| 1 |
<?php |
| 2 |
|
| 3 |
/** |
| 4 |
* Class LP_Question_CURD |
| 5 |
* |
| 6 |
* @author ThimPress |
| 7 |
* @package LearnPress/Classes/CURD |
| 8 |
* @since 3.0.0 |
| 9 |
*/ |
| 10 |
|
| 11 |
/** |
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* Prevent loading this file directly |
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*/ |
| 14 |
defined( 'ABSPATH' ) || exit(); |
| 15 |
|
| 16 |
if ( ! class_exists( 'LP_Question_CURD' ) ) { |
| 17 |
|
| 18 |
/** |
| 19 |
* Class LP_Question_CURD |
| 20 |
*/ |
| 21 |
class LP_Question_CURD extends LP_Object_Data_CURD implements LP_Interface_CURD { |
| 22 |
|
| 23 |
/** |
| 24 |
* LP_Question_CURD constructor. |
| 25 |
*/ |
| 26 |
public function __construct() { |
| 27 |
$this->_error_messages = array( |
| 28 |
'QUESTION_NOT_EXISTS' => __( 'Question does not exist.', 'learnpress' ), |
| 29 |
); |
| 30 |
} |
| 31 |
|
| 32 |
/** |
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* Create question and can add to quiz. |
| 34 |
* |
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* @param $args |
| 36 |
* |
| 37 |
* @return bool|int|LP_Question|WP_Error |
| 38 |
*/ |
| 39 |
public function create( &$args ) { |
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$args = wp_parse_args( |
| 41 |
$args, |
| 42 |
array( |
| 43 |
'quiz_id' => 0, |
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'order' => - 1, |
| 45 |
'id' => '', |
| 46 |
'status' => 'publish', |
| 47 |
'type' => 'true_or_false', |
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'title' => __( 'New Question', 'learnpress' ), |
| 49 |
'content' => '', |
| 50 |
'create_answers' => true, |
| 51 |
) |
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); |
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|
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// set question author for author of quiz |
| 55 |
if ( ! empty( $args['quiz_id'] ) ) { |
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$user_id = get_post_field( 'post_author', $args['quiz_id'] ); |
| 57 |
} else { |
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$user_id = learn_press_get_current_user_id(); |
| 59 |
} |
| 60 |
|
| 61 |
$question_id = wp_insert_post( |
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array( |
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'ID' => $args['id'], |
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'post_author' => $user_id, |
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'post_type' => LP_QUESTION_CPT, |
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'post_status' => $args['status'], |
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'post_title' => $args['title'], |
| 68 |
'post_content' => $args['content'], |
| 69 |
) |
| 70 |
); |
| 71 |
|
| 72 |
if ( $question_id ) { |
| 73 |
// add default meta for new lesson |
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$default_meta = LP_Question::get_default_meta(); |
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|
| 76 |
if ( is_array( $default_meta ) ) { |
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foreach ( $default_meta as $key => $value ) { |
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update_post_meta( $question_id, '_lp_' . $key, $value ); |
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} |
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} |
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update_post_meta( $question_id, '_lp_type', $args['type'] ); |
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// update user memory question types |
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get_user_meta( $user_id, '_learn_press_memorize_question_types', $args['type'] ); |
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|
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$question = LP_Question::get_question( $question_id, array( 'type' => $args['type'] ) ); |
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$question->set_type( $args['type'] ); |
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|
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if ( $args['create_answers'] ) { |
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$question->create_default_answers(); |
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|
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// add question to quiz |
| 92 |
if ( ! empty( $args['quiz_id'] ) ) { |
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$quiz_curd = new LP_Quiz_CURD(); |
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$quiz_curd->add_question( $args['quiz_id'], $question_id, $args['order'] ); |
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} |
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} |
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|
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do_action( 'learn-press/after-create-question', $question ); |
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|
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return $question; |
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} |
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|
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return $question_id; |
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} |
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|
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|
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public function update( &$question ) { |
