Bump version to v0.18.3

docs: add h45h74x as a contributor

.all-contributorsrc

@@ -0,0 +1,102 @@
+{
+  "projectName": "Mango",
+  "projectOwner": "hkalexling",
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "commitConvention": "none",
+  "contributors": [
+    {
+      "login": "hkalexling",
+      "name": "Alex Ling",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/7845831?v=4",
+      "profile": "https://github.com/hkalexling/",
+      "contributions": [
+        "code",
+        "doc",
+        "infra"
+      ]
+    },
+    {
+      "login": "jaredlt",
+      "name": "jaredlt",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/8590311?v=4",
+      "profile": "https://github.com/jaredlt",
+      "contributions": [
+        "code",
+        "ideas",
+        "design"
+      ]
+    },
+    {
+      "login": "shincurry",
+      "name": "ココロ",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/4946624?v=4",
+      "profile": "https://windisco.com/",
+      "contributions": [
+        "infra"
+      ]
+    },
+    {
+      "login": "noirscape",
+      "name": "Valentijn",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/13433513?v=4",
+      "profile": "https://catgirlsin.space/",
+      "contributions": [
+        "infra"
+      ]
+    },
+    {
+      "login": "flying-sausages",
+      "name": "flying-sausages",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/23618693?v=4",
+      "profile": "https://github.com/flying-sausages",
+      "contributions": [
+        "doc",
+        "ideas"
+      ]
+    },
+    {
+      "login": "XavierSchiller",
+      "name": "Xavier",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/22575255?v=4",
+      "profile": "https://github.com/XavierSchiller",
+      "contributions": [
+        "infra"
+      ]
+    },
+    {
+      "login": "WROIATE",
+      "name": "Jarao",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/44677306?v=4",
+      "profile": "https://github.com/WROIATE",
+      "contributions": [
+        "infra"
+      ]
+    },
+    {
+      "login": "Leeingnyo",
+      "name": "이인용",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/6760150?v=4",
+      "profile": "https://github.com/Leeingnyo",
+      "contributions": [
+        "code"
+      ]
+    },
+    {
+      "login": "h45h74x",
+      "name": "Simon",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/27204033?v=4",
+      "profile": "http://h45h74x.eu.org",
+      "contributions": [
+        "code"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7,
+  "skipCi": true
+}

README.md

@@ -52,7 +52,7 @@ The official docker images are available on [Dockerhub](https://hub.docker.com/r
 ### CLI
 
 ```
-  Mango - Manga Server and Web Reader. Version 0.17.1
+  Mango - Manga Server and Web Reader. Version 0.18.3
 
   Usage:
 
@@ -87,18 +87,22 @@ log_level: info
 upload_path: ~/mango/uploads
 plugin_path: ~/mango/plugins
 download_timeout_seconds: 30
+page_margin: 30
+disable_login: false
+default_username: ""
 mangadex:
   base_url: https://mangadex.org
   api_url: https://mangadex.org/api
   download_wait_seconds: 5
   download_retries: 4
-  download_queue_db_path: /home/alex_ling/mango/queue.db
+  download_queue_db_path: ~/mango/queue.db
   chapter_rename_rule: '[Vol.{volume} ][Ch.{chapter} ]{title|id}'
   manga_rename_rule: '{title}'
 ```
 
 - `scan_interval_minutes`, `thumbnail_generation_interval_hours` and `db_optimization_interval_hours` can be any non-negative integer. Setting them to `0` disables the periodic tasks
 - `log_level` can be `debug`, `info`, `warn`, `error`, `fatal` or `off`. Setting it to `off` disables the logging
+- You can disable authentication by setting `disable_login` to true. Note that `default_username` must be set to an existing username for this to work.
 
 ### Library Structure
 
@@ -153,5 +157,26 @@ Mobile UI:
 ## Contributors
 
 Please check the [development guideline](https://github.com/hkalexling/Mango/wiki/Development) if you are interested in code contributions.
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>
+    <td align="center"><a href="https://github.com/hkalexling/"><img src="https://avatars1.githubusercontent.com/u/7845831?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Alex Ling</b></sub></a><br /><a href="https://github.com/hkalexling/Mango/commits?author=hkalexling" title="Code">💻</a> <a href="https://github.com/hkalexling/Mango/commits?author=hkalexling" title="Documentation">📖</a> <a href="#infra-hkalexling" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+    <td align="center"><a href="https://github.com/jaredlt"><img src="https://avatars1.githubusercontent.com/u/8590311?v=4?s=100" width="100px;" alt=""/><br /><sub><b>jaredlt</b></sub></a><br /><a href="https://github.com/hkalexling/Mango/commits?author=jaredlt" title="Code">💻</a> <a href="#ideas-jaredlt" title="Ideas, Planning, & Feedback">🤔</a> <a href="#design-jaredlt" title="Design">🎨</a></td>
+    <td align="center"><a href="https://windisco.com/"><img src="https://avatars1.githubusercontent.com/u/4946624?v=4?s=100" width="100px;" alt=""/><br /><sub><b>ココロ</b></sub></a><br /><a href="#infra-shincurry" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+    <td align="center"><a href="https://catgirlsin.space/"><img src="https://avatars0.githubusercontent.com/u/13433513?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Valentijn</b></sub></a><br /><a href="#infra-noirscape" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+    <td align="center"><a href="https://github.com/flying-sausages"><img src="https://avatars1.githubusercontent.com/u/23618693?v=4?s=100" width="100px;" alt=""/><br /><sub><b>flying-sausages</b></sub></a><br /><a href="https://github.com/hkalexling/Mango/commits?author=flying-sausages" title="Documentation">📖</a> <a href="#ideas-flying-sausages" title="Ideas, Planning, & Feedback">🤔</a></td>
+    <td align="center"><a href="https://github.com/XavierSchiller"><img src="https://avatars1.githubusercontent.com/u/22575255?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Xavier</b></sub></a><br /><a href="#infra-XavierSchiller" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+    <td align="center"><a href="https://github.com/WROIATE"><img src="https://avatars3.githubusercontent.com/u/44677306?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jarao</b></sub></a><br /><a href="#infra-WROIATE" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a></td>
+  </tr>
+  <tr>
+    <td align="center"><a href="https://github.com/Leeingnyo"><img src="https://avatars0.githubusercontent.com/u/6760150?v=4?s=100" width="100px;" alt=""/><br /><sub><b>이인용</b></sub></a><br /><a href="https://github.com/hkalexling/Mango/commits?author=Leeingnyo" title="Code">💻</a></td>
+    <td align="center"><a href="http://h45h74x.eu.org"><img src="https://avatars1.githubusercontent.com/u/27204033?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Simon</b></sub></a><br /><a href="https://github.com/hkalexling/Mango/commits?author=h45h74x" title="Code">💻</a></td>
+  </tr>
+</table>
 
-[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/0)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/0)[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/1)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/1)[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/2)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/2)[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/3)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/3)[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/4)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/4)[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/5)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/5)[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/6)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/6)[![](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/images/7)](https://sourcerer.io/fame/hkalexling/hkalexling/Mango/links/7)
+<!-- markdownlint-restore -->
+<!-- prettier-ignore-end -->
+
+<!-- ALL-CONTRIBUTORS-LIST:END -->

package.json

@@ -7,6 +7,7 @@
 	"license": "MIT",
 	"devDependencies": {
 		"@babel/preset-env": "^7.11.5",
+		"all-contributors-cli": "^6.19.0",
 		"gulp": "^4.0.2",
 		"gulp-babel": "^8.0.0",
 		"gulp-babel-minify": "^0.5.1",

public/css/mango.css

@@ -31,14 +31,6 @@
     cursor: pointer;
 }
 
-.uk-list li:not(.nopointer) {
-    cursor: pointer;
-}
-
-#scan-status {
-    cursor: auto;
-}
-
 .reader-bg {
     background-color: black;
 }

public/js/admin.js

@@ -1,68 +1,55 @@
-$(() => {
-	const setting = loadThemeSetting();
-	$('#theme-select').val(capitalize(setting));
-	$('#theme-select').change((e) => {
-		const newSetting = $(e.currentTarget).val().toLowerCase();
-		saveThemeSetting(newSetting);
-		setTheme();
-	});
+const component = () => {
+	return {
+		progress: 1.0,
+		generating: false,
+		scanning: false,
+		scanTitles: 0,
+		scanMs: -1,
+		themeSetting: '',
 
-	getProgress();
-	setInterval(getProgress, 5000);
-});
+		init() {
+			this.getProgress();
+			setInterval(() => {
+				this.getProgress();
+			}, 5000);
 
