Merge branch 'master' of https://github.com/hkalexling/Mango

.github/workflows/build.yml

@@ -8,9 +8,9 @@ on:
 
 jobs:
   build:
+    if: "!contains(github.event.head_commit.message, 'skip ci')"
 
     runs-on: ubuntu-latest
-
     container:
       image: crystallang/crystal:0.34.0-alpine
 
@@ -19,8 +19,13 @@ jobs:
     - name: Install dependencies
       run: apk add --no-cache yarn yaml sqlite-static
     - name: Build
-      run: make
+      run: make static
     - name: Linter
       run: make check
     - name: Run tests
       run: make test
+    - name: Upload artifact
+      uses: actions/upload-artifact@v2
+      with:
+        name: mango
+        path: mango

.gitignore

@@ -8,3 +8,4 @@ yarn.lock
 dist
 mango
 .env
+*.md

Makefile

@@ -25,6 +25,7 @@ test:
 check:
 	crystal tool format --check
 	./bin/ameba
+	./dev/linewidth.sh
 
 install:
 	cp mango $(INSTALL_DIR)/mango

README.md

@@ -35,7 +35,7 @@ Simply download the pre-built binary file `mango` for the latest [release](https
 
 ### Docker (via Dockerhub)
 
-The official docker images are available on [Dockerhub](https://hub.docker.com/r/hkalexling/mango). 
+The official docker images are available on [Dockerhub](https://hub.docker.com/r/hkalexling/mango).
 