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return $question; |
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// TODO: Implement update() method. |
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} |
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|
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/** |
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* Delete all question's related data before run wp_delete_post(), hook to before delete question hook. |
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* |
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* @since 3.0.0 |
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* |
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* @param object $question_id |
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*/ |
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public function delete( &$question_id ) { |
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// remove all answer of question from {$wpdb->prefix}learnpress_question_answers table |
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$this->clear( $question_id ); |
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|
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// quiz curd |
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$curd = new LP_Quiz_CURD(); |
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|
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// allow hook |
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do_action( 'learn-press/before-delete-question', $question_id ); |
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|
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// get the quizzes that a question is assigned to, return WP Post |
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$quiz = $this->get_quiz( $question_id ); |
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|
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// remove question from quiz |
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if ( $quiz ) { |
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$curd->remove_questions( $quiz->ID, $question_id ); |
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} |
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} |
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|
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/** |
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* Duplicate question. |
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* |
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* @since 3.0.0 |
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* |
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* @param $question_id |
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* @param array $args |
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* |
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* @return mixed|WP_Error |
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*/ |
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public function duplicate( &$question_id, $args = array() ) { |
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if ( ! $question_id ) { |
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return new WP_Error( __( '<p>Op! ID not found</p>', 'learnpress' ) ); |
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} |
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|
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if ( learn_press_get_post_type( $question_id ) != LP_QUESTION_CPT ) { |
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return new WP_Error( __( '<p>Op! The question does not exist</p>', 'learnpress' ) ); |
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} |
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|
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// ensure that user can create question |
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if ( ! current_user_can( 'edit_posts' ) ) { |
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return new WP_Error( __( '<p>Sorry! You don\'t have permission to duplicate this question</p>', 'learnpress' ) ); |
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} |
| 161 |
|
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// origin question |
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$question = LP_Question::get_question( $question_id ); |
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|
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// duplicate question |
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$new_question_id = learn_press_duplicate_post( $question_id, array( 'post_status' => 'publish' ) ); |
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|
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if ( ! $new_question_id || is_wp_error( $new_question_id ) ) { |
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return new WP_Error( __( '<p>Sorry! Failed to duplicate question!</p>', 'learnpress' ) ); |
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} else { |
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|
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// init new question |
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$new_question = LP_Question::get_question( $new_question_id ); |
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|
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// set data |
