From 16d52ac49f7318620d3a84e172cf18917d70de1b Mon Sep 17 00:00:00 2001
From: Andrew Dolgov <noreply@fakecake.org>
Date: Mon, 27 Feb 2017 23:30:12 +0300
Subject: add basic offline mode search

---
 js/offline.js | 160 ++++++++++++++++++++++++++++++++++++++--------------------
 offline.html  |  16 ++++--
 2 files changed, 119 insertions(+), 57 deletions(-)

diff --git a/js/offline.js b/js/offline.js
index 8a61417..0bcd447 100644
--- a/js/offline.js
+++ b/js/offline.js
@@ -1,3 +1,13 @@
+function offline_search(form) {
+	var query = $(".search_query").val();
+
+	localforage.setItem("epube.search-query", query).then(function() {
+		populate_list();
+	});
+
+	return false;
+}
+
 function offline_remove2(elem) {
 	var bookId = elem.getAttribute("data-book-id");
 
@@ -30,80 +40,122 @@ function offline_clear() {
 
 function populate_list() {
 
-	var books = $("#books_container");
-	books.html("");
+	localforage.getItem("epube.search-query").then(function(query) {
 
-	localforage.iterate(function(value, key, i) {
-		if (key.match(/epube-book\.\d{1,}$/)) {
+		if (query) query = query.toLowerCase();
 
-			Promise.all([
-				localforage.getItem(key),
-				localforage.getItem(key + ".cover"),
-				localforage.getItem(key + ".lastread"),
-				localforage.getItem(key + ".book")
-			]).then(function(results) {
+		var books = $("#books_container");
+		books.html("");
 
-				if (results[0] && results[3]) {
-					var info = results[0];
-					var cover = false;
+		localforage.iterate(function(value, key, i) {
+			if (key.match(/epube-book\.\d{1,}$/)) {
 
-					if (results && results[1]) {
-						cover = URL.createObjectURL(results[1]);
-					}
+				Promise.all([
+					localforage.getItem(key),
+					localforage.getItem(key + ".cover"),
+					localforage.getItem(key + ".lastread"),
+					localforage.getItem(key + ".book")
+				]).then(function(results) {
 
-					var in_progress = false;
-					var is_read = false;
+					if (results[0] && results[3]) {
+						var info = results[0];
 
-					var lastread = results[2];
-					if (lastread) {
+						if (query) {
+							var match =
+								(info.series_name && info.series_name.toLowerCase().match(query)) ||
+								(info.title && info.title.toLowerCase().match(query)) ||
+								(info.author_sort && info.author_sort.toLowerCase().match(query));
 
-						in_progress = lastread.page > 0;
-						is_read = lastread.total > 0 && lastread.total - lastread.page < 5;
-					}
+							if (!match) return;
+						}
 
-					var cell = "<div class='col-xs-6 col-sm-3 col-md-2 index_cell' id=\"cell-"+info.id+"\">";
 
-					var cover_read = is_read ? "read" : "";
-					var title_class = in_progress ? "in_progress" : "";
+						var cover = false;
 
-					cell += "<div class=\"thumb "+cover_read+"\">";
-					cell += "<a href=\"read.html?id="+info.epub_id+"&b="+info.id+"\"><img data-src=\"holder.js/120x180\"></a>";
+						if (results && results[1]) {
+							cover = URL.createObjectURL(results[1]);
+						}
 
-					cell += "<div class=\"caption\">";
-					cell += "<div><a class=\""+title_class+"\" href=\"read.html?id="+info.epub_id+"&b="+info.id+"\">" +
-						info.title + "</a></div>";
-					cell += "<div>" + info.author_sort + "</div>";
+						var in_progress = false;
+						var is_read = false;
 
-					if (info.series_name) {
-						cell += "<div>" + info.series_name + " [" + info.series_index + "]</div>";
-					}
+						var lastread = results[2];
+						if (lastread) {
 
-					cell += "</div>";
+							in_progress = lastread.page > 0;
+							is_read = lastread.total > 0 && lastread.total - lastread.page < 5;
+						}
 
