Move identities list to own controller action

Signed-off-by: Dmitriy Zaporozhets <dmitriy.zaporozhets@gmail.com>

app/controllers/admin/identities_controller.rb

 class Admin::IdentitiesController < Admin::ApplicationController
   before_action :user
-  before_action :identity
+  before_action :identity, except: :index
+
+  def index
+    @identities = @user.identities
+  end
   def edit
   end
   def update
     if @identity.update_attributes(identity_params)
-      redirect_to admin_user_path(@user), notice: 'User identity was successfully updated.'
+      redirect_to admin_user_identities_path(@user), notice: 'User identity was successfully updated.'
     else
       render :edit
     end
@@ -16,9 +20,9 @@ class Admin::IdentitiesController < Admin::ApplicationController
   def destroy
     respond_to do |format|
       if @identity.destroy
-        format.html { redirect_to [:admin, user], notice: 'User identity was successfully removed.' }
+        format.html { redirect_to admin_user_identities_path(@user), notice: 'User identity was successfully removed.' }
       else
-        format.html { redirect_to [:admin, user], alert: 'Failed to remove user identity.' }
+        format.html { redirect_to admin_user_identities_path(@user), alert: 'Failed to remove user identity.' }
       end
     end
   end

app/views/admin/identities/index.html.haml

+%h3.page-title
+  Identities for
+  = link_to @user.name, [:admin, @user]
+
+%hr
+- if @identities.present?
+  %table.table
+    %thead
+      %tr
+        %th Provider
+        %th Id
+        %th
+    = render @identities
+- else
+  %h4 This user has no identities

app/views/admin/users/show.html.haml

@@ -24,7 +24,7 @@
   %li
     %a{"data-toggle" => "tab", href: "#ssh-keys"} SSH keys
   %li
-    %a{"data-toggle" => "tab", href: "#identities"} Identities
+    = link_to "Identities", admin_user_identities_path(@user)
 .tab-content
   #account.tab-pane.active
@@ -232,15 +232,3 @@
                           %i.fa.fa-times
   #ssh-keys.tab-pane
     = render 'profiles/keys/key_table', admin: true
-
-  #identities.tab-pane
-    - if @user.identities.present?
-      %table.table
-        %thead
-          %tr
-            %th Provider
-            %th Id
-            %th
-        = render @user.identities
-    - else
-      %h4 This user has no identities

config/routes.rb

@@ -149,7 +149,7 @@ Gitlab::Application.routes.draw do
   namespace :admin do
     resources :users, constraints: { id: /[a-zA-Z.\/0-9_\-]+/ } do
       resources :keys, only: [:show, :destroy]
-      resources :identities, only: [:edit, :update, :destroy]
+      resources :identities, only: [:index, :edit, :update, :destroy]
       member do
         put :team_update