-/**
- * Capitalize String
- *
- * @function capitalize
- * @param {string} str - The string to be capitalized
- * @return {string} The capitalized string
- */
-const capitalize = (str) => {
-	return str.charAt(0).toUpperCase() + str.slice(1);
+			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;
+				})
+				.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;
+				});
+		},
+	};
 };
-
-/**
- * Get the thumbnail generation progress from the API
- *
- * @function getProgress
- */
-const getProgress = () => {
-	$.get(`${base_url}api/admin/thumbnail_progress`)
-		.then(data => {
-			setProp('progress', data.progress);
-			const generating = data.progress > 0
-			setProp('generating', generating);
-		});
-};
-
-/**
- * Trigger the thumbnail generation
- *
- * @function generateThumbnails
- */
-const generateThumbnails = () => {
-	setProp('generating', true);
-	setProp('progress', 0.0);
-	$.post(`${base_url}api/admin/generate_thumbnails`)
-		.then(getProgress);
-};
-
-/**
- * Trigger the scan
- *
- * @function scan
- */
-const scan = () => {
-	setProp('scanning', true);
-	setProp('scanMs', -1);
-	setProp('scanTitles', 0);
-	$.post(`${base_url}api/admin/scan`)
-		.then(data => {
-			setProp('scanMs', data.milliseconds);
-			setProp('scanTitles', data.titles);
-		})
-		.always(() => {
-			setProp('scanning', false);
-		});
-}

public/js/download-manager.js

@@ -1,124 +1,116 @@
-/**
- * Get the current queue and update the view
- *
- * @function load
- */
-const load = () => {
-	try {
-		setProp('loading', true);
-	} catch {}
-	$.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: ${data.error}`);
-				return;
+const component = () => {
+	return {
+		jobs: [],
+		paused: undefined,
+		loading: false,
+		toggling: false,
+		ws: undefined,
+
+		wsConnect(secure = true) {
+			const url = `${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/${action}`;
+			if (event) {
+				const id = event.currentTarget.closest('tr').id.split('-')[1];
+				url = `${url}?${$.param({
+					id: id
+				})}`;
 			}
-			setProp('jobs', data.jobs);
-			setProp('paused', data.paused);
-		})
-		.fail((jqXHR, status) => {
-			alert('danger', `Failed to fetch download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-		})
-		.always(() => {
-			setProp('loading', false);
-		});
-};
-
-/**
- * Perform an action on either a specific job or the entire queue
- *
- * @function jobAction
- * @param {string} action - The action to perform. Should be either 'delete' or 'retry'
- * @param {string?} id - (Optional) A job ID. When omitted, apply the action to the queue
- */
-const jobAction = (action, id) => {
-	let url = `${base_url}api/admin/mangadex/queue/${action}`;
-	if (id !== undefined)
-		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;
+			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;
 			}
-			load();
-		})
-		.fail((jqXHR, status) => {
-			alert('danger', `Failed to ${action} job from download queue. Error: [${jqXHR.status}] ${jqXHR.statusText}`);
-		});
-};
-
-/**
- * Pause/resume the download
- *
- * @function toggle
- */
-const toggle = () => {
-	setProp('toggling', true);
-	const action = getProp('paused') ? 'resume' : 'pause';
-	const url = `${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}] ${jqXHR.statusText}`);
-		})
-		.always(() => {
-			load();
-			setProp('toggling', false);
-		});
-};
-
-/**
- * Get the uk-label class name for a given job status
- *
- * @function statusClass
- * @param {string} status - The job status
- * @return {string} The class name string
- */
-const statusClass = status => {
-	let cls = 'label ';
-	switch (status) {
-		case 'Pending':
-			cls += 'label-pending';
-			break;
-		case 'Completed':
-			cls += 'label-success';
-			break;
-		case 'Error':
-			cls += 'label-danger';
-			break;
-		case 'MissingPages':
-			cls += 'label-warning';
-			break;
-	}
-	return cls;
-};
-
-$(() => {
-	const ws = new WebSocket(`ws://${location.host}/api/admin/mangadex/queue`);
-	ws.onmessage = event => {
-		const data = JSON.parse(event.data);
-		setProp('jobs', data.jobs);
-		setProp('paused', data.paused);
+			return cls;
+		}
 	};
-	ws.onerror = err => {
-		alert('danger', `Socket connection failed. Error: ${err}`);
-	};
-	ws.onclose = err => {
-		alert('danger', 'Socket connection failed');
-	};
-});
+};

public/js/reader.js

@@ -1,293 +1,281 @@
-let lastSavedPage = page;
-let items = [];
-let longPages = false;
+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: {},
+		flipAnimation: null,
+		longPages: false,
+		lastSavedPage: page,
 
-$(() => {
-	getPages();
+		/**
+		 * 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;
 
-	$('#page-select').change(() => {
-		const p = parseInt($('#page-select').val());
-		toPage(p);
-	});
+					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,
+							style: `margin-top: ${data.margin}px; margin-bottom: ${data.margin}px;`
+						};
+					});
 
-	$('#mode-select').change(() => {
-		const mode = $('#mode-select').val();
-		const curIdx = parseInt($('#page-select').val());
+					const avgRatio = this.items.reduce((acc, cur) => {
+						return acc + cur.height / cur.width
+					}, 0) / this.items.length;
 
-		updateMode(mode, curIdx);
-	});
-});
+					console.log(avgRatio);
+					this.longPages = avgRatio > 2;
+					this.loading = false;
+					this.mode = localStorage.getItem('mode') || 'continuous';
 
-$(window).resize(() => {
-	const mode = getProp('mode');
-	if (mode === 'continuous') return;
+					// 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);
+				})
+				.catch(e => {
+					const errMsg = `Failed to get the page dimensions. ${e}`;
+					console.error(e);
+					this.alertClass = 'uk-alert-danger';
+					this.msg = errMsg;
+				})
+		},
+		/**
+		 * Handles the `change` event for the page selector
+		 */
+		pageChanged() {
+			const p = parseInt($('#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 wideScreen = $(window).width() > $(window).height();
-	const propMode = wideScreen ? 'height' : 'width';
-	setProp('mode', propMode);
-});
+			this.updateMode(mode, curIdx, nextTick);
+		},
+		/**
+		 * Handles the window `resize` event
+		 */
+		resized() {
+			if (this.mode === 'continuous') return;
 
-/**
- * Update the reader mode
- *
- * @function updateMode
- * @param {string} mode - The mode. Can be one of the followings:
- * 		{'continuous', 'paged', 'height', 'width'}
- * @param {number} targetPage - The one-based index of the target page
- */
-const updateMode = (mode, targetPage) => {
-	localStorage.setItem('mode', mode);
+			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;
 
-	// The mode to be put into the `mode` prop. It can't be `screen`
-	let propMode = mode;
+			if (event.key === 'ArrowLeft' || event.key === 'k')
+				this.flipPage(false);
+			if (event.key === 'ArrowRight' || event.key === 'j')
+				this.flipPage(true);
+		},
+		/**
+		 * 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 (mode === 'paged') {
-		const wideScreen = $(window).width() > $(window).height();
-		propMode = wideScreen ? 'height' : 'width';
-	}
+			if (newIdx <= 0 || newIdx > this.items.length) return;
 
-	setProp('mode', propMode);
+			this.toPage(newIdx);
 
-	if (mode === 'continuous') {
-		waitForPage(items.length, () => {
-			setupScroller();
-		});
-	}
+			if (isNext)
+				this.flipAnimation = 'right';
+			else
+				this.flipAnimation = 'left';
 
-	waitForPage(targetPage, () => {
-		setTimeout(() => {
-			toPage(targetPage);
-		}, 100);
-	});
-};
+			setTimeout(() => {
+				this.flipAnimation = null;
+			}, 500);
 
-/**
- * Get dimension of the pages in the entry from the API and update the view
- */
-const getPages = () => {
-	$.get(`${base_url}api/dimensions/${tid}/${eid}`)
-		.then(data => {
-			if (!data.success && data.error)
-				throw new Error(resp.error);
-			const dimensions = data.dimensions;
-
-			items = dimensions.map((d, i) => {
-				return {
-					id: i + 1,
-					url: `${base_url}api/page/${tid}/${eid}/${i+1}`,
-					width: d.width,
-					height: d.height
-				};
-			});
-
-			const avgRatio = items.reduce((acc, cur) => {
-				return acc + cur.height / cur.width
-			}, 0) / items.length;
-
-			console.log(avgRatio);
-			longPages = avgRatio > 2;
-
-			setProp('items', items);
-			setProp('loading', false);
-
-			const storedMode = localStorage.getItem('mode') || 'continuous';
-
-			setProp('mode', storedMode);
-			updateMode(storedMode, page);
-			$('#mode-select').val(storedMode);
-		})
-		.catch(e => {
-			const errMsg = `Failed to get the page dimensions. ${e}`;
-			console.error(e);
-			setProp('alertClass', 'uk-alert-danger');
-			setProp('msg', errMsg);
-		})
-};
-
-/**
- * Jump to a specific page
- *
- * @function toPage
- * @param {number} idx - One-based index of the page
- */
-const toPage = (idx) => {
-	const mode = getProp('mode');
-	if (mode === 'continuous') {
-		$(`#${idx}`).get(0).scrollIntoView(true);
-	} else {
-		if (idx >= 1 && idx <= items.length) {
-			setProp('curItem', items[idx - 1]);
-		}
-	}
-	replaceHistory(idx);
-	UIkit.modal($('#modal-sections')).hide();
-};
-
-/**
- * Check if a page exists every 100ms. If so, invoke the callback function.
- *
- * @function waitForPage
- * @param {number} idx - One-based index of the page
- * @param {function} cb - Callback function
- */
-const waitForPage = (idx, cb) => {
-	if ($(`#${idx}`).length > 0) return cb();
-	setTimeout(() => {
-		waitForPage(idx, cb)
-	}, 100);
-};
-
-/**
- * Show the control modal
- *
- * @function showControl
- * @param {string} idx - One-based index of the current page
- */
-const showControl = (idx) => {
-	const pageCount = $('#page-select > option').length;
-	const progressText = `Progress: ${idx}/${pageCount} (${(idx/pageCount * 100).toFixed(1)}%)`;
-	$('#progress-label').text(progressText);
-	$('#page-select').val(idx);
-	UIkit.modal($('#modal-sections')).show();
-}
-
-/**
- * Redirect to a URL
- *
- * @function redirect
- * @param {string} url - The target URL
- */
-const redirect = (url) => {
-	window.location.replace(url);
-}
-
-/**
- * Replace the address bar history and save th ereading progress if necessary
- *
- * @function replaceHistory
- * @param {number} idx - One-based index of the current page
- */
-const 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('/');
-	saveProgress(idx);
-	history.replaceState(null, "", url);
-}
-
-/**
- * Set up the scroll handler that calls `replaceHistory` when an image
- * 		enters the view port
- *
- * @function setupScroller
- */
-const setupScroller = () => {
-	const mode = getProp('mode');
-	if (mode !== 'continuous') return;
-	$('#root img').each((idx, el) => {
-		$(el).on('inview', (event, inView) => {
-			if (inView) {
-				const current = $(event.currentTarget).attr('id');
-
-				setProp('curItem', getProp('items')[current - 1]);
-				replaceHistory(current);
+			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);
 
