Add a confirm message to the "remove like" function to avoid toggling…

… by mistake - partially addresses #2135

Signed-off-by: emanuele <emanuele45@gmail.com>

sources/controllers/Display.controller.php

@@ -539,6 +539,9 @@ public function action_display()
 
 				// ajax controller for likes
 				loadJavascriptFile('like_posts.js', array('defer' => true));
+				addJavascriptVar(array(
+					'likemsg_are_you_sure' => JavaScriptEscape($txt['likemsg_are_you_sure']),
+				));
 				loadLanguage('Errors');
 
 				// Initiate likes and the tooltips for likes

themes/default/languages/english/index.english.php

@@ -709,6 +709,7 @@
 $txt['liked_by'] = 'Liked by:';
 $txt['liked_you'] = 'You';
 $txt['liked_more'] = 'more';
+$txt['likemsg_are_you_sure'] = 'You already liked this message, are you sure you want to remove your like?';
 
 $txt['unread_topics_visit'] = 'Recent Unread Topics';
 $txt['unread_topics_visit_none'] = 'No unread topics found since your last visit. <a href="{unread_all_url}" class="linkbutton">Click here to try all unread topics</a>';

themes/default/scripts/like_posts.js

@@ -43,7 +43,12 @@
 
 				// Set the subAction to what they are doing
 				if (check.indexOf('unlike_button') >= 0)
+				{
+					if (!confirm(likemsg_are_you_sure))
+						return;
+
 					subAction = 'unlikepost';
+				}
 				else
 					subAction = 'likepost';