Refactor likes/flags to simplify things a lot

app/assets/javascripts/discourse/components/post-menu.js.es6

@@ -56,8 +56,8 @@ const PostMenuComponent = Ember.Component.extend(StringBuffer, {
 
   rerenderTriggers: [
     'post.deleted_at',
-    'likeAction.count',
-    'likeAction.users.length',
+    'post.likeAction.count',
+    'post.likeAction.users.length',
     'post.reply_count',
     'post.showRepliesBelow',
     'post.can_delete',
@@ -69,10 +69,6 @@ const PostMenuComponent = Ember.Component.extend(StringBuffer, {
     'post.post_type',
     'collapsed'],
 
-  likeAction: function() {
-    return this.get('post.actionByName.like');
-  }.property('post.actionByName.like'),
-
   _collapsedByDefault: function() {
     this.set('collapsed', true);
   }.on('init'),
@@ -167,7 +163,7 @@ const PostMenuComponent = Ember.Component.extend(StringBuffer, {
   },
 
   clickLikeCount() {
-    const likeAction = this.get('post.actionByName.like');
+    const likeAction = this.get('post.likeAction');
     if (likeAction) {
       const users = likeAction.get('users');
       if (users && users.length) {
@@ -233,11 +229,11 @@ const PostMenuComponent = Ember.Component.extend(StringBuffer, {
 
   // Like button
   buttonForLike() {
-    const likeAction = this.get('likeAction');
+    const likeAction = this.get('post.likeAction');
     if (!likeAction) { return; }
 
     const className = likeAction.get('acted') ? 'has-like fade-out' : 'like';
-    var opts = {className: className};
+    const opts = {className: className};
 
     if (likeAction.get('canToggle')) {
       const descKey = likeAction.get('acted') ? 'post.controls.undo_like' : 'post.controls.like';
@@ -249,9 +245,9 @@ const PostMenuComponent = Ember.Component.extend(StringBuffer, {
   },
 
   buttonForLikeCount() {
-    var likeCount = this.get('post.like_count') || 0;
+    const likeCount = this.get('post.likeAction.count') || 0;
     if (likeCount > 0) {
-      const likedPost = !!this.get('likeAction.acted');
+      const likedPost = !!this.get('post.likeAction.acted');
 
       const label = likedPost ? 'post.has_likes_title_you' : 'post.has_likes_title';
 
@@ -266,7 +262,7 @@ const PostMenuComponent = Ember.Component.extend(StringBuffer, {
   clickLike(post) {
     const $heart = this.$('.fa-heart'),
           $likeButton = this.$('button[data-action=like]'),
-          acted = post.get('actionByName.like.acted'),
+          acted = post.get('likeAction.acted'),
           self = this;
 
     if (acted) {

app/assets/javascripts/discourse/components/who-liked.js.es6

@@ -1,7 +1,7 @@
 import StringBuffer from 'discourse/mixins/string-buffer';
 
 export default Ember.Component.extend(StringBuffer, {
-  likedUsers: Ember.computed.alias('post.actionByName.like.users'),
+  likedUsers: Ember.computed.alias('post.likeAction.users'),
   rerenderTriggers: ['likedUsers.length'],
 
   renderString(buffer) {

app/assets/javascripts/discourse/controllers/flag.js.es6

@@ -76,11 +76,13 @@ export default ObjectController.extend(ModalFunctionality, {
     createFlag(opts) {
       const self = this;
       let postAction; // an instance of ActionSummary
+
       if (!this.get('flagTopic')) {
-        postAction = this.get('model.actionByName.' + this.get('selected.name_key'));
+        postAction = this.get('model.actions_summary').findProperty('id', this.get('selected.id'));
       } else {
         postAction = this.get('topicActionByName.' + this.get('selected.name_key'));
       }
+
       let params = this.get('selected.is_custom_flag') ? {message: this.get('message')} : {};
       if (opts) { params = $.extend(params, opts); }
 

app/assets/javascripts/discourse/controllers/topic.js.es6

@@ -153,7 +153,7 @@ export default ObjectController.extend(SelectedPostsCount, BufferedContent, {
     },
 
     toggleLike(post) {
-      const likeAction = post.get('actionByName.like');
+      const likeAction = post.get('likeAction');
       if (likeAction && likeAction.get('canToggle')) {
         likeAction.toggle(post);
       }

app/assets/javascripts/discourse/models/action-summary.js.es6

@@ -25,10 +25,7 @@ export default RestModel.extend({
   }.property('can_undo', 'can_act'),
 
   // Remove it
-  removeAction: function(post) {
-
-    const action = this.get('actionType.name_key');
-
+  removeAction: function() {
     this.setProperties({
       acted: false,
       count: this.get('count') - 1,
@@ -36,11 +33,6 @@ export default RestModel.extend({
       can_undo: false
     });
 
-
-    if (action === 'like' && post) {
-      post.set('like_count', this.get('count'));
-    }
-
     if (this.get('usersExpanded')) {
       this.get('users').removeObject(Discourse.User.current());
     }
@@ -69,10 +61,6 @@ export default RestModel.extend({
       can_undo: true
     });
 
-    if (action === 'like') {
-      post.set('like_count', this.get('count'));
-    }
-
     if (action === 'notify_moderators' || action === 'notify_user') {
       this.set('can_undo',false);
       this.set('can_defer_flags',false);

app/assets/javascripts/discourse/models/post.js.es6

@@ -367,6 +367,10 @@ Post.reopenClass({
         a.count = a.count || 0;
         const actionSummary = ActionSummary.create(a);
         lookup[a.actionType.name_key] = actionSummary;
+
+        if (a.actionType.name_key === "like") {
+          json.likeAction = actionSummary;
+        }
         return actionSummary;
       });
 

app/serializers/post_serializer.rb

@@ -18,7 +18,6 @@ class PostSerializer < BasicPostSerializer
   attributes :post_number,
              :post_type,
              :updated_at,
-             :like_count,
              :reply_count,
              :reply_to_post_number,
              :quote_count,

spec/serializers/post_serializer_spec.rb

@@ -19,7 +19,7 @@ describe PostSerializer do
       serializer.post_actions = PostAction.counts_for([post], actor)[post.id] if user.try(:id) == actor.id
       actions = serializer.as_json[:actions_summary]
       lookup = PostActionType.types.invert
-      actions.keep_if{|a| a[:count] > 0}.map{|a| lookup[a[:id]]}
+      actions.keep_if{|a| (a[:count] || 0) > 0}.map{|a| lookup[a[:id]]}
     end
 
     before do
@@ -39,7 +39,7 @@ describe PostSerializer do
     it "can't flag your own post to notify yourself" do
       serializer = PostSerializer.new(post, scope: Guardian.new(post.user), root: false)
       notify_user_action = serializer.actions_summary.find { |a| a[:id] == PostActionType.types[:notify_user] }
-      expect(notify_user_action[:can_act]).to eq(false)
+      expect(notify_user_action).to be_blank
     end
   end
 

test/javascripts/components/post-menu-test.js.es6

@@ -15,7 +15,7 @@ function setup(store) {
   });
 
   this.on('toggleLike', function() {
-    post.toggleProperty('actionByName.like.acted');
+    post.toggleProperty('likeAction.acted');
   });
 
   this.set('post', post);