-/**
- * Update 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
- *
- * @function saveProgress
- * @param {number} idx - One-based index of the page
- * @param {function} cb - Callback
- */
-const saveProgress = (idx, cb) => {
-	idx = parseInt(idx);
-	if (Math.abs(idx - lastSavedPage) >= 5 ||
-		longPages ||
-		idx === 1 || idx === items.length
-	) {
-		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: 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}`);
+			// 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';
+			}
+
+			this.mode = propMode;
+
+			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;
+			const pageCount = this.items.length;
+			const progressText = `Progress: ${idx}/${pageCount} (${(idx/pageCount * 100).toFixed(1)}%)`;
+			$('#progress-label').text(progressText);
+			$('#page-select').val(idx);
+			UIkit.modal($('#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');
 
-/**
- * Mark progress to 100% and redirect to the next entry
- * 	Used as the onclick handler for the "Next Entry" button
- *
- * @function nextEntry
- * @param {string} nextUrl - URL of the next entry
- */
-const nextEntry = (nextUrl) => {
-	saveProgress(items.length, () => {
-		redirect(nextUrl);
-	});
-};
-
-/**
- * Show the next or the previous page
- *
- * @function flipPage
- * @param {bool} isNext - Whether we are going to the next page
- */
-const flipPage = (isNext) => {
-	const curItem = getProp('curItem');
-	const idx = parseInt(curItem.id);
-	const delta = isNext ? 1 : -1;
-	const newIdx = idx + delta;
-
-	toPage(newIdx);
-
-	if (isNext)
-		setProp('flipAnimation', 'right');
-	else
-		setProp('flipAnimation', 'left');
-
-	setTimeout(() => {
-		setProp('flipAnimation', null);
-	}, 500);
-
-	replaceHistory(newIdx);
-	saveProgress(newIdx);
-};
-
-/**
- * Handle the global keydown events
- *
- * @function keyHandler
- * @param {event} event - The $event object
- */
-const keyHandler = (event) => {
-	const mode = getProp('mode');
-	if (mode === 'continuous') return;
-
-	if (event.key === 'ArrowLeft' || event.key === 'k')
-		flipPage(false);
-	if (event.key === 'ArrowRight' || event.key === 'j')
-		flipPage(true);
-};
+						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 optionally sets the reading progress tp 100%
+		 *
+		 * @param {string} exitUrl - The Exit URL
+		 * @param {boolean} [markCompleted] - Whether we should mark the
+		 *		reading progress to 100%
+		 */
+		exitReader(exitUrl, markCompleted = false) {
+			if (!markCompleted) {
+				return this.redirect(exitUrl);
+			}
+			this.saveProgress(this.items.length, () => {
+				this.redirect(exitUrl);
+			});
+		}
+	};
+}

public/js/title.js

@@ -252,3 +252,68 @@ const bulkProgress = (action, el) => {
 			deselectAll();
 		});
 };
+
+const tagsComponent = () => {
+	return {
+		loading: true,
+		isAdmin: false,
+		tags: [],
+		newTag: '',
+		inputShown: false,
+		tid: $('.upload-field').attr('data-title-id'),
+		load(admin) {
+			this.isAdmin = admin;
+			const url = `${base_url}api/tags/${this.tid}`;
+			this.request(url, 'GET', (data) => {
+				this.tags = data.tags;
+				this.loading = false;
+			});
+		},
+		add() {
+			const tag = this.newTag.trim();
+			const url = `${base_url}api/admin/tags/${this.tid}/${encodeURIComponent(tag)}`;
+			this.request(url, 'PUT', () => {
+				this.tags.push(tag);
+				this.newTag = '';
+			});
+		},
+		keydown(event) {
+			if (event.key === 'Enter')
+				this.add()
+		},
+		rm(event) {
+			const tag = event.currentTarget.id.split('-')[0];
+			const url = `${base_url}api/admin/tags/${this.tid}/${encodeURIComponent(tag)}`;
+			this.request(url, 'DELETE', () => {
+				const idx = this.tags.indexOf(tag);
+				if (idx < 0) return;
+				this.tags.splice(idx, 1);
+			});
+		},
+		toggleInput(nextTick) {
+			this.inputShown = !this.inputShown;
+			if (this.inputShown) {
+				nextTick(() => {
+					$('#tag-input').get(0).focus();
+				});
+			}
+		},
+		request(url, method, cb) {
+			$.ajax({
+					url: url,
+					method: method,
+					dataType: 'json'
+				})
+				.done(data => {
+					if (data.success)
+						cb(data);
+					else {
+						alert('danger', data.error);
+					}
+				})
+				.fail((jqXHR, status) => {
+					alert('danger', `Error: [${jqXHR.status}] ${jqXHR.statusText}`);
+				});
+		}
+	};
+};

shard.lock

@@ -68,3 +68,7 @@ shards:
     git: https://github.com/crystal-lang/crystal-sqlite3.git
     version: 0.16.0
 
+  tallboy:
+    git: https://github.com/epoch/tallboy.git
+    version: 0.9.3
+

shard.yml

@@ -1,5 +1,5 @@
 name: mango
-version: 0.17.1
+version: 0.18.3
 
 authors:
   - Alex Ling <hkalexling@gmail.com>
@@ -39,3 +39,5 @@ dependencies:
    github: hkalexling/image_size.cr
   koa:
     github: hkalexling/koa
+  tallboy:
+    github: epoch/tallboy

spec/rename_spec.cr

@@ -40,11 +40,6 @@ describe Rule do
     rule.render({"a" => "a", "b" => "b"}).should eq "a"
   end
 
-  it "allows `|` outside of patterns" do
-    rule = Rule.new "hello|world"
-    rule.render({} of String => String).should eq "hello|world"
-  end
-
   it "raises on escaped characters" do
     expect_raises Exception do
       Rule.new "hello/world"
@@ -69,8 +64,13 @@ describe Rule do
     rule.render({} of String => String).should eq "testing"
   end
 
-  it "escapes slash" do
-    rule = Rule.new "{id}"
-    rule.render({"id" => "/hello/world"}).should eq "_hello_world"
+  it "escapes illegal characters" do
+    rule = Rule.new "{a}"
+    rule.render({"a" => "/?<>:*|\"^"}).should eq "_________"
+  end
+
+  it "strips trailing spaces and dots" do
+    rule = Rule.new "hello. world. .."
+    rule.render({} of String => String).should eq "hello. world"
   end
 end

src/config.cr

@@ -20,6 +20,9 @@ class Config
   property plugin_path : String = File.expand_path "~/mango/plugins",
     home: true
   property download_timeout_seconds : Int32 = 30
+  property page_margin : Int32 = 30
+  property disable_login = false
+  property default_username = ""
   property mangadex = Hash(String, String | Int32).new
 
   @[YAML::Field(ignore: true)]
@@ -85,5 +88,9 @@ class Config
     unless base_url.ends_with? "/"
       @base_url += "/"
     end
+    if disable_login && default_username.empty?
+      raise "Login is disabled, but default username is not set. " \
+            "Please set a default username"
+    end
   end
 end

src/handlers/auth_handler.cr

@@ -11,9 +11,6 @@ class AuthHandler < Kemal::Handler
                  "You have to login with proper credentials"
   HEADER_LOGIN_REQUIRED = "Basic realm=\"Login Required\""
 
-  def initialize(@storage : Storage)
-  end
-
   def require_basic_auth(env)
     env.response.status_code = 401
     env.response.headers["WWW-Authenticate"] = HEADER_LOGIN_REQUIRED
@@ -23,12 +20,12 @@ class AuthHandler < Kemal::Handler
 
   def validate_token(env)
     token = env.session.string? "token"
-    !token.nil? && @storage.verify_token token
+    !token.nil? && Storage.default.verify_token token
   end
 
   def validate_token_admin(env)
     token = env.session.string? "token"
-    !token.nil? && @storage.verify_admin token
+    !token.nil? && Storage.default.verify_admin token
   end
 
   def validate_auth_header(env)
@@ -49,7 +46,7 @@ class AuthHandler < Kemal::Handler
   def verify_user(value)
     username, password = Base64.decode_string(value[BASIC.size + 1..-1])
       .split(":")
-    @storage.verify_user username, password
+    Storage.default.verify_user username, password
   end
 
   def handle_opds_auth(env)
@@ -68,15 +65,24 @@ class AuthHandler < Kemal::Handler
       return call_next(env)
     end
 
-    unless validate_token env
+    unless validate_token(env) || Config.current.disable_login
       env.session.string "callback", env.request.path
       return redirect env, "/login"
     end
 
     if request_path_startswith env, ["/admin", "/api/admin", "/download"]
-      unless validate_token_admin env
-        env.response.status_code = 403
+      # The token (if exists) takes precedence over the default user option.
+      #   this is why we check the default username first before checking the
+      #   token.
+      should_reject = true
+      if Config.current.disable_login &&
+         Storage.default.username_is_admin Config.current.default_username
+        should_reject = false
       end
+      if env.session.string? "token"
+        should_reject = !validate_token_admin(env)
+      end
+      env.response.status_code = 403 if should_reject
     end
 
     call_next env

src/library/entry.cr

@@ -1,11 +1,12 @@
 require "image_size"
 
 class Entry
-  property zip_path : String, book : Title, title : String,
+  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?
 
