Implement favourite tooltip to show who favourited a post

src/favourites.js

@@ -115,4 +115,23 @@ var db = require('./database'),
 		}
 	};
 
+	Favourites.getFavouritedUidsByPids = function (pids, callback) {
+		//Might as well take the method above this as an example
+		var loaded = 0;
+		var data = {};
+
+		for (var i = 0, ii = pids.length; i < ii; i++) {
+			(function (post_id) {
+				db.getSetMembers('pid:' + post_id + ':users_favourited', function(err, uids) {
+					data[post_id] = uids;
+					loaded++;
+					if (loaded === pids.length) {
+						callback(data);
+					}
+				});
+			}(pids[i]));
+		}
+		//Literally
+	};
+
 }(exports));