ation'] = addslashes( $question['answer_explanation'] );
}
$question_settings = $question['question_settings'];
if ( isset( $question_settings['question_type'] ) && ! in_array( $question_settings['question_type'], $question_types ) ) {
continue;
}
if ( isset( $question_settings['question_type'] ) ) {
if ( 'single_choice' === $question_settings['question_type'] ) {
$question_settings['question_type'] = 'multiple_choice';
}
if ( 'image_matching' === $question_settings['question_type'] ) {
$question_settings['is_image_matching'] = true;
}
}
$question['question_settings'] = maybe_serialize( $question_settings );
if ( isset( $question['question_id'] ) ) {
unset( $question['question_id'] );
}
array_push( $final_questions, $question );
}
foreach ( $answers as $answer ) {
if ( ! $from_course ) {
$rules = array(
'belongs_question_id' => 'required|numeric',
'answer_title' => 'required',
'question_type' => '',
'belongs_question_type' => 'required|match_string:' . implode( ',', $question_types ),
);
$validate = ValidationHelper::validate( $rules, $answer );
if ( ! $validate->success ) {
continue;
}
}
if ( isset( $answer['belongs_question_type'] ) ) {
if ( 'single_choice' === $answer['belongs_question_type'] ) {
$answer['belongs_question_type'] = 'multiple_choice';
}
if ( 'image_matching' === $answer['belongs_question_type'] ) {
$answer['belongs_question_type'] = 'matching';
}
}
if ( isset( $question['answer_title'] ) ) {
$question['answer_title'] = addslashes( $question['answer_title'] );
}
if ( $answer['image_url'] ) {
$upload_data = Helper::upload_file_by_url( $answer['image_url'] );
if ( ! is_wp_error( $upload_data ) ) {
$answer['image_id'] = $upload_data['id'];
}
}
unset( $answer['image_url'] );
if ( isset( $answer['answer_id'] ) ) {
unset( $answer['answer_id'] );
}
array_push( $final_answers, $answer );
}
return array(
'question' => $final_questions,
'answers' => $final_answers,
);
}
/**
* Bulk save quiz question and answer into database.
*
* @since 3.6.0
*
* @param array $quiz_questions_answers the quiz question answers to save.
* @param bool $from_course is the import for course.
* @param int $parent_id the parent course id.
* @param int $quiz_id the quiz id.
*
* @return bool|\WP_Error
*/
public function save_quiz_questions_answers( $quiz_questions_answers, $from_course = false, $parent_id = 0, $quiz_id = 0 ) {
global $wpdb;
$result = true;
$table_question = "{$wpdb->prefix}tutor_quiz_questions";
$table_answer = "{$wpdb->prefix}tutor_quiz_question_answers";
$questions = $quiz_questions_answers['question'];
$answers = $quiz_questions_answers['answers'];
$previous_question_ids = array_column( $questions, 'question_id' );
$previous_answer_ids = $answers ? array_filter( array_column( $answers, 'answer_id' ) ) : null; // filter to remove null values.
$question_ids = array();
$answer_ids = array();
$quiz_questions_answers = $this->prepare_quiz_questions_answers( $quiz_questions_answers, $from_course );
$answers = $quiz_questions_answers['answers'];
$questions = $quiz_questions_answers['question'];
$courses_map = ContentMapHandler::get_content_map()['courses'] ?? null;
try {
$result = QueryHelper::insert_multiple_rows( $table_question, $questions, false, false );
if ( $result ) {
$question_ids = $wpdb->get_results(//phpcs:ignore
"SELECT question_id FROM {$table_question} WHERE question_id >= LAST_INSERT_ID()", //phpcs:ignore
'ARRAY_N'
);
// Flatten ids.
$question_ids = array_merge( ...$question_ids );
}
} catch ( \Exception $e ) {
return new \WP_Error( 'db_insert_fail', __( 'Error inserting quiz questions', 'tutor-pro' ), $e->getMessage() );
}
if ( count( $question_ids ) !== count( $previous_question_ids ) ) {
return new \WP_Error( 'question_mismatch_error', __( 'Invalid quiz question data', 'tutor-pro' ) );
}
if ( $question_ids && $previous_question_ids ) {
$question_ids = array_combine( $previous_question_ids, $question_ids );
}
if ( $answers && $question_ids ) {
$answers = array_map(
function ( $val ) use ( $question_ids ) {
$val['belongs_question_id'] = $question_ids[ $val['belongs_question_id'] ];
return $val;
},
$answers
);
}
if ( $answers ) {
try {
$result = QueryHelper::insert_multiple_rows( $table_answer, $answers, false, false );
if ( $result ) {
$answer_ids = $wpdb->get_results(//phpcs:ignore
"SELECT answer_id FROM {$table_answer} WHERE answer_id >= LAST_INSERT_ID()", //phpcs:ignore
'ARRAY_N'
);
// Flatten ids.
