Ports new refactor from EE to CE

app/controllers/projects/merge_requests/creations_controller.rb

@@ -103,6 +103,9 @@ class Projects::MergeRequests::CreationsController < Projects::MergeRequests::Ap
     @source_project = @merge_request.source_project
     @commits = set_commits_for_rendering(@merge_request.commits)
     @commit = @merge_request.diff_head_commit
+
+    # FIXME: We have to assign a presenter to another instance variable
+    # due to class_name checks being made with issuable classes
     @mr_presenter = @merge_request.present(current_user: current_user)
 
     @labels = LabelsFinder.new(current_user, project_id: @project.id).execute

app/controllers/projects/merge_requests_controller.rb

@@ -331,6 +331,9 @@ class Projects::MergeRequestsController < Projects::MergeRequests::ApplicationCo
     @target_project = @merge_request.target_project
     @target_branches = @merge_request.target_project.repository.branch_names
     @noteable = @merge_request
+
+    # FIXME: We have to assign a presenter to another instance variable
+    # due to class_name checks being made with issuable classes
     @mr_presenter = @merge_request.present(current_user: current_user)
   end
 

app/mailers/emails/merge_requests.rb

@@ -3,13 +3,14 @@
 module Emails
   module MergeRequests
     def new_merge_request_email(recipient_id, merge_request_id, reason = nil)
-      setup_merge_request_mail(merge_request_id, recipient_id)
+      setup_merge_request_mail(merge_request_id, recipient_id, present: true)
 
       mail_new_thread(@merge_request, merge_request_thread_options(@merge_request.author_id, recipient_id, reason))
     end
 
     def new_mention_in_merge_request_email(recipient_id, merge_request_id, updated_by_user_id, reason = nil)
-      setup_merge_request_mail(merge_request_id, recipient_id)
+      setup_merge_request_mail(merge_request_id, recipient_id, present: true)
+
       mail_answer_thread(@merge_request, merge_request_thread_options(updated_by_user_id, recipient_id, reason))
     end
 
@@ -75,11 +76,16 @@ module Emails
 
     private
 
-    def setup_merge_request_mail(merge_request_id, recipient_id)
+    def setup_merge_request_mail(merge_request_id, recipient_id, present: false)
       @merge_request = MergeRequest.find(merge_request_id)
       @project = @merge_request.project
       @target_url = project_merge_request_url(@project, @merge_request)
 
+      if present
+        recipient = User.find(recipient_id)
+        @mr_presenter = @merge_request.present(current_user: recipient)
+      end
+
       @sent_notification = SentNotification.record(@merge_request, recipient_id, reply_key)
     end
 

app/views/notify/new_merge_request_email.html.haml

@@ -9,7 +9,7 @@
   %p
     Assignee: #{@merge_request.assignee_name}
 
-= render_if_exists 'notify/merge_request_approvers', merge_request: @merge_request
+= render_if_exists 'notify/merge_request_approvers', presenter: @mr_presenter
 
 - if @merge_request.description
   %div

app/views/notify/new_merge_request_email.text.erb

@@ -5,6 +5,6 @@ New Merge Request <%= @merge_request.to_reference %>
 <%= merge_path_description(@merge_request, 'to') %>
 Author:    <%= @merge_request.author_name %>
 Assignee:  <%= @merge_request.assignee_name %>
-<%= render_if_exists 'notify/merge_request_approvers', merge_request: @merge_request %>
+<%= render_if_exists 'notify/merge_request_approvers', presenter: @mr_presenter %>
 
 <%= @merge_request.description %>