 ### Build from source
 
@@ -50,7 +50,7 @@ The official docker images are available on [Dockerhub](https://hub.docker.com/r
 ### CLI
 
 ```
-Mango e-manga server/reader. Version 0.3.0
+Mango e-manga server/reader. Version 0.4.0
 
     -v, --version                    Show version
     -h, --help                       Show help
@@ -64,17 +64,19 @@ The default config file location is `~/.config/mango/config.yml`. It might be di
 ```yaml
 ---
 port: 9000
-library_path: /home/alex_ling/mango/library
-upload_path: /home/alex_ling/mango/uploads
-db_path: /home/alex_ling/mango/mango.db
+base_url: /
+db_path: ~/mango/mango.db
 scan_interval_minutes: 5
 log_level: info
+upload_path: ~/mango/uploads
 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` can be any non-negative integer. Setting it to `0` disables the periodic scan
@@ -94,8 +96,8 @@ You can organize your `.cbz/.zip` files in nested folders in the library directo
 └── Manga 2
     └── Vol. 1
         └── Ch.1 - Ch.3
-            ├── 1.zip 
-            ├── 2.zip 
+            ├── 1.zip
+            ├── 2.zip
             └── 3.zip
 ```
 
@@ -127,4 +129,6 @@ Mobile UI:
 
 ## Contributors
 
+Please check the [development guideline](https://github.com/hkalexling/Mango/wiki/Development) if you are interest in code contributions.
+
 [![](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)

dev/linewidth.sh

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+[ ! -z "$(grep '.\{80\}' --exclude-dir=lib --include="*.cr" -nr --color=always . | tee /dev/tty)" ] \
+	&& echo "The above lines exceed the 80 characters limit" \
+	|| exit 0

public/css/mango.css

@@ -36,7 +36,8 @@
 	word-wrap: break-word;
 }
 .uk-logo > img {
-	max-height: 90px;
+	height: 90px;
+	width: 90px;
 }
 .uk-search {
 	width: 100%;

public/js/admin.js

@@ -5,7 +5,7 @@ function scan() {
 	$('#scan-status > span').attr('hidden', '');
 	var color = $('#scan').css('color');
 	$('#scan').css('color', 'gray');
-	$.post('/api/admin/scan', function (data) {
+	$.post(base_url + 'api/admin/scan', function (data) {
 		var ms = data.milliseconds;
 		var titles = data.titles;
 		$('#scan-status > span').text('Scanned ' + titles + ' titles in ' + ms + 'ms');

public/js/download-manager.js

@@ -22,7 +22,7 @@ const loadConfig = () => {
 	globalConfig.autoRefresh = $('#auto-refresh').prop('checked');
 };
 const remove = (id) => {
-	var url = '/api/admin/mangadex/queue/delete';
+	var url = base_url + 'api/admin/mangadex/queue/delete';
 	if (id !== undefined)
 		url += '?' + $.param({id: id});
 	console.log(url);
@@ -43,7 +43,7 @@ const remove = (id) => {
 	});
 };
 const refresh = (id) => {
-	var url = '/api/admin/mangadex/queue/retry';
+	var url = base_url + 'api/admin/mangadex/queue/retry';
 	if (id !== undefined)
 		url += '?' + $.param({id: id});
 	console.log(url);
@@ -67,7 +67,7 @@ const toggle = () => {
 	$('#pause-resume-btn').attr('disabled', '');
 	const paused = $('#pause-resume-btn').text() === 'Resume download';
 	const action = paused ? 'resume' : 'pause';
-	const url = `/api/admin/mangadex/queue/${action}`;
+	const url = `${base_url}api/admin/mangadex/queue/${action}`;
 	$.ajax({
 		type: 'POST',
 		url: url,
@@ -87,7 +87,7 @@ const load = () => {
 	console.log('fetching');
 	$.ajax({
 		type: 'GET',
-		url: '/api/admin/mangadex/queue',
+		url: base_url + 'api/admin/mangadex/queue',
 		dataType: 'json'
 	})
 	.done(data => {

public/js/download.js

@@ -33,7 +33,7 @@ const download = () => {
 		console.log(ids);
 		$.ajax({
 			type: 'POST',
-			url: '/api/admin/mangadex/download',
+			url: base_url + 'api/admin/mangadex/download',
 			data: JSON.stringify({chapters: chapters}),
 			contentType: "application/json",
 			dataType: 'json'
@@ -47,7 +47,7 @@ const download = () => {
 			const successCount = parseInt(data.success);
 			const failCount = parseInt(data.fail);
 			UIkit.modal.confirm(`${successCount} of ${successCount + failCount} chapters added to the download queue. Proceed to the download manager?`).then(() => {
-				window.location.href = '/admin/downloads';
+				window.location.href = base_url + 'admin/downloads';
 			});
 			styleModal();
 		})
@@ -109,7 +109,7 @@ const search = () => {
 		return;
 	}
 
-	$.getJSON("/api/admin/mangadex/manga/" + int_id)
+	$.getJSON(`${base_url}api/admin/mangadex/manga/${int_id}`)
 		.done((data) => {
 			if (data.error) {
 				alert('danger', 'Failed to get manga info. Error: ' + data.error);

public/js/title.js

@@ -22,8 +22,8 @@ function showModal(encodedPath, pages, percentage, encodedeTitle, encodedEntryTi
 	$('#path-text').text(zipPath);
 	$('#pages-text').text(pages + ' pages');
 
-	$('#beginning-btn').attr('href', '/reader/' + titleID + '/' + entryID + '/1');
-	$('#continue-btn').attr('href', '/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);
@@ -39,7 +39,7 @@ function showModal(encodedPath, pages, percentage, encodedeTitle, encodedEntryTi
 }
 
 const updateProgress = (tid, eid, page) => {
-	let url = `/api/progress/${tid}/${page}`
+	let url = `${base_url}api/progress/${tid}/${page}`
 	const query = $.param({entry: eid});
 	if (eid)
 		url += `?${query}`;
@@ -66,7 +66,7 @@ const renameSubmit = (name, eid) => {
 	}
 
 	const query = $.param({ entry: eid });
-	let url = `/api/admin/display_name/${titleId}/${name}`;
+	let url = `${base_url}api/admin/display_name/${titleId}/${name}`;
 	if (eid)
 		url += `?${query}`;
 
@@ -130,7 +130,7 @@ const setupUpload = (eid) => {
 	if (eid)
 		queryObj['entry'] = eid;
 	const query = $.param(queryObj);
-	const url = `/api/admin/upload/cover?${query}`;
+	const url = `${base_url}api/admin/upload/cover?${query}`;
 	console.log(url);
 	UIkit.upload('.upload-field', {
 		url: url,

public/js/user-edit.js

@@ -1,5 +1,5 @@
 $(() => {
-	var target = '/admin/user/edit';
+	var target = base_url + 'admin/user/edit';
 	if (username) target += username;
 	$('form').attr('action', target);
 	if (error) alert('danger', error);

public/js/user.js

@@ -1,5 +1,5 @@
 function remove(username) {
-	$.post('/api/admin/user/delete/' + username, function(data) {
+	$.post(base_url + 'api/admin/user/delete/' + username, function(data) {
 		if (data.success) {
 			location.reload();
 		}

shard.yml

@@ -1,5 +1,5 @@
 name: mango
-version: 0.3.0
+version: 0.4.0
 
 authors:
   - Alex Ling <hkalexling@gmail.com>

spec/config_spec.cr

@@ -2,7 +2,7 @@ require "./spec_helper"
 
 describe Config do
   it "creates config if it does not exist" do
-    with_default_config do |_, _, path|
+    with_default_config do |_, path|
       File.exists?(path).should be_true
     end
   end

spec/rename_spec.cr

@@ -0,0 +1,71 @@
+require "./spec_helper"
+require "../src/rename"
+
+include Rename
+
+describe Rule do
+  it "raises on nested brackets" do
+    expect_raises Exception do
+      Rule.new "[[]]"
+    end
+    expect_raises Exception do
+      Rule.new "{{}}"
+    end
+  end
+
+  it "raises on unclosed brackets" do
+    expect_raises Exception do
+      Rule.new "["
+    end
+    expect_raises Exception do
+      Rule.new "{"
+    end
+    expect_raises Exception do
+      Rule.new "[{]}"
+    end
+  end
+
+  it "raises when closing unopened brackets" do
+    expect_raises Exception do
+      Rule.new "]"
+    end
+    expect_raises Exception do
+      Rule.new "[}"
+    end
+  end
+
+  it "handles `|` in patterns" do
+    rule = Rule.new "{a|b|c}"
+    rule.render({"b" => "b"}).should eq "b"
+    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"
+    end
+  end
+
+  it "handles spaces in patterns" do
