Initial commit

app/models/concerns/contractable.rb

@@ -0,0 +1,15 @@
+module Contractable
+  extend ActiveSupport::Concern
+  
+  included do
+    has_one_attached :contract
+
+    validates :contract, content_type: ["application/pdf"]
+
+    scope :having_contract_attached,  -> (release_ids) { left_joins(:contract_attachment).where(active_storage_attachments: { record_id: release_ids }).group(:id).having("COUNT(active_storage_attachments) > 0") }
+
+    def contract_file_name
+      "#{project.name.parameterize}_#{contract_template.release_type}_#{(signed_at || created_at).strftime("%Y.%m.%d")}_#{release_number}_#{name.parameterize}"
+    end
+  end
+end