Restrict table selection to id seletable

fixes #335

.ameba.yml

@@ -12,3 +12,4 @@ Layout/LineLength:
   MaxLength: 80
   Excluded:
     - src/routes/api.cr
+    - spec/plugin_spec.cr

.eslintrc.js

@@ -0,0 +1,11 @@
+module.exports = {
+  parser: '@babel/eslint-parser',
+  parserOptions: { requireConfigFile: false },
+  plugins: ['prettier'],
+  rules: {
+    eqeqeq: ['error', 'always'],
+    'object-shorthand': ['error', 'always'],
+    'prettier/prettier': 'error',
+    'no-var': 'error',
+  },
+};

.prettierrc

@@ -0,0 +1,6 @@
+{
+    "singleQuote": true,
+    "trailingComma": "all",
+    "printWidth": 80,
+    "tabWidth": 2
+}

Makefile

@@ -29,6 +29,7 @@ test:
 check:
 	crystal tool format --check
 	./bin/ameba
+	yarn lint
 
 arm32v7:
 	crystal build src/mango.cr --release --progress --error-trace --cross-compile --target='arm-linux-gnueabihf' -o mango-arm32v7

README.md

@@ -51,7 +51,7 @@ The official docker images are available on [Dockerhub](https://hub.docker.com/r
 ### CLI
 
 ```
-  Mango - Manga Server and Web Reader. Version 0.26.1
+  Mango - Manga Server and Web Reader. Version 0.27.0
 
   Usage:
 

gulpfile.js

@@ -5,13 +5,17 @@ const minifyCss = require('gulp-minify-css');
 const less = require('gulp-less');
 
 gulp.task('copy-img', () => {
-	return gulp.src('node_modules/uikit/src/images/backgrounds/*.svg')
-		.pipe(gulp.dest('public/img'));
+  return gulp
+    .src('node_modules/uikit/src/images/backgrounds/*.svg')
+    .pipe(gulp.dest('public/img'));
 });
 
 gulp.task('copy-font', () => {
-	return gulp.src('node_modules/@fortawesome/fontawesome-free/webfonts/fa-solid-900.woff**')
-		.pipe(gulp.dest('public/webfonts'));
+  return gulp
+    .src(
+      'node_modules/@fortawesome/fontawesome-free/webfonts/fa-solid-900.woff**',
+    )
+    .pipe(gulp.dest('public/webfonts'));
 });
 
 // Copy files from node_modules
@@ -19,49 +23,60 @@ gulp.task('node-modules-copy', gulp.parallel('copy-img', 'copy-font'));
 
 // Compile less
 gulp.task('less', () => {
-	return gulp.src([
-			'public/css/mango.less',
-			'public/css/tags.less'
-		])
-		.pipe(less())
-		.pipe(gulp.dest('public/css'));
+  return gulp
+    .src(['public/css/mango.less', 'public/css/tags.less'])
+    .pipe(less())
+    .pipe(gulp.dest('public/css'));
 });
 
 // Transpile and minify JS files and output to dist
 gulp.task('babel', () => {
-	return gulp.src(['public/js/*.js', '!public/js/*.min.js'])
-		.pipe(babel({
-			presets: [
-				['@babel/preset-env', {
-					targets: '>0.25%, not dead, ios>=9'
-				}]
-			],
-		}))
-		.pipe(minify({
-			removeConsole: true,
-			builtIns: false
-		}))
-		.pipe(gulp.dest('dist/js'));
+  return gulp
+    .src(['public/js/*.js', '!public/js/*.min.js'])
+    .pipe(
+      babel({
+        presets: [
+          [
+            '@babel/preset-env',
+            {
+              targets: '>0.25%, not dead, ios>=9',
+            },
+          ],
+        ],
+      }),
+    )
+    .pipe(
+      minify({
+        removeConsole: true,
+        builtIns: false,
+      }),
+    )
+    .pipe(gulp.dest('dist/js'));
 });
 
 // Minify CSS and output to dist
 gulp.task('minify-css', () => {
-	return gulp.src('public/css/*.css')
-		.pipe(minifyCss())
-		.pipe(gulp.dest('dist/css'));
+  return gulp
+    .src('public/css/*.css')
+    .pipe(minifyCss())
+    .pipe(gulp.dest('dist/css'));
 });
 
 // Copy static files (includeing images) to dist
 gulp.task('copy-files', () => {
-	return gulp.src([
-			'public/*.*',
-			'public/img/**',
-			'public/webfonts/*',
-			'public/js/*.min.js'
-		], {
-			base: 'public'
-		})
-		.pipe(gulp.dest('dist'));
+  return gulp
+    .src(
+      [
+        'public/*.*',
+        'public/img/**',
+        'public/webfonts/*',
+        'public/js/*.min.js',
+      ],
+      {
+        base: 'public',
+      },
+    )
+    .pipe(gulp.dest('dist'));
 });
 
 // Set up the public folder for development

package.json

@@ -6,20 +6,25 @@
 	"author": "Alex Ling <hkalexling@gmail.com>",
 	"license": "MIT",
 	"devDependencies": {
+		"@babel/eslint-parser": "^7.18.9",
 		"@babel/preset-env": "^7.11.5",
 		"all-contributors-cli": "^6.19.0",
+		"eslint": "^8.22.0",
+		"eslint-plugin-prettier": "^4.2.1",
 		"gulp": "^4.0.2",
 		"gulp-babel": "^8.0.0",
 		"gulp-babel-minify": "^0.5.1",
 		"gulp-less": "^4.0.1",
 		"gulp-minify-css": "^1.2.4",
-		"less": "^3.11.3"
+		"less": "^3.11.3",
+		"prettier": "^2.7.1"
 	},
 	"scripts": {
-		"uglify": "gulp"
+		"uglify": "gulp",
+		"lint": "eslint public/js *.js --ext .js"
 	},
 	"dependencies": {
 		"@fortawesome/fontawesome-free": "^5.14.0",
-		"uikit": "^3.5.4"
+		"uikit": "~3.14.0"
 	}
 }

public/js/admin.js

@@ -1,58 +1,56 @@
 const component = () => {
-	return {
-		progress: 1.0,
-		generating: false,
-		scanning: false,
-		scanTitles: 0,
-		scanMs: -1,
-		themeSetting: '',
+  return {
+    progress: 1.0,
+    generating: false,
+    scanning: false,
+    scanTitles: 0,
+    scanMs: -1,
+    themeSetting: '',
 
-		init() {
-			this.getProgress();
-			setInterval(() => {
-				this.getProgress();
-			}, 5000);
+    init() {
+      this.getProgress();
+      setInterval(() => {
+        this.getProgress();
+      }, 5000);
 
-			const setting = loadThemeSetting();
-			this.themeSetting = setting.charAt(0).toUpperCase() + setting.slice(1);
-		},
-		themeChanged(event) {
-			const newSetting = $(event.currentTarget).val().toLowerCase();
-			saveThemeSetting(newSetting);
-			setTheme();
-		},
-		scan() {
-			if (this.scanning) return;
-			this.scanning = true;
-			this.scanMs = -1;
-			this.scanTitles = 0;
-			$.post(`${base_url}api/admin/scan`)
-				.then(data => {
-					this.scanMs = data.milliseconds;
-					this.scanTitles = data.titles;
-				})
-				.catch(e => {
-					alert('danger', `Failed to trigger a scan. Error: ${e}`);
-				})
-				.always(() => {
-					this.scanning = false;
-				});
-		},
-		generateThumbnails() {
-			if (this.generating) return;
-			this.generating = true;
-			this.progress = 0.0;
-			$.post(`${base_url}api/admin/generate_thumbnails`)
-				.then(() => {
-					this.getProgress()
-				});
-		},
-		getProgress() {
-			$.get(`${base_url}api/admin/thumbnail_progress`)
-				.then(data => {
-					this.progress = data.progress;
-					this.generating = data.progress > 0;
-				});
-		},
-	};
+      const setting = loadThemeSetting();
+      this.themeSetting = setting.charAt(0).toUpperCase() + setting.slice(1);
+    },
+    themeChanged(event) {
+      const newSetting = $(event.currentTarget).val().toLowerCase();
+      saveThemeSetting(newSetting);
+      setTheme();
+    },
+    scan() {
+      if (this.scanning) return;
+      this.scanning = true;
+      this.scanMs = -1;
+      this.scanTitles = 0;
+      $.post(`${base_url}api/admin/scan`)
+        .then((data) => {
+          this.scanMs = data.milliseconds;
+          this.scanTitles = data.titles;
+        })
+        .catch((e) => {
+          alert('danger', `Failed to trigger a scan. Error: ${e}`);
+        })
+        .always(() => {
+          this.scanning = false;
+        });
+    },
+    generateThumbnails() {
+      if (this.generating) return;
+      this.generating = true;
+      this.progress = 0.0;
+      $.post(`${base_url}api/admin/generate_thumbnails`).then(() => {
+        this.getProgress();
+      });
+    },
+    getProgress() {
+      $.get(`${base_url}api/admin/thumbnail_progress`).then((data) => {
+        this.progress = data.progress;
+        this.generating = data.progress > 0;
+      });
+    },
+  };
 };

public/js/alert.js

@@ -1,6 +1,6 @@
 const alert = (level, text) => {
-	$('#alert').empty();
-	const html = `<div class="uk-alert-${level}" uk-alert><a class="uk-alert-close" uk-close></a><p>${text}</p></div>`;
-	$('#alert').append(html);
-	$("html, body").animate({ scrollTop: 0 });
+  $('#alert').empty();
+  const html = `<div class="uk-alert-${level}" uk-alert><a class="uk-alert-close" uk-close></a><p>${text}</p></div>`;
+  $('#alert').append(html);
+  $('html, body').animate({ scrollTop: 0 });
 };

public/js/common.js

@@ -11,7 +11,7 @@
  * @param {string} selector - The jQuery selector to the root element
  */
 const setProp = (key, prop, selector = '#root') => {
-	$(selector).get(0).__x.$data[key] = prop;
+  $(selector).get(0).__x.$data[key] = prop;
 };
 
 /**
@@ -23,7 +23,7 @@ const setProp = (key, prop, selector = '#root') => {
  * @return {*} The data property
  */
 const getProp = (key, selector = '#root') => {
-	return $(selector).get(0).__x.$data[key];
+  return $(selector).get(0).__x.$data[key];
 };
 
 /**
@@ -41,7 +41,10 @@ const getProp = (key, selector = '#root') => {
  * @return {bool}
  */
 const preferDarkMode = () => {
-	return window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches;
+  return (
+    window.matchMedia &&
+    window.matchMedia('(prefers-color-scheme: dark)').matches
+  );
 };
 
 /**
@@ -52,7 +55,7 @@ const preferDarkMode = () => {
  * @return {bool}
  */
 const validThemeSetting = (theme) => {
-	return ['dark', 'light', 'system'].indexOf(theme) >= 0;
+  return ['dark', 'light', 'system'].indexOf(theme) >= 0;
 };
 
 /**
@@ -62,9 +65,9 @@ const validThemeSetting = (theme) => {
  * @return {string} A theme setting ('dark', 'light', or 'system')
  */
 const loadThemeSetting = () => {
-	let str = localStorage.getItem('theme');
-	if (!str || !validThemeSetting(str)) str = 'system';
-	return str;
+  let str = localStorage.getItem('theme');
+  if (!str || !validThemeSetting(str)) str = 'system';
+  return str;
 };
 
 /**
@@ -74,11 +77,11 @@ const loadThemeSetting = () => {
  * @return {string} The current theme to use ('dark' or 'light')
  */
 const loadTheme = () => {
-	let setting = loadThemeSetting();
-	if (setting === 'system') {
-		setting = preferDarkMode() ? 'dark' : 'light';
-	}
-	return setting;
+  let setting = loadThemeSetting();
+  if (setting === 'system') {
+    setting = preferDarkMode() ? 'dark' : 'light';
+  }
+  return setting;
 };
 
 /**
@@ -87,9 +90,9 @@ const loadTheme = () => {
  * @function saveThemeSetting
  * @param {string} setting - A theme setting
  */
-const saveThemeSetting = setting => {
-	if (!validThemeSetting(setting)) setting = 'system';
-	localStorage.setItem('theme', setting);
+const saveThemeSetting = (setting) => {
+  if (!validThemeSetting(setting)) setting = 'system';
+  localStorage.setItem('theme', setting);
 };
 
 /**
@@ -99,10 +102,10 @@ const saveThemeSetting = setting => {
  * @function toggleTheme
  */
 const toggleTheme = () => {
-	const theme = loadTheme();
-	const newTheme = theme === 'dark' ? 'light' : 'dark';
-	saveThemeSetting(newTheme);
-	setTheme(newTheme);
+  const theme = loadTheme();
+  const newTheme = theme === 'dark' ? 'light' : 'dark';
+  saveThemeSetting(newTheme);
+  setTheme(newTheme);
 };
 
 /**
@@ -113,31 +116,32 @@ const toggleTheme = () => {
  * 		`loadTheme` to get a theme and apply it.
  */
 const setTheme = (theme) => {
-	if (!theme) theme = loadTheme();
-	if (theme === 'dark') {
-		$('html').css('background', 'rgb(20, 20, 20)');
-		$('body').addClass('uk-light');
-		$('.ui-widget-content').addClass('dark');
-	} else {
-		$('html').css('background', '');
-		$('body').removeClass('uk-light');
-		$('.ui-widget-content').removeClass('dark');
-	}
+  if (!theme) theme = loadTheme();
+  if (theme === 'dark') {
+    $('html').css('background', 'rgb(20, 20, 20)');
+    $('body').addClass('uk-light');
+    $('.ui-widget-content').addClass('dark');
+  } else {
+    $('html').css('background', '');
+    $('body').removeClass('uk-light');
+    $('.ui-widget-content').removeClass('dark');
+  }
 };
 
 // do it before document is ready to prevent the initial flash of white on
 // 	most pages
 setTheme();
 $(() => {
-	// hack for the reader page
-	setTheme();
+  // hack for the reader page
+  setTheme();
 
-	// on system dark mode setting change
-	if (window.matchMedia) {
-		window.matchMedia('(prefers-color-scheme: dark)')
-			.addEventListener('change', event => {
-				if (loadThemeSetting() === 'system')
-					setTheme(event.matches ? 'dark' : 'light');
-			});
-	}
+  // on system dark mode setting change
+  if (window.matchMedia) {
+    window
+      .matchMedia('(prefers-color-scheme: dark)')
+      .addEventListener('change', (event) => {
+        if (loadThemeSetting() === 'system')
+          setTheme(event.matches ? 'dark' : 'light');
+      });
+  }
 });

public/js/dots.js

@@ -5,22 +5,22 @@
  * @param {object} e - The title element to truncate
  */
 const truncate = (e) => {
-	$(e).dotdotdot({
-		truncate: 'letter',
-		watch: true,
-		callback: (truncated) => {
-			if (truncated) {
-				$(e).attr('uk-tooltip', $(e).attr('data-title'));
-			} else {
-				$(e).removeAttr('uk-tooltip');
-			}
-		}
-	});
+  $(e).dotdotdot({
+    truncate: 'letter',
+    watch: true,
+    callback: (truncated) => {
+      if (truncated) {
+        $(e).attr('uk-tooltip', $(e).attr('data-title'));
+      } else {
+        $(e).removeAttr('uk-tooltip');
+      }
+    },
+  });
 };
 
 $('.uk-card-title').each((i, e) => {
-	// Truncate the title when it first enters the view
-	$(e).one('inview', () => {
-		truncate(e);
-	});
+  // Truncate the title when it first enters the view
+  $(e).one('inview', () => {
+    truncate(e);
+  });
 });

public/js/download-manager.js

@@ -1,116 +1,135 @@
 const component = () => {
-	return {
-		jobs: [],
-		paused: undefined,
-		loading: false,
-		toggling: false,
-		ws: undefined,
+  return {
+    jobs: [],
+    paused: undefined,
+    loading: false,
+    toggling: false,
+    ws: undefined,
 
-		wsConnect(secure = true) {
-			const url = `${secure ? 'wss' : 'ws'}://${location.host}${base_url}api/admin/mangadex/queue`;
-			console.log(`Connecting to ${url}`);
-			this.ws = new WebSocket(url);
-			this.ws.onmessage = event => {
-				const data = JSON.parse(event.data);
-				this.jobs = data.jobs;
-				this.paused = data.paused;
-			};
-			this.ws.onclose = () => {
-				if (this.ws.failed)
-					return this.wsConnect(false);
-				alert('danger', 'Socket connection closed');
-			};
-			this.ws.onerror = () => {
-				if (secure)
-					return this.ws.failed = true;
-				alert('danger', 'Socket connection failed');
-			};
-		},
-		init() {
-			this.wsConnect();
-			this.load();
-		},
-		load() {
-			this.loading = true;
-			$.ajax({
-					type: 'GET',
-					url: base_url + 'api/admin/mangadex/queue',
-					dataType: 'json'
-				})
-				.done(data => {
-					if (!data.success && data.error) {
-						alert('danger', `Failed to fetch download queue. Error: ${data.error}`);
-						return;
-					}
-					this.jobs = data.jobs;
-					this.paused = data.paused;
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to fetch download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				})
-				.always(() => {
-					this.loading = false;
-				});
-		},
-		jobAction(action, event) {
-			let url = `${base_url}api/admin/mangadex/queue/${action}`;
-			if (event) {
-				const id = event.currentTarget.closest('tr').id.split('-').slice(1).join('-');
-				url = `${url}?${$.param({
-					id: id
-				})}`;
-			}
-			console.log(url);
-			$.ajax({
-					type: 'POST',
-					url: url,
-					dataType: 'json'
-				})
-				.done(data => {
-					if (!data.success && data.error) {
-						alert('danger', `Failed to ${action} job from download queue. Error: ${data.error}`);
-						return;
-					}
-					this.load();
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to ${action} job from download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				});
-		},
-		toggle() {
-			this.toggling = true;
-			const action = this.paused ? 'resume' : 'pause';
-			const url = `${base_url}api/admin/mangadex/queue/${action}`;
-			$.ajax({
-					type: 'POST',
-					url: url,
-					dataType: 'json'
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to ${action} download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				})
-				.always(() => {
-					this.load();
-					this.toggling = false;
-				});
-		},
-		statusClass(status) {
-			let cls = 'label ';
-			switch (status) {
-				case 'Pending':
-					cls += 'label-pending';
-					break;
-				case 'Completed':
-					cls += 'label-success';
-					break;
-				case 'Error':
-					cls += 'label-danger';
-					break;
-				case 'MissingPages':
-					cls += 'label-warning';
-					break;
-			}
-			return cls;
-		}
-	};
+    wsConnect(secure = true) {
+      const url = `${secure ? 'wss' : 'ws'}://${
+        location.host
+      }${base_url}api/admin/mangadex/queue`;
+      console.log(`Connecting to ${url}`);
+      this.ws = new WebSocket(url);
+      this.ws.onmessage = (event) => {
+        const data = JSON.parse(event.data);
+        this.jobs = data.jobs;
+        this.paused = data.paused;
+      };
+      this.ws.onclose = () => {
+        if (this.ws.failed) return this.wsConnect(false);
+        alert('danger', 'Socket connection closed');
+      };
+      this.ws.onerror = () => {
+        if (secure) return (this.ws.failed = true);
+        alert('danger', 'Socket connection failed');
+      };
+    },
+    init() {
+      this.wsConnect();
+      this.load();
+    },
+    load() {
+      this.loading = true;
+      $.ajax({
+        type: 'GET',
+        url: base_url + 'api/admin/mangadex/queue',
+        dataType: 'json',
+      })
+        .done((data) => {
+          if (!data.success && data.error) {
+            alert(
+              'danger',
+              `Failed to fetch download queue. Error: ${data.error}`,
+            );
+            return;
+          }
+          this.jobs = data.jobs;
+          this.paused = data.paused;
+        })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to fetch download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        })
+        .always(() => {
+          this.loading = false;
+        });
+    },
+    jobAction(action, event) {
+      let url = `${base_url}api/admin/mangadex/queue/${action}`;
+      if (event) {
+        const id = event.currentTarget
+          .closest('tr')
+          .id.split('-')
