added infinite load to user favourites page

public/src/forum/favourites.js

@@ -1,9 +1,51 @@
 define(['forum/accountheader'], function(header) {
-	var AccountHeader = {};
+	var Favourites = {},
+		loadingMore = false;
 
-	AccountHeader.init = function() {
+	Favourites.init = function() {
 		header.init();
+
+		app.enableInfiniteLoading(function() {
+			if(!loadingMore) {
+				loadMore();
+			}
+		});
 	};
 
-	return AccountHeader;
+	function loadMore() {
+		loadingMore = true;
+		socket.emit('posts.loadMoreFavourites', {
+			after: $('.user-favourite-posts').attr('data-nextstart')
+		}, function(err, data) {
+			if(err) {
+				return app.alertError(err.message);
+			}
+
+			if (data.posts && data.posts.length) {
+				onTopicsLoaded(data.posts);
+				$('.user-favourite-posts').attr('data-nextstart', data.nextStart);
+			}
+
+			loadingMore = false;
+		});
+	}
+
+	function onTopicsLoaded(posts) {
+		var html = templates.prepare(templates['favourites'].blocks['posts']).parse({
+			posts: posts
+		});
+
+		translator.translate(html, function(translatedHTML) {
+
+			$('#category-no-topics').remove();
+
+			html = $(translatedHTML);
+			$('.user-favourite-posts').append(html);
+			$('span.timeago').timeago();
+			app.createUserTooltips();
+			app.makeNumbersHumanReadable(html.find('.human-readable-number'));
+		});
+	}
+
+	return Favourites;
 });

public/templates/favourites.tpl

@@ -6,12 +6,12 @@
 		</span>
 	</div>
 
-	<!-- IF show_nofavourites -->
+	<!-- IF !posts.length -->
 		<div id="no-favourites-notice" class="alert alert-warning">[[topic:favourites.has_no_favourites]]</div>
-	<!-- ENDIF show_nofavourites -->
+	<!-- ENDIF !posts.length -->
 
 	<div class="row">
-		<div class="col-md-12 user-favourite-posts">
+		<div class="col-md-12 user-favourite-posts" data-nextstart="{nextStart}">
 			<!-- BEGIN posts -->
 			<div class="topic-row panel panel-default clearfix">
 				<div class="panel-body">

src/posts.js

@@ -232,12 +232,15 @@ var db = require('./database'),
 
 	Posts.getPostSummaryByPids = function(pids, stripTags, callback) {
 
-		var posts = [];
-
 		function getPostSummary(pid, callback) {
+
 			async.waterfall([
 				function(next) {
 					Posts.getPostFields(pid, ['pid', 'tid', 'content', 'uid', 'timestamp', 'deleted'], function(err, postData) {
+						if(err) {
+							return next(err);
+						}
+
 						if (parseInt(postData.deleted, 10) === 1) {
 							return callback(null);
 						} else {
@@ -287,20 +290,19 @@ var db = require('./database'),
 						next(null, postData);
 					}
 				}
-			], function(err, postData) {
+			], callback);
-				if (!err) {
-					posts.push(postData);
-				}
-				callback(err);
-			});
 		}
 
-		async.eachSeries(pids, getPostSummary, function(err) {
+		async.map(pids, getPostSummary, function(err, posts) {
-			if (!err) {
+			if(err) {
-				callback(null, posts);
+				return callback(err);
-			} else {
-				callback(err, null);
 			}
+
+			posts = posts.filter(function(p) {
+				return p;
+			});
+
+			callback(null, posts);
 		});
 	};
 
@@ -458,13 +460,33 @@ var db = require('./database'),
 		async.each(pids, reIndex, callback);
 	}
 
-	Posts.getFavourites = function(uid, callback) {
+	Posts.getFavourites = function(uid, start, end, callback) {
-		db.getSortedSetRevRange('uid:' + uid + ':favourites', 0, -1, function(err, pids) {
+
+		db.getSortedSetRevRange('uid:' + uid + ':favourites', start, end, function(err, pids) {
 			if (err) {
-				return callback(err, null);
+				return callback(err);
 			}
 
-			Posts.getPostSummaryByPids(pids, false, callback);
+			Posts.getPostSummaryByPids(pids, false, function(err, posts) {
+				if(err) {
+					return callback(err);
+				}
+
+				if(!posts || !posts.length) {
+					return callback(null, { posts: [], nextStart: 0});
+				}
+
+				db.sortedSetRevRank('uid:' + uid + ':favourites', posts[posts.length - 1].pid, function(err, rank) {
+					if(err) {
+						return calllback(err);
+					}
+					var favourites = {
+						posts: posts,
+						nextStart: parseInt(rank, 10) + 1
+					};
+					callback(null, favourites);
+				});
+			});
 		});
 	}
 

src/routes/user.js

@@ -344,12 +344,14 @@ var fs = require('fs'),
 					}
 
 					if (userData) {
-						posts.getFavourites(uid, function (err, posts) {
+						posts.getFavourites(uid, 0, 9, function (err, favourites) {
 							if (err) {
 								return next(err);
 							}
-							userData.posts = posts;
+
-							userData.show_nofavourites = posts.length === 0;
+							userData.posts = favourites.posts;
+							userData.nextStart = favourites.nextStart;
+
 							res.json(userData);
 						});
 					} else {

src/socket.io/posts.js

@@ -247,4 +247,15 @@ SocketPosts.flag = function(socket, pid, callback) {
 	], callback);
 }
 
+SocketPosts.loadMoreFavourites = function(socket, data, callback) {
+	if(!data || !data.after) {
+		return callback(new Error('invalid data'));
+	}
+
+	var start = parseInt(data.after, 10),
+		end = start + 9;
+
+	posts.getFavourites(socket.uid, start, end, callback);
+};
+
 module.exports = SocketPosts;