+    rule = Rule.new "{  a }"
+    rule.render({"a" => "a"}).should eq "a"
+  end
+
+  it "strips leading and tailing spaces" do
+    rule = Rule.new "  hello "
+    rule.render({"a" => "a"}).should eq "hello"
+  end
+
+  it "renders a few examples correctly" do
+    rule = Rule.new "[Ch. {chapter }] {title | id} testing"
+    rule.render({"id" => "ID"}).should eq "ID testing"
+    rule.render({"chapter" => "CH", "id" => "ID"})
+      .should eq "Ch. CH ID testing"
+    rule.render({} of String => String).should eq "testing"
+  end
+end

spec/spec_helper.cr

@@ -1,6 +1,6 @@
 require "spec"
-require "../src/context"
 require "../src/server"
+require "../src/config"
 
 class State
   @@hash = {} of String => String
@@ -37,15 +37,15 @@ end
 def with_default_config
   temp_config = get_tempfile "mango-test-config"
   config = Config.load temp_config.path
-  logger = Logger.new config.log_level
-  yield config, logger, temp_config.path
+  config.set_current
+  yield config, temp_config.path
   temp_config.delete
 end
 
 def with_storage
-  with_default_config do |_, logger|
+  with_default_config do
     temp_db = get_tempfile "mango-test-db"
-    storage = Storage.new temp_db.path, logger
+    storage = Storage.new temp_db.path
     clear = yield storage, temp_db.path
     if clear == true
       temp_db.delete
@@ -54,9 +54,9 @@ def with_storage
 end
 
 def with_queue
-  with_default_config do |_, logger|
+  with_default_config do
     temp_queue_db = get_tempfile "mango-test-queue-db"
-    queue = MangaDex::Queue.new temp_queue_db.path, logger
+    queue = MangaDex::Queue.new temp_queue_db.path
     clear = yield queue, temp_queue_db.path
     if clear == true
       temp_queue_db.delete

src/config.cr

@@ -4,6 +4,7 @@ class Config
   include YAML::Serializable
 
   property port : Int32 = 9000
+  property base_url : String = "/"
   property library_path : String = File.expand_path "~/mango/library",
     home: true
   property db_path : String = File.expand_path "~/mango/mango.db", home: true
@@ -22,13 +23,26 @@ class Config
     "download_retries"       => 4,
     "download_queue_db_path" => File.expand_path("~/mango/queue.db",
       home: true),
+    "chapter_rename_rule" => "[Vol.{volume} ][Ch.{chapter} ]{title|id}",
+    "manga_rename_rule"   => "{title}",
   }
 
+  @@singlet : Config?
+
+  def self.current
+    @@singlet.not_nil!
+  end
+
+  def set_current
+    @@singlet = self
+  end
+
   def self.load(path : String?)
     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
+      config.preprocess
       config.fill_defaults
       return config
     end
@@ -58,4 +72,13 @@ class Config
       end
     {% end %}
   end
+
+  def preprocess
+    unless base_url.starts_with? "/"
+      raise "base url (#{base_url}) should start with `/`"
+    end
+    unless base_url.ends_with? "/"
+      @base_url += "/"
+    end
+  end
 end

src/context.cr

@@ -1,21 +0,0 @@
-require "./config"
-require "./library"
-require "./storage"
-require "./logger"
-
-class Context
-  property config : Config
-  property library : Library
-  property storage : Storage
-  property logger : Logger
-  property queue : MangaDex::Queue
-
-  def initialize(@config, @logger, @library, @storage, @queue)
-  end
-
-  {% for lvl in Logger::LEVELS %}
-      def {{lvl.id}}(msg)
-          @logger.{{lvl.id}} msg
-      end
-  {% end %}
-end

src/handlers/auth_handler.cr

@@ -11,7 +11,7 @@ class AuthHandler < Kemal::Handler
 
     cookie = env.request.cookies.find { |c| c.name == "token" }
     if cookie.nil? || !@storage.verify_token cookie.value
-      return env.redirect "/login"
+      return redirect env, "/login"
     end
 
     if request_path_startswith env, ["/admin", "/api/admin", "/download"]

src/handlers/log_handler.cr

@@ -2,20 +2,17 @@ require "kemal"
 require "../logger"
 
 class LogHandler < Kemal::BaseLogHandler
-  def initialize(@logger : Logger)
-  end
-
   def call(env)
     elapsed_time = Time.measure { call_next env }
     elapsed_text = elapsed_text elapsed_time
     msg = "#{env.response.status_code} #{env.request.method}" \
           " #{env.request.resource} #{elapsed_text}"
-    @logger.debug msg
+    Logger.debug msg
     env
   end
 
   def write(msg)
-    @logger.debug msg
+    Logger.debug msg
   end
 
   private def elapsed_text(elapsed)

src/handlers/upload_handler.cr

@@ -11,7 +11,9 @@ class UploadHandler < Kemal::Handler
       return call_next env
     end
 
-    ary = env.request.path.split(File::SEPARATOR).select { |part| !part.empty? }
+    ary = env.request.path.split(File::SEPARATOR).select do |part|
+      !part.empty?
+    end
     ary[0] = @upload_dir
     path = File.join ary
 

src/library.cr

@@ -57,7 +57,7 @@ class Entry
   end
 
   def cover_url
-    url = "/api/page/#{@title_id}/#{@id}/1"
+    url = "#{Config.current.base_url}api/page/#{@title_id}/#{@id}/1"
     TitleInfo.new @book.dir do |info|
       info_url = info.entry_cover_url[@title]?
       unless info_url.nil? || info_url.empty?
@@ -97,7 +97,7 @@ class Title
     encoded_title : String, mtime : Time
 
   def initialize(@dir : String, @parent_id, storage,
-                 @logger : Logger, @library : Library)
+                 @library : Library)
     @id = storage.get_id @dir, true
     @title = File.basename dir
     @encoded_title = URI.encode @title
@@ -109,7 +109,7 @@ class Title
       next if fn.starts_with? "."
       path = File.join dir, fn
       if File.directory? path
-        title = Title.new path, @id, storage, @logger, library
+        title = Title.new path, @id, storage, library
         next if title.entries.size == 0 && title.titles.size == 0
         @library.title_hash[title.id] = title
         @title_ids << title.id
@@ -118,9 +118,9 @@ class Title
       if [".zip", ".cbz"].includes? File.extname path
         zip_exception = validate_zip path
         unless zip_exception.nil?
-          @logger.warn "File #{path} is corrupted or is not a valid zip " \
-                       "archive. Ignoring it."
-          @logger.debug "Zip error: #{zip_exception}"
+          Logger.warn "File #{path} is corrupted or is not a valid zip " \
+                      "archive. Ignoring it."
+          Logger.debug "Zip error: #{zip_exception}"
           next
         end
         entry = Entry.new path, self, @id, storage
@@ -367,9 +367,19 @@ end
 
 class Library
   property dir : String, title_ids : Array(String), scan_interval : Int32,
-    logger : Logger, storage : Storage, title_hash : Hash(String, Title)
+    storage : Storage, title_hash : Hash(String, Title)
 
-  def initialize(@dir, @scan_interval, @logger, @storage)
+  def self.default : self
+    unless @@default
+      @@default = new
+    end
+    @@default.not_nil!
+  end
+
+  def initialize
+    @storage = Storage.default
+    @dir = Config.current.library_path
+    @scan_interval = Config.current.scan_interval
     # explicitly initialize @titles to bypass the compiler check. it will
     #   be filled with actual Titles in the `scan` call below
     @title_ids = [] of String
@@ -381,7 +391,7 @@ class Library
         start = Time.local
         scan
         ms = (Time.local - start).total_milliseconds
-        @logger.info "Scanned #{@title_ids.size} titles in #{ms}ms"
+        Logger.info "Scanned #{@title_ids.size} titles in #{ms}ms"
         sleep @scan_interval * 60
       end
     end
@@ -410,8 +420,8 @@ class Library
 
   def scan
     unless Dir.exists? @dir
