Refactor clone_attachments

app/models/procedure.rb

@@ -424,7 +424,9 @@ class Procedure < ApplicationRecord
       }
     }
     include_list[:groupe_instructeurs] = :instructeurs if !is_different_admin
-    procedure = self.deep_clone(include: include_list, &method(:clone_attachments))
+    procedure = self.deep_clone(include: include_list) do |original, kopy|
+      PiecesJustificativesService.clone_attachments(original, kopy)
+    end
     procedure.path = SecureRandom.uuid
     procedure.aasm_state = :brouillon
     procedure.closed_at = nil
@@ -470,29 +472,6 @@ class Procedure < ApplicationRecord
     procedure
   end
 
-  def clone_attachments(original, kopy)
-    if original.is_a?(TypeDeChamp)
-      clone_attachment(:piece_justificative_template, original, kopy)
-    elsif original.is_a?(Procedure)
-      clone_attachment(:logo, original, kopy)
-      clone_attachment(:notice, original, kopy)
-      clone_attachment(:deliberation, original, kopy)
-    end
-  end
-
-  def clone_attachment(attribute, original, kopy)
-    original_attachment = original.send(attribute)
-    if original_attachment.attached?
-      kopy.send(attribute).attach({
-        io: StringIO.new(original_attachment.download),
-        filename: original_attachment.filename,
-        content_type: original_attachment.content_type,
-        # we don't want to run virus scanner on cloned file
-        metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE }
-      })
-    end
-  end
-
   def whitelisted?
     whitelisted_at.present?
   end

app/models/procedure_revision.rb

@@ -249,7 +249,9 @@ class ProcedureRevision < ApplicationRecord
   def revise_type_de_champ(type_de_champ)
     types_de_champ_association = type_de_champ.private? ? :revision_types_de_champ_private : :revision_types_de_champ
     association = send(types_de_champ_association).find_by!(type_de_champ: type_de_champ)
-    cloned_type_de_champ = type_de_champ.deep_clone(include: [:types_de_champ], &type_de_champ.method(:clone_attachments))
+    cloned_type_de_champ = type_de_champ.deep_clone(include: [:types_de_champ]) do |original, kopy|
+      PiecesJustificativesService.clone_attachments(original, kopy)
+    end
     cloned_type_de_champ.revision = self
     association.update!(type_de_champ: cloned_type_de_champ)
     cloned_type_de_champ

app/models/type_de_champ.rb

@@ -369,23 +369,4 @@ class TypeDeChamp < ApplicationRecord
       types_de_champ.destroy_all
     end
   end
-
-  def clone_attachments(original, kopy)
-    if original.is_a?(TypeDeChamp)
-      clone_attachment(:piece_justificative_template, original, kopy)
-    end
-  end
-
-  def clone_attachment(attribute, original, kopy)
-    original_attachment = original.send(attribute)
-    if original_attachment.attached?
-      kopy.send(attribute).attach({
-        io: StringIO.new(original_attachment.download),
-        filename: original_attachment.filename,
-        content_type: original_attachment.content_type,
-        # we don't want to run virus scanner on cloned file
-        metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE }
-      })
-    end
-  end
 end

app/services/pieces_justificatives_service.rb

@@ -49,6 +49,30 @@ class PiecesJustificativesService
     end
   end
 
+  def self.clone_attachments(original, kopy)
+    if original.is_a?(TypeDeChamp)
+      clone_attachment(original.piece_justificative_template, kopy.piece_justificative_template)
+    elsif original.is_a?(Procedure)
+      clone_attachment(original.logo, kopy.logo)
+      clone_attachment(original.notice, kopy.notice)
+      clone_attachment(original.deliberation, kopy.deliberation)
+    end
+  end
+
+  def self.clone_attachment(original_attachment, copy_attachment)
+    if original_attachment.attached?
+      original_attachment.open do |tempfile|
+        copy_attachment.attach({
+          io: File.open(tempfile.path),
+          filename: original_attachment.filename,
+          content_type: original_attachment.content_type,
+          # we don't want to run virus scanner on cloned file
+          metadata: { virus_scan_result: ActiveStorage::VirusScanner::SAFE }
+        })
+      end
+    end
+  end
+
   class FakeAttachment < Hashie::Dash
     property :filename
     property :name