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$new_question->set_type( $question->get_type() ); |
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$new_question->set_data( 'answer_options', $question->get_data( 'answer_options' ) ); |
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|
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// trigger change user memorize question types |
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$user_id = get_current_user_id(); |
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update_user_meta( $user_id, '_learn_press_memorize_question_types', $new_question->get_type() ); |
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|
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// duplicate answer |
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$this->duplicate_answer( $question_id, $new_question_id ); |
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|
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do_action( 'learn-press/after-duplicate', $question_id, $new_question_id, $args ); |
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|
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return $new_question_id; |
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} |
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} |
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|
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/** |
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* Duplicate answer question. |
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* |
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* @param $question_id | origin question |
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* @param $new_question_id | new question |
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* @TODO tungnx: check duplicate question typ fill_in_blank - must clone row in learnpress_question_answermeta |
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*/ |
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public function duplicate_answer( $question_id, $new_question_id ) { |
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global $wpdb; |
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|
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$query = $wpdb->prepare( " SELECT * FROM $wpdb->learnpress_question_answers WHERE question_id = %d", $question_id ); |
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$answer_options = $wpdb->get_results( $query ); |
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|
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if ( $answer_options ) { |
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foreach ( $answer_options as $option ) { |
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$wpdb->insert( |
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$wpdb->learnpress_question_answers, |
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array( |
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'question_id' => $new_question_id, |
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'title' => ! empty( $option->title ) ? $option->title : '', |
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'value' => ! empty( $option->value ) ? $option->value : '', |
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'is_true' => ! empty( $option->is_true ) ? $option->is_true : '', |
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'order' => $option->order, |
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), |
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array( '%d', '%s', '%s', '%s', '%s' ) |
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); |
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} |
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} |
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} |
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|
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/** |
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* @param LP_Question $question |
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* |
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* @return bool |
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* @throws Exception |
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*/ |
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public function load( &$question ) { |
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// question id |
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$id = $question->get_id(); |
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|
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if ( ! $id || ! in_array( learn_press_get_post_type( $id ), array( 'revision', LP_QUESTION_CPT ) ) ) { |
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throw new Exception( sprintf( __( 'Invalid question with ID "%d".', 'learnpress' ), $id ) ); |
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} |
| 235 |
|
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$question->set_data_via_methods( |
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array( |
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'explanation' => get_post_meta( $id, '_lp_explanation', true ), |
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'hint' => get_post_meta( $id, '_lp_hint', true ), |
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) |
