Add basic support for Product photo upload, with space id in Active S…

…torage filename.

Gemfile

@@ -67,6 +67,9 @@ gem "strong_migrations", "~> 1.4"
 # Use postgresql for data persistence
 gem "pg", "~> 1.5"
 
+# For image manipulation in Active Storage
+gem "image_processing"
+
 # Use S3 for file storage
 gem "aws-sdk-s3", "~> 1.122", require: false
 # Date/Time and Internationalization

Gemfile.lock

@@ -163,6 +163,9 @@ GEM
     htmlentities (4.3.4)
     i18n (1.13.0)
       concurrent-ruby (~> 1.0)
+    image_processing (1.12.2)
+      mini_magick (>= 4.9.5, < 5)
+      ruby-vips (>= 2.0.17, < 3)
     jaro_winkler (1.5.4)
     jbuilder (2.11.5)
       actionview (>= 5.0.0)
@@ -206,6 +209,7 @@ GEM
     marcel (1.0.2)
     matrix (0.4.2)
     method_source (1.0.0)
+    mini_magick (4.12.0)
     mini_mime (1.1.2)
     mini_portile2 (2.8.2)
     minitest (5.18.0)
@@ -358,6 +362,8 @@ GEM
     ruby-graphviz (1.2.5)
       rexml
     ruby-progressbar (1.13.0)
+    ruby-vips (2.1.4)
+      ffi (~> 1.12)
     sentry-rails (5.9.0)
       railties (>= 5.0)
       sentry-ruby (~> 5.9.0)
@@ -465,6 +471,7 @@ DEPENDENCIES
   faker
   friendly_id (~> 5.5.0)
   gretel (~> 4.5)
+  image_processing
   jbuilder (~> 2.11)
   jsbundling-rails
   listen (~> 3.8)

app/furniture/marketplace/product.rb

@@ -2,6 +2,8 @@
 
 class Marketplace
   class Product < Record
+    has_one_attached :photo, dependent: :destroy
+
     self.table_name = "marketplace_products"
     location(parent: :marketplace)
 
@@ -25,5 +27,15 @@ class Product < Record
     attribute :description, :string
 
     monetize :price_cents
+
+    before_commit :standardize_attachment_name
+
+    def standardize_attachment_name
+      return unless photo.attached? && photo.blob.persisted?
+      return if photo.blob.filename.to_s.start_with?(space.id.to_s)
+
+      new_name = "#{space.id}-#{photo.blob.filename}"
+      photo.blob.update(filename: new_name)
+    end
   end
 end

app/furniture/marketplace/product_component.html.erb

@@ -4,6 +4,11 @@
   </header>
 
   <div class="grow flex flex-col justify-between">
+    <% if product.photo.present? %>
+      <div>
+        <%= image_tag product.photo %>
+      </div>
+    <% end %>
     <div class="text-sm italic">
       <%= description %>
     </div>

app/furniture/marketplace/product_policy.rb

@@ -4,7 +4,7 @@ class Marketplace
   class ProductPolicy < Policy
     alias_method :product, :object
     def permitted_attributes(_params = nil)
-      %i[name description price_cents price_currency price] + [tax_rate_ids: []]
+      %i[name description price_cents price_currency price photo] + [tax_rate_ids: []]
     end
 
     def update?

app/furniture/marketplace/products/_form.html.erb

@@ -4,6 +4,7 @@
     <%= render "text_area", { attribute: :description, form: f} %>
     <%= render "money_field", { attribute: :price, form: f, min: 0, step: 0.01} %>
     <%= render "collection_check_boxes", { attribute: :tax_rate_ids, collection: marketplace.tax_rates, value_method: :id, text_method: :label, form: f} %>
+    <%= render "file_field", { attribute: :photo, form: f} %>
     <%= f.submit %>
   <% end %>
 <%- end %>

bin/setup

@@ -34,6 +34,9 @@ setup_package "overmind"
 setup_package "yarn"
 setup_package "redis"
 setup_package "graphviz"
+
+setup_package "vips"  # for image processing by Active Storage
+
 # Firefox web browser is used for interface testing.
 brew install --cask firefox
 yarn global add maildev

spec/factories/furniture/marketplace.rb

@@ -61,6 +61,10 @@
     price_cents { Random.rand(1_00..999_99) }
 
     marketplace
+
+    trait :with_photo do
+      photo { file_fixture_upload("cc-kitten.jpg", "image/jpeg") }
+    end
   end
 
   factory :marketplace_cart, class: "Marketplace::Cart" do