-  def initialize(@zip_path, @book, storage)
+  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

src/library/library.cr

@@ -1,5 +1,5 @@
 class Library
-  property dir : String, title_ids : Array(String),
+  getter dir : String, title_ids : Array(String),
     title_hash : Hash(String, Title)
 
   use_default
@@ -68,29 +68,8 @@ class Library
       end
     end
 
-    # This is a hack to bypass a compiler bug
-    ary = titles
-
-    case opt.not_nil!.method
-    when .time_modified?
-      ary.sort! { |a, b| (a.mtime <=> b.mtime).or \
-        compare_numerically a.title, b.title }
-    when .progress?
-      ary.sort! do |a, b|
-        (a.load_percentage(username) <=> b.load_percentage(username)).or \
-          compare_numerically a.title, b.title
-      end
-    else
-      unless opt.method.auto?
-        Logger.warn "Unknown sorting method #{opt.not_nil!.method}. Using " \
-                    "Auto instead"
-      end
-      ary.sort! { |a, b| compare_numerically a.title, b.title }
-    end
-
-    ary.reverse! unless opt.not_nil!.ascend
-
-    ary
+    # Helper function from src/util/util.cr
+    sort_titles titles, opt.not_nil!, username
   end
 
   def deep_titles
@@ -127,7 +106,7 @@ class Library
       .select { |fn| !fn.starts_with? "." }
       .map { |fn| File.join @dir, fn }
       .select { |path| File.directory? path }
-      .map { |path| Title.new path, "", storage, self }
+      .map { |path| Title.new path, "" }
       .select { |title| !(title.entries.empty? && title.titles.empty?) }
       .sort { |a, b| a.title <=> b.title }
       .tap { |_| @title_ids.clear }

src/library/title.cr

@@ -1,13 +1,14 @@
 require "../archive"
 
 class Title
-  property dir : String, parent_id : String, title_ids : Array(String),
+  getter dir : String, parent_id : String, title_ids : Array(String),
     entries : Array(Entry), title : String, id : String,
-    encoded_title : String, mtime : Time,
-    entry_display_name_cache : Hash(String, String)?
+    encoded_title : String, mtime : Time
 
-  def initialize(@dir : String, @parent_id, storage,
-                 @library : Library)
+  @entry_display_name_cache : Hash(String, String)?
+
+  def initialize(@dir : String, @parent_id)
+    storage = Storage.default
     id = storage.get_id @dir, true
     if id.nil?
       id = random_str
@@ -28,26 +29,26 @@ class Title
       next if fn.starts_with? "."
       path = File.join dir, fn
       if File.directory? path
-        title = Title.new path, @id, storage, library
+        title = Title.new path, @id
         next if title.entries.size == 0 && title.titles.size == 0
-        @library.title_hash[title.id] = title
+        Library.default.title_hash[title.id] = title
         @title_ids << title.id
         next
       end
       if [".zip", ".cbz", ".rar", ".cbr"].includes? File.extname path
-        entry = Entry.new path, self, storage
+        entry = Entry.new path, self
         @entries << entry if entry.pages > 0 || entry.err_msg
       end
     end
 
     mtimes = [@mtime]
-    mtimes += @title_ids.map { |e| @library.title_hash[e].mtime }
+    mtimes += @title_ids.map { |e| Library.default.title_hash[e].mtime }
     mtimes += @entries.map { |e| e.mtime }
     @mtime = mtimes.max
 
     @title_ids.sort! do |a, b|
-      compare_numerically @library.title_hash[a].title,
-        @library.title_hash[b].title
+      compare_numerically Library.default.title_hash[a].title,
+        Library.default.title_hash[b].title
     end
     sorter = ChapterSorter.new @entries.map { |e| e.title }
     @entries.sort! do |a, b|
@@ -83,7 +84,7 @@ class Title
   end
 
   def titles
-    @title_ids.map { |tid| @library.get_title! tid }
+    @title_ids.map { |tid| Library.default.get_title! tid }
   end
 
   # Get all entries, including entries in nested titles
@@ -101,15 +102,37 @@ class Title
     ary = [] of Title
     tid = @parent_id
     while !tid.empty?
-      title = @library.get_title! tid
+      title = Library.default.get_title! tid
       ary << title
       tid = title.parent_id
     end
     ary.reverse
   end
 
-  def size
-    @entries.size + @title_ids.size
+  # Returns a string the describes the content of the title
+  #   e.g., - 3 titles and 1 entry
+  #         - 4 entries
+  #         - 1 title
+  def content_label
+    ary = [] of String
+    tsize = titles.size
+    esize = entries.size
+
+    ary << "#{tsize} #{tsize > 1 ? "titles" : "title"}" if tsize > 0
+    ary << "#{esize} #{esize > 1 ? "entries" : "entry"}" if esize > 0
+    ary.join " and "
+  end
+
+  def tags
+    Storage.default.get_title_tags @id
+  end
+
+  def add_tag(tag)
+    Storage.default.add_tag @id, tag
+  end
+
+  def delete_tag(tag)
+    Storage.default.delete_tag @id, tag
   end
 
   def get_entry(eid)

src/mango.cr

@@ -3,11 +3,12 @@ require "./queue"
 require "./server"
 require "./main_fiber"
 require "./mangadex/*"
+require "./plugin/*"
 require "option_parser"
 require "clim"
-require "./plugin/*"
+require "tallboy"
 
-MANGO_VERSION = "0.17.1"
+MANGO_VERSION = "0.18.3"
 
 # From http://www.network-science.de/ascii/
 BANNER = %{
@@ -53,6 +54,11 @@ class CLI < Clim
       ARGV.clear
 
       Config.load(opts.config).set_current
+
+      # Initialize main components
+      Storage.default
+      Queue.default
+      Library.default
       MangaDex::Downloader.default
       Plugin::Downloader.default
 
@@ -105,18 +111,13 @@ class CLI < Clim
               password.not_nil!, opts.admin
           when "list"
             users = storage.list_users
-            name_length = users.map(&.[0].size).max? || 0
-            l_cell_width = ["username".size, name_length].max
-            r_cell_width = "admin access".size
-            header = " #{"username".ljust l_cell_width} | admin access "
-            puts "-" * header.size
-            puts header
-            puts "-" * header.size
-            users.each do |name, admin|
-              puts " #{name.ljust l_cell_width} | " \
-                   "#{admin.to_s.ljust r_cell_width} "
+            table = Tallboy.table do
+              header ["username", "admin access"]
+              users.each do |name, admin|
+                row [name, admin]
+              end
             end
-            puts "-" * header.size
+            puts table
           when nil
             puts opts.help_string
           else

src/plugin/plugin.cr

@@ -257,6 +257,48 @@ class Plugin
     end
     sbx.put_prop_string -2, "get"
 
+    sbx.push_proc LibDUK::VARARGS do |ptr|
+      env = Duktape::Sandbox.new ptr
+      url = env.require_string 0
+      body = env.require_string 1
+
+      headers = HTTP::Headers.new
+
+      if env.get_top == 3
+        env.enum 2, LibDUK::Enum::OwnPropertiesOnly
+        while env.next -1, true
+          key = env.require_string -2
+          val = env.require_string -1
+          headers.add key, val
+          env.pop_2
+        end
+      end
+
+      res = HTTP::Client.post url, headers, body
+
+      env.push_object
+
+      env.push_int res.status_code
+      env.put_prop_string -2, "status_code"
+
+      env.push_string res.body
+      env.put_prop_string -2, "body"
+
+      env.push_object
+      res.headers.each do |k, v|
+        if v.size == 1
+          env.push_string v[0]
+        else
+          env.push_string v.join ","
+        end
+        env.put_prop_string -2, k
+      end
+      env.put_prop_string -2, "headers"
+
+      env.call_success
+    end
+    sbx.put_prop_string -2, "post"
+
     sbx.push_proc 2 do |ptr|
       env = Duktape::Sandbox.new ptr
       html = env.require_string 0

src/rename.cr

@@ -139,9 +139,13 @@ module Rename
       post_process str
     end
 
+    # Post-processes the generated file/folder name
+    #   - Handles the rare case where the string is `..`
+    #   - Removes trailing spaces and periods
+    #   - Replace illegal characters with `_`
     private def post_process(str)
       return "_" if str == ".."
-      str.gsub "/", "_"
+      str.rstrip(" .").gsub /[\/?<>\\:*|"^]/, "_"
     end
   end
 end

src/routes/admin.cr

@@ -1,13 +1,11 @@
-require "./router"
-
-class AdminRouter < Router
+struct AdminRouter
   def initialize
     get "/admin" do |env|
       layout "admin"
     end
 
     get "/admin/user" do |env|
-      users = @context.storage.list_users
+      users = Storage.default.list_users
       username = get_username env
       layout "user"
     end
@@ -32,11 +30,11 @@ class AdminRouter < Router
       #   would not contain `admin`
       admin = !env.params.body["admin"]?.nil?
 
-      @context.storage.new_user username, password, admin
+      Storage.default.new_user username, password, admin
 
       redirect env, "/admin/user"
     rescue e
-      @context.error e
+      Logger.error e
       redirect_url = URI.new \
         path: "/admin/user/edit",
         query: hash_to_query({"error" => e.message})
@@ -51,12 +49,12 @@ class AdminRouter < Router
       admin = !env.params.body["admin"]?.nil?
       original_username = env.params.url["original_username"]
 
-      @context.storage.update_user \
+      Storage.default.update_user \
         original_username, username, password, admin
 
       redirect env, "/admin/user"
     rescue e
-      @context.error e
+      Logger.error e
       redirect_url = URI.new \
         path: "/admin/user/edit",
         query: hash_to_query({"username" => original_username, \

src/routes/api.cr

@@ -1,9 +1,8 @@
-require "./router"
 require "../mangadex/*"
 require "../upload"
 require "koa"
 
-class APIRouter < Router
+struct APIRouter
   @@api_json : String?
 
