Get rid of event decorator. Use event data hash instead commit objects to increase perfomance

app/decorators/event_decorator.rb

-class EventDecorator < ApplicationDecorator
-  decorates :event
-
-  def feed_title
-    if self.issue?
-      "#{self.author_name} #{self.action_name} issue ##{self.target_id}: #{self.issue_title} at #{self.project.name}"
-    elsif self.merge_request?
-      "#{self.author_name} #{self.action_name} MR ##{self.target_id}: #{self.merge_request_title} at #{self.project.name}"
-    elsif self.push?
-      "#{self.author_name} #{self.push_action_name} #{self.ref_type} #{self.ref_name} at #{self.project.name}"
-    elsif self.membership_changed?
-      "#{self.author_name} #{self.action_name} #{self.project.name}"
-    else
-      ""
-    end
-  end
-
-  def feed_url
-    if self.issue?
-      h.project_issue_url(self.project, self.issue)
-    elsif self.merge_request?
-      h.project_merge_request_url(self.project, self.merge_request)
-
-    elsif self.push?
-      if self.push_with_commits?
-        if self.commits_count > 1
-          h.project_compare_url(self.project, :from => self.parent_commit.id, :to => self.last_commit.id)
-        else
-          h.project_commit_url(self.project, :id => self.last_commit.id)
-        end
-      else
-        h.project_commits_url(self.project, self.ref_name)
-      end
-    end
-  end
-
-  def feed_summary
-    if self.issue?
-      h.render "events/event_issue", issue: self.issue
-    elsif self.push?
-      h.render "events/event_push", event: self
-    end
-  end
-end

app/helpers/events_helper.rb

@@ -42,4 +42,45 @@ module EventsHelper
       EventFilter.team     => "icon-user",
     }
   end
+
+  def event_feed_title(event)
+    if event.issue?
+      "#{event.author_name} #{event.action_name} issue ##{event.target_id}: #{event.issue_title} at #{event.project.name}"
+    elsif event.merge_request?
+      "#{event.author_name} #{event.action_name} MR ##{event.target_id}: #{event.merge_request_title} at #{event.project.name}"
+    elsif event.push?
+      "#{event.author_name} #{event.push_action_name} #{event.ref_type} #{event.ref_name} at #{event.project.name}"
+    elsif event.membership_changed?
+      "#{event.author_name} #{event.action_name} #{event.project.name}"
+    else
+      ""
+    end
+  end
+
+  def event_feed_url(event)
+    if event.issue?
+      project_issue_url(event.project, event.issue)
+    elsif event.merge_request?
+      project_merge_request_url(event.project, event.merge_request)
+
+    elsif event.push?
+      if event.push_with_commits?
+        if event.commits_count > 1
+          project_compare_url(event.project, from: event.commit_from, to: event.commit_to)
+        else
+          project_commit_url(event.project, id: event.commit_to)
+        end
+      else
+        project_commits_url(event.project, event.ref_name)
+      end
+    end
+  end
+
+  def event_feed_summary(event)
+    if event.issue?
+      render "events/event_issue", issue: event.issue
+    elsif event.push?
+      render "events/event_push", event: event
+    end
+  end
 end

app/views/events/_event_push.atom.haml

-%div{:xmlns => "http://www.w3.org/1999/xhtml"}
+%div{xmlns: "http://www.w3.org/1999/xhtml"}
   - event.commits.first(15).each do |commit|
     %p
-      %strong= commit.author_name
-      = link_to "(##{commit.short_id})", project_commit_path(event.project, :id => commit.id)
+      %strong= commit[:author][:name]
+      = link_to "(##{commit[:id][0...8]})", project_commit_path(event.project, id: commit[:id])
       %i
         at
-        = commit.committed_date.strftime("%Y-%m-%d %H:%M:%S")
-    %blockquote= simple_format(escape_once(commit.safe_message))
+        = commit[:timestamp].to_time.to_s(:short)
+    %blockquote= simple_format(escape_once(commit[:message]))
   - if event.commits_count > 15
     %p
       %i

app/views/events/event/_push.html.haml

@@ -21,5 +21,5 @@
         %li.commits-stat
           - if event.commits_count > 2
             %span ... and #{event.commits_count - 2} more commits.
-          = link_to project_compare_path(event.project, from: event.parent_commit.id, to: event.last_commit.id) do
-            %strong Compare → #{event.parent_commit.id[0..7]}...#{event.last_commit.id[0..7]}
+          = link_to project_compare_path(event.project, from: event.commit_from, to: event.commit_to) do
+            %strong Compare → #{event.commit_from[0..7]}...#{event.commit_to[0..7]}

app/views/groups/show.atom.builder

@@ -8,7 +8,6 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
 
   @events.each do |event|
     if event.proper?
-      event = EventDecorator.decorate(event)
       xml.entry do
         event_link = event.feed_url
         event_title = event.feed_title

app/views/teams/show.atom.builder

@@ -8,7 +8,6 @@ xml.feed "xmlns" => "http://www.w3.org/2005/Atom", "xmlns:media" => "http://sear
 
   @events.each do |event|
     if event.proper?
-      event = EventDecorator.decorate(event)
       xml.entry do
         event_link = event.feed_url
         event_title = event.feed_title