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

app/controllers/admin/custom_emojis_controller.rb

@@ -0,0 +1,34 @@
+# frozen_string_literal: true
+
+module Admin
+  class CustomEmojisController < BaseController
+    def index
+      @custom_emojis = CustomEmoji.where(uri: nil)
+    end
+
+    def new
+      @custom_emoji = CustomEmoji.new
+    end
+
+    def create
+      @custom_emoji = CustomEmoji.new(resource_params)
+
+      if @custom_emoji.save
+        redirect_to admin_custom_emojis_path, notice: I18n.t('admin.custom_emojis.created_msg')
+      else
+        render :new
+      end
+    end
+
+    def destroy
+      CustomEmoji.find(params[:id]).destroy
+      redirect_to admin_custom_emojis_path, notice: I18n.t('admin.custom_emojis.destroyed_msg')
+    end
+
+    private
+
+    def resource_params
+      params.require(:custom_emoji).permit(:shortcode, :image)
+    end
+  end
+end

app/services/block_domain_service.rb

@@ -26,6 +26,7 @@ class BlockDomainService < BaseService
   def clear_media!
     clear_account_images
     clear_account_attachments
+    clear_emojos
   end
 
   def suspend_accounts!
@@ -51,6 +52,10 @@ class BlockDomainService < BaseService
     end
   end
 
+  def clear_emojos
+    emojis_from_blocked_domains.destroy_all
+  end
+
   def blocked_domain
     domain_block.domain
   end
@@ -62,4 +67,8 @@ class BlockDomainService < BaseService
   def media_from_blocked_domain
     MediaAttachment.joins(:account).merge(blocked_domain_accounts).reorder(nil)
   end
+
+  def emojis_from_blocked_domains
+    CustomEmoji.where(domain: blocked_domain)
+  end
 end

app/views/admin/custom_emojis/_custom_emoji.html.haml

@@ -0,0 +1,7 @@
+%tr
+  %td
+    = image_tag custom_emoji.image.url, class: 'emojione', alt: ":#{custom_emoji.shortcode}:"
+  %td
+    %samp= ":#{custom_emoji.shortcode}:"
+  %td
+    = table_link_to 'times', t('admin.custom_emojis.delete'), admin_custom_emoji_path(custom_emoji), method: :delete, data: { confirm: t('admin.accounts.are_you_sure') }

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

@@ -0,0 +1,14 @@
+- content_for :page_title do
+  = t('admin.custom_emojis.title')
+
+.table-wrapper
+  %table.table
+    %thead
+      %tr
+        %th= t('admin.custom_emojis.emoji')
+        %th= t('admin.custom_emojis.shortcode')
+        %th
+    %tbody
+      = render @custom_emojis
+
+= link_to t('admin.custom_emojis.upload'), new_admin_custom_emoji_path, class: 'button'

app/views/admin/custom_emojis/new.html.haml

@@ -0,0 +1,12 @@
+- content_for :page_title do
+  = t('.title')
+
+= simple_form_for @custom_emoji, url: admin_custom_emojis_path do |f|
+  = render 'shared/error_messages', object: @custom_emoji
+
+  .fields-group
+    = f.input :shortcode, placeholder: t('admin.custom_emojis.shortcode'), hint: t('admin.custom_emojis.shortcode_hint')
+    = f.input :image, input_html: { accept: 'image/png' }, hint: t('admin.custom_emojis.image_hint')
+
+  .actions
+    = f.button :button, t('admin.custom_emojis.upload'), type: :submit

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)