-      @logger.info "The library directory #{@dir} does not exist. " \
-                   "Attempting to create it"
+      Logger.info "The library directory #{@dir} does not exist. " \
+                  "Attempting to create it"
       Dir.mkdir_p @dir
     end
     @title_ids.clear
@@ -419,13 +429,13 @@ class Library
       .select { |fn| !fn.starts_with? "." }
       .map { |fn| File.join @dir, fn }
       .select { |path| File.directory? path }
-      .map { |path| Title.new path, "", @storage, @logger, self }
+      .map { |path| Title.new path, "", @storage, self }
       .select { |title| !(title.entries.empty? && title.titles.empty?) }
       .sort { |a, b| a.title <=> b.title }
       .each do |title|
         @title_hash[title.id] = title
         @title_ids << title.id
       end
-    @logger.debug "Scan completed"
+    Logger.debug "Scan completed"
   end
 end

src/logger.cr

@@ -8,7 +8,15 @@ class Logger
 
   @@severity : Log::Severity = :info
 
-  def initialize(level : String)
+  def self.default : self
+    unless @@default
+      @@default = new
+    end
+    @@default.not_nil!
+  end
+
+  def initialize
+    level = Config.current.log_level
     {% begin %}
       case level.downcase
       when "off"
@@ -50,9 +58,16 @@ class Logger
     @backend.write Log::Entry.new "", Log::Severity::None, msg, nil
   end
 
+  def self.log(msg)
+    default.log msg
+  end
+
   {% for lvl in LEVELS %}
     def {{lvl.id}}(msg)
       @log.{{lvl.id}} { msg }
     end
+    def self.{{lvl.id}}(msg)
+      default.not_nil!.{{lvl.id}} msg
+    end
   {% end %}
 end

src/mangadex/api.cr

@@ -1,6 +1,7 @@
 require "http/client"
 require "json"
 require "csv"
+require "../rename"
 
 macro string_properties(names)
   {% for name in names %}
@@ -14,6 +15,14 @@ macro parse_strings_from_json(names)
   {% end %}
 end
 
+macro properties_to_hash(names)
+  {
+    {% for name in names %}
+      "{{name.id}}" => @{{name.id}}.to_s,
+    {% end %}
+  }
+end
+
 module MangaDex
   class Chapter
     string_properties ["lang_code", "title", "volume", "chapter"]
@@ -64,16 +73,20 @@ module MangaDex
         gname = obj["group_name#{s}"].as_s
         @groups << {gid, gname}
       end
-      @full_title = @title
-      unless @chapter.empty?
-        @full_title = "Ch.#{@chapter} " + @full_title
-      end
-      unless @volume.empty?
-        @full_title = "Vol.#{@volume} " + @full_title
-      end
+
+      rename_rule = Rename::Rule.new \
+        Config.current.mangadex["chapter_rename_rule"].to_s
+      @full_title = rename rename_rule
     rescue e
       raise "failed to parse json: #{e}"
     end
+
+    def rename(rule : Rename::Rule)
+      hash = properties_to_hash ["id", "title", "volume", "chapter",
+                                 "lang_code", "language", "pages"]
+      hash["groups"] = @groups.map { |g| g[1] }.join ","
+      rule.render hash
+    end
   end
 
   class Manga
@@ -111,10 +124,23 @@ module MangaDex
     rescue e
       raise "failed to parse json: #{e}"
     end
+
+    def rename(rule : Rename::Rule)
+      rule.render properties_to_hash ["id", "title", "author", "artist"]
+    end
   end
 
   class API
-    def initialize(@base_url = "https://mangadex.org/api/")
+    def self.default : self
+      unless @@default
+        @@default = new
+      end
+      @@default.not_nil!
+    end
+
+    def initialize
+      @base_url = Config.current.mangadex["api_url"].to_s ||
+                  "https://mangadex.org/api/"
       @lang = {} of String => String
       CSV.each_row {{read_file "src/assets/lang_codes.csv"}} do |row|
         @lang[row[1]] = row[0]

src/mangadex/downloader.cr

@@ -1,5 +1,6 @@
 require "./api"
 require "sqlite3"
+require "zip"
 
 module MangaDex
   class PageJob
@@ -79,12 +80,21 @@ module MangaDex
 
   class Queue
     property downloader : Downloader?
+    @path : String
 
-    def initialize(@path : String, @logger : Logger)
-      dir = File.dirname path
+    def self.default : self
+      unless @@default
+        @@default = new
+      end
+      @@default.not_nil!
+    end
+
+    def initialize(db_path : String? = nil)
+      @path = db_path || Config.current.mangadex["download_queue_db_path"].to_s
+      dir = File.dirname @path
       unless Dir.exists? dir
-        @logger.info "The queue DB directory #{dir} does not exist. " \
-                     "Attepmting to create it"
+        Logger.info "The queue DB directory #{dir} does not exist. " \
+                    "Attepmting to create it"
         Dir.mkdir_p dir
       end
       DB.open "sqlite3://#{@path}" do |db|
@@ -101,7 +111,7 @@ module MangaDex
           db.exec "create index if not exists status_idx " \
                   "on queue (status)"
         rescue e
-          @logger.error "Error when checking tables in DB: #{e}"
+          Logger.error "Error when checking tables in DB: #{e}"
           raise e
         end
       end
@@ -254,11 +264,22 @@ module MangaDex
 
   class Downloader
     property stopped = false
+    @wait_seconds : Int32 = Config.current.mangadex["download_wait_seconds"]
+      .to_i32
+    @retries : Int32 = Config.current.mangadex["download_retries"].to_i32
+    @library_path : String = Config.current.library_path
     @downloading = false
 
-    def initialize(@queue : Queue, @api : API, @library_path : String,
-                   @wait_seconds : Int32, @retries : Int32,
-                   @logger : Logger)
+    def self.default : self
+      unless @@default
+        @@default = new
+      end
+      @@default.not_nil!
+    end
+
+    def initialize
+      @queue = Queue.default
+      @api = API.default
       @queue.downloader = self
 
       spawn do
@@ -270,7 +291,7 @@ module MangaDex
             next if job.nil?
             download job
           rescue e
-            @logger.error e
+            Logger.error e
           end
         end
       end
@@ -282,7 +303,7 @@ module MangaDex
       begin
         chapter = @api.get_chapter(job.id)
       rescue e
-        @logger.error e
+        Logger.error e
         @queue.set_status JobStatus::Error, job
         unless e.message.nil?
           @queue.add_message e.message.not_nil!, job
@@ -292,7 +313,9 @@ module MangaDex
       end
       @queue.set_pages chapter.pages.size, job
       lib_dir = @library_path
-      manga_dir = File.join lib_dir, chapter.manga.title
+      rename_rule = Rename::Rule.new \
+        Config.current.mangadex["manga_rename_rule"].to_s
+      manga_dir = File.join lib_dir, chapter.manga.rename rename_rule
       unless File.exists? manga_dir
         Dir.mkdir_p manga_dir
       end
@@ -310,16 +333,16 @@ module MangaDex
           ext = File.extname fn
           fn = "#{i.to_s.rjust len, '0'}#{ext}"
           page_job = PageJob.new url, fn, writer, @retries
-          @logger.debug "Downloading #{url}"
+          Logger.debug "Downloading #{url}"
           loop do
             sleep @wait_seconds.seconds
             download_page page_job
             break if page_job.success ||
                      page_job.tries_remaning <= 0
             page_job.tries_remaning -= 1
-            @logger.warn "Failed to download page #{url}. " \
-                         "Retrying... Remaining retries: " \
-                         "#{page_job.tries_remaning}"
+            Logger.warn "Failed to download page #{url}. " \
+                        "Retrying... Remaining retries: " \
+                        "#{page_job.tries_remaning}"
           end
 
           channel.send page_job