   API_VERSION = "0.1.0"
@@ -153,6 +152,7 @@ class APIRouter < Router
     Koa.object "dimensionResult", {
       "success"    => "boolean",
       "dimensions" => "$dimensionAry?",
+      "margin"     => "number",
       "error"      => "string?",
     }
 
@@ -160,6 +160,12 @@ class APIRouter < Router
       "ids" => "$strAry",
     }
 
+    Koa.object "tagsResult", {
+      "success" => "boolean",
+      "tags"    => "$strAry?",
+      "error"   => "string?",
+    }
+
     Koa.describe "Returns a page in a manga entry"
     Koa.path "tid", desc: "Title ID"
     Koa.path "eid", desc: "Entry ID"
@@ -172,7 +178,7 @@ class APIRouter < Router
         eid = env.params.url["eid"]
         page = env.params.url["page"].to_i
 
-        title = @context.library.get_title tid
+        title = Library.default.get_title tid
         raise "Title ID `#{tid}` not found" if title.nil?
         entry = title.get_entry eid
         raise "Entry ID `#{eid}` of `#{title.title}` not found" if entry.nil?
@@ -182,7 +188,7 @@ class APIRouter < Router
 
         send_img env, img
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 500
         e.message
       end
@@ -198,7 +204,7 @@ class APIRouter < Router
         tid = env.params.url["tid"]
         eid = env.params.url["eid"]
 
-        title = @context.library.get_title tid
+        title = Library.default.get_title tid
         raise "Title ID `#{tid}` not found" if title.nil?
         entry = title.get_entry eid
         raise "Entry ID `#{eid}` of `#{title.title}` not found" if entry.nil?
@@ -209,7 +215,7 @@ class APIRouter < Router
 
         send_img env, img
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 500
         e.message
       end
@@ -222,12 +228,12 @@ class APIRouter < Router
     get "/api/book/:tid" do |env|
       begin
         tid = env.params.url["tid"]
-        title = @context.library.get_title tid
+        title = Library.default.get_title tid
         raise "Title ID `#{tid}` not found" if title.nil?
 
         send_json env, title.to_json
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 404
         e.message
       end
@@ -236,7 +242,7 @@ class APIRouter < Router
     Koa.describe "Returns the entire library with all titles and entries"
     Koa.response 200, ref: "$library"
     get "/api/library" do |env|
-      send_json env, @context.library.to_json
+      send_json env, Library.default.to_json
     end
 
     Koa.describe "Triggers a library scan"
@@ -244,11 +250,11 @@ class APIRouter < Router
     Koa.response 200, ref: "$scanResult"
     post "/api/admin/scan" do |env|
       start = Time.utc
-      @context.library.scan
+      Library.default.scan
       ms = (Time.utc - start).total_milliseconds
       send_json env, {
         "milliseconds" => ms,
-        "titles"       => @context.library.titles.size,
+        "titles"       => Library.default.titles.size,
       }.to_json
     end
 
@@ -275,9 +281,9 @@ class APIRouter < Router
     delete "/api/admin/user/delete/:username" do |env|
       begin
         username = env.params.url["username"]
-        @context.storage.delete_user username
+        Storage.default.delete_user username
       rescue e
-        @context.error e
+        Logger.error e
         send_json env, {
           "success" => false,
           "error"   => e.message,
@@ -302,7 +308,7 @@ class APIRouter < Router
     put "/api/progress/:tid/:page" do |env|
       begin
         username = get_username env
-        title = (@context.library.get_title env.params.url["tid"]).not_nil!
+        title = (Library.default.get_title env.params.url["tid"]).not_nil!
         page = env.params.url["page"].to_i
         entry_id = env.params.query["eid"]?
 
@@ -316,7 +322,7 @@ class APIRouter < Router
           title.read_all username
         end
       rescue e
-        @context.error e
+        Logger.error e
         send_json env, {
           "success" => false,
           "error"   => e.message,
@@ -334,7 +340,7 @@ class APIRouter < Router
     put "/api/bulk_progress/:action/:tid" do |env|
       begin
         username = get_username env
-        title = (@context.library.get_title env.params.url["tid"]).not_nil!
+        title = (Library.default.get_title env.params.url["tid"]).not_nil!
         action = env.params.url["action"]
         ids = env.params.json["ids"].as(Array).map &.as_s
 
@@ -343,7 +349,7 @@ class APIRouter < Router
         end
         title.bulk_progress action, ids, username
       rescue e
-        @context.error e
+        Logger.error e
         send_json env, {
           "success" => false,
           "error"   => e.message,
@@ -363,7 +369,7 @@ class APIRouter < Router
     Koa.response 200, ref: "$result"
     put "/api/admin/display_name/:tid/:name" do |env|
       begin
-        title = (@context.library.get_title env.params.url["tid"])
+        title = (Library.default.get_title env.params.url["tid"])
           .not_nil!
         name = env.params.url["name"]
         entry = env.params.query["eid"]?
@@ -374,7 +380,7 @@ class APIRouter < Router
           title.set_display_name eobj.not_nil!.title, name
         end
       rescue e
-        @context.error e
+        Logger.error e
         send_json env, {
           "success" => false,
           "error"   => e.message,
@@ -397,7 +403,7 @@ class APIRouter < Router
         manga = api.get_manga id
         send_json env, manga.to_info_json
       rescue e
-        @context.error e
+        Logger.error e
         send_json env, {"error" => e.message}.to_json
       end
     end
@@ -421,13 +427,13 @@ class APIRouter < Router
             Time.unix chapter["time"].as_s.to_i
           )
         }
-        inserted_count = @context.queue.push jobs
+        inserted_count = Queue.default.push jobs
         send_json env, {
           "success": inserted_count,
           "fail":    jobs.size - inserted_count,
         }.to_json
       rescue e
-        @context.error e
+        Logger.error e
         send_json env, {"error" => e.message}.to_json
       end
     end
@@ -437,8 +443,8 @@ class APIRouter < Router
       interval = (interval_raw.to_i? if interval_raw) || 5
       loop do
         socket.send({
-          "jobs"   => @context.queue.get_all,
-          "paused" => @context.queue.paused?,
+          "jobs"   => Queue.default.get_all,
+          "paused" => Queue.default.paused?,
         }.to_json)
         sleep interval.seconds
       end
@@ -451,10 +457,10 @@ class APIRouter < Router
     Koa.response 200, ref: "$jobs"
     get "/api/admin/mangadex/queue" do |env|
       begin
-        jobs = @context.queue.get_all
+        jobs = Queue.default.get_all
         send_json env, {
           "jobs"    => jobs,
-          "paused"  => @context.queue.paused?,
+          "paused"  => Queue.default.paused?,
           "success" => true,
         }.to_json
       rescue e
@@ -485,20 +491,20 @@ class APIRouter < Router
         case action
         when "delete"
           if id.nil?
-            @context.queue.delete_status Queue::JobStatus::Completed
+            Queue.default.delete_status Queue::JobStatus::Completed
           else
-            @context.queue.delete id
+            Queue.default.delete id
           end
         when "retry"
           if id.nil?
-            @context.queue.reset
+            Queue.default.reset
           else
-            @context.queue.reset id
+            Queue.default.reset id
           end
         when "pause"
-          @context.queue.pause
+          Queue.default.pause
         when "resume"
-          @context.queue.resume
+          Queue.default.resume
         else
           raise "Unknown queue action #{action}"
         end
@@ -544,7 +550,7 @@ class APIRouter < Router
           when "cover"
             title_id = env.params.query["tid"]
             entry_id = env.params.query["eid"]?
-            title = @context.library.get_title(title_id).not_nil!
+            title = Library.default.get_title(title_id).not_nil!
 
             unless SUPPORTED_IMG_TYPES.includes? \
                      MIME.from_filename? filename
@@ -628,7 +634,7 @@ class APIRouter < Router
             Time.utc
           )
         }
-        inserted_count = @context.queue.push jobs
+        inserted_count = Queue.default.push jobs
         send_json env, {
           "success": inserted_count,
           "fail":    jobs.size - inserted_count,
@@ -650,7 +656,7 @@ class APIRouter < Router
         tid = env.params.url["tid"]
         eid = env.params.url["eid"]
 
-        title = @context.library.get_title tid
+        title = Library.default.get_title tid
         raise "Title ID `#{tid}` not found" if title.nil?
         entry = title.get_entry eid
         raise "Entry ID `#{eid}` of `#{title.title}` not found" if entry.nil?
@@ -659,6 +665,7 @@ class APIRouter < Router
         send_json env, {
           "success"    => true,
           "dimensions" => sizes,
+          "margin"     => Config.current.page_margin,
         }.to_json
       rescue e
         send_json env, {
@@ -675,16 +682,83 @@ class APIRouter < Router
     Koa.response 404, "Entry not found"
     get "/api/download/:tid/:eid" do |env|
       begin
-        title = (@context.library.get_title env.params.url["tid"]).not_nil!
+        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
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 404
       end
     end
 
+    Koa.describe "Gets the tags of a title"
+    Koa.path "tid", desc: "A title ID"
+    Koa.response 200, ref: "$tagsResult"
+    get "/api/tags/:tid" do |env|
+      begin
+        title = (Library.default.get_title env.params.url["tid"]).not_nil!
+        tags = title.tags
+
+        send_json env, {
+          "success" => true,
+          "tags"    => tags,
+        }.to_json
+      rescue e
+        Logger.error e
+        send_json env, {
+          "success" => false,
+          "error"   => e.message,
+        }.to_json
+      end
+    end
+
+    Koa.describe "Adds a new tag to a title"
+    Koa.path "tid", desc: "A title ID"
+    Koa.response 200, ref: "$result"
+    Koa.tag "admin"
+    put "/api/admin/tags/:tid/:tag" do |env|
+      begin
+        title = (Library.default.get_title env.params.url["tid"]).not_nil!
+        tag = env.params.url["tag"]
+
+        title.add_tag tag
+        send_json env, {
+          "success" => true,
+          "error"   => nil,
+        }.to_json
+      rescue e
+        Logger.error e
+        send_json env, {
+          "success" => false,
+          "error"   => e.message,
+        }.to_json
+      end
+    end
+
+    Koa.describe "Deletes a tag from a title"
+    Koa.path "tid", desc: "A title ID"
+    Koa.response 200, ref: "$result"
+    Koa.tag "admin"
+    delete "/api/admin/tags/:tid/:tag" do |env|
+      begin
+        title = (Library.default.get_title env.params.url["tid"]).not_nil!
+        tag = env.params.url["tag"]
+
+        title.delete_tag tag
+        send_json env, {
+          "success" => true,
+          "error"   => nil,
+        }.to_json
+      rescue e
+        Logger.error e
+        send_json env, {
+          "success" => false,
+          "error"   => e.message,
+        }.to_json
+      end
+    end
+
     doc = Koa.generate
     @@api_json = doc.to_json if doc
 

src/routes/main.cr

@@ -1,6 +1,4 @@
-require "./router"
-
-class MainRouter < Router
+struct MainRouter
   def initialize
     get "/login" do |env|
       base_url = Config.current.base_url
@@ -11,7 +9,7 @@ class MainRouter < Router
       begin
         env.session.delete_string "token"
       rescue e
-        @context.error "Error when attempting to log out: #{e}"
+        Logger.error "Error when attempting to log out: #{e}"
       ensure
         redirect env, "/login"
       end
@@ -21,7 +19,7 @@ class MainRouter < Router
       begin
         username = env.params.body["username"]
         password = env.params.body["password"]
-        token = @context.storage.verify_user(username, password).not_nil!
+        token = Storage.default.verify_user(username, password).not_nil!
 