+          .slice(1)
+          .join('-');
+        url = `${url}?${$.param({
+          id,
+        })}`;
+      }
+      console.log(url);
+      $.ajax({
+        type: 'POST',
+        url,
+        dataType: 'json',
+      })
+        .done((data) => {
+          if (!data.success && data.error) {
+            alert(
+              'danger',
+              `Failed to ${action} job from download queue. Error: ${data.error}`,
+            );
+            return;
+          }
+          this.load();
+        })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to ${action} job from download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        });
+    },
+    toggle() {
+      this.toggling = true;
+      const action = this.paused ? 'resume' : 'pause';
+      const url = `${base_url}api/admin/mangadex/queue/${action}`;
+      $.ajax({
+        type: 'POST',
+        url,
+        dataType: 'json',
+      })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to ${action} download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        })
+        .always(() => {
+          this.load();
+          this.toggling = false;
+        });
+    },
+    statusClass(status) {
+      let cls = 'label ';
+      switch (status) {
+        case 'Pending':
+          cls += 'label-pending';
+          break;
+        case 'Completed':
+          cls += 'label-success';
+          break;
+        case 'Error':
+          cls += 'label-danger';
+          break;
+        case 'MissingPages':
+          cls += 'label-warning';
+          break;
+      }
+      return cls;
+    },
+  };
 };

public/js/missing-items.js

@@ -1,60 +1,74 @@
 const component = () => {
-	return {
-		empty: true,
-		titles: [],
-		entries: [],
-		loading: true,
+  return {
+    empty: true,
+    titles: [],
+    entries: [],
+    loading: true,
 
-		load() {
-			this.loading = true;
-			this.request('GET', `${base_url}api/admin/titles/missing`, data => {
-				this.titles = data.titles;
-				this.request('GET', `${base_url}api/admin/entries/missing`, data => {
-					this.entries = data.entries;
-					this.loading = false;
-					this.empty = this.entries.length === 0 && this.titles.length === 0;
-				});
-			});
-		},
-		rm(event) {
-			const rawID = event.currentTarget.closest('tr').id;
-			const [type, id] = rawID.split('-');
-			const url = `${base_url}api/admin/${type === 'title' ? 'titles' : 'entries'}/missing/${id}`;
-			this.request('DELETE', url, () => {
-				this.load();
-			});
-		},
-		rmAll() {
-			UIkit.modal.confirm('Are you sure? All metadata associated with these items, including their tags and thumbnails, will be deleted from the database.', {
-				labels: {
-					ok: 'Yes, delete them',
-					cancel: 'Cancel'
-				}
-			}).then(() => {
-				this.request('DELETE', `${base_url}api/admin/titles/missing`, () => {
-					this.request('DELETE', `${base_url}api/admin/entries/missing`, () => {
-						this.load();
-					});
-				});
-			});
-		},
-		request(method, url, cb) {
-			console.log(url);
-			$.ajax({
-					type: method,
-					url: url,
-					contentType: 'application/json'
-				})
-				.done(data => {
-					if (data.error) {
-						alert('danger', `Failed to ${method} ${url}. Error: ${data.error}`);
-						return;
-					}
-					if (cb) cb(data);
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to ${method} ${url}. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				});
-		}
-	};
+    load() {
+      this.loading = true;
+      this.request('GET', `${base_url}api/admin/titles/missing`, (data) => {
+        this.titles = data.titles;
+        this.request('GET', `${base_url}api/admin/entries/missing`, (data) => {
+          this.entries = data.entries;
+          this.loading = false;
+          this.empty = this.entries.length === 0 && this.titles.length === 0;
+        });
+      });
+    },
+    rm(event) {
+      const rawID = event.currentTarget.closest('tr').id;
+      const [type, id] = rawID.split('-');
+      const url = `${base_url}api/admin/${
+        type === 'title' ? 'titles' : 'entries'
+      }/missing/${id}`;
+      this.request('DELETE', url, () => {
+        this.load();
+      });
+    },
+    rmAll() {
+      UIkit.modal
+        .confirm(
+          'Are you sure? All metadata associated with these items, including their tags and thumbnails, will be deleted from the database.',
+          {
+            labels: {
+              ok: 'Yes, delete them',
+              cancel: 'Cancel',
+            },
+          },
+        )
+        .then(() => {
+          this.request('DELETE', `${base_url}api/admin/titles/missing`, () => {
+            this.request(
+              'DELETE',
+              `${base_url}api/admin/entries/missing`,
+              () => {
+                this.load();
+              },
+            );
+          });
+        });
+    },
+    request(method, url, cb) {
+      console.log(url);
+      $.ajax({
+        type: method,
+        url,
+        contentType: 'application/json',
+      })
+        .done((data) => {
+          if (data.error) {
+            alert('danger', `Failed to ${method} ${url}. Error: ${data.error}`);
+            return;
+          }
+          if (cb) cb(data);
+        })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to ${method} ${url}. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        });
+    },
+  };
 };

public/js/plugin-download.js

@@ -1,446 +1,435 @@
 const component = () => {
-	return {
-		plugins: [],
-		info: undefined,
-		pid: undefined,
-		chapters: undefined, // undefined: not searched yet, []: empty
-		manga: undefined, // undefined: not searched yet, []: empty
-		mid: undefined, // id of the selected manga
-		allChapters: [],
-		query: "",
-		mangaTitle: "",
-		searching: false,
-		adding: false,
-		sortOptions: [],
-		showFilters: false,
-		appliedFilters: [],
-		chaptersLimit: 500,
-		listManga: false,
-		subscribing: false,
-		subscriptionName: "",
+  return {
+    plugins: [],
+    subscribable: false,
+    info: undefined,
+    pid: undefined,
+    chapters: undefined, // undefined: not searched yet, []: empty
+    manga: undefined, // undefined: not searched yet, []: empty
+    mid: undefined, // id of the selected manga
+    allChapters: [],
+    query: '',
+    mangaTitle: '',
+    searching: false,
+    adding: false,
+    sortOptions: [],
+    showFilters: false,
+    appliedFilters: [],
+    chaptersLimit: 500,
+    listManga: false,
+    subscribing: false,
+    subscriptionName: '',
 
-		init() {
-			const tableObserver = new MutationObserver(() => {
-				console.log("table mutated");
-				$("#selectable").selectable({
-					filter: "tr",
-				});
-			});
-			tableObserver.observe($("table").get(0), {
-				childList: true,
-				subtree: true,
-			});
-			fetch(`${base_url}api/admin/plugin`)
-				.then((res) => res.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					this.plugins = data.plugins;
+    init() {
+      const tableObserver = new MutationObserver(() => {
+        console.log('table mutated');
+        $('#selectable').selectable({
+          filter: 'tr',
+        });
+      });
+      tableObserver.observe($('table').get(0), {
+        childList: true,
+        subtree: true,
+      });
+      fetch(`${base_url}api/admin/plugin`)
+        .then((res) => res.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          this.plugins = data.plugins;
 
-					const pid = localStorage.getItem("plugin");
-					if (pid && this.plugins.map((p) => p.id).includes(pid))
-						return this.loadPlugin(pid);
+          const pid = localStorage.getItem('plugin');
+          if (pid && this.plugins.map((p) => p.id).includes(pid))
+            return this.loadPlugin(pid);
 
-					if (this.plugins.length > 0)
-						this.loadPlugin(this.plugins[0].id);
-				})
-				.catch((e) => {
-					alert(
-						"danger",
-						`Failed to list the available plugins. Error: ${e}`
-					);
-				});
-		},
-		loadPlugin(pid) {
-			fetch(
-				`${base_url}api/admin/plugin/info?${new URLSearchParams({
-					plugin: pid,
-				})}`
-			)
-				.then((res) => res.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					this.info = data.info;
-					this.pid = pid;
-				})
-				.catch((e) => {
-					alert(
-						"danger",
-						`Failed to get plugin metadata. Error: ${e}`
-					);
-				});
-		},
-		pluginChanged() {
-			this.loadPlugin(this.pid);
-			localStorage.setItem("plugin", this.pid);
-		},
-		get chapterKeys() {
-			if (this.allChapters.length < 1) return [];
-			return Object.keys(this.allChapters[0]).filter(
-				(k) => !["manga_title"].includes(k)
-			);
-		},
-		searchChapters(query) {
-			this.searching = true;
-			this.allChapters = [];
-			this.sortOptions = [];
-			this.chapters = undefined;
-			this.listManga = false;
-			fetch(
-				`${base_url}api/admin/plugin/list?${new URLSearchParams({
-					plugin: this.pid,
-					query: query,
-				})}`
-			)
-				.then((res) => res.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					try {
-						this.mangaTitle = data.chapters[0].manga_title;
-						if (!this.mangaTitle) throw new Error();
-					} catch (e) {
-						this.mangaTitle = data.title;
-					}
+          if (this.plugins.length > 0) this.loadPlugin(this.plugins[0].id);
+        })
+        .catch((e) => {
+          alert('danger', `Failed to list the available plugins. Error: ${e}`);
+        });
+    },
+    loadPlugin(pid) {
+      fetch(
+        `${base_url}api/admin/plugin/info?${new URLSearchParams({
+          plugin: pid,
+        })}`,
+      )
+        .then((res) => res.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          this.info = data.info;
+          this.subscribable = data.subscribable;
+          this.pid = pid;
+        })
+        .catch((e) => {
+          alert('danger', `Failed to get plugin metadata. Error: ${e}`);
+        });
+    },
+    pluginChanged() {
+      this.manga = undefined;
+      this.chapters = undefined;
+      this.mid = undefined;
+      this.loadPlugin(this.pid);
+      localStorage.setItem('plugin', this.pid);
+    },
+    get chapterKeys() {
+      if (this.allChapters.length < 1) return [];
+      return Object.keys(this.allChapters[0]).filter(
+        (k) => !['manga_title'].includes(k),
+      );
+    },
+    searchChapters(query) {
+      this.searching = true;
+      this.allChapters = [];
+      this.sortOptions = [];
+      this.chapters = undefined;
+      this.listManga = false;
+      fetch(
+        `${base_url}api/admin/plugin/list?${new URLSearchParams({
+          plugin: this.pid,
+          query,
+        })}`,
+      )
+        .then((res) => res.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          try {
+            this.mangaTitle = data.chapters[0].manga_title;
+            if (!this.mangaTitle) throw new Error();
+          } catch (e) {
+            this.mangaTitle = data.title;
+          }
 
-					this.allChapters = data.chapters;
-					this.chapters = data.chapters;
-				})
-				.catch((e) => {
-					alert("danger", `Failed to list chapters. Error: ${e}`);
-				})
-				.finally(() => {
-					this.searching = false;
-				});
-		},
-		searchManga(query) {
-			this.searching = true;
-			this.allChapters = [];
-			this.chapters = undefined;
-			this.manga = undefined;
-			fetch(
-				`${base_url}api/admin/plugin/search?${new URLSearchParams({
-					plugin: this.pid,
-					query: query,
-				})}`
-			)
-				.then((res) => res.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					this.manga = data.manga;
-					this.listManga = true;
-				})
-				.catch((e) => {
-					alert("danger", `Search failed. Error: ${e}`);
-				})
-				.finally(() => {
-					this.searching = false;
-				});
-		},
-		search() {
-			const query = this.query.trim();
-			if (!query) return;
+          this.allChapters = data.chapters;
+          this.chapters = data.chapters;
+        })
+        .catch((e) => {
+          alert('danger', `Failed to list chapters. Error: ${e}`);
+        })
+        .finally(() => {
+          this.searching = false;
+        });
+    },
+    searchManga(query) {
+      this.searching = true;
+      this.allChapters = [];
+      this.chapters = undefined;
+      this.manga = undefined;
+      fetch(
+        `${base_url}api/admin/plugin/search?${new URLSearchParams({
+          plugin: this.pid,
+          query,
+        })}`,
+      )
+        .then((res) => res.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          this.manga = data.manga;
+          this.listManga = true;
+        })
+        .catch((e) => {
+          alert('danger', `Search failed. Error: ${e}`);
+        })
+        .finally(() => {
+          this.searching = false;
+        });
+    },
+    search() {
+      const query = this.query.trim();
+      if (!query) return;
 
-			this.manga = undefined;
-			if (this.info.version === 1) {
-				this.searchChapters(query);
-			} else {
-				this.searchManga(query);
-			}
-		},
-		selectAll() {
-			$("tbody > tr").each((i, e) => {
-				$(e).addClass("ui-selected");
-			});
-		},
-		clearSelection() {
-			$("tbody > tr").each((i, e) => {
-				$(e).removeClass("ui-selected");
-			});
-		},
-		download() {
-			const selected = $("tbody > tr.ui-selected").get();
-			if (selected.length === 0) return;
+      this.manga = undefined;
+      this.mid = undefined;
+      if (this.info.version === 1) {
+        this.searchChapters(query);
+      } else {
+        this.searchManga(query);
+      }
+    },
+    selectAll() {
+      $('tbody#selectable > tr').each((i, e) => {
+        $(e).addClass('ui-selected');
+      });
+    },
+    clearSelection() {
+      $('tbody#selectable > tr').each((i, e) => {
+        $(e).removeClass('ui-selected');
+      });
+    },
+    download() {
+      const selected = $('tbody#selectable > tr.ui-selected').get();
+      if (selected.length === 0) return;
 
-			UIkit.modal
-				.confirm(`Download ${selected.length} selected chapters?`)
-				.then(() => {
-					const ids = selected.map((e) => e.id);
-					const chapters = this.chapters.filter((c) =>
-						ids.includes(c.id)
-					);
-					console.log(chapters);
-					this.adding = true;
-					fetch(`${base_url}api/admin/plugin/download`, {
-						method: "POST",
-						body: JSON.stringify({
-							chapters,
-							plugin: this.pid,
-							title: this.mangaTitle,
-						}),
-						headers: {
-							"Content-Type": "application/json",
-						},
-					})
-						.then((res) => res.json())
-						.then((data) => {
-							if (!data.success) throw new Error(data.error);
-							const successCount = parseInt(data.success);
-							const failCount = parseInt(data.fail);
-							alert(
-								"success",
-								`${successCount} of ${
-									successCount + failCount
-								} chapters added to the download queue. You can view and manage your download queue on the <a href="${base_url}admin/downloads">download manager page</a>.`
-							);
-						})
-						.catch((e) => {
-							alert(
-								"danger",
-								`Failed to add chapters to the download queue. Error: ${e}`
-							);
-						})
-						.finally(() => {
-							this.adding = false;
-						});
-				});
-		},
-		thClicked(event) {
-			const idx = parseInt(event.currentTarget.id.split("-")[1]);
-			if (idx === undefined || isNaN(idx)) return;
-			const curOption = this.sortOptions[idx];
-			let option;
-			this.sortOptions = [];
-			switch (curOption) {
-				case 1:
-					option = -1;
-					break;
-				case -1:
-					option = 0;
-					break;
-				default:
-					option = 1;
-			}
-			this.sortOptions[idx] = option;
-			this.sort(this.chapterKeys[idx], option);
-		},
-		// Returns an array of filtered but unsorted chapters. Useful when
-		// 	reseting the sort options.
-		get filteredChapters() {
-			let ary = this.allChapters.slice();
+      UIkit.modal
+        .confirm(`Download ${selected.length} selected chapters?`)
+        .then(() => {
+          const ids = selected.map((e) => e.id);
+          const chapters = this.chapters.filter((c) => ids.includes(c.id));
+          console.log(chapters);
+          this.adding = true;
+          fetch(`${base_url}api/admin/plugin/download`, {
+            method: 'POST',
+            body: JSON.stringify({
+              chapters,
+              plugin: this.pid,
+              title: this.mangaTitle,
+            }),
+            headers: {
+              'Content-Type': 'application/json',
+            },
+          })
+            .then((res) => res.json())
+            .then((data) => {
+              if (!data.success) throw new Error(data.error);
+              const successCount = parseInt(data.success);
+              const failCount = parseInt(data.fail);
+              alert(
+                'success',
+                `${successCount} of ${
+                  successCount + failCount
+                } chapters added to the download queue. You can view and manage your download queue on the <a href="${base_url}admin/downloads">download manager page</a>.`,
+              );
+            })
+            .catch((e) => {
+              alert(
+                'danger',
+                `Failed to add chapters to the download queue. Error: ${e}`,
+              );
+            })
+            .finally(() => {
+              this.adding = false;
+            });
+        });
+    },
+    thClicked(event) {
+      const idx = parseInt(event.currentTarget.id.split('-')[1]);
+      if (idx === undefined || isNaN(idx)) return;
+      const curOption = this.sortOptions[idx];
+      let option;
+      this.sortOptions = [];
+      switch (curOption) {
+        case 1:
+          option = -1;
+          break;
+        case -1:
+          option = 0;
+          break;
+        default:
+          option = 1;
+      }
+      this.sortOptions[idx] = option;
+      this.sort(this.chapterKeys[idx], option);
+    },
+    // Returns an array of filtered but unsorted chapters. Useful when
+    // 	reseting the sort options.
