fix chats

public/src/client/chats.js

@@ -189,11 +189,14 @@ define('forum/chats', ['components', 'string', 'sounds', 'forum/infinitescroll',
 			return app.alertError('[[error:chat-message-too-long]]');
 		}
 
+		if (!msg.length) {
+			return;
+		}
+
 		inputEl.val('');
-		msg = msg + '\n';
 		socket.emit('modules.chats.send', {
-			touid:toUid,
-			message:msg
+			touid: toUid,
+			message: msg
 		}, function(err) {
 			if (err) {
 				if (err.message === '[[error:email-not-confirmed-chat]]') {

src/controllers/api.js

@@ -54,7 +54,7 @@ apiController.getConfig = function(req, res, next) {
 	config.usePagination = parseInt(meta.config.usePagination, 10) === 1;
 	config.disableSocialButtons = parseInt(meta.config.disableSocialButtons, 10) === 1;
 	config.disableChat = parseInt(meta.config.disableChat, 10) === 1;
-	config.maximumChatMessageLength = parseInt(meta.config.maximumChatMessageLength, 10);
+	config.maximumChatMessageLength = parseInt(meta.config.maximumChatMessageLength, 10) || 1000;
 	config.maxReconnectionAttempts = meta.config.maxReconnectionAttempts || 5;
 	config.reconnectionDelay = meta.config.reconnectionDelay || 1500;
 	config.minimumTagsPerTopic = meta.config.minimumTagsPerTopic || 0;