Form_Frontend_Submission_Handler::detect_request_form_and_submission( array $data )

	protected function detect_request_form_and_submission( $data ) {
		$form = null;
		$submission = null;

		if ( ! empty( $data['id'] ) ) {
			$submission = $this->form_manager->get_child_manager( 'submissions' )->get( absint( $data['id'] ) );
			if ( $submission ) {
				if ( 'completed' === $submission->status ) {
					return new WP_Error( 'submission_already_completed', __( 'Submission already completed.', 'torro-forms' ) );
				}

				if ( ! empty( $submission->form_id ) ) {
					$form = $submission->get_form();
				}
			}
		}

		if ( ! $form ) {
			if ( empty( $data['form_id'] ) ) {
				return new WP_Error( 'cannot_detect_form', __( 'Could not detect form.', 'torro-forms' ) );
			}

			$form = $this->form_manager->get( absint( $data['form_id'] ) );
			if ( ! $form ) {
				return new WP_Error( 'cannot_detect_form', __( 'Could not detect form.', 'torro-forms' ) );
			}
		}

		return array(
			'form'       => $form,
			'submission' => $submission,
		);
	}