Context refactoring. Move Issues list, Search logic to context

app/contexts/merge_requests_load_context.rb

@@ -0,0 +1,16 @@
+class MergeRequestsLoadContext < BaseContext
+  def execute
+    type = params[:f]
+
+    merge_requests = project.merge_requests
+
+    merge_requests = case type
+                     when 'all' then merge_requests
+                     when 'closed' then merge_requests.closed
+                     when 'assigned-to-me' then merge_requests.opened.assigned(current_user)
+                     else merge_requests.opened
+                     end.page(params[:page]).per(20)
+
+    merge_requests.includes(:author, :project).order("closed, created_at desc")
+  end
+end