@@ -330,8 +353,8 @@ module MangaDex
         page_jobs = [] of PageJob
         chapter.pages.size.times do
           page_job = channel.receive
-          @logger.debug "[#{page_job.success ? "success" : "failed"}] " \
-                        "#{page_job.url}"
+          Logger.debug "[#{page_job.success ? "success" : "failed"}] " \
+                       "#{page_job.url}"
           page_jobs << page_job
           if page_job.success
             @queue.add_success job
@@ -339,14 +362,14 @@ module MangaDex
             @queue.add_fail job
             msg = "Failed to download page #{page_job.url}"
             @queue.add_message msg, job
-            @logger.error msg
+            Logger.error msg
           end
         end
         fail_count = page_jobs.count { |j| !j.success }
-        @logger.debug "Download completed. " \
-                      "#{fail_count}/#{page_jobs.size} failed"
+        Logger.debug "Download completed. " \
+                     "#{fail_count}/#{page_jobs.size} failed"
         writer.close
-        @logger.debug "cbz File created at #{zip_path}"
+        Logger.debug "cbz File created at #{zip_path}"
 
         zip_exception = validate_zip zip_path
         if !zip_exception.nil?
@@ -363,7 +386,7 @@ module MangaDex
     end
 
     private def download_page(job : PageJob)
-      @logger.debug "downloading #{job.url}"
+      Logger.debug "downloading #{job.url}"
       headers = HTTP::Headers{
         "User-agent" => "Mangadex.cr",
       }
@@ -377,7 +400,7 @@ module MangaDex
         end
         job.success = true
       rescue e
-        @logger.error e
+        Logger.error e
         job.success = false
       end
     end

src/mango.cr

@@ -1,9 +1,9 @@
+require "./config"
 require "./server"
-require "./context"
 require "./mangadex/*"
 require "option_parser"
 
-VERSION = "0.3.0"
+VERSION = "0.4.0"
 
 config_path = nil
 
@@ -19,23 +19,14 @@ OptionParser.parse do |parser|
     exit
   end
   parser.on "-c PATH", "--config=PATH",
-    "Path to the config file. Default is `~/.config/mango/config.yml`" do |path|
+    "Path to the config file. " \
+    "Default is `~/.config/mango/config.yml`" do |path|
     config_path = path
   end
 end
 
-config = Config.load config_path
-logger = Logger.new config.log_level
-storage = Storage.new config.db_path, logger
-library = Library.new config.library_path, config.scan_interval, logger, storage
-queue = MangaDex::Queue.new config.mangadex["download_queue_db_path"].to_s,
-  logger
-api = MangaDex::API.new config.mangadex["api_url"].to_s
-MangaDex::Downloader.new queue, api, config.library_path,
-  config.mangadex["download_wait_seconds"].to_i,
-  config.mangadex["download_retries"].to_i, logger
+Config.load(config_path).set_current
+MangaDex::Downloader.default
 
-context = Context.new config, logger, library, storage, queue
-
-server = Server.new context
+server = Server.new
 server.start

src/rename.cr

@@ -0,0 +1,141 @@
+module Rename
+  alias VHash = Hash(String, String)
+
+  abstract class Base(T)
+    @ary = [] of T
+
+    def push(var)
+      @ary.push var
+    end
+
+    abstract def render(hash : VHash)
+  end
+
+  class Variable < Base(String)
+    property id : String
+
+    def initialize(@id)
+    end
+
+    def render(hash : VHash)
+      hash[@id]? || ""
+    end
+  end
+
+  class Pattern < Base(Variable)
+    def render(hash : VHash)
+      @ary.each do |v|
+        if hash.has_key? v.id
+          return v.render hash
+        end
+      end
+      ""
+    end
+  end
+
+  class Group < Base(Pattern | String)
+    def render(hash : VHash)
+      return "" if @ary.select(&.is_a? Pattern)
+                     .any? &.as(Pattern).render(hash).empty?
+      @ary.map do |e|
+        if e.is_a? Pattern
+          e.render hash
+        else
+          e
+        end
+      end.join
+    end
+  end
+
+  class Rule < Base(Group | String | Pattern)
+    ESCAPE = ['/']
+
+    def initialize(str : String)
+      parse! str
+    rescue e
+      raise "Failed to parse rename rule #{str}. Error: #{e}"
+    end
+
+    private def parse!(str : String)
+      chars = [] of Char
+      pattern : Pattern? = nil
+      group : Group? = nil
+
+      str.each_char_with_index do |char, i|
+        if ['[', ']', '{', '}', '|'].includes?(char) && !chars.empty?
+          string = chars.join
+          if !pattern.nil?
+            pattern.push Variable.new string.strip
+          elsif !group.nil?
+            group.push string
+          else
+            @ary.push string
+          end
+          chars = [] of Char
+        end
+
+        case char
+        when '['
+          if !group.nil? || !pattern.nil?
+            raise "nested groups are not allowed"
+          end
+          group = Group.new
+        when ']'
+          if group.nil?
+            raise "unmatched ] at position #{i}"
+          end
+          if !pattern.nil?
+            raise "patterns (`{}`) should be closed before closing the " \
+                  "group (`[]`)"
+          end
+          @ary.push group
+          group = nil
+        when '{'
+          if !pattern.nil?
+            raise "nested patterns are not allowed"
+          end
+          pattern = Pattern.new
+        when '}'
+          if pattern.nil?
+            raise "unmatched } at position #{i}"
+          end
+          if !group.nil?
+            group.push pattern
+          else
+            @ary.push pattern
+          end
+          pattern = nil
+        when '|'
+          if pattern.nil?
+            chars.push char
+          end
+        else
+          if ESCAPE.includes? char
+            raise "the character #{char} at position #{i} is not allowed"
+          end
+          chars.push char
+        end
+      end
+
+      unless chars.empty?
+        @ary.push chars.join
+      end
+      if !pattern.nil?
+        raise "unclosed pattern {"
+      end
+      if !group.nil?
+        raise "unclosed group ["
+      end
+    end
+
+    def render(hash : VHash)
+      @ary.map do |e|
+        if e.is_a? String
+          e
+        else
+          e.render hash
+        end
+      end.join.strip
+    end
+  end
+end

src/routes/admin.cr

@@ -1,7 +1,7 @@
 require "./router"
 
 class AdminRouter < Router
-  def setup
+  def initialize
     get "/admin" do |env|
       layout "admin"
     end
@@ -48,13 +48,13 @@ class AdminRouter < Router
 
       @context.storage.new_user username, password, admin
 
-      env.redirect "/admin/user"
+      redirect env, "/admin/user"
     rescue e
       @context.error e
       redirect_url = URI.new \
         path: "/admin/user/edit",
         query: hash_to_query({"error" => e.message})
-      env.redirect redirect_url.to_s
+      redirect env, redirect_url.to_s
     end
 
     post "/admin/user/edit/:original_username" do |env|
@@ -85,18 +85,18 @@ class AdminRouter < Router
       @context.storage.update_user \
         original_username, username, password, admin
 
-      env.redirect "/admin/user"
+      redirect env, "/admin/user"
     rescue e
       @context.error e
       redirect_url = URI.new \
         path: "/admin/user/edit",
         query: hash_to_query({"username" => original_username, \
                                  "admin" => admin, "error" => e.message})
-      env.redirect redirect_url.to_s
+      redirect env, redirect_url.to_s
     end
 
     get "/admin/downloads" do |env|
-      base_url = @context.config.mangadex["base_url"]
+      mangadex_base_url = Config.current.mangadex["base_url"]