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); |
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// $this->_load_answer_options( $question ); |
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$this->_load_meta( $question ); |
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|
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return true; |
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} |
| 247 |
|
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/** |
| 249 |
* @param $question | LP_Question |
| 250 |
*/ |
| 251 |
protected function _load_meta( &$question ) { |
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$type = get_post_meta( $question->get_id(), '_lp_type', true ); |
| 253 |
if ( ! learn_press_is_support_question_type( $type ) ) { |
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$type = 'true_or_false'; |
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} |
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// $question->set_type( $type ); |
| 257 |
|
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$mark = $this->_get_question_mark( $question->get_id() ); |
| 259 |
$question->set_data_via_methods( |
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array( |
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'mark' => $mark, |
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) |
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); |
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} |
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|
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public function _get_question_mark( $question_id ) { |
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|
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// Recheck _lp_mark @tungnx |
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$mark = get_post_meta( $question_id, '_lp_mark', true ) ? get_post_meta( $question_id, '_lp_mark', true ) : 0; |
| 270 |
|
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$mark = abs( $mark ); |
| 272 |
if ( ! $mark ) { |
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$mark = apply_filters( 'learn-press/question/default-mark', 1, $question_id ); |
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update_post_meta( $question_id, '_lp_mark', $mark ); |
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} |
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|
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return $mark; |
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} |
| 279 |
|
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/** |
| 281 |
* Get the quizzes that a question is assigned to. |
| 282 |
* |
| 283 |
* @since 3.0.0 |
| 284 |
* |
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* @param $question_id |
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* |
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* @return null|object WP_Post |
| 288 |
*/ |
| 289 |
public function get_quiz( $question_id ) { |
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global $wpdb; |
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|
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$query = $wpdb->prepare( |
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" |
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SELECT post.* FROM {$wpdb->posts} post |
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INNER JOIN {$wpdb->prefix}learnpress_quiz_questions quiz ON post.ID = quiz.quiz_id |
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WHERE quiz.question_id = %d |
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", |
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$question_id |
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); |
| 300 |
|
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// get single row |
| 302 |
return $wpdb->get_row( $query ); |
| 303 |
} |
| 304 |
|
| 305 |
/** |
| 306 |
* Change question type. |
| 307 |
* |
| 308 |
* @param $question LP_Question |
| 309 |
* @param $new_type |
| 310 |
* |
| 311 |
* @return bool|int|LP_Question |
| 312 |
*/ |
| 313 |
public function change_question_type( $question, $new_type ) { |
| 314 |
if ( learn_press_get_post_type( $question->get_id() ) != LP_QUESTION_CPT ) { |
| 315 |
return false; |
| 316 |
} |
| 317 |
|
| 318 |
$question_id = $question->get_id(); |
| 319 |
$old_type = $question->get_type(); |
| 320 |
|
| 321 |
/*if ( $old_type == $new_type ) { |
| 322 |
return false; |
| 323 |
}*/ |
| 324 |
|
| 325 |
$answer_options = $question->get_data( 'answer_options' ); |
| 326 |
|
| 327 |
update_post_meta( $question_id, '_lp_type', $new_type ); |
| 328 |
$question->set_type( $new_type ); |
| 329 |
|
| 330 |
$new_question = LP_Question::get_question( $question_id, array( 'force' => true ) ); |
| 331 |
|
| 332 |
if ( $new_question ) { |
| 333 |
$user_id = get_current_user_id(); |
| 334 |
update_user_meta( $user_id, '_learn_press_memorize_question_types', $new_type ); |
| 335 |
|
| 336 |
if ( $old_type == 'multi_choice' && $new_type == 'single_choice' ) { |
| 337 |
$func = '_convert_answers_multi_choice_to_single_choice'; |
| 338 |
} elseif ( ( $old_type == 'multi_choice' || $old_type == 'single_choice' ) && 'true_or_false' == $new_type ) { |
| 339 |
$func = '_convert_answers_to_true_or_false'; |
| 340 |
} else { |
| 341 |
// for rest, clear answer data and create default |
| 342 |
$func = '_convert_default_answers'; |
| 343 |
} |
| 344 |
|
| 345 |
