fixed mongo setAdd and setRemove to accept arrays like redis, fixed infinite scroll for mongo

src/database/mongo.js

@@ -20,6 +20,7 @@
 
 
 	module.init = function(callback) {
+
 		mongoClient.connect('mongodb://'+ nconf.get('mongo:host') + ':' + nconf.get('mongo:port') + '/' + nconf.get('mongo:database'), function(err, _db) {
 			if(err) {
 				winston.error("NodeBB could not connect to your Mongo database. Mongo returned the following error: " + err.message);
@@ -424,10 +425,23 @@
 	// sets
 
 	module.setAdd = function(key, value, callback) {
-		if(value !== null && value !== undefined) {
-			value = value.toString();
+		if(!Array.isArray(value)) {
+			value = [value];
 		}
-		db.collection('objects').update({_key:key}, {$addToSet: { members: value }}, {upsert:true, w: 1},  function(err, result) {
+
+		value.forEach(function(element, index, array) {
+			array[index] = element ? element.toString() : element;
+		});
+
+
+		db.collection('objects').update({_key:key},
+			{
+				$addToSet: { members: { $each: value } }
+			},
+			{
+				upsert:true, w: 1
+			}
+		, function(err, result) {
 			if(typeof callback === 'function') {
 				callback(err, result);
 			}
@@ -435,10 +449,15 @@
 	}
 
 	module.setRemove = function(key, value, callback) {
-		if(value !== null && value !== undefined) {
-			value = value.toString();
+		if(!Array.isArray(value)) {
+			value = [value];
 		}
-		db.collection('objects').update({_key:key, members: value}, {$pull : {members: value}}, function(err, result) {
+
+		value.forEach(function(element, index, array) {
+			array[index] = element ? element.toString() : element;
+		});
+
+		db.collection('objects').update( { _key: key }, { $pullAll: { members: value } }, function(err, result) {
 			if(typeof callback === 'function') {
 				callback(err, result);
 			}
@@ -456,17 +475,26 @@
 	}
 
 	module.isMemberOfSets = function(sets, value, callback) {
-		function iterator(set, next) {
-			module.isSetMember(set, value, function(err, result) {
-				if(err) {
-					return next(err);
-				}
 
-				next(null, result?1:0);
-			});
+		if(value !== null && value !== undefined) {
+			value = value.toString();
 		}
 
-		async.map(sets, iterator, callback);
+		db.collection('objects').find({_key: {$in : sets}, members: value}).toArray(function(err, result) {
+			if(err) {
+				return callback(err);
+			}
+
+			result = result.map(function(item) {
+				return item._key;
+			});
+
+			result = sets.map(function(set) {
+				return result.indexOf(set) !== -1 ? 1 : 0;
+			});
+
+			callback(err, result);
+		});
 	}
 
 	module.getSetMembers = function(key, callback) {
@@ -655,16 +683,18 @@
 		if(value !== null && value !== undefined) {
 			value = value.toString();
 		}
-		module.getSortedSetRange(key, 0, -1, function(err, result) {
+		module.getSortedSetRevRange(key, 0, -1, function(err, result) {
 			if(err) {
 				return callback(err);
 			}
+
 			var rank = result.indexOf(value);
+
 			if(rank === -1) {
 				return callback(null, null);
 			}
 
-			callback(null, result.length - rank - 1);
+			callback(null, rank);
 		});
 	}
 

src/plugins.js

@@ -71,6 +71,7 @@ var fs = require('fs'),
 					plugins.push(meta.config['theme:id']);
 
 					async.each(plugins, function(plugin, next) {
+
 						if (!plugin) {
 							return next();
 						}
@@ -377,7 +378,7 @@ var fs = require('fs'),
 					}).filter(function(file) {
 						var stats = fs.statSync(file),
 							isPlugin =  file.substr(npmPluginPath.length + 1, 14) === 'nodebb-plugin-' || file.substr(npmPluginPath.length + 1, 14) === 'nodebb-widget-';
-							
+
 						if (stats.isDirectory() && isPlugin) return true;
 						else return false;
 					});