Current File : /home/kelaby89/abl.academy/wp-content/plugins/learnpress/inc/Models/QuestionPostModel.php

<?php

/**
 * Class Question Post Model
 * To replace class LP_Question old
 *
 * @package LearnPress/Classes
 * @version 1.0.0
 * @since 4.2.8.8
 */

namespace LearnPress\Models;

use Exception;
use LP_Cache;
use LP_Question_Answers_DB;
use LP_Question_Answers_Filter;
use LP_Question_Filter;

class QuestionPostModel extends PostModel {
	/**
	 * @var string Post Type
	 */
	public $post_type = LP_QUESTION_CPT;

	protected $_answer_options = array();

	/**
	 * Const meta key
	 */
	const META_KEY_TYPE        = '_lp_type';
	const META_KEY_MARK        = '_lp_mark';
	const META_KEY_HINT        = '_lp_hint';
	const META_KEY_EXPLANATION = '_lp_explanation';

	/**
	 * Get post question by ID
	 *
	 * @param int $post_id
	 * @param bool $check_cache
	 *
	 * @return false|static
	 */
	public static function find( int $post_id, bool $check_cache = false ) {
		$filter_post     = new LP_Question_Filter();
		$filter_post->ID = $post_id;

		$key_cache   = "questionPostModel/find/{$post_id}";
		$lpQuizCache = new LP_Cache();

		// Check cache
		if ( $check_cache ) {
			$questionPostModel = $lpQuizCache->get_cache( $key_cache );
			if ( $questionPostModel instanceof QuestionPostModel ) {
				return $questionPostModel;
			}
		}

		$questionPostModel = self::get_item_model_from_db( $filter_post );
		// Set cache
		if ( $questionPostModel instanceof QuestionPostModel ) {
			$lpQuizCache->set_cache( $key_cache, $questionPostModel );
		}

		return $questionPostModel;
	}

	public function get_answer_option() {
		try {
			if ( empty( $this->_answer_options ) ) {
				$db                    = LP_Question_Answers_DB::getInstance();
				$filter                = new LP_Question_Answers_Filter();
				$filter->where[]       = "AND question_id = ({$this->ID})";
				$this->_answer_options = $db->get_question_answers( $filter );
			}
		} catch ( Exception $e ) {
			error_log( $e->getMessage() );
		}

		return $this->_answer_options;
	}

	/**
	 * Get all types of question
	 *
	 * @return array
	 */
	public static function get_types(): array {
		$types = [
			'true_or_false'  => esc_html__( 'True Or False', 'learnpress' ),
			'multi_choice'   => esc_html__( 'Multi Choice', 'learnpress' ),
			'single_choice'  => esc_html__( 'Single Choice', 'learnpress' ),
			'fill_in_blanks' => esc_html__( 'Fill In Blanks', 'learnpress' ),
		];

		return apply_filters( 'learn-press/question-types', $types );
	}

	/**
	 * Get type question
	 *
	 * @return string|float
	 */
	public function get_type() {
		return $this->get_meta_value_by_key( self::META_KEY_TYPE, '' );
	}

	/**
	 * @return mixed
	 */
	public function get_hint() {
		return $this->get_meta_value_by_key( self::META_KEY_HINT, '' );
	}

	/**
	 * @return mixed
	 */
	public function get_explanation() {
		return $this->get_meta_value_by_key( self::META_KEY_EXPLANATION, '' );
	}

	/**
	 * @return mixed
	 */
	public function get_mark() {
		return $this->get_meta_value_by_key( self::META_KEY_MARK, 1 );
	}
}