if ( is_callable( array( $this, $func ) ) ) { |
| 346 |
$answer_options = call_user_func_array( |
| 347 |
array( $this, $func ), |
| 348 |
array( |
| 349 |
$question, |
| 350 |
$new_question, |
| 351 |
$answer_options, |
| 352 |
) |
| 353 |
); |
| 354 |
} |
| 355 |
|
| 356 |
LP_Object_Cache::set( 'answer-options-' . $question_id, $answer_options, 'learn-press/questions' ); |
| 357 |
$new_question->set_data( 'answer_options', $answer_options ); |
| 358 |
|
| 359 |
return $new_question; |
| 360 |
} |
| 361 |
|
| 362 |
return false; |
| 363 |
} |
| 364 |
|
| 365 |
/** |
| 366 |
* Update answer title |
| 367 |
* |
| 368 |
* @param $question_id |
| 369 |
* @param $answer |
| 370 |
* |
| 371 |
* @return bool|false|int |
| 372 |
*/ |
| 373 |
public function update_answer_title( $question_id, $answer ) { |
| 374 |
if ( get_post_type( $question_id ) !== LP_QUESTION_CPT ) { |
| 375 |
return false; |
| 376 |
} |
| 377 |
|
| 378 |
global $wpdb; |
| 379 |
|
| 380 |
// question data |
| 381 |
$data = array( |
| 382 |
'data' => apply_filters( |
| 383 |
'learn-press/question/update-answer-data', |
| 384 |
array( |
| 385 |
'title' => $answer['title'], |
| 386 |
'value' => isset( $answer['value'] ) ? $answer['value'] : '', |
| 387 |
'is_true' => isset( $answer['is_true'] ) ? $answer['is_true'] : '', |
| 388 |
) |
| 389 |
), |
| 390 |
'where' => array( |
| 391 |
'question_answer_id' => $answer['question_answer_id'], |
| 392 |
'question_id' => $question_id, |
| 393 |
), |
| 394 |
); |
| 395 |
|
| 396 |
$update = $wpdb->update( |
| 397 |
$wpdb->learnpress_question_answers, |
| 398 |
$data['data'], |
| 399 |
$data['where'], |
| 400 |
array( '%s', '%s', '%s' ), |
| 401 |
array( '%d', '%d' ) |
| 402 |
); |
| 403 |
|
| 404 |
// Update for Fill in Blanks. |
| 405 |
if ( ! empty( $answer['blanks'] ) ) { |
| 406 |
$blanks = $answer['blanks']; |
| 407 |
|
| 408 |
if ( is_array( $blanks ) ) { |
| 409 |
$question = LP_Question::get_question( $question_id ); |
| 410 |
|
| 411 |
foreach ( $blanks as $id => $blank ) { |
| 412 |
$question->_blanks[ $blank['id'] ] = $blank; |
| 413 |
} |
| 414 |
} |
| 415 |
|
| 416 |
learn_press_update_question_answer_meta( $answer['question_answer_id'], '_blanks', $blanks ); |
| 417 |
} |
| 418 |
|
| 419 |
return $update; |
| 420 |
} |
| 421 |
|
| 422 |
/** |
| 423 |
* Update correct answer. |
| 424 |
* |
| 425 |
* @param $question LP_Question |
| 426 |
* @param $correct |
| 427 |
* |
| 428 |
* @return bool | LP_Question |
| 429 |
*/ |
| 430 |
public function change_correct_answer( $question, $correct ) { |
| 431 |
if ( learn_press_get_post_type( $question->get_id() ) != LP_QUESTION_CPT ) { |
| 432 |
return false; |
| 433 |
} |
| 434 |
|
| 435 |
global $wpdb; |
| 436 |
|
| 437 |
$question_id = $question->get_id(); |
| 438 |
$question_type = $question->get_type(); |
| 439 |
$question_answers = $question->get_data( 'answer_options' ); |
| 440 |
|
| 441 |
$db_args = $answers = array(); |
| 442 |
|
| 443 |
foreach ( $question_answers as $index => $answer ) { |
| 444 |
|
| 445 |
$answer_data = array( |
| 446 |
'title' => $answer['title'], |
| 447 |
'value' => isset( $answer['value'] ) ? stripslashes( $answer['value'] ) : '', |
| 448 |
'is_true' => isset( $answer['is_true'] ) ? $answer['is_true'] : '', |
| 449 |
); |
| 450 |
|
| 451 |
// update correct for select answer |
| 452 |
if ( $answer['question_answer_id'] == $correct['question_answer_id'] ) { |
| 453 |
$answer_data['is_true'] = $correct['is_true']; |
| 454 |
} else { |
| 455 |
// untrue all rest answer with True or false and Single choice question |
| 456 |
if ( in_array( $question_type, array( 'true_or_false', 'single_choice' ) ) ) { |
| 457 |
$answer_data['is_true'] = ''; |
| 458 |
} |
| 459 |
} |
| 460 |
|
| 461 |
// question answers data to set cache |
| 462 |
$answers[ $index ] = array( |
| 463 |
'question_answer_id' => $answer['question_answer_id'], |
| 464 |
'question_id' => $question_id, |
| 465 |
'order' => $answer['order'], |
| 466 |
'title' => $answer_data['title'], |
| 467 |
'value' => $answer_data['value'], |
| 468 |
'is_true' => $answer_data['is_true'], |
| 469 |
); |
| 470 |
|
| 471 |
// new answers data |
| 472 |
$db_args[ $index ] = array( |
| 473 |
'data' => array( |
| 474 |
'title' => $answer_data['title'], |
| 475 |
'value' => $answer_data['value'], |
| 476 |
'is_true' => $answer_data['is_true'], |
| 477 |
), |
| 478 |
'where' => array( |
| 479 |
'question_answer_id' => $answer['question_answer_id'], |
| 480 |
'question_id' => $question_id, |
| 481 |
'order' => $answer['order'], |
| 482 |
), |
| 483 |
); |
| 484 |
} |
| 485 |
|
| 486 |
// update db |
| 487 |
foreach ( $db_args as $id => $arg ) { |
| 488 |
$wpdb->update( |
| 489 |
$wpdb->learnpress_question_answers, |
| 490 |
$arg['data'], |
| 491 |
$arg['where'], |
| 492 |
array( '%s', '%s', '%s' ), |
| 493 |
array( '%d', '%d', '%d' ) |
| 494 |
); |
| 495 |
} |
| 496 |
|
| 497 |
// set question answer data |
| 498 |
$question->set_data( 'answer_options', $answers ); |
| 499 |
|
| 500 |
return $question; |
| 501 |
} |
| 502 |
|
| 503 |
/** |
| 504 |
* Sort answers. |
| 505 |
* |
| 506 |
* @since 3.0.0 |
| 507 |
* |
| 508 |
* @param $question_id |
| 509 |
* @param array $order |
| 510 |
* |
| 511 |
* @return bool|LP_Question |
| 512 |
*/ |
| 513 |
public function sort_answers( $question_id, $order = array() ) { |
| 514 |
|
| 515 |
if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { |
| 516 |
return false; |
| 517 |
} |
| 518 |
|
| 519 |
if ( $order ) { |
| 520 |