       layout "download-manager"
     end
   end

src/routes/api.cr

@@ -3,7 +3,7 @@ require "../mangadex/*"
 require "../upload"
 
 class APIRouter < Router
-  def setup
+  def initialize
     get "/api/page/:tid/:eid/:page" do |env|
       begin
         tid = env.params.url["tid"]
@@ -123,7 +123,7 @@ class APIRouter < Router
     get "/api/admin/mangadex/manga/:id" do |env|
       begin
         id = env.params.url["id"]
-        api = MangaDex::API.new @context.config.mangadex["api_url"].to_s
+        api = MangaDex::API.default
         manga = api.get_manga id
         send_json env, manga.to_info_json
       rescue e
@@ -230,7 +230,7 @@ class APIRouter < Router
             end
 
             ext = File.extname filename
-            upload = Upload.new @context.config.upload_path, @context.logger
+            upload = Upload.new Config.current.upload_path
             url = upload.path_to_url upload.save "img", ext, part.body
 
             if url.nil?

src/routes/main.cr

@@ -1,8 +1,9 @@
 require "./router"
 
 class MainRouter < Router
-  def setup
+  def initialize
     get "/login" do |env|
+      base_url = Config.current.base_url
       render "src/views/login.ecr"
     end
 
@@ -13,7 +14,7 @@ class MainRouter < Router
       rescue e
         @context.error "Error when attempting to log out: #{e}"
       ensure
-        env.redirect "/login"
+        redirect env, "/login"
       end
     end
 
@@ -26,9 +27,9 @@ class MainRouter < Router
         cookie = HTTP::Cookie.new "token", token
         cookie.expires = Time.local.shift years: 1
         env.response.cookies << cookie
-        env.redirect "/"
+        redirect env, "/"
       rescue
-        env.redirect "/login"
+        redirect env, "/login"
       end
     end
 
@@ -59,7 +60,7 @@ class MainRouter < Router
     end
 
     get "/download" do |env|
-      base_url = @context.config.mangadex["base_url"]
+      mangadex_base_url = Config.current.mangadex["base_url"]
       layout "download"
     end
   end

src/routes/reader.cr

@@ -1,7 +1,7 @@
 require "./router"
 
 class ReaderRouter < Router
-  def setup
+  def initialize
     get "/reader/:title/:entry" do |env|
       begin
         title = (@context.library.get_title env.params.url["title"]).not_nil!
@@ -15,7 +15,7 @@ class ReaderRouter < Router
         #   might not have actually read them
         page = [page - 2 * IMGS_PER_PAGE, 1].max
 
-        env.redirect "/reader/#{title.id}/#{entry.id}/#{page}"
+        redirect env, "/reader/#{title.id}/#{entry.id}/#{page}"
       rescue e
         @context.error e
         env.response.status_code = 404
@@ -24,6 +24,8 @@ class ReaderRouter < Router
 
     get "/reader/:title/:entry/:page" do |env|
       begin
+        base_url = Config.current.base_url
+
         title = (@context.library.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
@@ -35,20 +37,20 @@ class ReaderRouter < Router
 
         pages = (page...[entry.pages + 1, page + IMGS_PER_PAGE].min)
         urls = pages.map { |idx|
-          "/api/page/#{title.id}/#{entry.id}/#{idx}"
+          "#{base_url}api/page/#{title.id}/#{entry.id}/#{idx}"
         }
         reader_urls = pages.map { |idx|
-          "/reader/#{title.id}/#{entry.id}/#{idx}"
+          "#{base_url}reader/#{title.id}/#{entry.id}/#{idx}"
         }
         next_page = page + IMGS_PER_PAGE
         next_url = next_entry_url = nil
-        exit_url = "/book/#{title.id}"
+        exit_url = "#{base_url}book/#{title.id}"
         next_entry = title.next_entry entry
         unless next_page > entry.pages
-          next_url = "/reader/#{title.id}/#{entry.id}/#{next_page}"
+          next_url = "#{base_url}reader/#{title.id}/#{entry.id}/#{next_page}"
         end
         unless next_entry.nil?
-          next_entry_url = "/reader/#{title.id}/#{next_entry.id}"
+          next_entry_url = "#{base_url}reader/#{title.id}/#{next_entry.id}"
         end
 
         render "src/views/reader.ecr"

src/routes/router.cr

@@ -1,6 +1,3 @@
-require "../context"
-
 class Router
-  def initialize(@context : Context)
-  end
+  @context : Context = Context.default
 end

src/server.cr

@@ -1,11 +1,38 @@
 require "kemal"
-require "./context"
+require "./library"
 require "./handlers/*"
 require "./util"
 require "./routes/*"
 
+class Context
+  property library : Library
+  property storage : Storage
+  property queue : MangaDex::Queue
+
+  def self.default : self
+    unless @@default
+      @@default = new
+    end
+    @@default.not_nil!
+  end
+
+  def initialize
+    @storage = Storage.default
+    @library = Library.default
+    @queue = MangaDex::Queue.default
+  end
+
+  {% for lvl in Logger::LEVELS %}
+      def {{lvl.id}}(msg)
+          Logger.{{lvl.id}} msg
+      end
+  {% end %}
+end
+
 class Server
-  def initialize(@context : Context)
+  @context : Context = Context.default
+
+  def initialize
     error 403 do |env|
       message = "HTTP 403: You are not authorized to visit #{env.request.path}"
       layout "message"
@@ -14,20 +41,23 @@ class Server
       message = "HTTP 404: Mango cannot find the page #{env.request.path}"
       layout "message"
     end
-    error 500 do |env|
-      message = "HTTP 500: Internal server error. Please try again later."
-      layout "message"
-    end
 
-    MainRouter.new(@context).setup
-    AdminRouter.new(@context).setup
-    ReaderRouter.new(@context).setup
-    APIRouter.new(@context).setup
+    {% if flag?(:release) %}
+      error 500 do |env|
+        message = "HTTP 500: Internal server error. Please try again later."
+        layout "message"
+      end
+    {% end %}
+
+    MainRouter.new
+    AdminRouter.new
+    ReaderRouter.new
+    APIRouter.new
 
     Kemal.config.logging = false
-    add_handler LogHandler.new @context.logger
+    add_handler LogHandler.new
     add_handler AuthHandler.new @context.storage
-    add_handler UploadHandler.new @context.config.upload_path
+    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."
@@ -41,7 +71,7 @@ class Server
     {% if flag?(:release) %}
       Kemal.config.env = "production"
     {% end %}
-    Kemal.config.port = @context.config.port
+    Kemal.config.port = Config.current.port
     Kemal.run
   end
 end

src/storage.cr

@@ -13,14 +13,24 @@ def verify_password(hash, pw)
 end
 
 class Storage
-  def initialize(@path : String, @logger : Logger)
-    dir = File.dirname path
+  @path : String
+
+  def self.default : self
+    unless @@default
+      @@default = new
+    end
+    @@default.not_nil!
+  end
+
+  def initialize(db_path : String? = nil)
+    @path = db_path || Config.current.db_path
+    dir = File.dirname @path
     unless Dir.exists? dir
-      @logger.info "The DB directory #{dir} does not exist. " \
-                   "Attepmting to create it"
+      Logger.info "The DB directory #{dir} does not exist. " \
+                  "Attepmting to create it"
       Dir.mkdir_p dir
     end
-    DB.open "sqlite3://#{path}" do |db|
+    DB.open "sqlite3://#{@path}" do |db|
       begin
         # We create the `ids` table first. even if the uses has an
         #   early version installed and has the `user` table only,
@@ -34,19 +44,19 @@ class Storage
                 "(username text, password text, token text, admin integer)"
       rescue e
         unless e.message.not_nil!.ends_with? "already exists"
-          @logger.fatal "Error when checking tables in DB: #{e}"
+          Logger.fatal "Error when checking tables in DB: #{e}"
