Fixes embed templates; escapes message content before passing it to plugins

Signed-off-by: Akash Manohar J <akash@akash.im>

Author: HashNuke

app/assets/javascripts/backbone/plugins/image_embed.js.coffee

@@ -4,8 +4,8 @@ class Kandan.Plugins.ImageEmbed
 
     template: _.template '''
       <div class="image-preview">
-        <a target="_blank" href="<%= image_url %>">
-          <img class="image-embed" src="<%= image_url %>" height="200" width="200" />
+        <a target="_blank" href="<%= imageUrl %>">
+          <img class="image-embed" src="<%= imageUrl %>" height="200" width="200" />
         </a>
         <div class="name"><%= subtitle %></div>
       </div>

app/assets/javascripts/backbone/plugins/youtube_embed.js.coffee

@@ -6,8 +6,8 @@ class Kandan.Plugins.YouTubeEmbed
 
     template: _.template '''
       <div class="youtube-preview">
-        <a target="_blank" class="youtube-preview-link" href="<%= video_url %>">
-          <img class="youtube-preview-image" src="<%= thumb_url %>" />
+        <a target="_blank" class="youtube-preview-link" href="<%= videoUrl %>">
+          <img class="youtube-preview-image" src="<%= thumbUrl %>" />
         </a>
         <div class="name"><%= subtitle %></div>
       </div>
@@ -27,7 +27,7 @@ class Kandan.Plugins.YouTubeEmbed
         videoUrl = message.content.split(" ")[0]
 
       videoId = message.content.match(@options.idRegex)[1]
-      thumbUrl = "http://img.youtube.com/vi/#{ video_id }/0.jpg"
+      thumbUrl = "http://img.youtube.com/vi/#{ videoId }/0.jpg"
 
       subtitle = null
       subtitle = "Youtube: #{comment}" if comment? and comment.length > 0

app/assets/javascripts/backbone/views/show_activity.js.coffee

@@ -5,15 +5,15 @@ class Kandan.Views.ShowActivity extends Backbone.View
 
   render: ()->
     activity = @options.activity.toJSON()
-    console.log("Rendering activity:")
+    activity.content = _.escape(activity.content)
     if activity.action != "message"
       @compiledTemplate = JST['user_notification']({activity: activity})
     else
       modifiedMessage = Kandan.Modifiers.process(activity, @options.state)
       if modifiedMessage != false
         @compiledTemplate = modifiedMessage
       else
-        @compiledTemplate = Kandan.Helpers.Activities.buildFromMessageTemplate $.extend(activity, {content: _.escape(activity.content)})
+        @compiledTemplate = Kandan.Helpers.Activities.buildFromMessageTemplate activity
 
     $(@el).data("activity-id", activity.id)
     $(@el).attr("id", "activity-#{activity.id}")