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<?php
/**
 * LearnDash Import Quiz CPT
 *
 * This file contains functions to handle import of the LearnDash Quiz CPT
 *
 * @package LearnDash\Import
 * @since 1.0.0
 */

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

if ( ( ! class_exists( 'LearnDash_Import_Quiz' ) ) && ( class_exists( 'LearnDash_Import_Post' ) ) ) {
	/**
	 * Class to import quizzes
	 */
	class LearnDash_Import_Quiz extends LearnDash_Import_Post {
		/**
		 * Version
		 *
		 * @var string Version.
		 */
		private $version = '1.0';

		/**
		 * Destination Post Type
		 *
		 * @var string $dest_post_type
		 */
		protected $dest_post_type = 'sfwd-quiz';

		/**
		 * Source Post Type
		 *
		 * @var string $source_post_type
		 */
		protected $source_post_type = 'sfwd-quiz';

		/**
		 * Constructor
		 */
		public function __construct() {
		}

		/**
		 * Duplicate post
		 *
		 * @param integer $source_post_id Post ID to copy.
		 * @param boolean $force_copy     Whether to force the copy. Default false.
		 *
		 * @return WP_Post
		 */
		public function duplicate_post( $source_post_id = 0, $force_copy = false ) {
			$new_post = parent::duplicate_post( $source_post_id, $force_copy );

			return $new_post;
		}

		/**
		 * Duplicate Post's taxonomies
		 *
		 * @param WP_Term $source_term    WP_Term to duplicate.
		 * @param boolean $create_parents Whether to create parent taxonomies. Default false.
		 *
		 * @return WP_Term
		 */
		public function duplicate_post_tax_term( $source_term, $create_parents = false ) {
			$new_term = parent::duplicate_post( $source_term, $create_parents );

			return $new_term;
		}

		/**
		 * Get all quiz questions
		 *
		 * @param int $ld_quiz_id Quiz ID.
		 *
		 * @return array
		 */
		public function fetchAllQuizQuestions( $ld_quiz_id = 0 ) {
			if ( ! empty( $ld_quiz_id ) ) {
				$ld_pro_quiz_id = get_post_meta( $ld_quiz_id, 'quiz_pro_id', true );
				if ( ! empty( $ld_pro_quiz_id ) ) {
					$question_mapper   = new WpProQuiz_Model_QuestionMapper();
					$ld_quiz_questions = $question_mapper->fetchAll( $ld_pro_quiz_id );
					if ( ! empty( $ld_quiz_questions ) ) {
						foreach ( $ld_quiz_questions as $q_idx => $ld_quiz_question ) {
							$ld_quiz_questions[ $q_idx ] = $ld_quiz_question->get_object_as_array();

							if ( ( isset( $ld_quiz_questions[ $q_idx ]['_answerData'] ) ) && ( ! empty( $ld_quiz_questions[ $q_idx ]['_answerData'] ) ) ) {
								foreach ( $ld_quiz_questions[ $q_idx ]['_answerData'] as $a_idx => $answer_item ) {
									$ld_quiz_questions[ $q_idx ]['_answerData'][ $a_idx ] = $answer_item->get_object_as_array();
								}
							}
						}

						return $ld_quiz_questions;
					}
				}
			}

			return array();
		}

		/**
		 * Get quiz set
		 *
		 * @return array
		 */
		public function startQuizSet() {
			$pro_quiz_import = new WpProQuiz_Model_Quiz();

			return $pro_quiz_import->get_object_as_array();
		}

		/**
		 * Save quiz set
		 *
		 * @param array $quiz_data Quiz data.
		 *
		 * @return int
		 */
		public function saveQuizSet( $quiz_data = array() ) {
			if ( ! empty( $quiz_data ) ) {

				$quiz_import = new WpProQuiz_Model_Quiz();
				$quiz_import->set_array_to_object( $quiz_data );

				$quiz_mapper = new WpProQuiz_Model_QuizMapper();
				$quiz_mapper->save( $quiz_import );

				$quiz_id = $quiz_import->getId();

				return $quiz_id;
			}

			return null;
		}

		// End of functions.
	}
}