Adding suspend account service

app/services/suspend_account_service.rb

+# frozen_string_literal: true
+
+class SuspendAccountService < BaseService
+  def call(account)
+    @account = account
+
+    purge_content
+    purge_profile
+    unsubscribe_push_subscribers
+  end
+
+  private
+
+  def purge_content
+    @account.media_attachments.destroy_all!
+    @account.statuses.destroy_all!
+    @account.stream_entries.destroy_all!
+    @account.mentions.destroy_all!
+    @account.notifications.destroy_all!
+    @account.favourites.destroy_all!
+    @account.active_relationships.destroy_all!
+    @account.passive_relationships.destroy_all!
+  end
+
+  def purge_profile
+    @account.suspended    = true
+    @account.display_name = ''
+    @account.note         = ''
+    @account.avatar.destroy
+    @account.avatar.clear
+    @account.header.destroy
+    @account.header.clear
+    @account.save!
+  end
+
+  def unsubscribe_push_subscribers
+    @account.subscriptions.destroy_all!
+  end
+end