+    get filteredChapters() {
+      let ary = this.allChapters.slice();
 
-			console.log("initial size:", ary.length);
-			for (let filter of this.appliedFilters) {
-				if (!filter.value) continue;
-				if (filter.type === "array" && filter.value === "all") continue;
-				if (filter.type.startsWith("number") && isNaN(filter.value))
-					continue;
+      console.log('initial size:', ary.length);
+      for (let filter of this.appliedFilters) {
+        if (!filter.value) continue;
+        if (filter.type === 'array' && filter.value === 'all') continue;
+        if (filter.type.startsWith('number') && isNaN(filter.value)) continue;
 
-				if (filter.type === "string") {
-					ary = ary.filter((ch) =>
-						ch[filter.key]
-							.toLowerCase()
-							.includes(filter.value.toLowerCase())
-					);
-				}
-				if (filter.type === "number-min") {
-					ary = ary.filter(
-						(ch) => Number(ch[filter.key]) >= Number(filter.value)
-					);
-				}
-				if (filter.type === "number-max") {
-					ary = ary.filter(
-						(ch) => Number(ch[filter.key]) <= Number(filter.value)
-					);
-				}
-				if (filter.type === "date-min") {
-					ary = ary.filter(
-						(ch) => Number(ch[filter.key]) >= Number(filter.value)
-					);
-				}
-				if (filter.type === "date-max") {
-					ary = ary.filter(
-						(ch) => Number(ch[filter.key]) <= Number(filter.value)
-					);
-				}
-				if (filter.type === "array") {
-					ary = ary.filter((ch) =>
-						ch[filter.key]
-							.map((s) =>
-								typeof s === "string" ? s.toLowerCase() : s
-							)
-							.includes(filter.value.toLowerCase())
-					);
-				}
+        if (filter.type === 'string') {
+          ary = ary.filter((ch) =>
+            ch[filter.key].toLowerCase().includes(filter.value.toLowerCase()),
+          );
+        }
+        if (filter.type === 'number-min') {
+          ary = ary.filter(
+            (ch) => Number(ch[filter.key]) >= Number(filter.value),
+          );
+        }
+        if (filter.type === 'number-max') {
+          ary = ary.filter(
+            (ch) => Number(ch[filter.key]) <= Number(filter.value),
+          );
+        }
+        if (filter.type === 'date-min') {
+          ary = ary.filter(
+            (ch) => Number(ch[filter.key]) >= Number(filter.value),
+          );
+        }
+        if (filter.type === 'date-max') {
+          ary = ary.filter(
+            (ch) => Number(ch[filter.key]) <= Number(filter.value),
+          );
+        }
+        if (filter.type === 'array') {
+          ary = ary.filter((ch) =>
+            ch[filter.key]
+              .map((s) => (typeof s === 'string' ? s.toLowerCase() : s))
+              .includes(filter.value.toLowerCase()),
+          );
+        }
 
-				console.log("filtered size:", ary.length);
-			}
+        console.log('filtered size:', ary.length);
+      }
 
-			return ary;
-		},
-		// option:
-		// 	- 1: asending
-		// 	- -1: desending
-		// 	- 0: unsorted
-		sort(key, option) {
-			if (option === 0) {
-				this.chapters = this.filteredChapters;
-				return;
-			}
+      return ary;
+    },
+    // option:
+    // 	- 1: asending
+    // 	- -1: desending
+    // 	- 0: unsorted
+    sort(key, option) {
+      if (option === 0) {
+        this.chapters = this.filteredChapters;
+        return;
+      }
 
-			this.chapters = this.filteredChapters.sort((a, b) => {
-				const comp = this.compare(a[key], b[key]);
-				return option < 0 ? comp * -1 : comp;
-			});
-		},
-		compare(a, b) {
-			if (a === b) return 0;
+      this.chapters = this.filteredChapters.sort((a, b) => {
+        const comp = this.compare(a[key], b[key]);
+        return option < 0 ? comp * -1 : comp;
+      });
+    },
+    compare(a, b) {
+      if (a === b) return 0;
 
-			// try numbers (also covers dates)
-			if (!isNaN(a) && !isNaN(b)) return Number(a) - Number(b);
+      // try numbers (also covers dates)
+      if (!isNaN(a) && !isNaN(b)) return Number(a) - Number(b);
 
-			const preprocessString = (val) => {
-				if (typeof val !== "string") return val;
-				return val.toLowerCase().replace(/\s\s/g, " ").trim();
-			};
+      const preprocessString = (val) => {
+        if (typeof val !== 'string') return val;
+        return val.toLowerCase().replace(/\s\s/g, ' ').trim();
+      };
 
-			return preprocessString(a) > preprocessString(b) ? 1 : -1;
-		},
-		fieldType(values) {
-			if (values.every((v) => this.numIsDate(v))) return "date";
-			if (values.every((v) => !isNaN(v))) return "number";
-			if (values.every((v) => Array.isArray(v))) return "array";
-			return "string";
-		},
-		get filters() {
-			if (this.allChapters.length < 1) return [];
-			const keys = Object.keys(this.allChapters[0]).filter(
-				(k) => !["manga_title", "id"].includes(k)
-			);
-			return keys.map((k) => {
-				let values = this.allChapters.map((c) => c[k]);
-				const type = this.fieldType(values);
+      return preprocessString(a) > preprocessString(b) ? 1 : -1;
+    },
+    fieldType(values) {
+      if (values.every((v) => this.numIsDate(v))) return 'date';
+      if (values.every((v) => !isNaN(v))) return 'number';
+      if (values.every((v) => Array.isArray(v))) return 'array';
+      return 'string';
+    },
+    get filters() {
+      if (this.allChapters.length < 1) return [];
+      const keys = Object.keys(this.allChapters[0]).filter(
+        (k) => !['manga_title', 'id'].includes(k),
+      );
+      return keys.map((k) => {
+        let values = this.allChapters.map((c) => c[k]);
+        const type = this.fieldType(values);
 
-				if (type === "array") {
-					// if the type is an array, return the list of available elements
-					// example: an array of groups or authors
-					values = Array.from(
-						new Set(
-							values.flat().map((v) => {
-								if (typeof v === "string")
-									return v.toLowerCase();
-							})
-						)
-					);
-				}
+        if (type === 'array') {
+          // if the type is an array, return the list of available elements
+          // example: an array of groups or authors
+          values = Array.from(
+            new Set(
+              values.flat().map((v) => {
+                if (typeof v === 'string') return v.toLowerCase();
+              }),
+            ),
+          );
+        }
 
-				return {
-					key: k,
-					type: type,
-					values: values,
-				};
-			});
-		},
-		get filterSettings() {
-			return $("#filter-form input:visible, #filter-form select:visible")
-				.get()
-				.map((i) => {
-					const type = i.getAttribute("data-filter-type");
-					let value = i.value.trim();
-					if (type.startsWith("date"))
-						value = value ? Date.parse(value).toString() : "";
-					return {
-						key: i.getAttribute("data-filter-key"),
-						value: value,
-						type: type,
-					};
-				});
-		},
-		applyFilters() {
-			this.appliedFilters = this.filterSettings;
-			this.chapters = this.filteredChapters;
-			this.sortOptions = [];
-		},
-		clearFilters() {
-			$("#filter-form input")
-				.get()
-				.forEach((i) => (i.value = ""));
-			$("#filter-form select").val("all");
-			this.appliedFilters = [];
-			this.chapters = this.filteredChapters;
-			this.sortOptions = [];
-		},
-		mangaSelected(event) {
-			const mid = event.currentTarget.getAttribute("data-id");
-			this.mid = mid;
-			this.searchChapters(mid);
-		},
-		subscribe(modal) {
-			this.subscribing = true;
-			fetch(`${base_url}api/admin/plugin/subscriptions`, {
-				method: "POST",
-				body: JSON.stringify({
-					filters: this.filterSettings,
-					plugin: this.pid,
-					name: this.subscriptionName.trim(),
-					manga: this.mangaTitle,
-					manga_id: this.mid,
-				}),
-				headers: {
-					"Content-Type": "application/json",
-				},
-			})
-				.then((res) => res.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					alert("success", "Subscription created");
-				})
-				.catch((e) => {
-					alert("danger", `Failed to subscribe. Error: ${e}`);
-				})
-				.finally(() => {
-					this.subscribing = false;
-					UIkit.modal(modal).hide();
-				});
-		},
-		numIsDate(num) {
-			return !isNaN(num) && Number(num) > 328896000000; // 328896000000 => 1 Jan, 1980
-		},
-		renderCell(value) {
-			if (this.numIsDate(value))
-				return `<span>${moment(Number(value)).format(
-					"MMM D, YYYY"
-				)}</span>`;
-			const maxLength = 40;
-			if (value && value.length > maxLength)
-				return `<span>${value.substr(
-					0,
-					maxLength
-				)}...</span><div uk-dropdown>${value}</div>`;
-			return `<span>${value}</span>`;
-		},
-		renderFilterRow(ft) {
-			const key = ft.key;
-			let type = ft.type;
-			switch (type) {
-				case "number-min":
-					type = "number (minimum value)";
-					break;
-				case "number-max":
-					type = "number (maximum value)";
-					break;
-				case "date-min":
-					type = "minimum date";
-					break;
-				case "date-max":
-					type = "maximum date";
-					break;
-			}
-			let value = ft.value;
+        return {
+          key: k,
+          type,
+          values,
+        };
+      });
+    },
+    get filterSettings() {
+      return $('#filter-form input:visible, #filter-form select:visible')
+        .get()
+        .map((i) => {
+          const type = i.getAttribute('data-filter-type');
+          let value = i.value.trim();
+          if (type.startsWith('date'))
+            value = value ? Date.parse(value).toString() : '';
+          return {
+            key: i.getAttribute('data-filter-key'),
+            value,
+            type,
+          };
+        });
+    },
+    applyFilters() {
+      this.appliedFilters = this.filterSettings;
+      this.chapters = this.filteredChapters;
+      this.sortOptions = [];
+    },
+    clearFilters() {
+      $('#filter-form input')
+        .get()
+        .forEach((i) => (i.value = ''));
+      $('#filter-form select').val('all');
+      this.appliedFilters = [];
+      this.chapters = this.filteredChapters;
+      this.sortOptions = [];
+    },
+    mangaSelected(event) {
+      const mid = event.currentTarget.getAttribute('data-id');
+      this.mid = mid;
+      this.searchChapters(mid);
+    },
+    subscribe(modal) {
+      this.subscribing = true;
+      fetch(`${base_url}api/admin/plugin/subscriptions`, {
+        method: 'POST',
+        body: JSON.stringify({
+          filters: this.filterSettings,
+          plugin: this.pid,
+          name: this.subscriptionName.trim(),
+          manga: this.mangaTitle,
+          manga_id: this.mid,
+        }),
+        headers: {
+          'Content-Type': 'application/json',
+        },
+      })
+        .then((res) => res.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          alert('success', 'Subscription created');
+        })
+        .catch((e) => {
+          alert('danger', `Failed to subscribe. Error: ${e}`);
+        })
+        .finally(() => {
+          this.subscribing = false;
+          UIkit.modal(modal).hide();
+        });
+    },
+    numIsDate(num) {
+      return !isNaN(num) && Number(num) > 328896000000; // 328896000000 => 1 Jan, 1980
+    },
+    renderCell(value) {
+      if (this.numIsDate(value))
+        return `<span>${moment(Number(value)).format('MMM D, YYYY')}</span>`;
+      const maxLength = 40;
+      if (value && value.length > maxLength)
+        return `<span>${value.substr(
+          0,
+          maxLength,
+        )}...</span><div uk-dropdown>${value}</div>`;
+      return `<span>${value}</span>`;
+    },
+    renderFilterRow(ft) {
+      const key = ft.key;
+      let type = ft.type;
+      switch (type) {
+        case 'number-min':
+          type = 'number (minimum value)';
+          break;
+        case 'number-max':
+          type = 'number (maximum value)';
+          break;
+        case 'date-min':
+          type = 'minimum date';
+          break;
+        case 'date-max':
+          type = 'maximum date';
+          break;
+      }
+      let value = ft.value;
 
-			if (ft.type.startsWith("number") && isNaN(value)) value = "";
-			else if (ft.type.startsWith("date") && value)
-				value = moment(Number(value)).format("MMM D, YYYY");
+      if (ft.type.startsWith('number') && isNaN(value)) value = '';
+      else if (ft.type.startsWith('date') && value)
+        value = moment(Number(value)).format('MMM D, YYYY');
 
-			return `<td>${key}</td><td>${type}</td><td>${value}</td>`;
-		},
-	};
+      return `<td>${key}</td><td>${type}</td><td>${value}</td>`;
+    },
+  };
 };

public/js/reader.js

@@ -1,336 +1,370 @@
 const readerComponent = () => {
-	return {
-		loading: true,
-		mode: 'continuous', // Can be 'continuous', 'height' or 'width'
-		msg: 'Loading the web reader. Please wait...',
-		alertClass: 'uk-alert-primary',
-		items: [],
-		curItem: {},
-		enableFlipAnimation: true,
-		flipAnimation: null,
-		longPages: false,
-		lastSavedPage: page,
-		selectedIndex: 0, // 0: not selected; 1: the first page
-		margin: 30,
-		preloadLookahead: 3,
-		enableRightToLeft: false,
+  return {
+    loading: true,
+    mode: 'continuous', // Can be 'continuous', 'height' or 'width'
+    msg: 'Loading the web reader. Please wait...',
+    alertClass: 'uk-alert-primary',
+    items: [],
+    curItem: {},
+    enableFlipAnimation: true,
+    flipAnimation: null,
+    longPages: false,
+    lastSavedPage: page,
+    selectedIndex: 0, // 0: not selected; 1: the first page
+    margin: 30,
+    preloadLookahead: 3,
+    enableRightToLeft: false,
+    fitType: 'vert',
 
-		/**
-		 * Initialize the component by fetching the page dimensions
-		 */
-		init(nextTick) {
-			$.get(`${base_url}api/dimensions/${tid}/${eid}`)
-				.then(data => {
-					if (!data.success && data.error)
-						throw new Error(resp.error);
-					const dimensions = data.dimensions;
+    /**
+     * Initialize the component by fetching the page dimensions
+     */
+    init(nextTick) {
+      $.get(`${base_url}api/dimensions/${tid}/${eid}`)
+        .then((data) => {
+          if (!data.success && data.error) throw new Error(resp.error);
+          const dimensions = data.dimensions;
 
-					this.items = dimensions.map((d, i) => {
-						return {
-							id: i + 1,
-							url: `${base_url}api/page/${tid}/${eid}/${i+1}`,
-							width: d.width,
-							height: d.height,
-						};
-					});
+          this.items = dimensions.map((d, i) => {
+            return {
+              id: i + 1,
+              url: `${base_url}api/page/${tid}/${eid}/${i + 1}`,
+              width: d.width === 0 ? '100%' : d.width,
+              height: d.height === 0 ? '100%' : d.height,
+            };
+          });
 
-					const avgRatio = this.items.reduce((acc, cur) => {
-						return acc + cur.height / cur.width
-					}, 0) / this.items.length;
+          // Note: for image types not supported by image_size.cr, the width and height will be 0, and so `avgRatio` will be `Infinity`.
+          // TODO: support more image types in image_size.cr
+          const avgRatio =
+            dimensions.reduce((acc, cur) => {
+              return acc + cur.height / cur.width;
+            }, 0) / dimensions.length;
 
-					console.log(avgRatio);
-					this.longPages = avgRatio > 2;
-					this.loading = false;
-					this.mode = localStorage.getItem('mode') || 'continuous';
+          console.log(avgRatio);
+          this.longPages = avgRatio > 2;
+          this.loading = false;
+          this.mode = localStorage.getItem('mode') || 'continuous';
 
-					// Here we save a copy of this.mode, and use the copy as
-					// 	the model-select value. This is because `updateMode`
-					// 	might change this.mode and make it `height` or `width`,
-					// 	which are not available in mode-select
-					const mode = this.mode;
-					this.updateMode(this.mode, page, nextTick);
-					$('#mode-select').val(mode);
+          // Here we save a copy of this.mode, and use the copy as
+          // 	the model-select value. This is because `updateMode`
+          // 	might change this.mode and make it `height` or `width`,
+          // 	which are not available in mode-select
+          const mode = this.mode;
+          this.updateMode(this.mode, page, nextTick);
+          $('#mode-select').val(mode);
 
-					const savedMargin = localStorage.getItem('margin');
-					if (savedMargin) {
-						this.margin = savedMargin;
-					}
+          const savedMargin = localStorage.getItem('margin');
+          if (savedMargin) {
+            this.margin = savedMargin;
+          }
 
-					// Preload Images
-					this.preloadLookahead = +(localStorage.getItem('preloadLookahead') ?? 3);
-					const limit = Math.min(page + this.preloadLookahead, this.items.length + 1);
-					for (let idx = page + 1; idx <= limit; idx++) {
-						this.preloadImage(this.items[idx - 1].url);
-					}
+          // Preload Images
+          this.preloadLookahead = +(
+            localStorage.getItem('preloadLookahead') ?? 3
+          );
+          const limit = Math.min(
+            page + this.preloadLookahead,
+            this.items.length,
+          );
+          for (let idx = page + 1; idx <= limit; idx++) {
+            this.preloadImage(this.items[idx - 1].url);
+          }
 
-					const savedFlipAnimation = localStorage.getItem('enableFlipAnimation');
-					this.enableFlipAnimation = savedFlipAnimation === null || savedFlipAnimation === 'true';
+          const savedFitType = localStorage.getItem('fitType');
+          if (savedFitType) {
+            this.fitType = savedFitType;
+            $('#fit-select').val(savedFitType);
+          }
+          const savedFlipAnimation = localStorage.getItem(
+            'enableFlipAnimation',
+          );
+          this.enableFlipAnimation =
+            savedFlipAnimation === null || savedFlipAnimation === 'true';
 
-					const savedRightToLeft = localStorage.getItem('enableRightToLeft');
-					if (savedRightToLeft === null) {
-						this.enableRightToLeft = false;
-					} else {
-						this.enableRightToLeft = (savedRightToLeft === 'true');
-					}
-				})
-				.catch(e => {
-					const errMsg = `Failed to get the page dimensions. ${e}`;
-					console.error(e);
-					this.alertClass = 'uk-alert-danger';
-					this.msg = errMsg;
-				})
-		},
-		/**
-		 * Preload an image, which is expected to be cached
-		 */
-		preloadImage(url) {
-			(new Image()).src = url;
-		},
-		/**
-		 * Handles the `change` event for the page selector
-		 */
-		pageChanged() {
-			const p = parseInt($('#page-select').val());
-			this.toPage(p);
-		},
-		/**
-		 * Handles the `change` event for the mode selector
-		 *
-		 * @param {function} nextTick - Alpine $nextTick magic property
-		 */
-		modeChanged(nextTick) {
-			const mode = $('#mode-select').val();
-			const curIdx = parseInt($('#page-select').val());
+          const savedRightToLeft = localStorage.getItem('enableRightToLeft');
+          if (savedRightToLeft === null) {
+            this.enableRightToLeft = false;
+          } else {
+            this.enableRightToLeft = savedRightToLeft === 'true';
+          }
+        })
+        .catch((e) => {
+          const errMsg = `Failed to get the page dimensions. ${e}`;
+          console.error(e);
+          this.alertClass = 'uk-alert-danger';
+          this.msg = errMsg;
+        });
+    },
+    /**
+     * Preload an image, which is expected to be cached
+     */
+    preloadImage(url) {
+      new Image().src = url;
+    },
+    /**
+     * Handles the `change` event for the page selector
