Replace use of return keyword as logic control inside AR transactions, as this is not supported in Ruby 3

lib/draft_approve/models/draft_transaction.rb

@@ -56,24 +56,28 @@
   #
   # @return [Boolean] +true+ if the changes were successfully applied
   def approve_changes!(reviewed_by: nil, review_reason: nil)
+    result = false
     begin
       ActiveRecord::Base.transaction do
-        self.lock!  # Avoid multiple threads applying changes concurrently
-        return false unless self.status == PENDING_APPROVAL
-
-        drafts.order(:created_at, :id).each do |draft|
-          draft.apply_changes!
+        self.lock! # Avoid multiple threads applying changes concurrently
+        if self.status == PENDING_APPROVAL
+          drafts.order(:created_at, :id).each do |draft|
+            draft.apply_changes!
+          end
+
+          self.update!(status: APPROVED, reviewed_by: reviewed_by, review_reason: review_reason)
+          result = true
+          next
         end
-
-        self.update!(status: APPROVED, reviewed_by: reviewed_by, review_reason: review_reason)
-        return true
       end
     rescue StandardError => e
       # Log the error in the database table and re-raise
       self.update!(status: APPROVAL_ERROR, error: "#{e.inspect}\n#{e.backtrace.join("\n")}")
       raise
     end
+    result
   end
+
 
   # Reject all changes in this +DraftTransaction+.
   #

lib/draft_approve/persistor.rb

@@ -46,7 +46,7 @@
       if validate_model?(options) && model.invalid?
         raise(ActiveRecord::RecordInvalid, model)
       end
-
+      result = false
       DraftApprove::Transaction.ensure_in_draft_transaction do
         # Now we're in a Transaction, ensure we don't get multiple drafts for the same object
         if model.persisted? && Draft.pending_approval.where(draftable: model).count > 0
@@ -76,17 +76,21 @@
         changes = serializer.changes_for_model(model)
 
         # Don't write no-op updates!
-        return false if changes.empty? && action_type == Draft::UPDATE
-
-        return model.draft_pending_approval = Draft.create!(
-          draft_transaction: draft_transaction,
-          draftable_type: draftable_type,
-          draftable_id: draftable_id,
-          draft_action_type: action_type,
-          draft_changes: changes,
-          draft_options: draft_options
-        )
+        if changes.empty? && action_type == Draft::UPDATE
+          next
+        else 
+          model.draft_pending_approval = Draft.create!(
+              draft_transaction: draft_transaction,
+              draftable_type: draftable_type,
+              draftable_id: draftable_id,
+              draft_action_type: action_type,
+              draft_changes: changes,
+              draft_options: draft_options
+            )
+          result = model.draft_pending_approval
+        end
       end
+      result
     end
 
     # Write the changes represented by the given +Draft+ object to the database.