feat: Export proposals attachments url (#126)

* fix: Export proposals rake task

* fix: Export attachments url in proposal serializer

* revert: Remove dummy rake task

* spec: Ensure attachments_urls key is serialized

config/storage.yml

@@ -14,6 +14,7 @@ scaleway:
   region: fr-par
   bucket: <%= Rails.application.secrets.dig(:scaleway, :bucket_name) %>
   force_path_style: true
+  public: true
 
 # Use rails credentials:edit to set the AWS secrets (as aws:access_key_id|secret_access_key)
 # amazon:

lib/extends/serializers/proposals/proposals_serializer_extends.rb

@@ -33,6 +33,7 @@ def serialize
       },
       comments: proposal.comments_count,
       attachments: proposal.attachments.count,
+      attachment_urls: attachment_urls,
       followers: proposal.followers.count,
       published_at: proposal.published_at,
       url: url,
@@ -45,6 +46,12 @@ def serialize
       }
     }
   end
+
+  def attachment_urls
+    proposal.attachments.map do |attc|
+      Rails.application.routes.url_helpers.rails_blob_url(attc.file.blob, host: proposal.participatory_space.organization.host)
+    end.join(",")
+  end
 end
 
 Decidim::Proposals::ProposalSerializer.class_eval do

spec/services/decidim/proposals/proposal_serializer_spec.rb

@@ -123,6 +123,10 @@ module Proposals
           expect(serialized).to include(attachments: proposal.attachments.count)
         end
 
+        it "serializes the attachments urls" do
+          expect(serialized).to include(:attachment_urls)
+        end
+
         it "serializes the endorsements" do
           expect(serialized[:endorsements]).to include(total_count: proposal.endorsements.count)
           expect(serialized[:endorsements]).to include(user_endorsements: proposal.endorsements.for_listing.map { |identity| identity.normalized_author&.name })