           raise e
         end
       else
-        @logger.debug "Creating DB file at #{@path}"
+        Logger.debug "Creating DB file at #{@path}"
         db.exec "create unique index username_idx on users (username)"
         db.exec "create unique index token_idx on users (token)"
         random_pw = random_str
         hash = hash_password random_pw
         db.exec "insert into users values (?, ?, ?, ?)",
           "admin", hash, nil, 1
-        @logger.log "Initial user created. You can log in with " \
-                    "#{{"username" => "admin", "password" => random_pw}}"
+        Logger.log "Initial user created. You can log in with " \
+                   "#{{"username" => "admin", "password" => random_pw}}"
       end
     end
   end
@@ -58,18 +68,18 @@ class Storage
                                    "users where username = (?)",
           username, as: {String, String?}
         unless verify_password hash, password
-          @logger.debug "Password does not match the hash"
+          Logger.debug "Password does not match the hash"
           return nil
         end
-        @logger.debug "User #{username} verified"
+        Logger.debug "User #{username} verified"
         return token if token
         token = random_str
-        @logger.debug "Updating token for #{username}"
+        Logger.debug "Updating token for #{username}"
         db.exec "update users set token = (?) where username = (?)",
           token, username
         return token
       rescue e
-        @logger.error "Error when verifying user #{username}: #{e}"
+        Logger.error "Error when verifying user #{username}: #{e}"
         return nil
       end
     end
@@ -82,7 +92,7 @@ class Storage
         username = db.query_one "select username from users where " \
                                 "token = (?)", token, as: String
       rescue e
-        @logger.debug "Unable to verify token"
+        Logger.debug "Unable to verify token"
       end
     end
     username
@@ -95,7 +105,7 @@ class Storage
         is_admin = db.query_one "select admin from users where " \
                                 "token = (?)", token, as: Bool
       rescue e
-        @logger.debug "Unable to verify user as admin"
+        Logger.debug "Unable to verify user as admin"
       end
     end
     is_admin

src/upload.cr

@@ -1,10 +1,10 @@
 require "./util"
 
 class Upload
-  def initialize(@dir : String, @logger : Logger)
+  def initialize(@dir : String)
     unless Dir.exists? @dir
-      @logger.info "The uploads directory #{@dir} does not exist. " \
-                   "Attempting to create it"
+      Logger.info "The uploads directory #{@dir} does not exist. " \
+                  "Attempting to create it"
       Dir.mkdir_p @dir
     end
   end
@@ -19,7 +19,7 @@ class Upload
     file_path = File.join full_dir, filename
 
     unless Dir.exists? full_dir
-      @logger.debug "creating directory #{full_dir}"
+      Logger.debug "creating directory #{full_dir}"
       Dir.mkdir_p full_dir
     end
 
@@ -50,7 +50,7 @@ class Upload
     end
 
     if ary.empty?
-      @logger.warn "File #{path} is not in the upload directory #{@dir}"
+      Logger.warn "File #{path} is not in the upload directory #{@dir}"
       return
     end
 

src/util.cr

@@ -4,6 +4,7 @@ IMGS_PER_PAGE     = 5
 UPLOAD_URL_PREFIX = "/uploads"
 
 macro layout(name)
+  base_url = Config.current.base_url
   begin
     cookie = env.request.cookies.find { |c| c.name == "token" }
     is_admin = false
@@ -99,3 +100,8 @@ end
 def random_str
   UUID.random.to_s.gsub "-", ""
 end
+
+def redirect(env, path)
+  base = Config.current.base_url
+  env.redirect File.join base, path
+end

src/views/admin.ecr

@@ -1,5 +1,5 @@
 <ul class="uk-list uk-list-large uk-list-divider">
-  <li data-url="/admin/user">User Managerment</li>
+  <li data-url="<%= base_url %>admin/user">User Managerment</li>
   <li onclick="if(!scanning){scan()}">
     <span id="scan">Scan Library Files</span>
     <span id="scan-status" class="uk-align-right">
@@ -7,12 +7,12 @@
       <span hidden></span>
     </span>
   </li>
-  <li data-url="/admin/downloads">Download Manager</li>
+  <li data-url="<%= base_url %>admin/downloads">Download Manager</li>
 </ul>
 
 <hr class="uk-divider-icon">
-<a class="uk-button uk-button-danger" href="/logout">Log Out</a>
+<a class="uk-button uk-button-danger" href="<%= base_url %>logout">Log Out</a>
 
 <% content_for "script" do %>
-<script src="/js/admin.js"></script>
+<script src="<%= base_url %>js/admin.js"></script>
 <% end %>

src/views/download-manager.ecr

@@ -24,9 +24,9 @@
 
 <% content_for "script" do %>
 <script>
-	var baseURL = "<%= base_url %>".replace(/\/$/, "");
+	var baseURL = "<%= mangadex_base_url %>".replace(/\/$/, "");
 </script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
-<script src="/js/alert.js"></script>
-<script src="/js/download-manager.js"></script>
+<script src="<%= base_url %>js/alert.js"></script>
+<script src="<%= base_url %>js/download-manager.js"></script>
 <% end %>

src/views/download.ecr

@@ -74,10 +74,10 @@
 
 <% content_for "script" do %>
 <script>
-	var baseURL = "<%= base_url %>".replace(/\/$/, "");
+	var baseURL = "<%= mangadex_base_url %>".replace(/\/$/, "");
 </script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/moment.js/2.24.0/moment.min.js"></script>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jqueryui/1.12.1/jquery-ui.min.js"></script>
-<script src="/js/alert.js"></script>
-<script src="/js/download.js"></script>
+<script src="<%= base_url %>js/alert.js"></script>
+<script src="<%= base_url %>js/download.js"></script>
 <% end %>

src/views/index.ecr

@@ -23,7 +23,7 @@
 <div id="item-container" class="uk-child-width-1-4@m uk-child-width-1-2" uk-grid>
   <%- titles.each_with_index do |t, i| -%>
   <div class="item" data-mtime="<%= t.mtime.to_unix %>" data-progress="<%= percentage[i] %>">
-      <a class="acard" href="/book/<%= t.id %>">
+	  <a class="acard" href="<%= base_url %>book/<%= t.id %>">
         <div class="uk-card uk-card-default">
             <div class="uk-card-media-top">
               <img data-src="<%= t.cover_url %>" data-width data-height alt="" uk-img>
@@ -43,7 +43,7 @@
 
 <% content_for "script" do %>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jQuery.dotdotdot/4.0.11/dotdotdot.js"></script>
-<script src="/js/dots.js"></script>
-<script src="/js/search.js"></script>
-<script src="/js/sort-items.js"></script>
+<script src="<%= base_url %>js/dots.js"></script>
+<script src="<%= base_url %>js/search.js"></script>
+<script src="<%= base_url %>js/sort-items.js"></script>
 <% end %>

src/views/layout.ecr

@@ -7,11 +7,11 @@
     <meta name="description" content="Mango Manga Server">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/uikit@3.3.1/dist/css/uikit.min.css" />
-    <link rel="stylesheet" href="/css/mango.css" />
-	<script defer src="/js/fontawesome.min.js"></script>
-	<script defer src="/js/solid.min.js"></script>
+	<link rel="stylesheet" href="<%= base_url %>css/mango.css" />
+	<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 src="/js/theme.js"></script>
+	<script src="<%= base_url %>js/theme.js"></script>
   </head>
 
   <body>
@@ -20,14 +20,14 @@
         <div id="mobile-nav" uk-offcanvas="overlay: true">
           <div class="uk-offcanvas-bar uk-flex uk-flex-column">
             <ul class="uk-nav uk-nav-primary uk-nav-center uk-margin-auto-vertical">
-              <li><a href="/">Home</a></li>