$question = LP_Question::get_question( $question_id ); |
| 521 |
$answers = $question->get_data( 'answer_options' ); |
| 522 |
|
| 523 |
global $wpdb; |
| 524 |
$new_answers = array(); |
| 525 |
foreach ( $order as $index => $answer_id ) { |
| 526 |
$wpdb->update( |
| 527 |
$wpdb->learnpress_question_answers, |
| 528 |
array( 'order' => $index + 1 ), |
| 529 |
array( 'question_answer_id' => $answer_id ) |
| 530 |
); |
| 531 |
|
| 532 |
$new_answers[ $answer_id ] = $answers[ $answer_id ]; |
| 533 |
} |
| 534 |
|
| 535 |
$question->set_data( 'answer_options', $new_answers ); |
| 536 |
|
| 537 |
return $question; |
| 538 |
|
| 539 |
} |
| 540 |
|
| 541 |
return false; |
| 542 |
} |
| 543 |
|
| 544 |
/** |
| 545 |
* Delete question answer. |
| 546 |
* |
| 547 |
* @param $question_id |
| 548 |
* @param $answer_id |
| 549 |
* @param $force |
| 550 |
* |
| 551 |
* @return bool|false|int |
| 552 |
*/ |
| 553 |
public function delete_answer( $question_id, $answer_id, $force = false ) { |
| 554 |
|
| 555 |
if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { |
| 556 |
return false; |
| 557 |
} |
| 558 |
|
| 559 |
$question = LP_Question::get_question( $question_id ); |
| 560 |
|
| 561 |
// exist answer options |
| 562 |
$answers = $question->get_data( 'answer_options' ); |
| 563 |
|
| 564 |
global $wpdb; |
| 565 |
|
| 566 |
// delete all answer in question |
| 567 |
if ( $force ) { |
| 568 |
$delete = $wpdb->delete( |
| 569 |
$wpdb->learnpress_question_answers, |
| 570 |
array( 'question_id' => $question_id ) |
| 571 |
); |
| 572 |
|
| 573 |
if ( $delete ) { |
| 574 |
$question->set_data( 'answer_options', '' ); |
| 575 |
} |
| 576 |
} else { |
| 577 |
$delete = $wpdb->delete( |
| 578 |
$wpdb->learnpress_question_answers, |
| 579 |
array( 'question_answer_id' => $answer_id ) |
| 580 |
); |
| 581 |
if ( $delete ) { |
| 582 |
unset( $answers[ $answer_id ] ); |
| 583 |
$question->set_data( 'answer_options', $answers ); |
| 584 |
|
| 585 |
$this->sort_answers( $question_id, array_keys( $answers ) ); |
| 586 |
} |
| 587 |
} |
| 588 |
|
| 589 |
return $delete; |
| 590 |
} |
| 591 |
|
| 592 |
/** |
| 593 |
* Add new answer. |
| 594 |
* |
| 595 |
* @param $question_id |
| 596 |
* @param $new_answer |
| 597 |
* |
| 598 |
* @return bool|false|int |
| 599 |
*/ |
| 600 |
public function new_answer( $question_id, $new_answer ) { |
| 601 |
if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT ) { |
| 602 |
return false; |
| 603 |
} |
| 604 |
|
| 605 |
$question = LP_Question::get_question( $question_id ); |
| 606 |
|
| 607 |
// exist answer options |
| 608 |
$answers = $question->get_data( 'answer_options' ); |
| 609 |
// number answer options |
| 610 |
$number = count( $answers ); |
| 611 |
|
| 612 |
if ( $question->get_type() === 'sorting_choice' ) { |
| 613 |
$new_answer['is_true'] = 'yes'; |
| 614 |
} |
| 615 |
|
| 616 |
global $wpdb; |
| 617 |
|
| 618 |
$new_answer = wp_parse_args( |
| 619 |
$new_answer, |
| 620 |
array( |
| 621 |
'question_id' => $question_id, |
| 622 |
'title' => '', |
| 623 |
'value' => learn_press_random_value(), |
| 624 |
'is_true' => '', |
| 625 |
'order' => $number + 1, |
| 626 |
) |
| 627 |
); |
| 628 |
|
| 629 |
$insert = $wpdb->insert( |
| 630 |
$wpdb->learnpress_question_answers, |
| 631 |
$new_answer, |
| 632 |
learn_press_map_columns_format( |
| 633 |
$new_answer, |
| 634 |
array( |
| 635 |
'question_id' => '%d', |
| 636 |
'title' => '%s', |
| 637 |
'value' => '%s', |
| 638 |
'is_true' => '%s', |
| 639 |
'order' => '%d', |
| 640 |
) |
| 641 |
) |
| 642 |
); |
| 643 |
|
| 644 |
if ( $insert ) { |
| 645 |
$new_answer['question_answer_id'] = $wpdb->insert_id; |
| 646 |
|
| 647 |
if ( is_array( $answers ) ) { |
| 648 |
$answers = array_merge( $answers, array( $new_answer ) ); |
| 649 |
} else { |
| 650 |
$answers = array( $new_answer ); |
| 651 |
} |
| 652 |
$question->set_data( 'answer_options', $answers ); |
| 653 |
} |
| 654 |
|
| 655 |
return $wpdb->insert_id; |
| 656 |
} |
| 657 |
|
| 658 |
|
| 659 |
/** |
| 660 |
* Convert answers to true or false question. |
| 661 |
* |
| 662 |
* @since 3.0.0 |
| 663 |
* |
| 664 |
* @param $question |
| 665 |
* @param $new_question |
| 666 |
* @param $answers |
| 667 |
* |
| 668 |
* @return mixed |
| 669 |
*/ |
| 670 |
protected function _convert_answers_to_true_or_false( $question, $new_question, $answers ) { |
| 671 |
if ( is_array( $answers ) ) { |
| 672 |
// array answer ids |
| 673 |
$answer_ids = array_keys( $answers ); |
| 674 |
|
| 675 |
if ( sizeof( $answers ) > 2 ) { |
| 676 |
global $wpdb; |
| 677 |
|
| 678 |
foreach ( $answers as $key => $answer ) { |
| 679 |
if ( array_search( $key, $answer_ids ) > 1 ) { |
| 680 |
$wpdb->delete( |
| 681 |
$wpdb->learnpress_question_answers, |
| 682 |
array( 'question_answer_id' => $answer['question_answer_id'] ) |
| 683 |
); |
| 684 |
} |
| 685 |
} |
| 686 |
$answers = array_slice( $answers, 0, 2, true ); |
| 687 |
} |
| 688 |
|
| 689 |
$correct = 0; |
| 690 |
foreach ( $answers as $key => $answer ) { |
| 691 |
if ( $answer['is_true'] == 'yes' ) { |
| 692 |
$correct += 1; |
| 693 |
} |
| 694 |
} |
| 695 |
|
| 696 |
if ( ! $correct ) { |
| 697 |
// for single choice deletes all correct, set first option is correct |
| 698 |
$answers[ $answer_ids[0] ]['is_true'] = 'yes'; |
| 699 |
} elseif ( $correct == 2 ) { |
| 700 |
// for multiple choice keeps all correct, remove all correct and keep first option |
| 701 |
$answers[ $answer_ids[1] ]['is_true'] = 'no'; |
| 702 |
} |
| 703 |
} |