-					cell += "<div class=\"dropdown\" style=\"white-space : nowrap\">";
-					cell += "<a href=\"#\" data-toggle=\"dropdown\" role=\"button\">" +
-						"More..." + "<span class=\"caret\"></span></a>";
+						var cell = "<div class='col-xs-6 col-sm-3 col-md-2 index_cell' id=\"cell-"+info.id+"\">";
 
-					cell += "<ul class=\"dropdown-menu\">";
-					cell += "<li><a href=\"#\" data-book-id=\""+info.id+"\" onclick=\"offline_remove2(this)\">Remove offline data</a></li>";
-					cell += "</ul>";
+						var cover_read = is_read ? "read" : "";
+						var title_class = in_progress ? "in_progress" : "";
 
-					cell += "</div>";
+						cell += "<div class=\"thumb "+cover_read+"\">";
+						cell += "<a href=\"read.html?id="+info.epub_id+"&b="+info.id+"\"><img data-src=\"holder.js/120x180\"></a>";
 
-					cell += "</div>";
-					cell += "</div>";
+						cell += "<div class=\"caption\">";
+						cell += "<div><a class=\""+title_class+"\" href=\"read.html?id="+info.epub_id+"&b="+info.id+"\">" +
+							info.title + "</a></div>";
 
-					var cell = $(cell);
+						cell += "<div><a href=\#\" class=\"author_link\">" + info.author_sort + "</a></div>";
 
-					if (cover) {
-						cell.find("img").attr("src", cover);
-					}
+						if (info.series_name) {
+							cell += "<div><a href=\"\" class=\"series_link\">" +
+								info.series_name + " [" + info.series_index + "]</a></div>";
+						}
+
+						cell += "</div>";
+
+						cell += "<div class=\"dropdown\" style=\"white-space : nowrap\">";
+						cell += "<a href=\"#\" data-toggle=\"dropdown\" role=\"button\">" +
+							"More..." + "<span class=\"caret\"></span></a>";
+
+						cell += "<ul class=\"dropdown-menu\">";
+						cell += "<li><a href=\"#\" data-book-id=\""+info.id+"\" onclick=\"offline_remove2(this)\">Remove offline data</a></li>";
+						cell += "</ul>";
+
+						cell += "</div>";
+
+						cell += "</div>";
+						cell += "</div>";
 
-					books.append(cell);
+						var cell = $(cell);
+
+						if (cover) {
+							cell.find("img").attr("src", cover);
+
+							cell.find(".series_link")
+								.attr("title", info.series_name + " [" + info.series_index  + "]")
+								.click(function() {
+
+									$(".search_query").val(info.series_name);
+									offline_search();
+
+									return false;
+							});
+
+							cell.find(".author_link")
+								.attr("title", info.author_sort)
+								.click(function() {
+
+									$(".search_query").val(info.author_sort);
+									offline_search();
+
+									return false;
+							});
+
+						}
+
+						books.append(cell);
+
+						Holder.run();
+					}
+				});
+			}
+		});
 
-					Holder.run();
-				}
-			});
-		}
 	});
+
 }
+
diff --git a/offline.html b/offline.html
index 8b25d21..0062518 100644
--- a/offline.html
+++ b/offline.html
@@ -42,7 +42,13 @@
 		</ul>
 
 		<form onsubmit="return false;" class="navbar-form navbar-right">
-			<button type="submit" onclick="offline_clear()" class="btn btn-default">Remove all</button>
+			<button type="submit" onclick="offline_clear()" class="btn btn-danger">Remove all</button>
+		</form>
+
+		<form onsubmit="return offline_search(this)" class="navbar-form navbar-right">
+			<input type="text" class="form-control search_query" name="query" class="form-control"
+				value="">
+			<button type="submit" class="btn btn-default">Search</button>
 		</form>
 
 	</div>
@@ -59,10 +65,14 @@
            .then(function() {
 					console.log("service worker registered");
 				});
-
 		}
 
-		populate_list();
+		localforage.getItem("epube.search-query").then(function(query) {
+
+			if (query) $(".search_query").val(query);
+
+			populate_list();
+		});
 
 	});
 </script>
-- 
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