+     */
+    pageChanged() {
+      const p = parseInt($('#page-select').val());
+      this.toPage(p);
+    },
+    /**
+     * Handles the `change` event for the mode selector
+     *
+     * @param {function} nextTick - Alpine $nextTick magic property
+     */
+    modeChanged(nextTick) {
+      const mode = $('#mode-select').val();
+      const curIdx = parseInt($('#page-select').val());
 
-			this.updateMode(mode, curIdx, nextTick);
-		},
-		/**
-		 * Handles the window `resize` event
-		 */
-		resized() {
-			if (this.mode === 'continuous') return;
+      this.updateMode(mode, curIdx, nextTick);
+    },
+    /**
+     * Handles the window `resize` event
+     */
+    resized() {
+      if (this.mode === 'continuous') return;
 
-			const wideScreen = $(window).width() > $(window).height();
-			this.mode = wideScreen ? 'height' : 'width';
-		},
-		/**
-		 * Handles the window `keydown` event
-		 *
-		 * @param {Event} event - The triggering event
-		 */
-		keyHandler(event) {
-			if (this.mode === 'continuous') return;
+      const wideScreen = $(window).width() > $(window).height();
+      this.mode = wideScreen ? 'height' : 'width';
+    },
+    /**
+     * Handles the window `keydown` event
+     *
+     * @param {Event} event - The triggering event
+     */
+    keyHandler(event) {
+      if (this.mode === 'continuous') return;
 
-			if (event.key === 'ArrowLeft' || event.key === 'k')
-				this.flipPage(false ^ this.enableRightToLeft);
-			if (event.key === 'ArrowRight' || event.key === 'j')
-				this.flipPage(true ^ this.enableRightToLeft);
-		},
-		/**
-		 * Flips to the next or the previous page
-		 *
-		 * @param {bool} isNext - Whether we are going to the next page 
-		 */
-		flipPage(isNext) {
-			const idx = parseInt(this.curItem.id);
-			const newIdx = idx + (isNext ? 1 : -1);
+      if (event.key === 'ArrowLeft' || event.key === 'k')
+        this.flipPage(false ^ this.enableRightToLeft);
+      if (event.key === 'ArrowRight' || event.key === 'j')
+        this.flipPage(true ^ this.enableRightToLeft);
+    },
+    /**
+     * Flips to the next or the previous page
+     *
+     * @param {bool} isNext - Whether we are going to the next page
+     */
+    flipPage(isNext) {
+      const idx = parseInt(this.curItem.id);
+      const newIdx = idx + (isNext ? 1 : -1);
 
-			if (newIdx <= 0 || newIdx > this.items.length) return;
+      if (newIdx <= 0) return;
+      if (newIdx > this.items.length) {
+        this.showControl(idx);
+        return;
+      }
 
-			if (newIdx + this.preloadLookahead < this.items.length + 1) {
-				this.preloadImage(this.items[newIdx + this.preloadLookahead - 1].url);
-			}
+      if (newIdx + this.preloadLookahead < this.items.length + 1) {
+        this.preloadImage(this.items[newIdx + this.preloadLookahead - 1].url);
+      }
 
-			this.toPage(newIdx);
+      this.toPage(newIdx);
 
-			if (this.enableFlipAnimation) {
-				if (isNext ^ this.enableRightToLeft)
-					this.flipAnimation = 'right';
-				else
-					this.flipAnimation = 'left';
-			}
+      if (this.enableFlipAnimation) {
+        if (isNext ^ this.enableRightToLeft) this.flipAnimation = 'right';
+        else this.flipAnimation = 'left';
+      }
 
-			setTimeout(() => {
-				this.flipAnimation = null;
-			}, 500);
+      setTimeout(() => {
+        this.flipAnimation = null;
+      }, 500);
 
-			this.replaceHistory(newIdx);
-		},
-		/**
-		 * Jumps to a specific page
-		 *
-		 * @param {number} idx - One-based index of the page
-		 */
-		toPage(idx) {
-			if (this.mode === 'continuous') {
-				$(`#${idx}`).get(0).scrollIntoView(true);
-			} else {
-				if (idx >= 1 && idx <= this.items.length) {
-					this.curItem = this.items[idx - 1];
-				}
-			}
-			this.replaceHistory(idx);
-			UIkit.modal($('#modal-sections')).hide();
-		},
-		/**
-		 * Replace the address bar history and save the reading progress if necessary 
-		 *
-		 * @param {number} idx - One-based index of the page
-		 */
-		replaceHistory(idx) {
-			const ary = window.location.pathname.split('/');
-			ary[ary.length - 1] = idx;
-			ary.shift(); // remove leading `/`
-			ary.unshift(window.location.origin);
-			const url = ary.join('/');
-			this.saveProgress(idx);
-			history.replaceState(null, "", url);
-		},
-		/**
-		 * Updates the backend reading progress if:
-		 * 		1) the current page is more than five pages away from the last 
-		 * 			saved page, or
-		 * 		2) the average height/width ratio of the pages is over 2, or
-		 * 		3) the current page is the first page, or
-		 * 		4) the current page is the last page
-		 *
-		 * @param {number} idx - One-based index of the page
-		 * @param {function} cb - Callback
-		 */
-		saveProgress(idx, cb) {
-			idx = parseInt(idx);
-			if (Math.abs(idx - this.lastSavedPage) >= 5 ||
-				this.longPages ||
-				idx === 1 || idx === this.items.length
-			) {
-				this.lastSavedPage = idx;
-				console.log('saving progress', idx);
+      this.replaceHistory(newIdx);
+    },
+    /**
+     * Jumps to a specific page
+     *
+     * @param {number} idx - One-based index of the page
+     */
+    toPage(idx) {
+      if (this.mode === 'continuous') {
+        $(`#${idx}`).get(0).scrollIntoView(true);
+      } else {
+        if (idx >= 1 && idx <= this.items.length) {
+          this.curItem = this.items[idx - 1];
+        }
+      }
+      this.replaceHistory(idx);
+      UIkit.modal($('#modal-sections')).hide();
+    },
+    /**
+     * Replace the address bar history and save the reading progress if necessary
+     *
+     * @param {number} idx - One-based index of the page
+     */
+    replaceHistory(idx) {
+      const ary = window.location.pathname.split('/');
+      ary[ary.length - 1] = idx;
+      ary.shift(); // remove leading `/`
+      ary.unshift(window.location.origin);
+      const url = ary.join('/');
+      this.saveProgress(idx);
+      history.replaceState(null, '', url);
+    },
+    /**
+     * Updates the backend reading progress if:
+     * 		1) the current page is more than five pages away from the last
+     * 			saved page, or
+     * 		2) the average height/width ratio of the pages is over 2, or
+     * 		3) the current page is the first page, or
+     * 		4) the current page is the last page
+     *
+     * @param {number} idx - One-based index of the page
+     * @param {function} cb - Callback
+     */
+    saveProgress(idx, cb) {
+      idx = parseInt(idx);
+      if (
+        Math.abs(idx - this.lastSavedPage) >= 5 ||
+        this.longPages ||
+        idx === 1 ||
+        idx === this.items.length
+      ) {
+        this.lastSavedPage = idx;
+        console.log('saving progress', idx);
 
-				const url = `${base_url}api/progress/${tid}/${idx}?${$.param({eid: eid})}`;
-				$.ajax({
-						method: 'PUT',
-						url: url,
-						dataType: 'json'
-					})
-					.done(data => {
-						if (data.error)
-							alert('danger', data.error);
-						if (cb) cb();
-					})
-					.fail((jqXHR, status) => {
-						alert('danger', `Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-					});
-			}
-		},
-		/**
-		 * Updates the reader mode
-		 *
-		 * @param {string} mode - Either `continuous` or `paged`
-		 * @param {number} targetPage - The one-based index of the target page
-		 * @param {function} nextTick - Alpine $nextTick magic property
-		 */
-		updateMode(mode, targetPage, nextTick) {
-			localStorage.setItem('mode', mode);
+        const url = `${base_url}api/progress/${tid}/${idx}?${$.param({
+          eid,
+        })}`;
+        $.ajax({
+          method: 'PUT',
+          url,
+          dataType: 'json',
+        })
+          .done((data) => {
+            if (data.error) alert('danger', data.error);
+            if (cb) cb();
+          })
+          .fail((jqXHR, status) => {
+            alert('danger', `Error: [${jqXHR.status}] ${jqXHR.statusText}`);
+          });
+      }
+    },
+    /**
+     * Updates the reader mode
+     *
+     * @param {string} mode - Either `continuous` or `paged`
+     * @param {number} targetPage - The one-based index of the target page
+     * @param {function} nextTick - Alpine $nextTick magic property
+     */
+    updateMode(mode, targetPage, nextTick) {
+      localStorage.setItem('mode', mode);
 
-			// The mode to be put into the `mode` prop. It can't be `screen`
-			let propMode = mode;
+      // The mode to be put into the `mode` prop. It can't be `screen`
+      let propMode = mode;
 
-			if (mode === 'paged') {
-				const wideScreen = $(window).width() > $(window).height();
-				propMode = wideScreen ? 'height' : 'width';
-			}
+      if (mode === 'paged') {
+        const wideScreen = $(window).width() > $(window).height();
+        propMode = wideScreen ? 'height' : 'width';
+      }
 
-			this.mode = propMode;
+      this.mode = propMode;
 
-			if (mode === 'continuous') {
-				nextTick(() => {
-					this.setupScroller();
-				});
-			}
+      if (mode === 'continuous') {
+        nextTick(() => {
+          this.setupScroller();
+        });
+      }
 
-			nextTick(() => {
-				this.toPage(targetPage);
-			});
-		},
-		/**
-		 * Shows the control modal
-		 *
-		 * @param {Event} event - The triggering event
-		 */
-		showControl(event) {
-			const idx = event.currentTarget.id;
-			this.selectedIndex = idx;
-			UIkit.modal($('#modal-sections')).show();
-		},
-		/**
-		 * Redirects to a URL
-		 *
-		 * @param {string} url - The target URL
-		 */
-		redirect(url) {
-			window.location.replace(url);
-		},
-		/**
-		 * Set up the scroll handler that calls `replaceHistory` when an image 
-		 * 	enters the view port
-		 */
-		setupScroller() {
-			if (this.mode !== 'continuous') return;
-			$('img').each((idx, el) => {
-				$(el).on('inview', (event, inView) => {
-					if (inView) {
-						const current = $(event.currentTarget).attr('id');
+      nextTick(() => {
+        this.toPage(targetPage);
+      });
+    },
+    /**
+     * Handles clicked image
+     *
+     * @param {Event} event - The triggering event
+     */
+    clickImage(event) {
+      const idx = event.currentTarget.id;
+      this.showControl(idx);
+    },
+    /**
+     * Shows the control modal
+     *
+     * @param {number} idx - selected page index
+     */
+    showControl(idx) {
+      this.selectedIndex = idx;
+      UIkit.modal($('#modal-sections')).show();
+    },
+    /**
+     * Redirects to a URL
+     *
+     * @param {string} url - The target URL
+     */
+    redirect(url) {
+      window.location.replace(url);
+    },
+    /**
+     * Set up the scroll handler that calls `replaceHistory` when an image
+     * 	enters the view port
+     */
+    setupScroller() {
+      if (this.mode !== 'continuous') return;
+      $('img').each((idx, el) => {
+        $(el).on('inview', (event, inView) => {
+          if (inView) {
+            const current = $(event.currentTarget).attr('id');
 
-						this.curItem = this.items[current - 1];
-						this.replaceHistory(current);
-					}
-				});
-			});
-		},
-		/**
-		 * Marks progress as 100% and jumps to the next entry
-		 *
-		 * @param {string} nextUrl - URL of the next entry
-		 */
-		nextEntry(nextUrl) {
-			this.saveProgress(this.items.length, () => {
-				this.redirect(nextUrl);
-			});
-		},
-		/**
-		 * Exits the reader, and sets the reading progress tp 100%
-		 *
-		 * @param {string} exitUrl - The Exit URL
-		 */
-		exitReader(exitUrl) {
-			this.saveProgress(this.items.length, () => {
-				this.redirect(exitUrl);
-			});
-		},
+            this.curItem = this.items[current - 1];
+            this.replaceHistory(current);
+          }
+        });
+      });
+    },
+    /**
+     * Marks progress as 100% and jumps to the next entry
+     *
+     * @param {string} nextUrl - URL of the next entry
+     */
+    nextEntry(nextUrl) {
+      this.saveProgress(this.items.length, () => {
+        this.redirect(nextUrl);
+      });
+    },
+    /**
+     * Exits the reader, and sets the reading progress tp 100%
+     *
+     * @param {string} exitUrl - The Exit URL
+     */
+    exitReader(exitUrl) {
+      this.saveProgress(this.items.length, () => {
+        this.redirect(exitUrl);
+      });
+    },
 
-		/**
-		 * Handles the `change` event for the entry selector
-		 */
-		entryChanged() {
-			const id = $('#entry-select').val();
-			this.redirect(`${base_url}reader/${tid}/${id}`);
-		},
+    /**
+     * Handles the `change` event for the entry selector
+     */
+    entryChanged() {
+      const id = $('#entry-select').val();
+      this.redirect(`${base_url}reader/${tid}/${id}`);
+    },
 
-		marginChanged() {
-			localStorage.setItem('margin', this.margin);
-			this.toPage(this.selectedIndex);
-		},
+    marginChanged() {
+      localStorage.setItem('margin', this.margin);
+      this.toPage(this.selectedIndex);
+    },
 
-		preloadLookaheadChanged() {
-			localStorage.setItem('preloadLookahead', this.preloadLookahead);
-		},
+    fitChanged() {
+      this.fitType = $('#fit-select').val();
+      localStorage.setItem('fitType', this.fitType);
+    },
 
-		enableFlipAnimationChanged() {
-			localStorage.setItem('enableFlipAnimation', this.enableFlipAnimation);
-		},
+    preloadLookaheadChanged() {
+      localStorage.setItem('preloadLookahead', this.preloadLookahead);
+    },
 
-		enableRightToLeftChanged() {
-			localStorage.setItem('enableRightToLeft', this.enableRightToLeft);
-		},
-	};
-}
+    enableFlipAnimationChanged() {
+      localStorage.setItem('enableFlipAnimation', this.enableFlipAnimation);
+    },
+
+    enableRightToLeftChanged() {
+      localStorage.setItem('enableRightToLeft', this.enableRightToLeft);
+    },
+  };
+};

public/js/search.js

@@ -1,30 +1,28 @@
-$(function(){
-	var filter = [];
-	var result = [];
-	$('.uk-card-title').each(function(){
-		filter.push($(this).text());
-	});
-	$('.uk-search-input').keyup(function(){
-		var input = $('.uk-search-input').val();
-		var regex = new RegExp(input, 'i');
+$(function () {
+  let filter = [];
+  let result = [];
+  $('.uk-card-title').each(function () {
+    filter.push($(this).text());
+  });
+  $('.uk-search-input').keyup(function () {
+    let input = $('.uk-search-input').val();
+    let regex = new RegExp(input, 'i');
 
-		if (input === '') {
-			$('.item').each(function(){
-				$(this).removeAttr('hidden');
-			});
-		}
-		else {
-			filter.forEach(function(text, i){
-				result[i] = text.match(regex);
-			});
-			$('.item').each(function(i){
-				if (result[i]) {
-					$(this).removeAttr('hidden');
-				}
-				else {
-					$(this).attr('hidden', '');
-				}
-			});
-		}
-	});
+    if (input === '') {
+      $('.item').each(function () {
+        $(this).removeAttr('hidden');
+      });
+    } else {
+      filter.forEach(function (text, i) {
+        result[i] = text.match(regex);
+      });
+      $('.item').each(function (i) {
+        if (result[i]) {
+          $(this).removeAttr('hidden');
+        } else {
+          $(this).attr('hidden', '');
+        }
+      });
+    }
+  });
 });

public/js/sort-items.js

@@ -1,15 +1,15 @@
 $(() => {
-	$('#sort-select').change(() => {
-		const sort = $('#sort-select').find(':selected').attr('id');
-		const ary = sort.split('-');
-		const by = ary[0];
-		const dir = ary[1];
+  $('#sort-select').change(() => {
+    const sort = $('#sort-select').find(':selected').attr('id');
+    const ary = sort.split('-');
+    const by = ary[0];
+    const dir = ary[1];
 
-		const url = `${location.protocol}//${location.host}${location.pathname}`;
-		const newURL = `${url}?${$.param({
-			sort: by,
-			ascend: dir === 'up' ? 1 : 0
-		})}`;
-		window.location.href = newURL;
-	});
+    const url = `${location.protocol}//${location.host}${location.pathname}`;
+    const newURL = `${url}?${$.param({
+      sort: by,
+      ascend: dir === 'up' ? 1 : 0,
+    })}`;
+    window.location.href = newURL;
+  });
 });

public/js/subscription-manager.js

@@ -1,147 +1,144 @@
 const component = () => {
-	return {
-		subscriptions: [],
-		plugins: [],
-		pid: undefined,
-		subscription: undefined, // selected subscription
-		loading: false,
+  return {
+    subscriptions: [],
+    plugins: [],
+    pid: undefined,
+    subscription: undefined, // selected subscription
+    loading: false,
 
-		init() {
-			fetch(`${base_url}api/admin/plugin`)
-				.then((res) => res.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					this.plugins = data.plugins;
+    init() {
+      fetch(`${base_url}api/admin/plugin`)
+        .then((res) => res.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          this.plugins = data.plugins;
 
-					const pid = localStorage.getItem("plugin");
-					if (pid && this.plugins.map((p) => p.id).includes(pid))
-						this.pid = pid;
-					else if (this.plugins.length > 0)
-						this.pid = this.plugins[0].id;
+          let pid = localStorage.getItem('plugin');
+          if (!pid || !this.plugins.find((p) => p.id === pid)) {
+            pid = this.plugins[0].id;
+          }
 
-					this.list(pid);
-				})
-				.catch((e) => {
-					alert(
-						"danger",
-						`Failed to list the available plugins. Error: ${e}`
-					);
-				});
-		},
-		pluginChanged() {
-			localStorage.setItem("plugin", this.pid);
-			this.list(this.pid);
-		},
-		list(pid) {
-			if (!pid) return;
-			fetch(
-				`${base_url}api/admin/plugin/subscriptions?${new URLSearchParams(
-					{
-						plugin: pid,
-					}
-				)}`,
-				{
-					method: "GET",
-				}
-			)
-				.then((response) => response.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					this.subscriptions = data.subscriptions;
-				})
-				.catch((e) => {
-					alert(
-						"danger",
-						`Failed to list subscriptions. Error: ${e}`
-					);
-				});
-		},
-		renderStrCell(str) {
-			const maxLength = 40;
-			if (str.length > maxLength)
-				return `<td><span>${str.substring(
-					0,
-					maxLength
-				)}...</span><div uk-dropdown>${str}</div></td>`;
-			return `<td>${str}</td>`;
-		},
-		renderDateCell(timestamp) {
-			return `<td>${moment
-				.duration(moment.unix(timestamp).diff(moment()))
-				.humanize(true)}</td>`;
-		},
-		selected(event, modal) {
-			const id = event.currentTarget.getAttribute("sid");
-			this.subscription = this.subscriptions.find((s) => s.id === id);
-			UIkit.modal(modal).show();
-		},
-		renderFilterRow(ft) {
-			const key = ft.key;
-			let type = ft.type;
-			switch (type) {
-				case "number-min":
-					type = "number (minimum value)";
-					break;
-				case "number-max":
-					type = "number (maximum value)";
-					break;
-				case "date-min":
-					type = "minimum date";
-					break;
-				case "date-max":
-					type = "maximum date";
-					break;
-			}
-			let value = ft.value;
+          this.pid = pid;
+          this.list(pid);
+        })
+        .catch((e) => {
+          alert('danger', `Failed to list the available plugins. Error: ${e}`);
+        });
+    },
+    pluginChanged() {
+      localStorage.setItem('plugin', this.pid);
+      this.list(this.pid);
+    },
+    list(pid) {
+      if (!pid) return;
+      fetch(
+        `${base_url}api/admin/plugin/subscriptions?${new URLSearchParams({
+          plugin: pid,
+        })}`,
+        {
+          method: 'GET',
+        },
+      )
+        .then((response) => response.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          this.subscriptions = data.subscriptions;
+        })
+        .catch((e) => {
