Minor code cleanup

app/controllers/projects_controller.rb

@@ -86,9 +86,10 @@ class ProjectsController < ApplicationController
           if @project.empty_repo?
             render 'projects/empty'
           else
-            unless current_user.nil?
-              @membership = @project.project_members.find_by_user_id(current_user.id)
+            if current_user
+              @membership = @project.project_member_by_id(current_user.id)
             end
+
             render :show
           end
         else

app/helpers/notifications_helper.rb

@@ -16,31 +16,31 @@ module NotificationsHelper
   def notification_list_item(notification_level, user_membership)
     case notification_level
     when Notification::N_DISABLED
-      content_tag(:li, class: active_level_for(user_membership, 'disabled?')) do
+      content_tag(:li, class: active_level_for(user_membership, Notification::N_DISABLED)) do
         link_to '#', class: 'update-notification', data: { notification_level: Notification::N_DISABLED } do
           icon('microphone-slash fw', text: 'Disabled')
         end
       end
     when Notification::N_PARTICIPATING
-      content_tag(:li, class: active_level_for(user_membership, 'participating?')) do
+      content_tag(:li, class: active_level_for(user_membership, Notification::N_PARTICIPATING)) do
         link_to '#', class: 'update-notification', data: { notification_level: Notification::N_PARTICIPATING } do
           icon('volume-up fw', text: 'Participate')
         end
       end
     when Notification::N_WATCH
-      content_tag(:li, class: active_level_for(user_membership, 'watch?')) do
+      content_tag(:li, class: active_level_for(user_membership, Notification::N_WATCH)) do
         link_to '#', class: 'update-notification', data: { notification_level: Notification::N_WATCH } do
           icon('eye fw', text: 'Watch')
         end
       end
     when Notification::N_MENTION
-      content_tag(:li, class: active_level_for(user_membership, 'mention?')) do
+      content_tag(:li, class: active_level_for(user_membership, Notification::N_MENTION)) do
         link_to '#', class: 'update-notification', data: { notification_level: Notification::N_MENTION }  do
           icon('at fw', text: 'On mention')
         end
       end
     when Notification::N_GLOBAL
-      content_tag(:li, class: active_level_for(user_membership, 'global?')) do
+      content_tag(:li, class: active_level_for(user_membership, Notification::N_GLOBAL)) do
         link_to '#', class: 'update-notification', data: { notification_level: Notification::N_GLOBAL } do
           icon('globe fw', text: 'Global')
         end
@@ -55,9 +55,6 @@ module NotificationsHelper
   end
 
   def active_level_for(user_membership, level)
-    value = Notification.new(user_membership)
-    if value.send(level)
-      'active'
-    end
+    'active' if user_membership.notification_level == level
   end
 end

app/views/projects/buttons/_notifications.html.haml

-- if current_user and !@membership.nil?
-  = form_tag profile_notifications_path, method: :put, remote: true, class: 'inline-form', id: 'notification-form' do
+- return unless @membership
+
+= form_tag profile_notifications_path, method: :put, remote: true, class: 'inline-form', id: 'notification-form' do
   = hidden_field_tag :notification_type, 'project'
   = hidden_field_tag :notification_id, @membership.id
   = hidden_field_tag :notification_level