+				<li><a href="<%= base_url %>">Home</a></li>
 			  <% if is_admin %>
-				  <li><a href="/admin">Admin</a></li>
-				  <li><a href="/download">Download</a></li>
+			  <li><a href="<%= base_url %>admin">Admin</a></li>
+			  <li><a href="<%= base_url %>download">Download</a></li>
 			  <% end %>
               <hr uk-divider>
 			  <li><a onclick="toggleTheme()"><i class="fas fa-adjust"></i></a></li>
-              <li><a href="/logout">Logout</a></li>
+			  <li><a href="<%= base_url %>logout">Logout</a></li>
             </ul>
           </div>
         </div>
@@ -39,19 +39,19 @@
           <div class="uk-navbar-toggle" uk-navbar-toggle-icon="uk-navbar-toggle-icon" uk-toggle="target: #mobile-nav"></div>
         </div>
         <div class="uk-navbar-left uk-visible@s">
-          <a class="uk-navbar-item uk-logo" href="/"><img src="/img/icon.png"></a>
+			<a class="uk-navbar-item uk-logo" href="<%= base_url %>"><img src="<%= base_url %>img/icon.png"></a>
           <ul class="uk-navbar-nav">
-            <li><a href="/">Home</a></li>
+			  <li><a href="<%= base_url %>">Home</a></li>
 			<% if is_admin %>
-				<li><a href="/admin">Admin</a></li>
-				<li><a href="/download">Download</a></li>
+			<li><a href="<%= base_url %>admin">Admin</a></li>
+			<li><a href="<%= base_url %>download">Download</a></li>
 			<% end %>
           </ul>
         </div>
         <div class="uk-navbar-right uk-visible@s">
           <ul class="uk-navbar-nav">
 			  <li><a onclick="toggleTheme()"><i class="fas fa-adjust"></i></a></li>
-            <li><a href="/logout">Logout</a></li>
+			  <li><a href="<%= base_url %>logout">Logout</a></li>
           </ul>
         </div>
       </div>
@@ -66,6 +66,7 @@
     </div>
 	<script>
 		setTheme(getTheme());
+		const base_url = "<%= base_url %>";
 	</script>
     <script src="https://cdn.jsdelivr.net/npm/uikit@3.3.1/dist/js/uikit.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/uikit@3.3.1/dist/js/uikit-icons.min.js"></script>

src/views/login.ecr

@@ -9,7 +9,7 @@
     <link rel="shortcut icon" href="favicon.ico" type="image/x-icon">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/uikit@3.3.1/dist/css/uikit.min.css" />
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
-	<script src="/js/theme.js"></script>
+	<script src="<%= base_url %>js/theme.js"></script>
 </head>
 <body>
     <div class="uk-section uk-flex uk-flex-middle uk-animation-fade" uk-height-viewport="">
@@ -19,7 +19,7 @@
                     <div class="uk-width-1-1@m">
                         <div class="uk-margin uk-width-large uk-margin-auto uk-card uk-card-default uk-card-body uk-box-shadow-large">
                             <h3 class="uk-card-title uk-text-center">Log In</h3>
-                            <form action="/login" method="post">
+                            <form action="<%= base_url %>login" method="post">
                                 <div class="uk-margin">
                                     <div class="uk-inline uk-width-1-1"><span class="uk-form-icon" uk-icon="icon:user"></span><input class="uk-input uk-form-large" type="text" name="username"></div>
                                 </div>

src/views/reader.ecr

@@ -7,11 +7,11 @@
     <meta name="description" content="Mango Manga Server">
     <meta name="viewport" content="width=device-width, initial-scale=1">
     <link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/uikit@3.3.1/dist/css/uikit.min.css" />
-    <link rel="stylesheet" href="/css/mango.css" />
+	<link rel="stylesheet" href="<%= base_url %>css/mango.css" />
   </head>
 
   <body>
-	  <script src="/js/theme.js"></script>
+	  <script src="<%= base_url %>js/theme.js"></script>
     <div class="uk-section uk-section-default uk-section-small reader-bg">
       <div class="uk-container uk-container-small">
           <%- urls.each_with_index do |url, i| -%>
@@ -56,10 +56,13 @@
         </div>
       </div>
     </div>
+	<script>
+		const base_url = "<%= base_url %>"
+	</script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/uikit@3.3.1/dist/js/uikit.min.js"></script>
     <script src="https://cdn.jsdelivr.net/npm/uikit@3.3.1/dist/js/uikit-icons.min.js"></script>
-    <script src="//cdnjs.cloudflare.com/ajax/libs/ScrollMagic/2.0.7/ScrollMagic.min.js"></script>
-    <script src="/js/reader.js"></script>
+    <script src="https://cdnjs.cloudflare.com/ajax/libs/ScrollMagic/2.0.7/ScrollMagic.min.js"></script>
+    <script src="<%= base_url %>js/reader.js"></script>
   </body>
 </html>

src/views/title.ecr

@@ -7,9 +7,9 @@
 	</h2>
 </div>
 <ul class="uk-breadcrumb">
-	<li><a href="/">Library</a></li>
+	<li><a href="<%= base_url %>">Library</a></li>
 	<%- title.parents.each do |t| -%>
-	<li><a href="/book/<%= t.id %>"><%= t.display_name %></a></li>
+	<li><a href="<%= base_url %>book/<%= t.id %>"><%= t.display_name %></a></li>
 	<%- end -%>
 	<li class="uk-disabled"><a><%= title.display_name %></a></li>
 </ul>
@@ -39,7 +39,7 @@
 <div id="item-container" class="uk-child-width-1-4@m uk-child-width-1-2" uk-grid>
 	<%- title.titles.each_with_index do |t, i| -%>
 	<div class="item" data-mtime="<%= t.mtime.to_unix %>" data-progress="0.0">
-      <a class="acard" href="/book/<%= t.id %>">
+		<a class="acard" href="<%= base_url %>book/<%= t.id %>">
         <div class="uk-card uk-card-default">
             <div class="uk-card-media-top">
               <img data-src="<%= t.cover_url %>" data-width data-height alt="" uk-img>
@@ -151,9 +151,9 @@
 
 <% content_for "script" do %>
 <script src="https://cdnjs.cloudflare.com/ajax/libs/jQuery.dotdotdot/4.0.11/dotdotdot.js"></script>
-<script src="/js/dots.js"></script>
-<script src="/js/alert.js"></script>
-<script src="/js/title.js"></script>
-<script src="/js/search.js"></script>
-<script src="/js/sort-items.js"></script>
+<script src="<%= base_url %>js/dots.js"></script>
+<script src="<%= base_url %>js/alert.js"></script>
+<script src="<%= base_url %>js/title.js"></script>
+<script src="<%= base_url %>js/search.js"></script>
+<script src="<%= base_url %>js/sort-items.js"></script>
 <% end %>

src/views/user-edit.ecr

@@ -1,4 +1,4 @@
-<form action="/admin/user/edit" method="post" accept-charset="utf-8">
+<form action="<%= base_url %>admin/user/edit" method="post" accept-charset="utf-8">
 
   <div class="uk-margin">
     <label class="uk-form-label" for="form-stacked-text">Username</label>
@@ -49,6 +49,6 @@
     error = '<%= error %>';
   <%- end -%>
 </script>
-<script src="/js/alert.js"></script>
-<script src="/js/user-edit.js"></script>
+<script src="<%= base_url %>js/alert.js"></script>
+<script src="<%= base_url %>js/user-edit.js"></script>
 <% end %>

src/views/user.ecr

@@ -12,7 +12,7 @@
 		<td><%= u[0] %></td>
 		<td><%= u[1] %></td>
 		<td>
-			<a href="/admin/user/edit?username=<%= u[0] %>&admin=<%= u[1] %>" uk-icon="file-edit"></a>
+			<a href="<%= base_url %>admin/user/edit?username=<%= u[0] %>&admin=<%= u[1] %>" uk-icon="file-edit"></a>
 			<%- if u[0] != username %>
 			<a href="#" onclick="remove('<%= u[0] %>');return false;" uk-icon="trash"></a>
 			<%- end %>
@@ -22,10 +22,10 @@
   </tbody>
 </table>
 
-<a href="/admin/user/edit" class="uk-button uk-button-primary">New User</a>
+<a href="<%= base_url %>admin/user/edit" class="uk-button uk-button-primary">New User</a>
 
 
 <% content_for "script" do %>
-<script src="/js/alert.js"></script>
-<script src="/js/user.js"></script>
+<script src="<%= base_url %>js/alert.js"></script>
+<script src="<%= base_url %>js/user.js"></script>
 <% end %>