Sorting in library and title page

public/js/sort-items.js

@@ -0,0 +1,35 @@
+$(() => {
+	$('option#name-up').attr('selected', '');
+	$('#sort-select').change(() => {
+		const sort = $('#sort-select').find(':selected').attr('id');
+		const ary = sort.split('-');
+		const by = ary[0];
+		const dir = ary[1];
+
+		const items = $('.item');
+		items.remove();
+
+		items.sort((a, b) => {
+			var res;
+			if (by === 'name')
+				res = $(a).find('.uk-card-title').text() > $(b).find('.uk-card-title').text();
+			else if (by === 'date')
+				res = $(a).attr('data-mtime') > $(b).attr('data-mtime');
+			else {
+				const ap = $(a).attr('data-progress');
+				const bp = $(b).attr('data-progress');
+				if (ap === bp)
+					// if progress is the same, we compare by name
+					res = $(a).find('.uk-card-title').text() > $(b).find('.uk-card-title').text();
+				else
+					res = ap > bp;
+			}
+			if (dir === 'up')
+				return res;
+			else
+				return !res;
+		});
+		var html = '';
+		$('#item-container').append(items);
+	});
+});

src/library.cr

@@ -14,7 +14,7 @@ end
 
 class Entry
 	JSON.mapping zip_path: String, book_title: String, title: String, \
-		size: String, pages: Int32, cover_url: String
+		size: String, pages: Int32, cover_url: String, mtime: Time
 
 	def initialize(path, @book_title)
 		@zip_path = path
@@ -27,6 +27,7 @@ class Entry
 			}
 			.size
 		@cover_url = "/api/page/#{@book_title}/#{title}/1"
+		@mtime = File.info(@zip_path).modification_time
 	end
 	def read_page(page_num)
 		Zip::File.open @zip_path do |file|
@@ -51,7 +52,7 @@ class Entry
 end
 
 class Title
-	JSON.mapping dir: String, entries: Array(Entry), title: String
+	JSON.mapping dir: String, entries: Array(Entry), title: String, mtime: Time
 
 	def initialize(dir : String)
 		@dir = dir
@@ -61,6 +62,9 @@ class Title
 			.map { |path| Entry.new File.join(dir, path), @title }
 			.select { |e| e.pages > 0 }
 			.sort { |a, b| a.title <=> b.title }
+		mtimes = [File.info(dir).modification_time]
+		mtimes += @entries.map{|e| e.mtime}
+		@mtime = mtimes.max
 	end
 	def get_entry(name)
 		@entries.find { |e| e.title == name }

src/views/index.ecr

@@ -1,14 +1,28 @@
 <h2 class=uk-title>Library</h2>
 <p class="uk-text-meta"><%= titles.size %> titles found</p>
-<div class="uk-margin">
+<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">
+		<div class="uk-form-horizontal">
+			<select class="uk-select" id="sort-select">
+				<option id="name-up">▲ Name</option>
+				<option id="name-down">▼ Name</option>
+				<option id="date-up">▲ Date Modified</option>
+				<option id="date-down">▼ Date Modified</option>
+				<option id="progress-up">▲ Progress</option>
+				<option id="progress-down">▼ Progress</option>
+			</select>
+		</div>
+	</div>
 </div>
-<div class="uk-child-width-1-4@m uk-child-width-1-2" uk-grid>
+<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">
+  <div class="item" data-mtime="<%= t.mtime.to_unix %>" data-progress="<%= percentage[i] %>">
       <a class="acard" href="/book/<%= t.title %>">
         <div class="uk-card uk-card-default">
             <div class="uk-card-media-top">
@@ -27,4 +41,5 @@
 
 <% content_for "script" do %>
 <script src="/js/search.js"></script>
+<script src="/js/sort-items.js"></script>
 <% end %>

src/views/title.ecr

@@ -1,15 +1,29 @@
 <div id="alert"></div>
 <h2 class=uk-title><%= title.title %></h2>
 <p class="uk-text-meta"><%= title.entries.size %> entries found</p>
-<div class="uk-margin">
+<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">
+		<div class="uk-form-horizontal">
+			<select class="uk-select" id="sort-select">
+				<option id="name-up">▲ Name</option>
+				<option id="name-down">▼ Name</option>
+				<option id="date-up">▲ Date Modified</option>
+				<option id="date-down">▼ Date Modified</option>
+				<option id="progress-up">▲ Progress</option>
+				<option id="progress-down">▼ Progress</option>
+			</select>
+		</div>
+	</div>
 </div>
-<div class="uk-child-width-1-4@m uk-child-width-1-2" uk-grid>
+<div id="item-container" class="uk-child-width-1-4@m uk-child-width-1-2" uk-grid>
   <%- title.entries.each_with_index do |e, i| -%>
-    <div class="item">
+  <div class="item" data-mtime="<%= e.mtime.to_unix %>" data-progress="<%= percentage[i] %>">
       <a class="acard">
         <div class="uk-card uk-card-default" onclick="showModal('<%= e.title %>', '<%= e.zip_path %>', '<%= e.pages %>', <%= (percentage[i] * 100).round(1) %>, '<%= title.title %>', '<%= e.title %>')">
           <div class="uk-card-media-top">
@@ -51,4 +65,5 @@
 <% content_for "script" do %>
 <script src="/js/title.js"></script>
 <script src="/js/search.js"></script>
+<script src="/js/sort-items.js"></script>
 <% end %>