close #1523 create thumbnail model for video on demand

app/controllers/spree/admin/video_on_demands_controller.rb

@@ -3,6 +3,16 @@ module Admin
     class VideoOnDemandsController < Spree::Admin::ResourceController
       before_action :load_parent
       before_action :load_video_on_demands, only: %i[index new edit]
+      before_action :build_thumbnails, only: :create
+      before_action :create_thumbnails, only: :update
+
+      def build_thumbnails
+        @object.build_thumbnail(attachment: permitted_resource_params.delete(:thumbnail)) if permitted_resource_params[:thumbnail]
+      end
+
+      def create_thumbnails
+        @object.create_thumbnail(attachment: permitted_resource_params.delete(:thumbnail)) if permitted_resource_params[:thumbnail]
+      end
 
       def edit
         @video_on_demand = SpreeCmCommissioner::VideoOnDemand.find(params[:id])

app/models/spree_cm_commissioner/video_on_demand.rb

@@ -1,8 +1,11 @@
 module SpreeCmCommissioner
   class VideoOnDemand < SpreeCmCommissioner::Base
     belongs_to :variant, class_name: 'Spree::Variant'
+
     has_one_attached :file
-    has_one_attached :thumbnail
+    has_one :thumbnail, as: :viewable, dependent: :destroy, class_name: 'SpreeCmCommissioner::VideoOnDemandThumbnail'
+
+    validates_associated :thumbnail
 
     validates :title, :description, :file, :thumbnail, presence: true
     validates :variant_id, uniqueness: true

app/models/spree_cm_commissioner/video_on_demand_thumbnail.rb

@@ -0,0 +1,11 @@
+module SpreeCmCommissioner
+  class VideoOnDemandThumbnail < SpreeCmCommissioner::Asset
+    def asset_styles
+      {
+        mini: '160x90>',
+        small: '240x135>',
+        large: '360x202>'
+      }
+    end
+  end
+end

app/views/spree/admin/video_on_demands/edit.html.erb

@@ -8,9 +8,8 @@
         <div class="col-12 col-md-6">
           <div class="form-group">
             <%= f.label :thumbnail, Spree.t(:thumbnail) %>
-            <div class="small-img">
-              <%= image_tag (main_app.rails_blob_url(@video_on_demand.thumbnail)), height: "200px" if @video_on_demand&.thumbnail %>
-            </div>
+            <%= image_tag main_app.cdn_image_url(@video_on_demand.thumbnail.url(:medium)) if @video_on_demand.thumbnail %>
+
           </div>
         </div>
         <div class="col-12 col-md-6">

app/views/spree/admin/video_on_demands/index.html.erb

@@ -8,7 +8,7 @@
 <% if !@video_on_demands.any? %>
   <div class="text-center no-objects-found m-5">
     <%= Spree.t(:no_resource_found, resource: plural_resource_name(SpreeCmCommissioner::VideoOnDemand)) %>,
-    <%= link_to(Spree.t(:add_one), admin_product_video_on_demands_url(@product)) if can? :create, SpreeCmCommissioner::VideoOnDemand %>!
+    <%= link_to(Spree.t(:add_one), new_admin_product_video_on_demand_url(@product)) if can? :create, SpreeCmCommissioner::VideoOnDemand %>!
   </div>
 <% else %>
   <div class="table-responsive border rounded bg-white">
@@ -28,9 +28,7 @@
             <td class="text-center"><%= video_on_demand.title %></td>
             <td class="text-center"><%= video_on_demand.variant.options_text %></td>
             <td class="image text-center">
-              <div class="admin-product-image-container small-img">
-                <%= image_tag (main_app.rails_blob_url(video_on_demand.thumbnail)) if video_on_demand&.thumbnail&.attached? %>
-              </div>
+              <%= image_tag main_app.cdn_image_url(video_on_demand.thumbnail.url(:mini)) if video_on_demand.thumbnail %>
             </td>
             <td class="image text-center">
               <% if video_on_demand&.file.attached? %>

db/migrate/20240531074327_create_cm_video_on_demands.rb

@@ -1,6 +1,6 @@
 class CreateCmVideoOnDemands < ActiveRecord::Migration[7.0]
   def change
-    create_table :cm_video_on_demands do |t|
+    create_table :cm_video_on_demands, if_not_exists: true do |t|
           t.string :title
 
           t.text :description