+          alert('danger', `Failed to list subscriptions. Error: ${e}`);
+        });
+    },
+    renderStrCell(str) {
+      const maxLength = 40;
+      if (str.length > maxLength)
+        return `<td><span>${str.substring(
+          0,
+          maxLength,
+        )}...</span><div uk-dropdown>${str}</div></td>`;
+      return `<td>${str}</td>`;
+    },
+    renderDateCell(timestamp) {
+      return `<td>${moment
+        .duration(moment.unix(timestamp).diff(moment()))
+        .humanize(true)}</td>`;
+    },
+    selected(event, modal) {
+      const id = event.currentTarget.getAttribute('sid');
+      this.subscription = this.subscriptions.find((s) => s.id === id);
+      UIkit.modal(modal).show();
+    },
+    renderFilterRow(ft) {
+      const key = ft.key;
+      let type = ft.type;
+      switch (type) {
+        case 'number-min':
+          type = 'number (minimum value)';
+          break;
+        case 'number-max':
+          type = 'number (maximum value)';
+          break;
+        case 'date-min':
+          type = 'minimum date';
+          break;
+        case 'date-max':
+          type = 'maximum date';
+          break;
+      }
+      let value = ft.value;
 
-			if (ft.type.startsWith("number") && isNaN(value)) value = "";
-			else if (ft.type.startsWith("date") && value)
-				value = moment(Number(value)).format("MMM D, YYYY");
+      if (ft.type.startsWith('number') && isNaN(value)) value = '';
+      else if (ft.type.startsWith('date') && value)
+        value = moment(Number(value)).format('MMM D, YYYY');
 
-			return `<td>${key}</td><td>${type}</td><td>${value}</td>`;
-		},
-		actionHandler(event, type) {
-			const id = $(event.currentTarget).closest("tr").attr("sid");
-			if (type !== 'delete') return this.action(id, type);
-			UIkit.modal.confirm('Are you sure you want to delete the subscription? This cannot be undone.', {
-				labels: {
-					ok: 'Yes, delete it',
-					cancel: 'Cancel'
-				}
-			}).then(() => {
-				this.action(id, type);
-			});
-		},
-		action(id, type) {
-			if (this.loading) return;
-			this.loading = true;
-			fetch(
-				`${base_url}api/admin/plugin/subscriptions${type === 'update' ? '/update' : ''}?${new URLSearchParams(
-					{
-						plugin: this.pid,
-						subscription: id,
-					}
-				)}`,
-				{
-					method: type === 'delete' ? "DELETE" : 'POST'
-				}
-			)
-				.then((response) => response.json())
-				.then((data) => {
-					if (!data.success) throw new Error(data.error);
-					if (type === 'update')
-						alert("success", `Checking updates for subscription ${id}. Check the log for the progress or come back to this page later.`);
-				})
-				.catch((e) => {
-					alert(
-						"danger",
-						`Failed to ${type} subscription. Error: ${e}`
-					);
-				})
-				.finally(() => {
-					this.loading = false;
-					this.list(this.pid);
-				});
-		},
-	};
+      return `<td>${key}</td><td>${type}</td><td>${value}</td>`;
+    },
+    actionHandler(event, type) {
+      const id = $(event.currentTarget).closest('tr').attr('sid');
+      if (type !== 'delete') return this.action(id, type);
+      UIkit.modal
+        .confirm(
+          'Are you sure you want to delete the subscription? This cannot be undone.',
+          {
+            labels: {
+              ok: 'Yes, delete it',
+              cancel: 'Cancel',
+            },
+          },
+        )
+        .then(() => {
+          this.action(id, type);
+        });
+    },
+    action(id, type) {
+      if (this.loading) return;
+      this.loading = true;
+      fetch(
+        `${base_url}api/admin/plugin/subscriptions${
+          type === 'update' ? '/update' : ''
+        }?${new URLSearchParams({
+          plugin: this.pid,
+          subscription: id,
+        })}`,
+        {
+          method: type === 'delete' ? 'DELETE' : 'POST',
+        },
+      )
+        .then((response) => response.json())
+        .then((data) => {
+          if (!data.success) throw new Error(data.error);
+          if (type === 'update')
+            alert(
+              'success',
+              `Checking updates for subscription ${id}. Check the log for the progress or come back to this page later.`,
+            );
+        })
+        .catch((e) => {
+          alert('danger', `Failed to ${type} subscription. Error: ${e}`);
+        })
+        .finally(() => {
+          this.loading = false;
+          this.list(this.pid);
+        });
+    },
+  };
 };

public/js/subscription.js

@@ -1,82 +1,112 @@
 const component = () => {
-	return {
-		available: undefined,
-		subscriptions: [],
+  return {
+    available: undefined,
+    subscriptions: [],
 
-		init() {
-			$.getJSON(`${base_url}api/admin/mangadex/expires`)
-				.done((data) => {
-					if (data.error) {
-						alert('danger', 'Failed to check MangaDex integration status. Error: ' + data.error);
-						return;
-					}
-					this.available = Boolean(data.expires && data.expires > Math.floor(Date.now() / 1000));
+    init() {
+      $.getJSON(`${base_url}api/admin/mangadex/expires`)
+        .done((data) => {
+          if (data.error) {
+            alert(
+              'danger',
+              'Failed to check MangaDex integration status. Error: ' +
+                data.error,
+            );
+            return;
+          }
+          this.available = Boolean(
+            data.expires && data.expires > Math.floor(Date.now() / 1000),
+          );
 
-					if (this.available) this.getSubscriptions();
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to check MangaDex integration status. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				})
-		},
+          if (this.available) this.getSubscriptions();
+        })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to check MangaDex integration status. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        });
+    },
 
-		getSubscriptions() {
-			$.getJSON(`${base_url}api/admin/mangadex/subscriptions`)
-				.done(data => {
-					if (data.error) {
-						alert('danger', 'Failed to get subscriptions. Error: ' + data.error);
-						return;
-					}
-					this.subscriptions = data.subscriptions;
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to get subscriptions. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				})
-		},
+    getSubscriptions() {
+      $.getJSON(`${base_url}api/admin/mangadex/subscriptions`)
+        .done((data) => {
+          if (data.error) {
+            alert(
+              'danger',
+              'Failed to get subscriptions. Error: ' + data.error,
+            );
+            return;
+          }
+          this.subscriptions = data.subscriptions;
+        })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to get subscriptions. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        });
+    },
 
-		rm(event) {
-			const id = event.currentTarget.parentNode.getAttribute('data-id');
-			$.ajax({
-					type: 'DELETE',
-					url: `${base_url}api/admin/mangadex/subscriptions/${id}`,
-					contentType: 'application/json'
-				})
-				.done(data => {
-					if (data.error) {
-						alert('danger', `Failed to delete subscription. Error: ${data.error}`);
-					}
-					this.getSubscriptions();
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to delete subscription. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				});
-		},
+    rm(event) {
+      const id = event.currentTarget.parentNode.getAttribute('data-id');
+      $.ajax({
+        type: 'DELETE',
+        url: `${base_url}api/admin/mangadex/subscriptions/${id}`,
+        contentType: 'application/json',
+      })
+        .done((data) => {
+          if (data.error) {
+            alert(
+              'danger',
+              `Failed to delete subscription. Error: ${data.error}`,
+            );
+          }
+          this.getSubscriptions();
+        })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to delete subscription. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        });
+    },
 
-		check(event) {
-			const id = event.currentTarget.parentNode.getAttribute('data-id');
-			$.ajax({
-					type: 'POST',
-					url: `${base_url}api/admin/mangadex/subscriptions/check/${id}`,
-					contentType: 'application/json'
-				})
-				.done(data => {
-					if (data.error) {
-						alert('danger', `Failed to check subscription. Error: ${data.error}`);
-						return;
-					}
-					alert('success', 'Mango is now checking the subscription for updates. This might take a while, but you can safely leave the page.');
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Failed to check subscription. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				});
-		},
+    check(event) {
+      const id = event.currentTarget.parentNode.getAttribute('data-id');
+      $.ajax({
+        type: 'POST',
+        url: `${base_url}api/admin/mangadex/subscriptions/check/${id}`,
+        contentType: 'application/json',
+      })
+        .done((data) => {
+          if (data.error) {
+            alert(
+              'danger',
+              `Failed to check subscription. Error: ${data.error}`,
+            );
+            return;
+          }
+          alert(
+            'success',
+            'Mango is now checking the subscription for updates. This might take a while, but you can safely leave the page.',
+          );
+        })
+        .fail((jqXHR, status) => {
+          alert(
+            'danger',
+            `Failed to check subscription. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+          );
+        });
+    },
 
-		formatRange(min, max) {
-			if (!isNaN(min) && isNaN(max)) return `≥ ${min}`;
-			if (isNaN(min) && !isNaN(max)) return `≤ ${max}`;
-			if (isNaN(min) && isNaN(max)) return 'All';
+    formatRange(min, max) {
+      if (!isNaN(min) && isNaN(max)) return `≥ ${min}`;
+      if (isNaN(min) && !isNaN(max)) return `≤ ${max}`;
+      if (isNaN(min) && isNaN(max)) return 'All';
 
-			if (min === max) return `= ${min}`;
-			return `${min} - ${max}`;
-		}
-	};
+      if (min === max) return `= ${min}`;
+      return `${min} - ${max}`;
+    },
+  };
 };

public/js/title.js

@@ -1,392 +1,421 @@
 $(() => {
-	setupAcard();
+  setupAcard();
 });
 
 const setupAcard = () => {
-	$('.acard.is_entry').click((e) => {
-		if ($(e.target).hasClass('no-modal')) return;
-		const card = $(e.target).closest('.acard');
+  $('.acard.is_entry').click((e) => {
+    if ($(e.target).hasClass('no-modal')) return;
+    const card = $(e.target).closest('.acard');
 
-		showModal(
-			$(card).attr('data-encoded-path'),
-			parseInt($(card).attr('data-pages')),
-			parseFloat($(card).attr('data-progress')),
-			$(card).attr('data-encoded-book-title'),
-			$(card).attr('data-encoded-title'),
-			$(card).attr('data-book-id'),
-			$(card).attr('data-id')
-		);
-	});
+    showModal(
+      $(card).attr('data-encoded-path'),
+      parseInt($(card).attr('data-pages')),
+      parseFloat($(card).attr('data-progress')),
+      $(card).attr('data-encoded-book-title'),
+      $(card).attr('data-encoded-title'),
+      $(card).attr('data-book-id'),
+      $(card).attr('data-id'),
+    );
+  });
 };
 
-function showModal(encodedPath, pages, percentage, encodedeTitle, encodedEntryTitle, titleID, entryID) {
-	const zipPath = decodeURIComponent(encodedPath);
-	const title = decodeURIComponent(encodedeTitle);
-	const entry = decodeURIComponent(encodedEntryTitle);
-	$('#modal button, #modal a').each(function() {
-		$(this).removeAttr('hidden');
-	});
-	if (percentage === 0) {
-		$('#continue-btn').attr('hidden', '');
-		$('#unread-btn').attr('hidden', '');
-	} else if (percentage === 100) {
-		$('#read-btn').attr('hidden', '');
-		$('#continue-btn').attr('hidden', '');
-	} else {
-		$('#continue-btn').text('Continue from ' + percentage + '%');
-	}
+function showModal(
+  encodedPath,
+  pages,
+  percentage,
+  encodedeTitle,
+  encodedEntryTitle,
+  titleID,
+  entryID,
+) {
+  const zipPath = decodeURIComponent(encodedPath);
+  const title = decodeURIComponent(encodedeTitle);
+  const entry = decodeURIComponent(encodedEntryTitle);
+  $('#modal button, #modal a').each(function () {
+    $(this).removeAttr('hidden');
+  });
+  if (percentage === 0) {
+    $('#continue-btn').attr('hidden', '');
+    $('#unread-btn').attr('hidden', '');
+  } else if (percentage === 100) {
+    $('#read-btn').attr('hidden', '');
+    $('#continue-btn').attr('hidden', '');
+  } else {
+    $('#continue-btn').text('Continue from ' + percentage + '%');
+  }
 
-	$('#modal-entry-title').find('span').text(entry);
-	$('#modal-entry-title').next().attr('data-id', titleID);
-	$('#modal-entry-title').next().attr('data-entry-id', entryID);
-	$('#modal-entry-title').next().find('.title-rename-field').val(entry);
-	$('#path-text').text(zipPath);
-	$('#pages-text').text(pages + ' pages');
+  $('#modal-entry-title').find('span').text(entry);
+  $('#modal-entry-title').next().attr('data-id', titleID);
+  $('#modal-entry-title').next().attr('data-entry-id', entryID);
+  $('#modal-entry-title').next().find('.title-rename-field').val(entry);
+  $('#path-text').text(zipPath);
+  $('#pages-text').text(pages + ' pages');
 
-	$('#beginning-btn').attr('href', `${base_url}reader/${titleID}/${entryID}/1`);
-	$('#continue-btn').attr('href', `${base_url}reader/${titleID}/${entryID}`);
+  $('#beginning-btn').attr('href', `${base_url}reader/${titleID}/${entryID}/1`);
+  $('#continue-btn').attr('href', `${base_url}reader/${titleID}/${entryID}`);
 
-	$('#read-btn').click(function() {
-		updateProgress(titleID, entryID, pages);
-	});
-	$('#unread-btn').click(function() {
-		updateProgress(titleID, entryID, 0);
-	});
+  $('#read-btn').click(function () {
+    updateProgress(titleID, entryID, pages);
+  });
+  $('#unread-btn').click(function () {
+    updateProgress(titleID, entryID, 0);
+  });
 
-	$('#modal-edit-btn').attr('onclick', `edit("${entryID}")`);
+  $('#modal-edit-btn').attr('onclick', `edit("${entryID}")`);
 
-	$('#modal-download-btn').attr('href', `${base_url}api/download/${titleID}/${entryID}`);
+  $('#modal-download-btn').attr(
+    'href',
+    `${base_url}api/download/${titleID}/${entryID}`,
+  );
 
-	UIkit.modal($('#modal')).show();
+  UIkit.modal($('#modal')).show();
 }
 
 UIkit.util.on(document, 'hidden', '#modal', () => {
-	$('#read-btn').off('click');
-	$('#unread-btn').off('click');
+  $('#read-btn').off('click');
+  $('#unread-btn').off('click');
 });
 
 const updateProgress = (tid, eid, page) => {
-	let url = `${base_url}api/progress/${tid}/${page}`
-	const query = $.param({
-		eid: eid
-	});
-	if (eid)
-		url += `?${query}`;
+  let url = `${base_url}api/progress/${tid}/${page}`;
+  const query = $.param({
+    eid,
+  });
+  if (eid) url += `?${query}`;
 
-	$.ajax({
-			method: 'PUT',
-			url: url,
-			dataType: 'json'
-		})
-		.done(data => {
-			if (data.success) {
-				location.reload();
-			} else {
-				error = data.error;
-				alert('danger', error);
-			}
-		})
-		.fail((jqXHR, status) => {
-			alert('danger', `Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-		});
+  $.ajax({
+    method: 'PUT',
+    url,
+    dataType: 'json',
+  })
+    .done((data) => {
+      if (data.success) {
+        location.reload();
+      } else {
+        error = data.error;
+        alert('danger', error);
+      }
+    })
+    .fail((jqXHR, status) => {
+      alert('danger', `Error: [${jqXHR.status}] ${jqXHR.statusText}`);
+    });
 };
 
 const renameSubmit = (name, eid) => {
-	const upload = $('.upload-field');
-	const titleId = upload.attr('data-title-id');
+  const upload = $('.upload-field');
+  const titleId = upload.attr('data-title-id');
 
-	if (name.length === 0) {
-		alert('danger', 'The display name should not be empty');
-		return;
-	}
+  if (name.length === 0) {
+    alert('danger', 'The display name should not be empty');
+    return;
+  }
 
-	const query = $.param({
-		eid: eid
-	});
-	let url = `${base_url}api/admin/display_name/${titleId}/${name}`;
-	if (eid)
-		url += `?${query}`;
+  const query = $.param({
+    eid,
+  });
+  let url = `${base_url}api/admin/display_name/${titleId}/${name}`;
+  if (eid) url += `?${query}`;
 
-	$.ajax({
-			type: 'PUT',
-			url: url,
-			contentType: "application/json",
-			dataType: 'json'
-		})
-		.done(data => {
-			if (data.error) {
-				alert('danger', `Failed to update display name. Error: ${data.error}`);
-				return;
-			}
-			location.reload();
-		})
-		.fail((jqXHR, status) => {
-			alert('danger', `Failed to update display name. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-		});
+  $.ajax({
+    type: 'PUT',
+    url,
+    contentType: 'application/json',
+    dataType: 'json',
+  })
+    .done((data) => {
+      if (data.error) {
+        alert('danger', `Failed to update display name. Error: ${data.error}`);
+        return;
+      }
+      location.reload();
+    })
+    .fail((jqXHR, status) => {
+      alert(
+        'danger',
+        `Failed to update display name. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+      );
+    });
 };
 
 const renameSortNameSubmit = (name, eid) => {
-	const upload = $('.upload-field');
-	const titleId = upload.attr('data-title-id');
+  const upload = $('.upload-field');
+  const titleId = upload.attr('data-title-id');
 
-	const params = {};
-	if (eid) params.eid = eid;
-	if (name) params.name = name;
-	const query = $.param(params);
-	let url = `${base_url}api/admin/sort_title/${titleId}?${query}`;
+  const params = {};
+  if (eid) params.eid = eid;
+  if (name) params.name = name;
+  const query = $.param(params);
+  let url = `${base_url}api/admin/sort_title/${titleId}?${query}`;
 
-	$.ajax({
-			type: 'PUT',
-			url,
-			contentType: 'application/json',
-			dataType: 'json'
-		})
-		.done(data => {
-			if (data.error) {
-				alert('danger', `Failed to update sort title. Error: ${data.error}`);
-				return;
-			}
-			location.reload();
-		})
-		.fail((jqXHR, status) => {
-			alert('danger', `Failed to update sort title. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-		});
+  $.ajax({
+    type: 'PUT',
+    url,
+    contentType: 'application/json',
+    dataType: 'json',
+  })
+    .done((data) => {
+      if (data.error) {
+        alert('danger', `Failed to update sort title. Error: ${data.error}`);
+        return;
+      }
+      location.reload();
+    })
+    .fail((jqXHR, status) => {
+      alert(
+        'danger',
+        `Failed to update sort title. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+      );
+    });
 };
 
 const edit = (eid) => {
-	const cover = $('#edit-modal #cover');
-	let url = cover.attr('data-title-cover');
-	let displayName = $('h2.uk-title > span').text();
-	let fileTitle = $('h2.uk-title').attr('data-file-title');
-	let sortTitle = $('h2.uk-title').attr('data-sort-title');
+  const cover = $('#edit-modal #cover');
+  let url = cover.attr('data-title-cover');
+  let displayName = $('h2.uk-title > span').text();
+  let fileTitle = $('h2.uk-title').attr('data-file-title');
+  let sortTitle = $('h2.uk-title').attr('data-sort-title');
 
-	if (eid) {
-		const item = $(`#${eid}`);
-		url = item.find('img').attr('data-src');
-		displayName = item.find('.uk-card-title').attr('data-title');
-		fileTitle = item.find('.uk-card-title').attr('data-file-title');
-		sortTitle = item.find('.uk-card-title').attr('data-sort-title');
-		$('#title-progress-control').attr('hidden', '');
-	} else {