         env.session.string "token", token
 
@@ -41,22 +39,22 @@ class MainRouter < Router
       begin
         username = get_username env
 
-        sort_opt = SortOptions.from_info_json @context.library.dir, username
+        sort_opt = SortOptions.from_info_json Library.default.dir, username
         get_sort_opt
 
-        titles = @context.library.sorted_titles username, sort_opt
+        titles = Library.default.sorted_titles username, sort_opt
         percentage = titles.map &.load_percentage username
 
         layout "library"
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 500
       end
     end
 
     get "/book/:title" do |env|
       begin
-        title = (@context.library.get_title env.params.url["title"]).not_nil!
+        title = (Library.default.get_title env.params.url["title"]).not_nil!
         username = get_username env
 
         sort_opt = SortOptions.from_info_json title.dir, username
@@ -68,7 +66,7 @@ class MainRouter < Router
         title_percentage = title.titles.map &.load_percentage username
         layout "title"
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 500
       end
     end
@@ -92,7 +90,7 @@ class MainRouter < Router
 
         layout "plugin-download"
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 500
       end
     end
@@ -100,20 +98,61 @@ class MainRouter < Router
     get "/" do |env|
       begin
         username = get_username env
-        continue_reading = @context
-          .library.get_continue_reading_entries username
-        recently_added = @context.library.get_recently_added_entries username
-        start_reading = @context.library.get_start_reading_titles username
-        titles = @context.library.titles
+        continue_reading = Library.default
+          .get_continue_reading_entries username
+        recently_added = Library.default.get_recently_added_entries username
+        start_reading = Library.default.get_start_reading_titles username
+        titles = Library.default.titles
         new_user = !titles.any? { |t| t.load_percentage(username) > 0 }
         empty_library = titles.size == 0
         layout "home"
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 500
       end
     end
 
+    get "/tags/:tag" do |env|
+      begin
+        username = get_username env
+        tag = env.params.url["tag"]
+
+        sort_opt = SortOptions.new
+        get_sort_opt
+
+        title_ids = Storage.default.get_tag_titles tag
+
+        raise "Tag #{tag} not found" if title_ids.empty?
+
+        titles = title_ids.map { |id| Library.default.get_title id }
+          .select Title
+
+        titles = sort_titles titles, sort_opt, username
+        percentage = titles.map &.load_percentage username
+
+        layout "tag"
+      rescue e
+        Logger.error e
+        env.response.status_code = 404
+      end
+    end
+
+    get "/tags" do |env|
+      tags = Storage.default.list_tags.map do |tag|
+        {
+          tag:         tag,
+          encoded_tag: URI.encode_www_form(tag, space_to_plus: false),
+          count:       Storage.default.get_tag_titles(tag).size,
+        }
+      end
+      # Sort by :count reversly, and then sort by :tag
+      tags.sort! do |a, b|
+        (b[:count] <=> a[:count]).or(a[:tag] <=> b[:tag])
+      end
+
+      layout "tags"
+    end
+
     get "/api" do |env|
       render "src/views/api.html.ecr"
     end

src/routes/opds.cr

@@ -1,18 +1,16 @@
-require "./router"
-
-class OPDSRouter < Router
+struct OPDSRouter
   def initialize
     get "/opds" do |env|
-      titles = @context.library.titles
+      titles = Library.default.titles
       render_xml "src/views/opds/index.xml.ecr"
     end
 
     get "/opds/book/:title_id" do |env|
       begin
-        title = @context.library.get_title(env.params.url["title_id"]).not_nil!
+        title = Library.default.get_title(env.params.url["title_id"]).not_nil!
         render_xml "src/views/opds/title.xml.ecr"
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 404
       end
     end

src/routes/reader.cr

@@ -1,25 +1,23 @@
-require "./router"
-
-class ReaderRouter < Router
+struct ReaderRouter
   def initialize
     get "/reader/:title/:entry" do |env|
       begin
         username = get_username env
 
-        title = (@context.library.get_title env.params.url["title"]).not_nil!
+        title = (Library.default.get_title env.params.url["title"]).not_nil!
         entry = (title.get_entry env.params.url["entry"]).not_nil!
 
         next layout "reader-error" if entry.err_msg
 
         # load progress
-        page = [1, entry.load_progress username].max
+        page_idx = [1, entry.load_progress username].max
 
         # start from page 1 if the user has finished reading the entry
-        page = 1 if entry.finished? username
+        page_idx = 1 if entry.finished? username
 
-        redirect env, "/reader/#{title.id}/#{entry.id}/#{page}"
+        redirect env, "/reader/#{title.id}/#{entry.id}/#{page_idx}"
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 404
       end
     end
@@ -30,10 +28,12 @@ class ReaderRouter < Router
 
         username = get_username env
 
-        title = (@context.library.get_title env.params.url["title"]).not_nil!
+        title = (Library.default.get_title env.params.url["title"]).not_nil!
         entry = (title.get_entry env.params.url["entry"]).not_nil!
-        page = env.params.url["page"].to_i
-        raise "" if page > entry.pages || page <= 0
+        page_idx = env.params.url["page"].to_i
+        if page_idx > entry.pages || page_idx <= 0
+          raise "Page #{page_idx} not found."
+        end
 
         exit_url = "#{base_url}book/#{title.id}"
 
@@ -45,7 +45,7 @@ class ReaderRouter < Router
 
         render "src/views/reader.html.ecr"
       rescue e
-        @context.error e
+        Logger.error e
         env.response.status_code = 404
       end
     end

src/routes/router.cr

@@ -1,3 +0,0 @@
-class Router
-  @context : Context = Context.default
-end

src/server.cr

@@ -5,29 +5,7 @@ require "./handlers/*"
 require "./util/*"
 require "./routes/*"
 
-class Context
-  property library : Library
-  property storage : Storage
-  property queue : Queue
-
-  use_default
-
-  def initialize
-    @storage = Storage.default
-    @library = Library.default
-    @queue = Queue.default
-  end
-
-  {% for lvl in Logger::LEVELS %}
-      def {{lvl.id}}(msg)
-          Logger.{{lvl.id}} msg
-      end
-  {% end %}
-end
-
 class Server
-  @context : Context = Context.default
-
   def initialize
     error 403 do |env|
       message = "HTTP 403: You are not authorized to visit #{env.request.path}"
@@ -53,11 +31,11 @@ class Server
 
     Kemal.config.logging = false
     add_handler LogHandler.new
-    add_handler AuthHandler.new @context.storage
+    add_handler AuthHandler.new
     add_handler UploadHandler.new Config.current.upload_path
     {% if flag?(:release) %}
       # when building for relase, embed the static files in binary
-      @context.debug "We are in release mode. Using embedded static files."
+      Logger.debug "We are in release mode. Using embedded static files."
       serve_static false
       add_handler StaticHandler.new
     {% end %}
@@ -71,7 +49,7 @@ class Server
   end
 
   def start
-    @context.debug "Starting Kemal server"
+    Logger.debug "Starting Kemal server"
     {% if flag?(:release) %}
       Kemal.config.env = "production"
     {% end %}

src/storage.cr

@@ -35,16 +35,24 @@ class Storage
     MainFiber.run do
       DB.open "sqlite3://#{@path}" do |db|
         begin
+          # v0.18.0
+          db.exec "create table tags (id text, tag text, unique (id, tag))"
+          db.exec "create index tags_id_idx on tags (id)"
+          db.exec "create index tags_tag_idx on tags (tag)"
+
+          # v0.15.0
           db.exec "create table thumbnails " \
                   "(id text, data blob, filename text, " \
                   "mime text, size integer)"
           db.exec "create unique index tn_index on thumbnails (id)"
 
+          # v0.1.1
           db.exec "create table ids" \
                   "(path text, id text, is_title integer)"
           db.exec "create unique index path_idx on ids (path)"
           db.exec "create unique index id_idx on ids (id)"
 
+          # v0.1.0
           db.exec "create table users" \
                   "(username text, password text, token text, admin integer)"
         rescue e
@@ -64,6 +72,14 @@ class Storage
 
           init_admin if init_user
         end
+
+        # Verifies that the default username in config is valid
+        if Config.current.disable_login
+          username = Config.current.default_username
+          unless username_exists username
+            raise "Default username #{username} does not exist"
+          end
+        end
       end
       unless @auto_close
         @db = DB.open "sqlite3://#{@path}"
@@ -90,6 +106,28 @@ class Storage
     end
   end
 
+  def username_exists(username)
+    exists = false
+    MainFiber.run do
+      get_db do |db|
+        exists = db.query_one("select count(*) from users where " \
+                              "username = (?)", username, as: Int32) > 0
+      end
+    end
+    exists
+  end
+
+  def username_is_admin(username)
+    is_admin = false
+    MainFiber.run do
+      get_db do |db|
+        is_admin = db.query_one("select admin from users where " \
+                                "username = (?)", username, as: Int32) > 0
+      end
+    end
+    is_admin
+  end
+
   def verify_user(username, password)
     out_token = nil
     MainFiber.run do
@@ -266,6 +304,70 @@ class Storage
     img
   end
 
