_perform_save

in lib/aws-record/record/item_operations.rb [232:282]

• 50 lines of code
• 6 McCabe index (conditional complexity)

      def _perform_save(opts)
        force = opts[:force]
        expect_new = expect_new_item?
        if force
          dynamodb_client.put_item(
            table_name: self.class.table_name,
            item: _build_item_for_save
          )
        elsif expect_new
          put_opts = {
            table_name: self.class.table_name,
            item: _build_item_for_save
          }.merge(prevent_overwrite_expression)
          begin
            dynamodb_client.put_item(put_opts)
          rescue Aws::DynamoDB::Errors::ConditionalCheckFailedException => e
            raise Errors::ConditionalWriteFailed.new(
              "Conditional #put_item call failed! Check that conditional write"\
                " conditions are met, or include the :force option to clobber"\
                " the remote item."
            )
          end
        else
          update_pairs = _dirty_changes_for_update
          update_tuple = self.class.send(
            :_build_update_expression,
            update_pairs
          )
          if update_tuple
            uex, exp_attr_names, exp_attr_values = update_tuple
            request_opts = {
              table_name: self.class.table_name,
              key: key_values,
              update_expression: uex,
              expression_attribute_names: exp_attr_names,
            }
            request_opts[:expression_attribute_values] = exp_attr_values unless exp_attr_values.empty?
            dynamodb_client.update_item(request_opts)
          else
            dynamodb_client.update_item(
              table_name: self.class.table_name,
              key: key_values
            )
          end
        end
        data = self.instance_variable_get("@data")
        data.destroyed = false
        data.new_record = false
        true
      end