| 704 |
|
| 705 |
return $answers; |
| 706 |
} |
| 707 |
|
| 708 |
/** |
| 709 |
* |
| 710 |
* Convert answers for multi choice to single choice question. |
| 711 |
* |
| 712 |
* @since 3.0.0 |
| 713 |
* |
| 714 |
* @param $question |
| 715 |
* @param $new_question |
| 716 |
* @param $answers |
| 717 |
* |
| 718 |
* @return array |
| 719 |
*/ |
| 720 |
protected function _convert_answers_multi_choice_to_single_choice( $question, $new_question, $answers ) { |
| 721 |
if ( is_array( $answers ) ) { |
| 722 |
// array answer ids |
| 723 |
$answer_ids = array_keys( $answers ); |
| 724 |
|
| 725 |
$correct = 0; |
| 726 |
foreach ( $answers as $key => $answer ) { |
| 727 |
if ( $answer['is_true'] == 'yes' ) { |
| 728 |
$correct += 1; |
| 729 |
} |
| 730 |
} |
| 731 |
|
| 732 |
if ( ! $correct ) { |
| 733 |
$answers[ $answer_ids[0] ]['is_true'] = 'yes'; |
| 734 |
} elseif ( $correct > 1 ) { |
| 735 |
// remove all correct and keep first option |
| 736 |
$answers[ $answer_ids[0] ]['is_true'] = 'no'; |
| 737 |
} |
| 738 |
} |
| 739 |
|
| 740 |
return $answers; |
| 741 |
} |
| 742 |
|
| 743 |
/** |
| 744 |
* Convert default answers. |
| 745 |
* |
| 746 |
* @param $question LP_Question |
| 747 |
* @param $new_question LP_Question |
| 748 |
* @param $answers |
| 749 |
* |
| 750 |
* @return array |
| 751 |
*/ |
| 752 |
protected function _convert_default_answers( $question, $new_question, $answers ) { |
| 753 |
$question_id = $question->get_id(); |
| 754 |
// clear all exists answer |
| 755 |
$this->clear( $question_id ); |
| 756 |
// set default answer |
| 757 |
$answer_options = $new_question->get_default_answers(); |
| 758 |
|
| 759 |
if ( is_array( $answer_options ) ) { |
| 760 |
foreach ( $answer_options as $index => $answer ) { |
| 761 |
$insert = array( |
| 762 |
'question_id' => $question_id, |
| 763 |
'title' => $answer['title'], |
| 764 |
'value' => isset( $answer['value'] ) ? stripslashes( $answer['value'] ) : '', |
| 765 |
'is_true' => ( $answer['is_true'] == 'yes' ) ? $answer['is_true'] : '', |
| 766 |
'order' => $index + 1, |
| 767 |
); |
| 768 |
$new_answers[] = $this->add_answer( $new_question->get_type(), $insert ); |
| 769 |
}; |
| 770 |
|
| 771 |
return $new_answers; |
| 772 |
} |
| 773 |
|
| 774 |
return $answers; |
| 775 |
} |
| 776 |
|
| 777 |
/** |
| 778 |
* Add question answer. |
| 779 |
* |
| 780 |
* @since 3.0.0 |
| 781 |
* |
| 782 |
* @param string $question_type |
| 783 |
* @param array $args |
| 784 |
* |
| 785 |
* @return array|bool |
| 786 |
*/ |
| 787 |
public function add_answer( $question_type = '', $args = array() ) { |
| 788 |
global $wpdb; |
| 789 |
|
| 790 |
$question = LP_Question::get_question( $args['question_id'], array( 'type' => $question_type ) ); |
| 791 |
|
| 792 |
$wpdb->insert( |
| 793 |
$wpdb->learnpress_question_answers, |
| 794 |
array( |
| 795 |
'question_id' => $args['question_id'], |
| 796 |
'title' => $args['title'], |
| 797 |
'value' => $args['value'], |
| 798 |
'is_true' => $args['is_true'], |
| 799 |
'order' => $args['order'], |
| 800 |
), |
| 801 |
array( '%d', '%s', '%s', '%s', '%d' ) |
| 802 |
); |
| 803 |
|
| 804 |
$question_answer_id = $wpdb->insert_id; |
| 805 |
if ( $question_answer_id ) { |
| 806 |
// update question answer option data |
| 807 |
$answer_options = $question->get_data( 'answer_options' ) ? $question->get_data( 'answer_options' ) : array(); |
| 808 |
|
| 809 |
$new_answer_option_data = array( |
| 810 |
'question_answer_id' => $question_answer_id, |
| 811 |
'question_id' => $args['question_id'], |
| 812 |
'order' => $args['order'], |
| 813 |
'title' => $args['title'], |
| 814 |
'value' => $args['value'], |
| 815 |
'is_true' => $args['is_true'], |
| 816 |
); |
| 817 |
|
| 818 |
if ( ! $answer_options ) { |
| 819 |
$question->set_data( 'answer_options', array( $new_answer_option_data ) ); |
| 820 |
} else { |
| 821 |
$answer_options[] = $new_answer_option_data; |
| 822 |
$question->set_data( 'answer_options', $answer_options ); |
| 823 |
} |
| 824 |
|
| 825 |
return $new_answer_option_data; |
| 826 |
} else { |
| 827 |
return false; |
| 828 |
} |
| 829 |
} |
| 830 |
|
| 831 |
/** |
| 832 |
* Delete question answer. |
| 833 |
* |
| 834 |
* @since 3.0.0 |
| 835 |
* |
| 836 |
* @param $question_id |
| 837 |
* @param $answer_id |
| 838 |
* |
| 839 |
* @return bool|false|int |
| 840 |
*/ |
| 841 |
public function delete_question_answer( $question_id, $answer_id ) { |
| 842 |
if ( learn_press_get_post_type( $question_id ) !== LP_QUESTION_CPT || ! $answer_id ) { |
| 843 |
return false; |
| 844 |
} |
| 845 |
|
| 846 |
global $wpdb; |
| 847 |
|
| 848 |
$result = $wpdb->delete( |
| 849 |
$wpdb->learnpress_question_answers, |
| 850 |
array( 'question_answer_id' => $answer_id ) |
| 851 |
); |
| 852 |
|
| 853 |
return $result; |
| 854 |
} |
| 855 |
|
| 856 |
/** |
| 857 |
* Delete all question answers. |
| 858 |
* |
| 859 |
* @param $question_id |
| 860 |
* |
| 861 |
* @return bool|WP_Error |
| 862 |
*/ |
| 863 |
public function clear( $question_id ) { |
| 864 |
|
| 865 |
if ( ! learn_press_get_question( $question_id ) ) { |
| 866 |
return $this->get_error( 'QUESTION_NOT_EXISTS' ); |
| 867 |
} |
| 868 |
|
| 869 |
do_action( 'learn-press/before-clear-question', $question_id ); |
| 870 |
|
| 871 |
global $wpdb; |
| 872 |
$wpdb->delete( $wpdb->learnpress_question_answers, array( 'question_id' => $question_id ) ); |
| 873 |
|
| 874 |
return true; |
| 875 |
} |
| 876 |
|
| 877 |
/** |
| 878 |
* Load answer options for the question from database. |
