Admin interface for listing, adding and removing custom emojis (#5002)

* Admin interface for listing, adding and removing custom emojis

* Only display local ones in the list

config/locales/en.yml

@@ -108,6 +108,18 @@ en:
       unsubscribe: Unsubscribe
       username: Username
       web: Web
+    custom_emojis:
+      created_msg: Emoji successfully created!
+      delete: Delete
+      destroyed_msg: Emojo successfully destroyed!
+      emoji: Emoji
+      image_hint: PNG up to 50KB
+      new:
+        title: Add new custom emoji
+      shortcode: Shortcode
+      shortcode_hint: At least 2 characters, only alphanumeric characters and underscores
+      title: Custom emojis
+      upload: Upload
     domain_blocks:
       add_new: Add new
       created_msg: Domain block is now being processed

config/navigation.rb

@@ -28,6 +28,7 @@ SimpleNavigation::Configuration.run do |navigation|
       admin.item :sidekiq, safe_join([fa_icon('diamond fw'), 'Sidekiq']), sidekiq_url, link_html: { target: 'sidekiq' }
       admin.item :pghero, safe_join([fa_icon('database fw'), 'PgHero']), pghero_url, link_html: { target: 'pghero' }
       admin.item :settings, safe_join([fa_icon('cogs fw'), t('admin.settings.title')]), edit_admin_settings_url
+      admin.item :custom_emojis, safe_join([fa_icon('smile-o fw'), t('admin.custom_emojis.title')]), admin_custom_emojis_url, highlights_on: %r{/admin/custom_emojis}
     end
 
     primary.item :logout, safe_join([fa_icon('sign-out fw'), t('auth.logout')]), destroy_user_session_url, link_html: { 'data-method' => 'delete' }

config/routes.rb

@@ -136,6 +136,8 @@ Rails.application.routes.draw do
     resources :users, only: [] do
       resource :two_factor_authentication, only: [:destroy]
     end
+
+    resources :custom_emojis, only: [:index, :new, :create, :destroy]
   end
 
   get '/admin', to: redirect('/admin/settings/edit', status: 302)