app/models/cmor/showcase/item.rb in cmor_showcase-0.0.36.pre vs app/models/cmor/showcase/item.rb in cmor_showcase-0.0.37.pre

@@ -7,28 +7,85 @@
 
     has_many_attached :assets
     
     acts_as_list scope: :category
     acts_as_published
+
+    # slugs
+    extend FriendlyId
+    friendly_id :name, use: :slugged
+
     acts_as_markup :body, Cmor::Core::Configuration.default_markup_options
 
     validates :name, presence: true, uniqueness: { scope: [ :category_id ] }
 
     module PreviewPictureConcern
       extend ActiveSupport::Concern
 
-      def images
-        assets.joins(:blob).where("active_storage_blobs.content_type LIKE '%image/%'")
+      def preview_picture
+        file_details.images.first
       end
+    end
 
-      def non_images
-        assets.joins(:blob).where("active_storage_blobs.content_type NOT LIKE '%image/%'")
+    include PreviewPictureConcern
+
+    module FileDetailsConcern
+      extend ActiveSupport::Concern
+
+      included do
+        has_many :file_details, inverse_of: :item, dependent: :destroy, autosave: true do
+          def images
+            joins(asset: :blob).where("active_storage_blobs.content_type LIKE '%image/%'")
+          end
+
+          def non_images
+            joins(asset: :blob).where("active_storage_blobs.content_type NOT LIKE '%image/%'")
+          end
+        end
+        before_validation :cleanup_orphaned_file_details
+        before_validation :ensure_file_details
       end
 
-      def preview_picture
-        images.first
+      def append_assets
+        assets
       end
+
+       def append_assets=(assets)
+          if Rails.version < '6.0.0'
+            self.assets = assets
+          else
+            self.assets.attach(assets)
+          end
+        end
+
+      def overwrite_assets
+        assets
+      end
+
+      def overwrite_assets=(assets)
+        return if assets.nil? || assets.empty?
+        self.file_details.map { |fd| fd.mark_for_destruction }
+        self.assets = assets
+      end
+
+      private
+
+      def cleanup_orphaned_file_details
+        file_details.each do |file_detail|
+          file_detail.destroy if file_detail.asset.nil?
+        end
+      end
+
+      def ensure_file_details
+        (assets - file_details.all.map(&:asset)).map do |asset|
+          build_file_detail_for_asset(asset)
+        end
+      end
+
+      def build_file_detail_for_asset(asset)
+        file_details.build(asset: asset)
+      end
     end
 
-    include PreviewPictureConcern
+    include FileDetailsConcern
   end
 end