$answer_ids = array_merge( ...$answer_ids );
}
} catch ( \Exception $e ) {
return new \WP_Error( 'db_insert_fail', __( 'Error inserting quiz questions', 'tutor-pro' ), $e->getMessage() );
}
if ( count( $answer_ids ) !== count( $previous_answer_ids ) ) {
return new \WP_Error( 'answer_mismatch_error', __( 'Invalid quiz answer data', 'tutor-pro' ) );
}
if ( $answer_ids && $previous_answer_ids ) {
$answer_ids = array_combine( $previous_answer_ids, $answer_ids );
}
}
if ( $parent_id && $quiz_id && $courses_map ) {
if ( isset( $courses_map[ $parent_id ] ) ) {
$map = $courses_map[ $parent_id ];
if ( isset( $map[ tutor()->quiz_post_type ] ) && isset( $map[ tutor()->quiz_post_type ][ $quiz_id ] ) ) {
$quiz_map = $map[ tutor()->quiz_post_type ][ $quiz_id ];
$quiz_map['question'] = $question_ids;
$quiz_map['answers'] = $answer_ids;
$map[ tutor()->quiz_post_type ][ $quiz_id ] = $quiz_map;
}
$courses_map[ $parent_id ] = $map;
}
}
ContentMapHandler::update_content_map( 'courses', $courses_map );
unset( $questions );
unset( $answers );
unset( $previous_question_ids );
unset( $previous_answer_ids );
unset( $question_ids );
unset( $answer_ids );
unset( $courses_map );
return $result;
}
/**
* Insert quiz contents.
*
* @since 3.8.1
*
* @param array $content the list of quiz contents.
* @param boolean $keep_media_files whether to keep media files.
* @param int $parent_id the parent course id.
*
* @return int|\WP_Error
*/
public function insert_quiz( $content, $keep_media_files = false, $parent_id = 0 ) {
global $wpdb;
$previous_quiz_id = $content['ID'] ?? 0;
$meta = $content['meta'] ?? null;
$question_answer = $content['question_answer'] ?? null;
$question = $content['question'] ?? null;
$answers = $content['answers'] ?? null;
$courses_map = ContentMapHandler::get_content_map()['courses'] ?? null;
$content = Helper::unset_post_data( $content );
$content_id = wp_insert_post( $content, true, true );
if ( is_wp_error( $content_id ) ) {
return $content_id;
}
if ( get_post_type( $content_id ) === ContentModel::QUESTION_POST_TYPE ) {
$quiz_question_answer = $this->flatten_quiz_question_answer( null, $content_id, $question, $answers );
$result = $this->save_quiz_questions_answers( $quiz_question_answer );
if ( is_wp_error( $result ) ) {
ErrorHandler::set_error( $content['post_type'], 'Error adding question answer for quiz : ' . $content['post_title'] );
}
}
if ( $meta && tutor()->quiz_post_type === get_post_type( $content_id ) ) {
$meta = Helper::prepare_meta( $content_id, $meta, $keep_media_files );
try {
QueryHelper::insert_multiple_rows( $wpdb->postmeta, $meta, false, false );
} catch ( \Throwable $th ) {
ErrorHandler::set_error( $content['post_type'], 'Error saving meta value for quiz : ' . $content['post_title'] );
}
}
if ( get_tutor_post_types( 'quiz' ) === get_post_type( $content_id ) ) {
if ( $courses_map && $parent_id ) {
if ( isset( $courses_map[ $parent_id ] ) ) {
$map = $courses_map[ $parent_id ];
$map[ tutor()->quiz_post_type ][ $previous_quiz_id ] = array( 'quiz_id' => $content_id );
$courses_map[ $parent_id ] = $map;
}
}
ContentMapHandler::update_content_map( 'courses', $courses_map );
unset( $courses_map );
if ( $question_answer ) {
$quiz_question_answer = $this->flatten_quiz_question_answer( array( $content_id => $question_answer ) );
$this->save_quiz_questions_answers( $quiz_question_answer, false, $parent_id, $previous_quiz_id );
}
}
unset( $meta );
unset( $quiz_question_answer );
unset( $question );
unset( $answers );
return $content_id;
}
}
Fatal error: Uncaught Error: Class "TutorPro\Tools\QuizImporter" not found in /htdocs/wp-content/plugins/tutor-pro/tools/Importer.php:155
Stack trace:
#0 [internal function]: TutorPro\Tools\Importer->__construct()
#1 /htdocs/wp-content/plugins/tutor/classes/Container.php(210): ReflectionClass->newInstanceArgs(Array)
#2 /htdocs/wp-content/plugins/tutor/classes/Container.php(168): TUTOR\Container::resolve('TutorPro\\Tools\\...')
#3 /htdocs/wp-content/plugins/tutor-pro/tools/Tools.php(37): TUTOR\Container::make('TutorPro\\Tools\\...')
#4 /htdocs/wp-content/plugins/tutor/classes/Singleton.php(51): TutorPro\Tools\Tools->__construct()
#5 /htdocs/wp-content/plugins/tutor-pro/tools/Init.php(24): TUTOR\Singleton::get_instance()
#6 /htdocs/wp-content/plugins/tutor-pro/tools/Init.php(31): tutor_pro_tools()
#7 /htdocs/wp-includes/class-wp-hook.php(341): TUTOR_PRO\Init->{closure}('')
#8 /htdocs/wp-includes/class-wp-hook.php(365): WP_Hook->apply_filters(NULL, Array)
#9 /htdocs/wp-includes/plugin.php(522): WP_Hook->do_action(Array)
#10 /htdocs/wp-settings.php(742): do_action('init')
#11 /htdocs/wp-config.php(98): require_once('/htdocs/wp-sett...')
#12 /htdocs/wp-load.php(50): require_once('/htdocs/wp-conf...')
#13 /htdocs/wp-blog-header.php(13): require_once('/htdocs/wp-load...')
#14 /htdocs/index.php(17): require('/htdocs/wp-blog...')
#15 {main}
thrown in /htdocs/wp-content/plugins/tutor-pro/tools/Importer.php on line 155