+  def get_title_tags(id : String) : Array(String)
+    tags = [] of String
+    MainFiber.run do
+      get_db do |db|
+        db.query "select tag from tags where id = (?) order by tag", id do |rs|
+          rs.each do
+            tags << rs.read String
+          end
+        end
+      end
+    end
+    tags
+  end
+
+  def get_tag_titles(tag : String) : Array(String)
+    tids = [] of String
+    MainFiber.run do
+      get_db do |db|
+        db.query "select id from tags where tag = (?)", tag do |rs|
+          rs.each do
+            tids << rs.read String
+          end
+        end
+      end
+    end
+    tids
+  end
+
+  def list_tags : Array(String)
+    tags = [] of String
+    MainFiber.run do
+      get_db do |db|
+        db.query "select distinct tag from tags" do |rs|
+          rs.each do
+            tags << rs.read String
+          end
+        end
+      end
+    end
+    tags
+  end
+
+  def add_tag(id : String, tag : String)
+    err = nil
+    MainFiber.run do
+      begin
+        get_db do |db|
+          db.exec "insert into tags values (?, ?)", id, tag
+        end
+      rescue e
+        err = e
+      end
+    end
+    raise err.not_nil! if err
+  end
+
+  def delete_tag(id : String, tag : String)
+    MainFiber.run do
+      get_db do |db|
+        db.exec "delete from tags where id = (?) and tag = (?)", id, tag
+      end
+    end
+  end
+
   def optimize
     MainFiber.run do
       Logger.info "Starting DB optimization"
@@ -292,6 +394,15 @@ class Storage
           db.exec "delete from thumbnails where id not in (select id from ids)"
           Logger.info "#{trash_thumbnails_count} dangling thumbnails deleted"
         end
+
+        # Delete dangling tags
+        trash_tags_count = db.query_one "select count(*) from tags " \
+                                        "where id not in " \
+                                        "(select id from ids)", as: Int32
+        if trash_tags_count > 0
+          db.exec "delete from tags where id not in (select id from ids)"
+          Logger.info "#{trash_tags_count} dangling tags deleted"
+        end
       end
       Logger.info "DB optimization finished"
     end

src/util/util.cr

@@ -67,3 +67,28 @@ def env_is_true?(key : String) : Bool
   return false unless val
   val.downcase.in? "1", "true"
 end
+
+def sort_titles(titles : Array(Title), opt : SortOptions, username : String)
+  ary = titles
+
+  case opt.method
+  when .time_modified?
+    ary.sort! { |a, b| (a.mtime <=> b.mtime).or \
+      compare_numerically a.title, b.title }
+  when .progress?
+    ary.sort! do |a, b|
+      (a.load_percentage(username) <=> b.load_percentage(username)).or \
+        compare_numerically a.title, b.title
+    end
+  else
+    unless opt.method.auto?
+      Logger.warn "Unknown sorting method #{opt.not_nil!.method}. Using " \
+                  "Auto instead"
+    end
+    ary.sort! { |a, b| compare_numerically a.title, b.title }
+  end
+
+  ary.reverse! unless opt.not_nil!.ascend
+
+  ary
+end

src/util/web.cr

@@ -4,14 +4,22 @@ macro layout(name)
   base_url = Config.current.base_url
   begin
     is_admin = false
+    # The token (if exists) takes precedence over the default user option.
+    #   this is why we check the default username first before checking the
+    #   token.
+    if Config.current.disable_login
+      is_admin = Storage.default.
+        username_is_admin Config.current.default_username
+    end
     if token = env.session.string? "token"
-      is_admin = @context.storage.verify_admin token
+      is_admin = Storage.default.verify_admin token
     end
     page = {{name}}
     render "src/views/#{{{name}}}.html.ecr", "src/views/layout.html.ecr"
   rescue e
     message = e.to_s
-    @context.error message
+    Logger.error message
+    page = "Error"
     render "src/views/message.html.ecr", "src/views/layout.html.ecr"
   end
 end
@@ -21,10 +29,16 @@ macro send_img(env, img)
 end
 
 macro get_username(env)
-  # if the request gets here, it has gone through the auth handler, and
-  #   we can be sure that a valid token exists, so we can use not_nil! here
-  token = env.session.string "token"
-  (@context.storage.verify_token token).not_nil!
+  begin
+    token = env.session.string "token"
+    (Storage.default.verify_token token).not_nil!
+  rescue e
+    if Config.current.disable_login
+      Config.current.default_username
+    else
+      raise e
+    end
+  end
 end
 
 def send_json(env, json)
@@ -46,12 +60,7 @@ def hash_to_query(hash)
 end
 
 def request_path_startswith(env, ary)
-  ary.each do |prefix|
-    if env.request.path.starts_with? prefix
-      return true
-    end
-  end
-  false
+  ary.any? { |prefix| env.request.path.starts_with? prefix }
 end
 
 def requesting_static_file(env)

src/views/admin.html.ecr

@@ -1,21 +1,25 @@
-<ul class="uk-list uk-list-large uk-list-divider" id="root" x-data="{progress : 1.0, generating : false, scanTitles: 0, scanMs: -1, scanning : false}">
-  <li @click="location.href = '<%= base_url %>admin/user'">User Managerment</li>
-  <li :class="{'nopointer' : scanning}" @click="scan()">
-    <span :style="`${scanning ? 'color:grey' : ''}`">Scan Library Files</span>
-    <div class="uk-align-right">
-      <div uk-spinner x-show="scanning"></div>
-      <span x-show="!scanning && scanMs > 0" x-text="`Scan ${scanTitles} titles in ${scanMs}ms`"></span>
-    </div>
+<ul class="uk-list uk-list-large uk-list-divider" x-data="component()" x-init="init()">
+  <li><a class="uk-link-reset" href="<%= base_url %>admin/user">User Management</a></li>
+  <li>
+    <a class="uk-link-reset" @click="scan()">
+      <span :style="`${scanning ? 'color:grey' : ''}`">Scan Library Files</span>
+      <div class="uk-align-right">
+        <div uk-spinner x-show="scanning"></div>
+        <span x-show="!scanning && scanMs > 0" x-text="`Scan ${scanTitles} titles in ${scanMs}ms`"></span>
+      </div>
+    </a>
   </li>
-  <li :class="{'nopointer' : generating}" @click="generateThumbnails()">
-    <span :style="`${generating ? 'color:grey' : ''}`">Generate Thumbnails</span>
-    <div class="uk-align-right">
-      <span x-show="generating && progress > 0" x-text="`${(progress * 100).toFixed(2)}%`"></span>
-    </div>
+  <li>
+    <a class="uk-link-reset" @click="generateThumbnails()">
+      <span :style="`${generating ? 'color:grey' : ''}`">Generate Thumbnails</span>
+      <div class="uk-align-right">
+        <span x-show="generating && progress > 0" x-text="`${(progress * 100).toFixed(2)}%`"></span>
+      </div>
+    </a>
   </li>
-  <li class="nopointer">
+  <li>
     <span>Theme</span>
-    <select id="theme-select" class="uk-select uk-align-right uk-width-1-3@m uk-width-1-2">
+    <select id="theme-select" class="uk-select uk-align-right uk-width-1-3@m uk-width-1-2" :val="themeSetting" @change="themeChanged($event)">
       <option>Dark</option>
       <option>Light</option>
       <option>System</option>

src/views/components/card.html.ecr

@@ -76,7 +76,7 @@
         <% end %>
         <% if item.is_a? Title %>
           <% if grouped_count == 1 %>
-            <p class="uk-text-meta"><%= item.size %> entries</p>
+            <p class="uk-text-meta"><%= item.content_label %></p>
           <% else %>
             <p class="uk-text-meta"><%= grouped_count %> new entries</p>
           <% end %>

src/views/components/head.html.ecr

@@ -1,7 +1,7 @@
 <head>
   <meta charset="utf-8">
   <meta name="X-UA-Compatible" content="IE=edge">
-  <title>Mango</title>
+  <title>Mango - <%= page.split("-").map(&.capitalize).join(" ") %></title>
   <meta name="description" content="Mango - Manga Server and Web Reader">
   <meta name="viewport" content="width=device-width, initial-scale=1">
   <link rel="stylesheet" href="<%= base_url %>css/uikit.css" />
@@ -12,7 +12,7 @@
   <script defer src="<%= base_url %>js/fontawesome.min.js"></script>
   <script defer src="<%= base_url %>js/solid.min.js"></script>
   <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
-  <script type="module" src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.5.0/dist/alpine.min.js"></script>
-  <script nomodule src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.5.0/dist/alpine-ie11.min.js" defer></script>
+  <script type="module" src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.8.0/dist/alpine.min.js"></script>
+  <script nomodule src="https://cdn.jsdelivr.net/gh/alpinejs/alpine@v2.8.0/dist/alpine-ie11.min.js" defer></script>
   <script src="<%= base_url %>js/common.js"></script>
 </head>

src/views/components/tags.html.ecr

@@ -0,0 +1,12 @@
+<div class="uk-margin" x-data="tagsComponent()" x-cloak x-init="load(<%= is_admin %>)">
+  <p class="uk-text-meta" @selectstart.prevent>
+  <span style="position:relative; bottom:3px; margin-right:5px;">Tags: </span>
+  <template x-for="tag in tags" :key="tag">
+    <span class="uk-label uk-label-primary" style="padding:2px 5px; margin:0 5px 5px 5px; text-transform:none;">
+      <a class="uk-link-reset" x-show="isAdmin" @click="rm($event)" :id="`${tag}-rm`"><span uk-icon="close" style="margin-right: 5px; position: relative; bottom: 1.5px;"></span></a><a class="uk-link-reset" x-text="tag" :href="`<%= base_url %>tags/${encodeURIComponent(tag)}`"></a>
+    </span>
+  </template>
+  <a class="uk-link-reset" style="position:relative; bottom:3px;" :uk-icon="inputShown ? 'close' : 'plus'" @click="toggleInput($nextTick)" x-show="isAdmin"></a>
+  </p>
+  <input id="tag-input" class="uk-input" type="text" placeholder="Type in a new tag and hit enter" x-model="newTag" @keydown="keydown($event)" x-show="inputShown">
+</div>

src/views/download-manager.html.ecr

@@ -1,4 +1,4 @@
-<div id="root" x-data="{jobs: [], paused: undefined, loading: false, toggling: false}" x-init="load()">
+<div x-data="component()" x-init="init()">
   <div class="uk-margin">
     <button class="uk-button uk-button-default" @click="jobAction('delete')">Delete Completed Tasks</button>
     <button class="uk-button uk-button-default" @click="jobAction('retry')">Retry Failed Tasks</button>
@@ -51,9 +51,9 @@
           <td x-text="`${job.plugin_id || ''}`"></td>
 
