allow to disable stamp logo

lib/submitters/create_stamp_attachment.rb

@@ -13,8 +13,8 @@ module Submitters
 
     module_function
 
-    def call(submitter)
-      image = generate_stamp_image(submitter)
+    def call(submitter, with_logo: true)
+      image = generate_stamp_image(submitter, with_logo:)
 
       image_data = image.write_to_buffer('.png')
 
@@ -30,8 +30,13 @@ module Submitters
       )
     end
 
-    def generate_stamp_image(submitter)
-      logo = Vips::Image.new_from_buffer(load_logo(submitter).read, '')
+    def generate_stamp_image(submitter, with_logo: true)
+      logo =
+        if with_logo
+          Vips::Image.new_from_buffer(load_logo(submitter).read, '')
+        else
+          Vips::Image.new_from_buffer(TRANSPARENT_PIXEL, '').resize(WIDTH)
+        end
 
       logo = logo.resize([WIDTH / logo.width.to_f, HEIGHT / logo.height.to_f].min)
 

lib/submitters/submit_values.rb

@@ -78,7 +78,9 @@ module Submitters
         next if field['submitter_uuid'] != submitter.uuid
 
         if field['type'] == 'stamp'
-          acc[field['uuid']] ||= Submitters::CreateStampAttachment.call(submitter).uuid
+          acc[field['uuid']] ||=
+            Submitters::CreateStampAttachment.call(submitter,
+                                                   with_logo: field.dig('preferences', 'with_logo') != false).uuid
 
           next
         end