-		$('#title-progress-control').removeAttr('hidden');
-	}
+  if (eid) {
+    const item = $(`#${eid}`);
+    url = item.find('img').attr('data-src');
+    displayName = item.find('.uk-card-title').attr('data-title');
+    fileTitle = item.find('.uk-card-title').attr('data-file-title');
+    sortTitle = item.find('.uk-card-title').attr('data-sort-title');
+    $('#title-progress-control').attr('hidden', '');
+  } else {
+    $('#title-progress-control').removeAttr('hidden');
+  }
 
-	cover.attr('data-src', url);
+  cover.attr('data-src', url);
 
-	const displayNameField = $('#display-name-field');
-	displayNameField.attr('value', displayName);
-	displayNameField.attr('placeholder', fileTitle);
-	displayNameField.keyup(event => {
-		if (event.keyCode === 13) {
-			renameSubmit(displayNameField.val() || fileTitle, eid);
-		}
-	});
-	displayNameField.siblings('a.uk-form-icon').click(() => {
-		renameSubmit(displayNameField.val() || fileTitle, eid);
-	});
+  const displayNameField = $('#display-name-field');
+  displayNameField.attr('value', displayName);
+  displayNameField.attr('placeholder', fileTitle);
+  displayNameField.keyup((event) => {
+    if (event.keyCode === 13) {
+      renameSubmit(displayNameField.val() || fileTitle, eid);
+    }
+  });
+  displayNameField.siblings('a.uk-form-icon').click(() => {
+    renameSubmit(displayNameField.val() || fileTitle, eid);
+  });
 
-	const sortTitleField = $('#sort-title-field');
-	sortTitleField.val(sortTitle);
-	sortTitleField.attr('placeholder', fileTitle);
-	sortTitleField.keyup(event => {
-		if (event.keyCode === 13) {
-			renameSortNameSubmit(sortTitleField.val(), eid);
-		}
-	});
-	sortTitleField.siblings('a.uk-form-icon').click(() => {
-		renameSortNameSubmit(sortTitleField.val(), eid);
-	});
+  const sortTitleField = $('#sort-title-field');
+  sortTitleField.val(sortTitle);
+  sortTitleField.attr('placeholder', fileTitle);
+  sortTitleField.keyup((event) => {
+    if (event.keyCode === 13) {
+      renameSortNameSubmit(sortTitleField.val(), eid);
+    }
+  });
+  sortTitleField.siblings('a.uk-form-icon').click(() => {
+    renameSortNameSubmit(sortTitleField.val(), eid);
+  });
 
-	setupUpload(eid);
+  setupUpload(eid);
 
-	UIkit.modal($('#edit-modal')).show();
+  UIkit.modal($('#edit-modal')).show();
 };
 
 UIkit.util.on(document, 'hidden', '#edit-modal', () => {
-	const displayNameField = $('#display-name-field');
-	displayNameField.off('keyup');
-	displayNameField.off('click');
+  const displayNameField = $('#display-name-field');
+  displayNameField.off('keyup');
+  displayNameField.off('click');
 
-	const sortTitleField = $('#sort-title-field');
-	sortTitleField.off('keyup');
-	sortTitleField.off('click');
+  const sortTitleField = $('#sort-title-field');
+  sortTitleField.off('keyup');
+  sortTitleField.off('click');
 });
 
 const setupUpload = (eid) => {
-	const upload = $('.upload-field');
-	const bar = $('#upload-progress').get(0);
-	const titleId = upload.attr('data-title-id');
-	const queryObj = {
-		tid: titleId
-	};
-	if (eid)
-		queryObj['eid'] = eid;
-	const query = $.param(queryObj);
-	const url = `${base_url}api/admin/upload/cover?${query}`;
-	UIkit.upload('.upload-field', {
-		url: url,
-		name: 'file',
-		error: (e) => {
-			alert('danger', `Failed to upload cover image: ${e.toString()}`);
-		},
-		loadStart: (e) => {
-			$(bar).removeAttr('hidden');
-			bar.max = e.total;
-			bar.value = e.loaded;
-		},
-		progress: (e) => {
-			bar.max = e.total;
-			bar.value = e.loaded;
-		},
-		loadEnd: (e) => {
-			bar.max = e.total;
-			bar.value = e.loaded;
-		},
-		completeAll: () => {
-			$(bar).attr('hidden', '');
-			location.reload();
-		}
-	});
+  const upload = $('.upload-field');
+  const bar = $('#upload-progress').get(0);
+  const titleId = upload.attr('data-title-id');
+  const queryObj = {
+    tid: titleId,
+  };
+  if (eid) queryObj['eid'] = eid;
+  const query = $.param(queryObj);
+  const url = `${base_url}api/admin/upload/cover?${query}`;
+  UIkit.upload('.upload-field', {
+    url,
+    name: 'file',
+    error: (e) => {
+      alert('danger', `Failed to upload cover image: ${e.toString()}`);
+    },
+    loadStart: (e) => {
+      $(bar).removeAttr('hidden');
+      bar.max = e.total;
+      bar.value = e.loaded;
+    },
+    progress: (e) => {
+      bar.max = e.total;
+      bar.value = e.loaded;
+    },
+    loadEnd: (e) => {
+      bar.max = e.total;
+      bar.value = e.loaded;
+    },
+    completeAll: () => {
+      $(bar).attr('hidden', '');
+      location.reload();
+    },
+  });
 };
 
 const deselectAll = () => {
-	$('.item .uk-card').each((i, e) => {
-		const data = e.__x.$data;
-		data['selected'] = false;
-	});
-	$('#select-bar')[0].__x.$data['count'] = 0;
+  $('.item .uk-card').each((i, e) => {
+    const data = e.__x.$data;
+    data['selected'] = false;
+  });
+  $('#select-bar')[0].__x.$data['count'] = 0;
 };
 
 const selectAll = () => {
-	let count = 0;
-	$('.item .uk-card').each((i, e) => {
-		const data = e.__x.$data;
-		if (!data['disabled']) {
-			data['selected'] = true;
-			count++;
-		}
-	});
-	$('#select-bar')[0].__x.$data['count'] = count;
+  let count = 0;
+  $('.item .uk-card').each((i, e) => {
+    const data = e.__x.$data;
+    if (!data['disabled']) {
+      data['selected'] = true;
+      count++;
+    }
+  });
+  $('#select-bar')[0].__x.$data['count'] = count;
 };
 
 const selectedIDs = () => {
-	const ary = [];
-	$('.item .uk-card').each((i, e) => {
-		const data = e.__x.$data;
-		if (!data['disabled'] && data['selected']) {
-			const item = $(e).closest('.item');
-			ary.push($(item).attr('id'));
-		}
-	});
-	return ary;
+  const ary = [];
+  $('.item .uk-card').each((i, e) => {
+    const data = e.__x.$data;
+    if (!data['disabled'] && data['selected']) {
+      const item = $(e).closest('.item');
+      ary.push($(item).attr('id'));
+    }
+  });
+  return ary;
 };
 
 const bulkProgress = (action, el) => {
-	const tid = $(el).attr('data-id');
-	const ids = selectedIDs();
-	const url = `${base_url}api/bulk_progress/${action}/${tid}`;
-	$.ajax({
-			type: 'PUT',
-			url: url,
-			contentType: "application/json",
-			dataType: 'json',
-			data: JSON.stringify({
-				ids: ids
-			})
-		})
-		.done(data => {
-			if (data.error) {
-				alert('danger', `Failed to mark entries as ${action}. Error: ${data.error}`);
-				return;
-			}
-			location.reload();
-		})
-		.fail((jqXHR, status) => {
-			alert('danger', `Failed to mark entries as ${action}. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-		})
-		.always(() => {
-			deselectAll();
-		});
+  const tid = $(el).attr('data-id');
+  const ids = selectedIDs();
+  const url = `${base_url}api/bulk_progress/${action}/${tid}`;
+  $.ajax({
+    type: 'PUT',
+    url,
+    contentType: 'application/json',
+    dataType: 'json',
+    data: JSON.stringify({
+      ids,
+    }),
+  })
+    .done((data) => {
+      if (data.error) {
+        alert(
+          'danger',
+          `Failed to mark entries as ${action}. Error: ${data.error}`,
+        );
+        return;
+      }
+      location.reload();
+    })
+    .fail((jqXHR, status) => {
+      alert(
+        'danger',
+        `Failed to mark entries as ${action}. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+      );
+    })
+    .always(() => {
+      deselectAll();
+    });
 };
 
 const tagsComponent = () => {
-	return {
-		isAdmin: false,
-		tags: [],
-		tid: $('.upload-field').attr('data-title-id'),
-		loading: true,
+  return {
+    isAdmin: false,
+    tags: [],
+    tid: $('.upload-field').attr('data-title-id'),
+    loading: true,
 
-		load(admin) {
-			this.isAdmin = admin;
+    load(admin) {
+      this.isAdmin = admin;
 
-			$('.tag-select').select2({
-				tags: true,
-				placeholder: this.isAdmin ? 'Tag the title' : 'No tags found',
-				disabled: !this.isAdmin,
-				templateSelection(state) {
-					const a = document.createElement('a');
-					a.setAttribute('href', `${base_url}tags/${encodeURIComponent(state.text)}`);
-					a.setAttribute('class', 'uk-link-reset');
-					a.onclick = event => {
-						event.stopPropagation();
-					};
-					a.innerText = state.text;
-					return a;
-				}
-			});
+      $('.tag-select').select2({
+        tags: true,
+        placeholder: this.isAdmin ? 'Tag the title' : 'No tags found',
+        disabled: !this.isAdmin,
+        templateSelection(state) {
+          const a = document.createElement('a');
+          a.setAttribute(
+            'href',
+            `${base_url}tags/${encodeURIComponent(state.text)}`,
+          );
+          a.setAttribute('class', 'uk-link-reset');
+          a.onclick = (event) => {
+            event.stopPropagation();
+          };
+          a.innerText = state.text;
+          return a;
+        },
+      });
 
-			this.request(`${base_url}api/tags`, 'GET', (data) => {
-				const allTags = data.tags;
-				const url = `${base_url}api/tags/${this.tid}`;
-				this.request(url, 'GET', data => {
-					this.tags = data.tags;
-					allTags.forEach(t => {
-						const op = new Option(t, t, false, this.tags.indexOf(t) >= 0);
-						$('.tag-select').append(op);
-					});
-					$('.tag-select').on('select2:select', e => {
-						this.onAdd(e);
-					});
-					$('.tag-select').on('select2:unselect', e => {
-						this.onDelete(e);
-					});
-					$('.tag-select').on('change', () => {
-						this.onChange();
-					});
-					$('.tag-select').trigger('change');
-					this.loading = false;
-				});
-			});
-		},
-		onChange() {
-			this.tags = $('.tag-select').select2('data').map(o => o.text);
-		},
-		onAdd(event) {
-			const tag = event.params.data.text;
-			const url = `${base_url}api/admin/tags/${this.tid}/${encodeURIComponent(tag)}`;
-			this.request(url, 'PUT');
-		},
-		onDelete(event) {
-			const tag = event.params.data.text;
-			const url = `${base_url}api/admin/tags/${this.tid}/${encodeURIComponent(tag)}`;
-			this.request(url, 'DELETE');
-		},
-		request(url, method, cb) {
-			$.ajax({
-					url: url,
-					method: method,
-					dataType: 'json'
-				})
-				.done(data => {
-					if (data.success) {
-						if (cb) cb(data);
-					} else {
-						alert('danger', data.error);
-					}
-				})
-				.fail((jqXHR, status) => {
-					alert('danger', `Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-				});
-		}
-	};
+      this.request(`${base_url}api/tags`, 'GET', (data) => {
+        const allTags = data.tags;
+        const url = `${base_url}api/tags/${this.tid}`;
+        this.request(url, 'GET', (data) => {
+          this.tags = data.tags;
+          allTags.forEach((t) => {
+            const op = new Option(t, t, false, this.tags.indexOf(t) >= 0);
+            $('.tag-select').append(op);
+          });
+          $('.tag-select').on('select2:select', (e) => {
+            this.onAdd(e);
+          });
+          $('.tag-select').on('select2:unselect', (e) => {
+            this.onDelete(e);
+          });
+          $('.tag-select').on('change', () => {
+            this.onChange();
+          });
+          $('.tag-select').trigger('change');
+          this.loading = false;
+        });
+      });
+    },
+    onChange() {
+      this.tags = $('.tag-select')
+        .select2('data')
+        .map((o) => o.text);
+    },
+    onAdd(event) {
+      const tag = event.params.data.text;
+      const url = `${base_url}api/admin/tags/${this.tid}/${encodeURIComponent(
+        tag,
+      )}`;
+      this.request(url, 'PUT');
+    },
+    onDelete(event) {
+      const tag = event.params.data.text;
+      const url = `${base_url}api/admin/tags/${this.tid}/${encodeURIComponent(
+        tag,
+      )}`;
+      this.request(url, 'DELETE');
+    },
+    request(url, method, cb) {
+      $.ajax({
+        url,
+        method,
+        dataType: 'json',
+      })
+        .done((data) => {
+          if (data.success) {
+            if (cb) cb(data);
+          } else {
+            alert('danger', data.error);
+          }
+        })
+        .fail((jqXHR, status) => {
+          alert('danger', `Error: [${jqXHR.status}] ${jqXHR.statusText}`);
+        });
+    },
+  };
 };

public/js/user-edit.js

@@ -1,6 +1,6 @@
 $(() => {
-	var target = base_url + 'admin/user/edit';
-	if (username) target += username;
-	$('form').attr('action', target);
-	if (error) alert('danger', error);
+  let target = base_url + 'admin/user/edit';
+  if (username) target += username;
+  $('form').attr('action', target);
+  if (error) alert('danger', error);
 });

public/js/user.js

@@ -1,16 +1,17 @@
 const remove = (username) => {
-	$.ajax({
-			url: `${base_url}api/admin/user/delete/${username}`,
-			type: 'DELETE',
-			dataType: 'json'
-		})
-		.done(data => {
-			if (data.success)
-				location.reload();
-			else
-				alert('danger', data.error);
-		})
-		.fail((jqXHR, status) => {
-			alert('danger', `Failed to delete the user. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-		});
+  $.ajax({
+    url: `${base_url}api/admin/user/delete/${username}`,
+    type: 'DELETE',
+    dataType: 'json',
+  })
+    .done((data) => {
+      if (data.success) location.reload();
+      else alert('danger', data.error);
+    })
+    .fail((jqXHR, status) => {
+      alert(
+        'danger',
+        `Failed to delete the user. Error: [${jqXHR.status}] ${jqXHR.statusText}`,
+      );
+    });
 };

shard.yml

@@ -1,5 +1,5 @@
 name: mango
-version: 0.26.1
+version: 0.27.0
 
 authors:
   - Alex Ling <hkalexling@gmail.com>

spec/asset/plugins/plugin/info.json

@@ -0,0 +1,6 @@
+{
+	"id": "test",
+	"title": "Test Plugin",
+	"placeholder": "placeholder",
+	"wait_seconds": 1
+}

spec/config_spec.cr

@@ -1,14 +1,31 @@
 require "./spec_helper"
 
 describe Config do
-  it "creates config if it does not exist" do
-    with_default_config do |_, path|
+  it "creates default config if it does not exist" do
+    with_default_config do |config, path|
       File.exists?(path).should be_true
+      config.port.should eq 9000
     end
   end
 
   it "correctly loads config" do
     config = Config.load "spec/asset/test-config.yml"
     config.port.should eq 3000
+    config.base_url.should eq "/"
+  end
+
+  it "correctly reads config defaults from ENV" do
+    ENV["LOG_LEVEL"] = "debug"
+    config = Config.load "spec/asset/test-config.yml"
+    config.log_level.should eq "debug"
+    config.base_url.should eq "/"
+  end
+
+  it "correctly handles ENV truthiness" do
+    ENV["CACHE_ENABLED"] = "false"
+    config = Config.load "spec/asset/test-config.yml"
+    config.cache_enabled.should be_false
+    config.cache_log_enabled.should be_true
+    config.disable_login.should be_false
   end
 end

spec/plugin_spec.cr

@@ -0,0 +1,70 @@
+require "./spec_helper"
+
+describe Plugin do
+  describe "helper functions" do
+    it "mango.text" do
+      with_plugin do |plugin|
+        res = plugin.eval <<-JS
+        mango.text('<a href="https://github.com">Click Me<a>');
+      JS
+        res.should eq "Click Me"
+      end
+    end
+
+    it "mango.text returns empty string when no text" do
+      with_plugin do |plugin|
+        res = plugin.eval <<-JS
+        mango.text('<img src="https://github.com" />');
+        JS
+        res.should eq ""
+      end
+    end
+
+    it "mango.css" do
+      with_plugin do |plugin|
+        res = plugin.eval <<-JS
+        mango.css('<ul><li class="test">A</li><li class="test">B</li><li>C</li></ul>', 'li.test');
+
+        JS
+        res.should eq ["<li class=\"test\">A</li>", "<li class=\"test\">B</li>"]
+      end
+    end
+
+    it "mango.css returns empty array when no match" do
+      with_plugin do |plugin|
+        res = plugin.eval <<-JS
+        mango.css('<ul><li class="test">A</li><li class="test">B</li><li>C</li></ul>', 'li.noclass');
+        JS
+        res.should eq [] of String
+      end
+    end
+
+    it "mango.attribute" do
+      with_plugin do |plugin|
+        res = plugin.eval <<-JS
+        mango.attribute('<a href="https://github.com">Click Me<a>', 'href');
+        JS
+        res.should eq "https://github.com"
+      end
+    end
+
+    it "mango.attribute returns undefined when no match" do
+      with_plugin do |plugin|
+        res = plugin.eval <<-JS
+        mango.attribute('<div />', 'href') === undefined;
+        JS
+        res.should be_true
+      end
+    end
+
+    # https://github.com/hkalexling/Mango/issues/320
+    it "mango.attribute handles tags in attribute values" do
+      with_plugin do |plugin|
+        res = plugin.eval <<-JS
+        mango.attribute('<div data-a="<img />" data-b="test" />', 'data-b');
+        JS
+        res.should eq "test"
+      end
+    end
+  end
+end

spec/spec_helper.cr

@@ -3,6 +3,7 @@ require "../src/queue"
 require "../src/server"
 require "../src/config"
 require "../src/main_fiber"
+require "../src/plugin/plugin"
 
 class State
   @@hash = {} of String => String
@@ -54,3 +55,10 @@ def with_storage
     end
   end
 end
+
+def with_plugin
+  with_default_config do
+    plugin = Plugin.new "test", "spec/asset/plugins"
+    yield plugin
+  end
+end

src/config.cr

@@ -1,31 +1,51 @@
 require "yaml"
 
 class Config
+  private OPTIONS = {
+    "host"                                => "0.0.0.0",
+    "port"                                => 9000,
+    "base_url"                            => "/",
+    "session_secret"                      => "mango-session-secret",
+    "library_path"                        => "~/mango/library",
+    "library_cache_path"                  => "~/mango/library.yml.gz",
+    "db_path"                             => "~/mango/mango.db",
+    "queue_db_path"                       => "~/mango/queue.db",
+    "scan_interval_minutes"               => 5,
+    "thumbnail_generation_interval_hours" => 24,
+    "log_level"                           => "info",
+    "upload_path"                         => "~/mango/uploads",
+    "plugin_path"                         => "~/mango/plugins",
+    "download_timeout_seconds"            => 30,
+    "cache_enabled"                       => true,
+    "cache_size_mbs"                      => 50,
+    "cache_log_enabled"                   => true,
+    "disable_login"                       => false,
+    "default_username"                    => "",
+    "auth_proxy_header_name"              => "",
+    "plugin_update_interval_hours"        => 24,
+  }
+
   include YAML::Serializable
 
   @[YAML::Field(ignore: true)]
-  property path = ""
-  property host = "0.0.0.0"
-  property port : Int32 = 9000
-  property base_url = "/"
-  property session_secret = "mango-session-secret"
-  property library_path = "~/mango/library"
-  property library_cache_path = "~/mango/library.yml.gz"
-  property db_path = "~/mango/mango.db"
-  property queue_db_path = "~/mango/queue.db"
-  property scan_interval_minutes : Int32 = 5
-  property thumbnail_generation_interval_hours : Int32 = 24
-  property log_level = "info"
-  property upload_path = "~/mango/uploads"
-  property plugin_path = "~/mango/plugins"
-  property download_timeout_seconds : Int32 = 30
-  property cache_enabled = true
-  property cache_size_mbs = 50
-  property cache_log_enabled = true
-  property disable_login = false
-  property default_username = ""
-  property auth_proxy_header_name = ""
-  property plugin_update_interval_hours : Int32 = 24
+  property path : String = ""
+
+  # Go through the options constant above and define them as properties.