           <td>
-            <a :onclick="`jobAction('delete', '${job.id}')`" uk-icon="trash"></a>
+            <a @click="jobAction('delete', $event)" uk-icon="trash"></a>
             <template x-if="job.status_message.length > 0">
-              <a :onclick="`jobAction('retry', '${job.id}')`" uk-icon="refresh"></a>
+              <a @click="jobAction('retry', $event)" uk-icon="refresh"></a>
             </template>
           </td>
         </tr>

src/views/layout.html.ecr

@@ -11,6 +11,7 @@
             <ul class="uk-nav-parent-icon uk-nav-primary uk-nav-center uk-margin-auto-vertical" uk-nav>
               <li><a href="<%= base_url %>">Home</a></li>
               <li><a href="<%= base_url %>library">Library</a></li>
+              <li><a href="<%= base_url %>tags">Tags</a></li>
               <% if is_admin %>
                 <li><a href="<%= base_url %>admin">Admin</a></li>
                 <li class="uk-parent">
@@ -40,6 +41,7 @@
           <ul class="uk-navbar-nav">
             <li><a href="<%= base_url %>">Home</a></li>
             <li><a href="<%= base_url %>library">Library</a></li>
+            <li><a href="<%= base_url %>tags">Tags</a></li>
             <% if is_admin %>
               <li><a href="<%= base_url %>admin">Admin</a></li>
               <li>

src/views/login.html.ecr

@@ -1,6 +1,7 @@
 <!DOCTYPE html>
 <html>
 
+  <% page = "Login" %>
   <%= render_component "head" %>
 
   <body>

src/views/reader-error.html.ecr

@@ -21,9 +21,7 @@
 
 <% content_for "script" do %>
   <script>
-    UIkit.modal('#modal').show().then(function() {
-      styleModal();
-    });
+    UIkit.modal('#modal').show();
     UIkit.util.on('#modal', 'hide', function() {
       location.href = "<%= base_url %>book/<%= entry.book.id %>";
     });

src/views/reader.html.ecr

@@ -1,21 +1,11 @@
 <!DOCTYPE html>
 <html class="reader-bg">
 
+  <% page = "Reader" %>
   <%= render_component "head" %>
 
-  <body style="position:relative;">
-    <div class="uk-section uk-section-default uk-section-small reader-bg"
-         id="root" 
-         :style="mode === 'continuous' ? '' : 'padding:0'"
-         x-data="{
-         loading: true, 
-         mode: 'continuous', // can be 'continuous', 'height' or 'width'
-         msg: 'Loading the web reader. Please wait...',
-         alertClass: 'uk-alert-primary',
-         items: [],
-         curItem: {},
-         flipAnimation: null
-         }">
+  <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 @keydown.window.debounce="keyHandler($event)"></div>
 
@@ -29,37 +19,38 @@
       </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'}">
         <div x-show="!loading && mode === 'continuous'" x-cloak>
           <template x-for="item in items">
             <img
-                    uk-img
-                    class="uk-align-center"
-                    :data-src="item.url"
-                    :width="item.width"
-                    :height="item.height"
-                    :id="item.id"
-                    :onclick="`showControl('${item.id}')`"
-                    />
+              uk-img
+              class="uk-align-center"
+              :style="item.style"
+              :data-src="item.url"
+              :width="item.width"
+              :height="item.height"
+              :id="item.id"
+              @click="showControl($event)"
+              />
           </template>
           <%- if next_entry_url -%>
             <button id="next-btn" class="uk-align-center uk-button uk-button-primary" @click="nextEntry('<%= next_entry_url %>')">Next Entry</button>
           <%- else -%>
-            <button id="next-btn" class="uk-align-center uk-button uk-button-primary" @click="redirect('<%= exit_url %>')">Exit Reader</button>
+            <button id="next-btn" class="uk-align-center uk-button uk-button-primary" @click="exitReader('<%= exit_url %>', true)">Exit Reader</button>
           <%- end -%>
         </div>
 
         <div x-cloak x-show="!loading && mode !== 'continuous'" class="uk-flex uk-flex-middle" style="height:100vh">
 
           <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" :onclick="`showControl('${curItem.id}')`" :style="`
-          width:${mode === 'width' ? '100vw' : 'auto'}; 
-          height:${mode === 'height' ? '100vh' : 'auto'}; 
-          margin-bottom:0;
-          `" />
+                               'uk-align-center': true, 
+                               'uk-animation-slide-left': flipAnimation === 'left', 
+                               'uk-animation-slide-right': flipAnimation === 'right'
+                               }" :data-src="curItem.url" :width="curItem.width" :height="curItem.height" :id="curItem.id" @click="showControl($event)" :style="`
+                                                                                                                                                                 width:${mode === 'width' ? '100vw' : 'auto'}; 
+                                                                                                                                                                 height:${mode === 'height' ? '100vh' : 'auto'}; 
+                                                                                                                                                                 margin-bottom:0;
+                                                                                                                                                                 `" />
 
           <div style="position:absolute;z-index:1; top:0;left:0; width:30%;height:100%;" @click="flipPage(false)"></div>
           <div style="position:absolute;z-index:1; top:0;right:0; width:30%;height:100%;" @click="flipPage(true)"></div>
@@ -82,7 +73,7 @@
           <div class="uk-margin">
             <label class="uk-form-label" for="page-select">Jump to page</label>
             <div class="uk-form-controls">
-              <select id="page-select" class="uk-select">
+              <select id="page-select" class="uk-select" @change="pageChanged()">
                 <%- (1..entry.pages).each do |p| -%>
                   <option value="<%= p %>"><%= p %></option>
                 <%- end -%>
@@ -92,7 +83,7 @@
           <div class="uk-margin">
             <label class="uk-form-label" for="mode-select">Mode</label>
             <div class="uk-form-controls">
-              <select id="mode-select" class="uk-select">
+              <select id="mode-select" class="uk-select" @change="modeChanged($nextTick)">
                 <option value="continuous">Continuous</option>
                 <option value="paged">Paged</option>
               </select>
@@ -100,14 +91,14 @@
           </div>
         </div>
         <div class="uk-modal-footer uk-text-right">
-          <button class="uk-button uk-button-danger" type="button" onclick="redirect('<%= exit_url %>')">Exit Reader</button>
+          <button class="uk-button uk-button-danger" type="button" @click="exitReader('<%= exit_url %>')">Exit Reader</button>
         </div>
       </div>
     </div>
 
     <script>
       const base_url = "<%= base_url %>";
-      const page = <%= page %>;
+      const page = <%= page_idx %>;
       const tid = "<%= title.id %>";
       const eid = "<%= entry.id %>";
     </script>
@@ -120,7 +111,7 @@
 
   <style>
 img[data-src][src*='data:image'] { background: white; }
-#root img { width: 100%; }
+img { width: 100%; }
   </style>
 
 </html>

src/views/tag.html.ecr

@@ -0,0 +1,30 @@
+<h2 class=uk-title>Tag: <%= tag %></h2>
+<p class="uk-text-meta"><%= titles.size %> <%= titles.size > 1 ? "titles" : "title" %> tagged</p>
+<div class="uk-grid-small" uk-grid>
+  <div class="uk-margin-bottom uk-width-3-4@s">
+    <form class="uk-search uk-search-default">
+      <span uk-search-icon></span>
+      <input class="uk-search-input" type="search" placeholder="Search">
+    </form>
+  </div>
+  <div class="uk-margin-bottom uk-width-1-4@s">
+    <% hash = {
+      "auto" => "Auto",
+      "time_modified" => "Date Modified",
+      "progress" => "Progress"
+    } %>
+    <%= render_component "sort-form" %>
+  </div>
+</div>
+<div class="uk-child-width-1-4@m uk-child-width-1-2" uk-grid>
+  <% titles.each_with_index do |item, i| %>
+    <% progress = percentage[i] %>
+    <%= render_component "card" %>
+  <% end %>
+</div>
+
+<% content_for "script" do %>
+  <%= render_component "dots-scripts" %>
+  <script src="<%= base_url %>js/search.js"></script>
+  <script src="<%= base_url %>js/sort-items.js"></script>
+<% end %>

src/views/tags.html.ecr

@@ -0,0 +1,8 @@
+<h2 class=uk-title>Tags</h2>
+<p class="uk-text-meta"><%= tags.size %> <%= tags.size > 1 ? "tags" : "tag" %> found</p>
+
+<% tags.each  do |tag| %>
+  <span class="uk-label uk-label-primary" style="padding:2px 5px; margin:0 5px 5px 5px; text-transform:none;">
+    <a class="uk-link-reset" href="<%= base_url %>tags/<%= tag[:encoded_tag] %>"><%= tag[:tag] %> (<%= tag[:count] %> <%= tag[:count] > 1 ? "titles" : "title" %>)</a>
+  </span>
+<% end %>

src/views/title.html.ecr

@@ -32,7 +32,10 @@
   <%- end -%>
   <li class="uk-disabled"><a><%= title.display_name %></a></li>
 </ul>
-<p class="uk-text-meta"><%= title.size %> entries found</p>
+<p class="uk-text-meta"><%= title.content_label %> found</p>
+
+<%= render_component "tags" %>
+
 <div class="uk-grid-small" uk-grid>
   <div class="uk-margin-bottom uk-width-3-4@s">
     <form class="uk-search uk-search-default">