Add imgproxy_pro_active_storage route

CHANGELOG.md

@@ -2,6 +2,8 @@
 
 ## master
 
+- Added `:imgproxy_pro_active_storage` route that uses imgproxy Pro for video and PDF preview generation. ([@DarthSim][])
+
 ## 0.2.0 (2023-10-26)
 
 - Improved `resize_and_pad` support. ([@palkan][])

README.md

@@ -48,6 +48,9 @@ config.active_storage.resolve_model_to_route = :rails_storage_proxy
 
 # production.rb
 config.active_storage.resolve_model_to_route = :imgproxy_active_storage
+# imgproxy Pro users can use the :imgproxy_pro_active_storage route to use
+# imgproxy Pro for video and PDF preview generation
+config.active_storage.resolve_model_to_route = :imgproxy_pro_active_storage
 ```
 
 The following HTML snippet will generate different URLs in dev and prod:

config/routes.rb

@@ -9,4 +9,14 @@
       route_for(:rails_storage_proxy, model, options)
     end
   end
+
+  direct :imgproxy_pro_active_storage do |model, options|
+    if ImgproxyRails::Helpers.image_variation?(model) ||
+        ImgproxyRails::Helpers.previewable_variation?(model)
+      transformations = model.variation.transformations
+      Imgproxy.url_for(model.blob, ImgproxyRails::Transformer.call(transformations))
+    else
+      route_for(:rails_storage_proxy, model, options)
+    end
+  end
 end

lib/imgproxy-rails/helpers.rb

@@ -6,5 +6,12 @@ def self.image_variation?(model)
       model.respond_to?(:variation) &&
         model.try(:blob)&.content_type&.split("/")&.first == "image"
     end
+
+    def self.previewable_variation?(model)
+      return false if !model.respond_to?(:variation)
+
+      content_type = model.try(:blob)&.content_type
+      content_type&.start_with?("video/") || content_type == "application/pdf"
+    end
   end
 end

spec/internal_spec.rb

@@ -15,10 +15,19 @@
       )
     end
   end
-  let(:user_with_previewable_image) do
+  let(:user_with_video) do
     User.create.tap do |user|
       user.avatar.attach(
-        io: File.open("spec/previewable.pdf"),
+        io: File.open("spec/avatar.mp4"),
+        filename: "avatar.png",
+        content_type: "video/mp4"
+      )
+    end
+  end
+  let(:user_with_pdf) do
+    User.create.tap do |user|
+      user.avatar.attach(
+        io: File.open("spec/avatar.pdf"),
         filename: "avatar.pdf",
         content_type: "application/pdf"
       )
@@ -65,8 +74,14 @@
         it { is_expected.to include('<img src="http://example.com', "blobs") }
       end
 
-      context "when record is previewable" do
-        let(:record) { user_with_previewable_image.avatar.preview(resize_to_limit: [500, 500]) }
+      context "when record is video" do
+        let(:record) { user_with_video.avatar.preview(resize_to_limit: [500, 500]) }
+
+        it { is_expected.to include('<img src="http://example.com', "representations") }
+      end
+
+      context "when record is PDF" do
+        let(:record) { user_with_pdf.avatar.preview(resize_to_limit: [500, 500]) }
 
         it { is_expected.to include('<img src="http://example.com', "representations") }
       end
@@ -102,6 +117,22 @@ def bucket
         it { is_expected.to include('<img src="http://imgproxy.io', "s3://test-bucket", record.blob.key) }
       end
     end
+
+    describe "with resolve_model_to_route = :imgproxy_pro_active_storage" do
+      before { ActiveStorage.resolve_model_to_route = :imgproxy_pro_active_storage }
+
+      context "when record is video" do
+        let(:record) { user_with_video.avatar.preview(resize_to_limit: [500, 500]) }
+
+        it { is_expected.to include('<img src="http://imgproxy.io', "blobs") }
+      end
+
+      context "when record is PDF" do
+        let(:record) { user_with_pdf.avatar.preview(resize_to_limit: [500, 500]) }
+
+        it { is_expected.to include('<img src="http://imgproxy.io', "blobs") }
+      end
+    end
   end
 
   describe "url helpers" do