+  #   Allow setting the default values through environment variables.
+  # Overall precedence: config file > environment variable > default value
+  {% begin %}
+    {% for k, v in OPTIONS %}
+        {% if v.is_a? StringLiteral %}
+          property {{k.id}} : String = ENV[{{k.upcase}}]? || {{ v }}
+        {% elsif v.is_a? NumberLiteral %}
+          property {{k.id}} : Int32 = (ENV[{{k.upcase}}]? || {{ v.id }}).to_i
+        {% elsif v.is_a? BoolLiteral %}
+          property {{k.id}} : Bool = env_is_true? {{ k.upcase }}, {{ v.id }}
+        {% else %}
+          raise "Unknown type in config option: {{ v.class_name.id }}"
+        {% end %}
+    {% end %}
+  {% end %}
 
   @@singlet : Config?
 
@@ -38,7 +58,7 @@ class Config
   end
 
   def self.load(path : String?)
-    path = "~/.config/mango/config.yml" if path.nil?
+    path = (ENV["CONFIG_PATH"]? || "~/.config/mango/config.yml") if path.nil?
     cfg_path = File.expand_path path, home: true
     if File.exists? cfg_path
       config = self.from_yaml File.read cfg_path

src/library/archive_entry.cr

@@ -0,0 +1,111 @@
+require "yaml"
+
+require "./entry"
+
+class ArchiveEntry < Entry
+  include YAML::Serializable
+
+  getter zip_path : String
+
+  def initialize(@zip_path, @book)
+    storage = Storage.default
+    @path = @zip_path
+    @encoded_path = URI.encode @zip_path
+    @title = File.basename @zip_path, File.extname @zip_path
+    @encoded_title = URI.encode @title
+    @size = (File.size @zip_path).humanize_bytes
+    id = storage.get_entry_id @zip_path, File.signature(@zip_path)
+    if id.nil?
+      id = random_str
+      storage.insert_entry_id({
+        path:      @zip_path,
+        id:        id,
+        signature: File.signature(@zip_path).to_s,
+      })
+    end
+    @id = id
+    @mtime = File.info(@zip_path).modification_time
+
+    unless File.readable? @zip_path
+      @err_msg = "File #{@zip_path} is not readable."
+      Logger.warn "#{@err_msg} Please make sure the " \
+                  "file permission is configured correctly."
+      return
+    end
+
+    archive_exception = validate_archive @zip_path
+    unless archive_exception.nil?
+      @err_msg = "Archive error: #{archive_exception}"
+      Logger.warn "Unable to extract archive #{@zip_path}. " \
+                  "Ignoring it. #{@err_msg}"
+      return
+    end
+
+    file = ArchiveFile.new @zip_path
+    @pages = file.entries.count do |e|
+      SUPPORTED_IMG_TYPES.includes? \
+        MIME.from_filename? e.filename
+    end
+    file.close
+  end
+
+  private def sorted_archive_entries
+    ArchiveFile.open @zip_path do |file|
+      entries = file.entries
+        .select { |e|
+          SUPPORTED_IMG_TYPES.includes? \
+            MIME.from_filename? e.filename
+        }
+        .sort! { |a, b|
+          compare_numerically a.filename, b.filename
+        }
+      yield file, entries
+    end
+  end
+
+  def read_page(page_num)
+    raise "Unreadble archive. #{@err_msg}" if @err_msg
+    img = nil
+    begin
+      sorted_archive_entries do |file, entries|
+        page = entries[page_num - 1]
+        data = file.read_entry page
+        if data
+          img = Image.new data, MIME.from_filename(page.filename),
+            page.filename, data.size
+        end
+      end
+    rescue e
+      Logger.warn "Unable to read page #{page_num} of #{@zip_path}. Error: #{e}"
+    end
+    img
+  end
+
+  def page_dimensions
+    sizes = [] of Hash(String, Int32)
+    sorted_archive_entries do |file, entries|
+      entries.each_with_index do |e, i|
+        begin
+          data = file.read_entry(e).not_nil!
+          size = ImageSize.get data
+          sizes << {
+            "width"  => size.width,
+            "height" => size.height,
+          }
+        rescue e
+          Logger.warn "Failed to read page #{i} of entry #{zip_path}. #{e}"
+          sizes << {"width" => 1000_i32, "height" => 1000_i32}
+        end
+      end
+    end
+    sizes
+  end
+
+  def examine : Bool
+    File.exists? @zip_path
+  end
+
+  def self.is_valid?(path : String) : Bool
+    is_supported_file path
+  end
+end

src/library/cache.cr

@@ -76,8 +76,8 @@ class SortedEntriesCacheEntry < CacheEntry(Array(String), Array(Entry))
                    entries : Array(Entry), opt : SortOptions?)
     entries_sig = Digest::SHA1.hexdigest (entries.map &.id).to_s
     user_context = opt && opt.method == SortMethod::Progress ? username : ""
-    sig = Digest::SHA1.hexdigest (book_id + entries_sig + user_context +
-                                  (opt ? opt.to_tuple.to_s : "nil"))
+    sig = Digest::SHA1.hexdigest(book_id + entries_sig + user_context +
+                                 (opt ? opt.to_tuple.to_s : "nil"))
     "#{sig}:sorted_entries"
   end
 end
@@ -101,8 +101,8 @@ class SortedTitlesCacheEntry < CacheEntry(Array(String), Array(Title))
   def self.gen_key(username : String, titles : Array(Title), opt : SortOptions?)
     titles_sig = Digest::SHA1.hexdigest (titles.map &.id).to_s
     user_context = opt && opt.method == SortMethod::Progress ? username : ""
-    sig = Digest::SHA1.hexdigest (titles_sig + user_context +
-                                  (opt ? opt.to_tuple.to_s : "nil"))
+    sig = Digest::SHA1.hexdigest(titles_sig + user_context +
+                                 (opt ? opt.to_tuple.to_s : "nil"))
     "#{sig}:sorted_titles"
   end
 end

src/library/dir_entry.cr

@@ -0,0 +1,132 @@
+require "yaml"
+
+require "./entry"
+
+class DirEntry < Entry
+  include YAML::Serializable
+
+  getter dir_path : String
+
+  @[YAML::Field(ignore: true)]
+  @sorted_files : Array(String)?
+
+  @signature : String
+
+  def initialize(@dir_path, @book)
+    storage = Storage.default
+    @path = @dir_path
+    @encoded_path = URI.encode @dir_path
+    @title = File.basename @dir_path
+    @encoded_title = URI.encode @title
+
+    unless File.readable? @dir_path
+      @err_msg = "Directory #{@dir_path} is not readable."
+      Logger.warn "#{@err_msg} Please make sure the " \
+                  "file permission is configured correctly."
+      return
+    end
+
+    unless DirEntry.is_valid? @dir_path
+      @err_msg = "Directory #{@dir_path} is not valid directory entry."
+      Logger.warn "#{@err_msg} Please make sure the " \
+                  "directory has valid images."
+      return
+    end
+
+    size_sum = 0
+    sorted_files.each do |file_path|
+      size_sum += File.size file_path
+    end
+    @size = size_sum.humanize_bytes
+
+    @signature = Dir.directory_entry_signature @dir_path
+    id = storage.get_entry_id @dir_path, @signature
+    if id.nil?
+      id = random_str
+      storage.insert_entry_id({
+        path:      @dir_path,
+        id:        id,
+        signature: @signature,
+      })
+    end
+    @id = id
+
+    @mtime = sorted_files.map do |file_path|
+      File.info(file_path).modification_time
+    end.max
+    @pages = sorted_files.size
+  end
+
+  def read_page(page_num)
+    img = nil
+    begin
+      files = sorted_files
+      file_path = files[page_num - 1]
+      data = File.read(file_path).to_slice
+      if data
+        img = Image.new data, MIME.from_filename(file_path),
+          File.basename(file_path), data.size
+      end
+    rescue e
+      Logger.warn "Unable to read page #{page_num} of #{@dir_path}. Error: #{e}"
+    end
+    img
+  end
+
+  def page_dimensions
+    sizes = [] of Hash(String, Int32)
+    sorted_files.each_with_index do |path, i|
+      data = File.read(path).to_slice
+      begin
+        data.not_nil!
+        size = ImageSize.get data
+        sizes << {
+          "width"  => size.width,
+          "height" => size.height,
+        }
+      rescue e
+        Logger.warn "Failed to read page #{i} of entry #{@dir_path}. #{e}"
+        sizes << {"width" => 1000_i32, "height" => 1000_i32}
+      end
+    end
+    sizes
+  end
+
+  def examine : Bool
+    existence = File.exists? @dir_path
+    return false unless existence
+    files = DirEntry.image_files @dir_path
+    signature = Dir.directory_entry_signature @dir_path
+    existence = files.size > 0 && @signature == signature
+    @sorted_files = nil unless existence
+
+    # For more efficient, update a directory entry with new property
+    # and return true like Title.examine
+    existence
+  end
+
+  def sorted_files
+    cached_sorted_files = @sorted_files
+    return cached_sorted_files if cached_sorted_files
+    @sorted_files = DirEntry.sorted_image_files @dir_path
+    @sorted_files.not_nil!
+  end
+
+  def self.image_files(dir_path)
+    Dir.entries(dir_path)
+      .reject(&.starts_with? ".")
+      .map { |fn| File.join dir_path, fn }
+      .select { |fn| is_supported_image_file fn }
+      .reject { |fn| File.directory? fn }
+      .select { |fn| File.readable? fn }
+  end
+
+  def self.sorted_image_files(dir_path)
+    self.image_files(dir_path)
+      .sort { |a, b| compare_numerically a, b }
+  end
+
+  def self.is_valid?(path : String) : Bool
+    image_files(path).size > 0
+  end
+end

src/library/entry.cr

@@ -1,66 +1,55 @@
 require "image_size"
-require "yaml"
 
-class Entry
-  include YAML::Serializable
+private def node_has_key(node : YAML::Nodes::Mapping, key : String)
+  node.nodes
+    .map_with_index { |n, i| {n, i} }
+    .select(&.[1].even?)
+    .map(&.[0])
+    .select(YAML::Nodes::Scalar)
+    .map(&.as(YAML::Nodes::Scalar).value)
+    .includes? key
+end
 
-  getter zip_path : String, book : Title, title : String,
-    size : String, pages : Int32, id : String, encoded_path : String,
-    encoded_title : String, mtime : Time, err_msg : String?
+abstract class Entry
+  getter id : String, book : Title, title : String, path : String,
+    size : String, pages : Int32, mtime : Time,
+    encoded_path : String, encoded_title : String, err_msg : String?
 
-  @[YAML::Field(ignore: true)]
-  @sort_title : String?
+  def initialize(
+    @id, @title, @book, @path,
+    @size, @pages, @mtime,
+    @encoded_path, @encoded_title, @err_msg
+  )
+  end
 
-  def initialize(@zip_path, @book)
-    storage = Storage.default
-    @encoded_path = URI.encode @zip_path
-    @title = File.basename @zip_path, File.extname @zip_path
-    @encoded_title = URI.encode @title
-    @size = (File.size @zip_path).humanize_bytes
-    id = storage.get_entry_id @zip_path, File.signature(@zip_path)
-    if id.nil?
-      id = random_str
-      storage.insert_entry_id({
-        path:      @zip_path,
-        id:        id,
-        signature: File.signature(@zip_path).to_s,
-      })
+  def self.new(ctx : YAML::ParseContext, node : YAML::Nodes::Node)
+    unless node.is_a? YAML::Nodes::Mapping
+      raise "Unexpected node type in YAML"
     end
-    @id = id
-    @mtime = File.info(@zip_path).modification_time
-
-    unless File.readable? @zip_path
-      @err_msg = "File #{@zip_path} is not readable."
-      Logger.warn "#{@err_msg} Please make sure the " \
-                  "file permission is configured correctly."
-      return
+    # Doing YAML::Any.new(ctx, node) here causes a weird error, so
+    #   instead we are using a more hacky approach (see `node_has_key`).
+    # TODO: Use a more elegant approach
+    if node_has_key node, "zip_path"
+      ArchiveEntry.new ctx, node
+    elsif node_has_key node, "dir_path"
+      DirEntry.new ctx, node
+    else
+      raise "Unknown entry found in YAML cache. Try deleting the " \
+            "`library.yml.gz` file"
     end
-
-    archive_exception = validate_archive @zip_path
-    unless archive_exception.nil?
-      @err_msg = "Archive error: #{archive_exception}"
-      Logger.warn "Unable to extract archive #{@zip_path}. " \
-                  "Ignoring it. #{@err_msg}"
-      return
-    end
-
-    file = ArchiveFile.new @zip_path
-    @pages = file.entries.count do |e|
-      SUPPORTED_IMG_TYPES.includes? \
-        MIME.from_filename? e.filename
-    end
-    file.close
   end
 
   def build_json(*, slim = false)
     JSON.build do |json|
       json.object do
-        {% for str in %w(zip_path title size id) %}
-        json.field {{str}}, @{{str.id}}
+        {% for str in %w(path title size id) %}
+        json.field {{str}}, {{str.id}}
       {% end %}
         if err_msg
           json.field "err_msg", err_msg
         end
+        json.field "zip_path", path # for API backward compatability
+        json.field "path", path
         json.field "title_id", @book.id
         json.field "title_title", @book.title
         json.field "sort_title", sort_title
@@ -74,6 +63,9 @@ class Entry
     end
   end
 
+  @[YAML::Field(ignore: true)]
+  @sort_title : String?
+
   def sort_title
     sort_title_cached = @sort_title
     return sort_title_cached if sort_title_cached
@@ -131,58 +123,6 @@ class Entry
     url
   end
 
-  private def sorted_archive_entries
-    ArchiveFile.open @zip_path do |file|
-      entries = file.entries
-        .select { |e|
-          SUPPORTED_IMG_TYPES.includes? \
-            MIME.from_filename? e.filename
-        }
-        .sort! { |a, b|
-          compare_numerically a.filename, b.filename
-        }
-      yield file, entries
-    end
-  end
-
-  def read_page(page_num)
-    raise "Unreadble archive. #{@err_msg}" if @err_msg
-    img = nil
-    begin
-      sorted_archive_entries do |file, entries|
-        page = entries[page_num - 1]
-        data = file.read_entry page
-        if data
-          img = Image.new data, MIME.from_filename(page.filename),
-            page.filename, data.size
-        end
-      end
-    rescue e
-      Logger.warn "Unable to read page #{page_num} of #{@zip_path}. Error: #{e}"
-    end
-    img
-  end
-
-  def page_dimensions
-    sizes = [] of Hash(String, Int32)
-    sorted_archive_entries do |file, entries|
-      entries.each_with_index do |e, i|
-        begin
-          data = file.read_entry(e).not_nil!
-          size = ImageSize.get data
-          sizes << {
-            "width"  => size.width,
-            "height" => size.height,
-          }
-        rescue e
-          Logger.warn "Failed to read page #{i} of entry #{zip_path}. #{e}"
-          sizes << {"width" => 1000_i32, "height" => 1000_i32}
-        end
-      end
-    end
-    sizes
-  end
-
   def next_entry(username)
     entries = @book.sorted_entries username
     idx = entries.index self
@@ -197,20 +137,6 @@ class Entry
     entries[idx - 1]
   end
 
-  def date_added
-    date_added = nil
-    TitleInfo.new @book.dir do |info|
-      info_da = info.date_added[@title]?
-      if info_da.nil?
-        date_added = info.date_added[@title] = ctime @zip_path
-        info.save
-      else
-        date_added = info_da
-      end
-    end
-    date_added.not_nil! # is it ok to set not_nil! here?
-  end
-
   # For backward backward compatibility with v0.1.0, we save entry titles
   #   instead of IDs in info.json
   def save_progress(username, page)
@@ -290,7 +216,7 @@ class Entry
       end
       Storage.default.save_thumbnail @id, img
     rescue e
-      Logger.warn "Failed to generate thumbnail for file #{@zip_path}. #{e}"
+      Logger.warn "Failed to generate thumbnail for file #{path}. #{e}"
     end
 
     img
@@ -299,4 +225,34 @@ class Entry
   def get_thumbnail : Image?
     Storage.default.get_thumbnail @id
   end
+
+  def date_added : Time
+    date_added = Time::UNIX_EPOCH
+    TitleInfo.new @book.dir do |info|
+      info_da = info.date_added[@title]?
+      if info_da.nil?
+        date_added = info.date_added[@title] = ctime path
+        info.save
+      else
+        date_added = info_da
+      end
+    end
+    date_added
+  end
+
+  # Hack to have abstract class methods
+  # https://github.com/crystal-lang/crystal/issues/5956
+  private module ClassMethods
+    abstract def is_valid?(path : String) : Bool
+  end
+
+  macro inherited
+    extend ClassMethods
+  end
+
+  abstract def read_page(page_num)
+
+  abstract def page_dimensions
+
+  abstract def examine : Bool?
 end

src/library/title.cr

@@ -49,13 +49,18 @@ class Title
       path = File.join dir, fn
       if File.directory? path
         title = Title.new path, @id, cache
-        next if title.entries.size == 0 && title.titles.size == 0
-        Library.default.title_hash[title.id] = title
-        @title_ids << title.id
+        unless title.entries.size == 0 && title.titles.size == 0
+          Library.default.title_hash[title.id] = title
+          @title_ids << title.id
+        end
+        if DirEntry.is_valid? path
+          entry = DirEntry.new path, self
+          @entries << entry if entry.pages > 0 || entry.err_msg
+        end
         next
       end
       if is_supported_file path
-        entry = Entry.new path, self
+        entry = ArchiveEntry.new path, self
         @entries << entry if entry.pages > 0 || entry.err_msg
       end
     end
@@ -127,12 +132,12 @@ class Title
 
     previous_entries_size = @entries.size
     @entries.select! do |entry|
-      existence = File.exists? entry.zip_path
+      existence = entry.examine
       Fiber.yield
       context["deleted_entry_ids"] << entry.id unless existence
       existence
     end
-    remained_entry_zip_paths = @entries.map &.zip_path
+    remained_entry_paths = @entries.map &.path
 
     is_titles_added = false
     is_entries_added = false
@@ -140,29 +145,43 @@ class Title
       next if fn.starts_with? "."
       path = File.join dir, fn
       if File.directory? path
+        unless remained_entry_paths.includes? path
+          if DirEntry.is_valid? path
+            entry = DirEntry.new path, self
+            if entry.pages > 0 || entry.err_msg
+              @entries << entry
+              is_entries_added = true
+              context["deleted_entry_ids"].select! do |deleted_entry_id|
+                entry.id != deleted_entry_id
+              end
+            end
+          end
+        end
+
         next if remained_title_dirs.includes? path
         title = Title.new path, @id, context["cached_contents_signature"]
-        next if title.entries.size == 0 && title.titles.size == 0
-        Library.default.title_hash[title.id] = title
-        @title_ids << title.id
-        is_titles_added = true
+        unless title.entries.size == 0 && title.titles.size == 0
+          Library.default.title_hash[title.id] = title
+          @title_ids << title.id
+          is_titles_added = true
 
-        # We think they are removed, but they are here!
