Download and attach icons for web apps

app/models/app_catalog/web_app.rb

@@ -1,9 +1,20 @@
 class AppCatalog::WebApp < ApplicationRecord
-
   store :metadata, coder: JSON
 
+  has_one_attached :icon do |attachable|
+    attachable.variant :medium, resize_to_limit: [128,128]
+    attachable.variant :large,  resize_to_limit: [256,256]
+  end
+
+  has_one_attached :apple_touch_icon
+
   validates :url, presence: true, uniqueness: true
   validates :url, format: { with: URI.regexp },
                   if: Proc.new { |a| a.url.present? }
 
+  # before_create :update_metadata
+
+  def update_metadata
+    AppCatalogManager::UpdateMetadata.call(self)
+  end
 end