| 879 |
* Load from cache if data is already loaded into cache. |
| 880 |
* Otherwise, load from database and put to cache. |
| 881 |
* |
| 882 |
* @param int $question_id |
| 883 |
* |
| 884 |
* @return array |
| 885 |
*/ |
| 886 |
protected function _read_answers( $question_id ) { |
| 887 |
global $wpdb; |
| 888 |
|
| 889 |
$query = $wpdb->prepare( |
| 890 |
" |
| 891 |
SELECT question_answer_id, title, value, is_true |
| 892 |
FROM {$wpdb->prefix}learnpress_question_answers |
| 893 |
WHERE question_id = %d |
| 894 |
ORDER BY `order` ASC |
| 895 |
", |
| 896 |
$question_id |
| 897 |
); |
| 898 |
|
| 899 |
$answer_options = array(); |
| 900 |
|
| 901 |
$results = $wpdb->get_results( $query ); |
| 902 |
|
| 903 |
if ( $results ) { |
| 904 |
foreach ( $results as $k => $v ) { |
| 905 |
$answer_option = array( |
| 906 |
'question_answer_id' => absint( $v->question_answer_id ), |
| 907 |
'title' => $v->title, |
| 908 |
'value' => $v->value, |
| 909 |
'is_true' => $v->is_true, |
| 910 |
'order' => $k + 1, // Need??? |
| 911 |
); |
| 912 |
|
| 913 |
$answer_options[ $v->question_answer_id ] = $answer_option; |
| 914 |
} |
| 915 |
} |
| 916 |
|
| 917 |
return $answer_options; |
| 918 |
} |
| 919 |
|
| 920 |
/** |
| 921 |
* Load answer options for the question from database. |
| 922 |
* Load from cache if data is already loaded into cache. |
| 923 |
* Otherwise, load from database and put to cache. |
| 924 |
* |
| 925 |
* @param $question LP_Question |
| 926 |
*/ |
| 927 |
protected function _load_answer_options( &$question ) { |
| 928 |
$id = $question->get_id(); |
| 929 |
$answer_options = LP_Object_Cache::get( 'answer-options-' . $id, 'lp-questions' ); |
| 930 |
|
| 931 |
if ( false === $answer_options ) { |
| 932 |
global $wpdb; |
| 933 |
$query = $wpdb->prepare( |
| 934 |
" |
| 935 |
SELECT * |
| 936 |
FROM {$wpdb->prefix}learnpress_question_answers |
| 937 |
WHERE question_id = %d |
| 938 |
ORDER BY `order` ASC |
| 939 |
", |
| 940 |
$id |
| 941 |
); |
| 942 |
|
| 943 |
$answer_options = $this->load_answer_options( $question->get_id() ); |
| 944 |
} |
| 945 |
$answer_options = apply_filters( 'learn-press/question/load-answer-options', $answer_options, $id ); |
| 946 |
|
| 947 |
if ( ! empty( $answer_options['question_answer_id'] ) && $answer_options['question_answer_id'] > 0 ) { |
| 948 |
$this->_load_answer_option_meta( $answer_options ); |
| 949 |
} |
| 950 |
LP_Object_Cache::set( 'answer-options-' . $id, $answer_options, 'lp-questions' ); |
| 951 |
|
| 952 |
$question->set_data( 'answer_options', $answer_options ); |
| 953 |
} |
| 954 |
|
| 955 |
/** |
| 956 |
* Load question answers |
| 957 |
* |
| 958 |
* @updated 3.1.0 |
| 959 |
* |
| 960 |
* @param array|int $question_id |
| 961 |
* |
| 962 |
* @return array|bool |
| 963 |
*/ |
| 964 |
public function load_answer_options( $question_id ) { |
| 965 |
global $wpdb; |
| 966 |
|
| 967 |
$return_id = 0; |
| 968 |
|
| 969 |
if ( is_array( $question_id ) ) { |
| 970 |
|
| 971 |
foreach ( $question_id as $q_id ) { |
| 972 |
$this->load_answer_options( $q_id ); |
| 973 |
if ( ! $return_id ) { |
| 974 |
$return_id = $q_id; |
| 975 |
} |
| 976 |
} |
| 977 |
$question_id = $return_id; |
| 978 |
} |
| 979 |
|
| 980 |
$answer_options = LP_Object_Cache::get( 'question-' . $question_id, 'question-answers' ); |
| 981 |
|
| 982 |
if ( false === $answer_options ) { |
| 983 |
$answer_options = $this->_read_answers( $question_id ); |
| 984 |
LP_Object_Cache::set( 'question-' . $question_id, $answer_options, 'question-answers' ); |
| 985 |
} |
| 986 |
|
| 987 |
return $answer_options; |
| 988 |
} |
| 989 |
|
| 990 |
/** |
| 991 |
* Load meta data for answer options. |
| 992 |
* |
| 993 |
* @param array $answer_options |
| 994 |
* |
| 995 |
* @return mixed; |
| 996 |
*/ |
| 997 |
protected function _load_answer_option_meta( &$answer_options ) { |
| 998 |
if ( ! $answer_options ) { |
| 999 |
return false; |
| 1000 |
} |
| 1001 |
|
| 1002 |
$answer_option_ids = wp_list_pluck( $answer_options, 'question_answer_id' ); |
| 1003 |
$format = array_fill( 0, sizeof( $answer_option_ids ), '%d' ); |
| 1004 |
$query = $wpdb->prepare( |
| 1005 |
" |
| 1006 |
SELECT * |
| 1007 |
FROM {$wpdb->prefix}learnpress_question_answermeta |
| 1008 |
WHERE learnpress_question_answer_id IN(" . join( ', ', $format ) . ') |
| 1009 |
', |
| 1010 |
$answer_option_ids |
| 1011 |
); |
| 1012 |
|
| 1013 |
$metas = $wpdb->get_results( $query ); |
| 1014 |
|
| 1015 |
if ( $metas ) { |
| 1016 |
foreach ( $metas as $meta ) { |
| 1017 |
$key = $meta->meta_key; |
| 1018 |
$option_key = $meta->learnpress_question_answer_id; |
| 1019 |
if ( ! empty( $answer_options[ $option_key ] ) ) { |
| 1020 |
if ( $key == 'checked' ) { |
| 1021 |
$key = 'is_true'; |
| 1022 |
} |
| 1023 |
$answer_options[ $option_key ][ $key ] = $meta->meta_value; |
| 1024 |
} |
| 1025 |
} |
| 1026 |
} |
| 1027 |
|
| 1028 |
return true; |
| 1029 |
} |
| 1030 |
|
| 1031 |
public function add_meta( &$object, $meta ) { |
| 1032 |
// TODO: Implement add_meta() method. |
| 1033 |
} |
| 1034 |
|
| 1035 |
public function delete_meta( &$object, $meta ) { |
| 1036 |
// TODO: Implement delete_meta() method. |
| 1037 |
} |
| 1038 |
|
| 1039 |
public function read_meta( &$object ) { |
| 1040 |
// TODO: Implement read_meta() method. |
| 1041 |
} |
| 1042 |
|
| 1043 |
public function update_meta( &$object, $meta ) { |
| 1044 |
// TODO: Implement update_meta() method. |
| 1045 |
} |
| 1046 |
} |
| 1047 |
} |
| 1048 |
|