-        # Cancel reserved jobs
-        revival_title_ids = [title.id] + title.deep_titles.map &.id
-        context["deleted_title_ids"].select! do |deleted_title_id|
-          !(revival_title_ids.includes? deleted_title_id)
-        end
-        revival_entry_ids = title.deep_entries.map &.id
-        context["deleted_entry_ids"].select! do |deleted_entry_id|
-          !(revival_entry_ids.includes? deleted_entry_id)
+          # We think they are removed, but they are here!
+          # Cancel reserved jobs
+          revival_title_ids = [title.id] + title.deep_titles.map &.id
+          context["deleted_title_ids"].select! do |deleted_title_id|
+            !(revival_title_ids.includes? deleted_title_id)
+          end
+          revival_entry_ids = title.deep_entries.map &.id
+          context["deleted_entry_ids"].select! do |deleted_entry_id|
+            !(revival_entry_ids.includes? deleted_entry_id)
+          end
         end
 
         next
       end
       if is_supported_file path
-        next if remained_entry_zip_paths.includes? path
-        entry = Entry.new path, self
+        next if remained_entry_paths.includes? path
+        entry = ArchiveEntry.new path, self
         if entry.pages > 0 || entry.err_msg
           @entries << entry
           is_entries_added = true
@@ -613,6 +632,16 @@ class Title
 
     if last_read_entry && last_read_entry.finished? username
       last_read_entry = last_read_entry.next_entry username
+      if last_read_entry.nil?
+        # The last entry is finished. Return the first unfinished entry
+        #   (if any)
+        sorted_entries(username).each do |e|
+          unless e.finished? username
+            last_read_entry = e
+            break
+          end
+        end
+      end
     end
 
     last_read_entry
@@ -627,7 +656,7 @@ class Title
 
     @entries.each do |e|
       next if da.has_key? e.title
-      da[e.title] = ctime e.zip_path
+      da[e.title] = ctime e.path
     end
 
     TitleInfo.new @dir do |info|

src/library/types.cr

@@ -1,13 +1,3 @@
-SUPPORTED_IMG_TYPES = %w(
-  image/jpeg
-  image/png
-  image/webp
-  image/apng
-  image/avif
-  image/gif
-  image/svg+xml
-)
-
 enum SortMethod
   Auto
   Title

src/logger.cr

@@ -38,6 +38,7 @@ class Logger
     Log.setup do |c|
       c.bind "*", @@severity, @backend
       c.bind "db.*", :error, @backend
+      c.bind "duktape", :none, @backend
     end
   end
 

src/mango.cr

@@ -7,7 +7,7 @@ require "option_parser"
 require "clim"
 require "tallboy"
 
-MANGO_VERSION = "0.26.1"
+MANGO_VERSION = "0.27.0"
 
 # From http://www.network-science.de/ascii/
 BANNER = %{

src/plugin/plugin.cr

@@ -105,9 +105,10 @@ class Plugin
   getter js_path = ""
   getter storage_path = ""
 
-  def self.build_info_ary
+  def self.build_info_ary(dir : String? = nil)
     @@info_ary.clear
-    dir = Config.current.plugin_path
+    dir ||= Config.current.plugin_path
+
     Dir.mkdir_p dir unless Dir.exists? dir
 
     Dir.each_child dir do |f|
@@ -160,8 +161,8 @@ class Plugin
     list.save
   end
 
-  def initialize(id : String)
-    Plugin.build_info_ary
+  def initialize(id : String, dir : String? = nil)
+    Plugin.build_info_ary dir
 
     @info = @@info_ary.find &.id.== id
     if @info.nil?
@@ -223,6 +224,10 @@ class Plugin
     raise Error.new "Missing required fields in the Page type"
   end
 
+  def can_subscribe? : Bool
+    info.version > 1 && eval_exists?("newChapters")
+  end
+
   def search_manga(query : String)
     if info.version == 1
       raise Error.new "Manga searching is only available for plugins " \
@@ -315,7 +320,7 @@ class Plugin
     json
   end
 
-  private def eval(str)
+  def eval(str)
     @rt.eval str
   rescue e : Duktape::SyntaxError
     raise SyntaxError.new e.message
@@ -327,6 +332,15 @@ class Plugin
     JSON.parse eval(str).as String
   end
 
+  private def eval_exists?(str) : Bool
+    @rt.eval str
+    true
+  rescue e : Duktape::ReferenceError
+    false
+  rescue e : Duktape::Error
+    raise Error.new e.message
+  end
+
   private def def_helper_functions(sbx)
     sbx.push_object
 
@@ -435,9 +449,15 @@ class Plugin
       env = Duktape::Sandbox.new ptr
       html = env.require_string 0
 
-      str = XML.parse(html).inner_text
+      begin
+        parser = Myhtml::Parser.new html
+        str = parser.body!.children.first.inner_text
+
+        env.push_string str
+      rescue
+        env.push_string ""
+      end
 
-      env.push_string str
       env.call_success
     end
     sbx.put_prop_string -2, "text"
@@ -448,8 +468,9 @@ class Plugin
       name = env.require_string 1
 
       begin
-        attr = XML.parse(html).first_element_child.not_nil![name]
-        env.push_string attr
+        parser = Myhtml::Parser.new html
+        attr = parser.body!.children.first.attribute_by name
+        env.push_string attr.not_nil!
       rescue
         env.push_undefined
       end

src/routes/api.cr

@@ -40,7 +40,7 @@ struct APIRouter
     Koa.schema "entry", {
       "pages" => Int32,
       "mtime" => Int64,
-    }.merge(s %w(zip_path title size id title_id display_name cover_url)),
+    }.merge(s %w(zip_path path title size id title_id display_name cover_url)),
       desc: "An entry in a book"
 
     Koa.schema "title", {
@@ -142,8 +142,13 @@ struct APIRouter
           env.response.status_code = 304
           ""
         else
+          if entry.is_a? DirEntry
+            cache_control = "no-cache, max-age=86400"
+          else
+            cache_control = "public, max-age=86400"
+          end
           env.response.headers["ETag"] = e_tag
-          env.response.headers["Cache-Control"] = "public, max-age=86400"
+          env.response.headers["Cache-Control"] = cache_control
           send_img env, img
         end
       rescue e
@@ -866,13 +871,15 @@ struct APIRouter
         "version"      => Int32,
         "settings"     => {} of String => String,
       },
+      "subscribable" => Bool,
     }
     get "/api/admin/plugin/info" do |env|
       begin
         plugin = Plugin.new env.params.query["plugin"].as String
         send_json env, {
-          "success" => true,
-          "info"    => plugin.info,
+          "success"      => true,
+          "info"         => plugin.info,
+          "subscribable" => plugin.can_subscribe?,
         }.to_json
       rescue e
         Logger.error e
@@ -1138,15 +1145,24 @@ struct APIRouter
         entry = title.get_entry eid
         raise "Entry ID `#{eid}` of `#{title.title}` not found" if entry.nil?
 
-        file_hash = Digest::SHA1.hexdigest (entry.zip_path + entry.mtime.to_s)
+        if entry.is_a? DirEntry
+          file_hash = Digest::SHA1.hexdigest(entry.path + entry.mtime.to_s + entry.size)
+        else
+          file_hash = Digest::SHA1.hexdigest(entry.path + entry.mtime.to_s)
+        end
         e_tag = "W/#{file_hash}"
         if e_tag == prev_e_tag
           env.response.status_code = 304
           send_text env, ""
         else
           sizes = entry.page_dimensions
+          if entry.is_a? DirEntry
+            cache_control = "no-cache, max-age=86400"
+          else
+            cache_control = "public, max-age=86400"
+          end
           env.response.headers["ETag"] = e_tag
-          env.response.headers["Cache-Control"] = "public, max-age=86400"
+          env.response.headers["Cache-Control"] = cache_control
           send_json env, {
             "success"    => true,
             "dimensions" => sizes,
@@ -1172,7 +1188,7 @@ struct APIRouter
         title = (Library.default.get_title env.params.url["tid"]).not_nil!
         entry = (title.get_entry env.params.url["eid"]).not_nil!
 
-        send_attachment env, entry.zip_path
+        send_attachment env, entry.path
       rescue e
         Logger.error e
         env.response.status_code = 404

src/routes/reader.cr

@@ -53,6 +53,7 @@ struct ReaderRouter
         render "src/views/reader.html.ecr"
       rescue e
         Logger.error e
+        Logger.debug e.backtrace?
         env.response.status_code = 404
       end
     end

src/server.cr

@@ -23,6 +23,7 @@ class Server
     AdminRouter.new
     ReaderRouter.new
     APIRouter.new
+    OPDSRouter.new
 
     {% for path in %w(/api/* /uploads/* /img/*) %}
       options {{path}} do |env|

src/util/signature.cr

@@ -19,7 +19,7 @@ class File
   #   information as long as the above changes do not happen together with
   #   a file/folder rename, with no library scan in between.
   def self.signature(filename) : UInt64
-    if is_supported_file filename
+    if ArchiveEntry.is_valid?(filename) || is_supported_image_file(filename)
       File.info(filename).inode
     else
       0u64
@@ -67,7 +67,9 @@ class Dir
         else
           # Only add its signature value to `signatures` when it is a
           #   supported file
-          signatures << fn if is_supported_file fn
+          if ArchiveEntry.is_valid?(fn) || is_supported_image_file(fn)
+            signatures << fn
+          end
         end
         Fiber.yield
       end
@@ -76,4 +78,19 @@ class Dir
     cache[dirname] = hash
     hash
   end
+
+  def self.directory_entry_signature(dirname, cache = {} of String => String)
+    return cache[dirname + "?entry"] if cache[dirname + "?entry"]?
+    Fiber.yield
+    signatures = [] of String
+    image_files = DirEntry.sorted_image_files dirname
+    if image_files.size > 0
+      image_files.each do |path|
+        signatures << File.signature(path).to_s
+      end
+    end
+    hash = Digest::SHA1.hexdigest(signatures.join)
+    cache[dirname + "?entry"] = hash
+    hash
+  end
 end

src/util/util.cr

@@ -1,8 +1,19 @@
 IMGS_PER_PAGE            = 5
 ENTRIES_IN_HOME_SECTIONS = 8
 UPLOAD_URL_PREFIX        = "/uploads"
-STATIC_DIRS              = %w(/css /js /img /webfonts /favicon.ico /robots.txt)
-SUPPORTED_FILE_EXTNAMES  = [".zip", ".cbz", ".rar", ".cbr"]
+STATIC_DIRS              = %w(/css /js /img /webfonts /favicon.ico /robots.txt
+  /manifest.json)
+SUPPORTED_FILE_EXTNAMES = [".zip", ".cbz", ".rar", ".cbr"]
+SUPPORTED_IMG_TYPES     = %w(
+  image/jpeg
+  image/png
+  image/webp
+  image/apng
+  image/avif
+  image/gif
+  image/svg+xml
+  image/jxl
+)
 
 def random_str
   UUID.random.to_s.gsub "-", ""
@@ -40,6 +51,7 @@ def register_mime_types
     #   defiend by Crystal in `MIME.DEFAULT_TYPES`
     ".apng" => "image/apng",
     ".avif" => "image/avif",
+    ".jxl"  => "image/jxl",
   }.each do |k, v|
     MIME.register k, v
   end
@@ -49,6 +61,10 @@ def is_supported_file(path)
   SUPPORTED_FILE_EXTNAMES.includes? File.extname(path).downcase
 end
 
+def is_supported_image_file(path)
+  SUPPORTED_IMG_TYPES.includes? MIME.from_filename? path
+end
+
 struct Int
   def or(other : Int)
     if self == 0
@@ -80,9 +96,9 @@ class String
   end
 end
 
-def env_is_true?(key : String) : Bool
+def env_is_true?(key : String, default : Bool = false) : Bool
   val = ENV[key.upcase]? || ENV[key.downcase]?
-  return false unless val
+  return default unless val
   val.downcase.in? "1", "true"
 end
 
@@ -168,7 +184,7 @@ def delete_cache_and_exit(path : String)
   File.delete path
   Logger.fatal "Invalid library cache deleted. Mango needs to " \
                "perform a full reset to recover from this. " \
-               "Pleae restart Mango. This is NOT a bug."
+               "Please restart Mango. This is NOT a bug."
   Logger.fatal "Exiting"
   exit 1
 end

src/views/opds/title.xml.ecr

@@ -29,7 +29,7 @@
         <link rel="http://opds-spec.org/image" href="<%= e.cover_url %>" />
         <link rel="http://opds-spec.org/image/thumbnail" href="<%= e.cover_url %>" />
 
-        <link rel="http://opds-spec.org/acquisition" href="<%= base_url %>api/download/<%= e.book.id %>/<%= e.id %>" title="Read" type="<%= MIME.from_filename e.zip_path %>" />
+        <link rel="http://opds-spec.org/acquisition" href="<%= base_url %>api/download/<%= e.book.id %>/<%= e.id %>" title="Read" type="<%= MIME.from_filename e.path %>" />
 
         <link type="text/html" rel="alternate" title="Read in Mango" href="<%= base_url %>reader/<%= e.book.id %>/<%= e.id %>" />
         <link type="text/html" rel="alternate" title="Open in Mango" href="<%= base_url %>book/<%= e.book.id %>" />

src/views/plugin-download.html.ecr

@@ -133,8 +133,10 @@
           </template>
           <button class="uk-button uk-button-primary" @click.prevent="applyFilters()">Apply</button>
           <button class="uk-button uk-button-default" @click.prevent="clearFilters()">Clear</button>
-          <span class="uk-divider-vertical uk-margin-left uk-margin-right"></span>
-          <button class="uk-button uk-button-default" @click.prevent="UIkit.modal($refs.modal).show()" :disable="subscribing">Subscribe</button>
+          <span x-show="subscribable">
+            <span class="uk-divider-vertical uk-margin-left uk-margin-right"></span>
+            <button class="uk-button uk-button-default" @click.prevent="UIkit.modal($refs.modal).show()" :disable="subscribing">Subscribe</button>
+          </span>
         </form>
 
         <p class="uk-text-meta" x-show="chapters && chapters.length > chaptersLimit" x-text="`The manga has ${chapters ? chapters.length : 0} chapters, but Mango can only list up to ${chaptersLimit}. Please use the filters to narrow down your search.`"></p>

src/views/reader-error.html.ecr

@@ -5,7 +5,7 @@
       <div>
         <h3 class="uk-modal-title uk-margin-remove-top">Error</h3>
       </div>
-      <p class="uk-text-meta uk-margin-remove-bottom"><%= entry.zip_path %></p>
+      <p class="uk-text-meta uk-margin-remove-bottom"><%= entry.path %></p>
       <p class="uk-text-meta uk-margin-remove-top"><%= entry.err_msg %></p>
     </div>
     <div class="uk-modal-body">

src/views/reader.html.ecr

@@ -5,7 +5,7 @@
   <%= render_component "head" %>
 
   <body style="position:relative;" x-data="readerComponent()" x-init="init($nextTick)" @resize.window="resized()">
-    <div class="uk-section uk-section-default uk-section-small reader-bg" :style="mode === 'continuous' ? '' : 'padding:0'">
+    <div class="uk-section uk-section-default uk-section-small reader-bg" :style="mode === 'continuous' ? '' : 'padding:0; position: relative;'">
 
       <div @keydown.window.debounce="keyHandler($event)"></div>
 
@@ -19,7 +19,7 @@
       </div>
 
       <div
-        :class="{'uk-container': true, 'uk-container-small': mode === 'continuous', 'uk-container-expand': mode !== 'continuous'}">
+        :class="{'uk-container': true, 'uk-container-small': mode === 'continuous', 'uk-container-expand': mode !== 'continuous'}" style="width: fit-content;">
         <div x-show="!loading && mode === 'continuous'" x-cloak>
           <template x-if="!loading && mode === 'continuous'" x-for="item in items">
             <img
@@ -30,7 +30,7 @@
               :height="item.height"
               :id="item.id"
               :style="`margin-top:${margin}px; margin-bottom:${margin}px`"
-              @click="showControl($event)"
+              @click="clickImage($event)"
               />
           </template>
           <%- if next_entry_url -%>
@@ -40,18 +40,18 @@
           <%- end -%>
         </div>
 
-        <div x-cloak x-show="!loading && mode !== 'continuous'" class="uk-flex uk-flex-middle" style="height:100vh">
+        <div x-cloak x-show="!loading && mode !== 'continuous'" class="uk-flex uk-flex-middle" :style="`height:${fitType === 'vert' ? '100vh' : ''}; min-width: fit-content;`">
 
           <img uk-img :class="{
                                'uk-align-center': true, 
                                'uk-animation-slide-left': flipAnimation === 'left', 
                                'uk-animation-slide-right': flipAnimation === 'right'
-                               }" :data-src="curItem.url" :width="curItem.width" :height="curItem.height" :id="curItem.id" @click="showControl($event)" :style="`
-                                                                                                                                                                 width:${mode === 'width' ? '100vw' : 'auto'}; 
-                                                                                                                                                                 height:${mode === 'height' ? '100vh' : 'auto'}; 
+                               }" :data-src="curItem.url" :width="curItem.width" :height="curItem.height" :id="curItem.id" @click="clickImage($event)" :style="`
+                                                                                                                                                                 width:${fitType === 'horz' ? '100vw' : 'auto'}; 
+                                                                                                                                                                 height:${fitType === 'vert' ? '100vh' : 'auto'}; 
                                                                                                                                                                  margin-bottom:0;
-                                                                                                                                                                 max-width:100%;
-                                                                                                                                                                 max-height:100%;
+                                                                                                                                                                 max-width:${fitType === 'horz' ? '100%' : fitType === 'vert' ? '' : 'none' };
+                                                                                                                                                                 max-height:${fitType === 'vert' ? '100%' : fitType === 'horz' ? '' : 'none'};
                                                                                                                                                                  object-fit: contain;
                                                                                                                                                                  `" />
 
@@ -67,7 +67,7 @@
         <button class="uk-modal-close-default" type="button" uk-close></button>
         <div class="uk-modal-header">
           <h3 class="uk-modal-title break-word"><%= entry.display_name %></h3>
-          <p class="uk-text-meta uk-margin-remove-bottom break-word"><%= entry.zip_path %></p>
+          <p class="uk-text-meta uk-margin-remove-bottom break-word"><%= entry.path %></p>
         </div>
         <div class="uk-modal-body">
           <div class="uk-margin">
@@ -94,6 +94,17 @@
             </div>
           </div>
 
+          <div class="uk-margin" x-show="mode !== 'continuous'">
+            <label class="uk-form-label" for="mode-select">Page fit</label>
+            <div class="uk-form-controls">
+              <select id="fit-select" class="uk-select" @change="fitChanged()">
+                <option value="vert">Fit height</option>
+                <option value="horz">Fit width</option>
+                <option value="real">Real size</option>
+              </select>
+            </div>
+          </div>
+
           <div class="uk-margin" x-show="mode === 'continuous'">
             <label class="uk-form-label" for="margin-range" x-text="`Page Margin: ${margin}px`"></label>
             <div class="uk-form-controls">