File: /data/www/welovefamily.at/welovefamily.at/htdocs_tmp/wp-content/plugins/wp-quiz/includes/Quiz.php
<?php
/**
* Quiz class
*
* @package WPQuiz
*/
namespace WPQuiz;
use WPQuiz\Migration\Migration;
use WP_Error;
use WP_Post;
use WPQuiz\PlayDataTracking\PlayData;
/**
* Class Quiz
*/
class Quiz {
/**
* Questions.
*
* @var array
*/
protected $questions = array();
/**
* Results.
*
* @var array
*/
protected $results = array();
/**
* Settings.
*
* @var array
*/
protected $settings = array();
/**
* Quiz type.
*
* @var QuizType
*/
protected $quiz_type;
/**
* The post object.
*
* @var WP_Post
*/
protected $post;
/**
* Play data.
*
* @var PlayData
*/
public $play_data = null;
/**
* Quiz constructor.
*
* @param WP_Post $post Post object.
*/
public function __construct( WP_Post $post ) {
$this->post = $post;
$quiz_type = get_post_meta( $post->ID, 'quiz_type', true );
$this->set_quiz_type( $quiz_type );
if ( '' !== get_post_meta( $post->ID, 'questions', true ) ) {
$this->migrate_from_v1( $post );
return;
}
$post_content = $post->post_content;
$data = json_decode( $post_content, true );
if ( ! $data ) {
$post_content = str_replace( array( '="', '/"' ), array( '=\\"', '/\\"' ), $post_content );
$data = json_decode( $post_content, true );
}
if ( $data && ! empty( $data['questions'] ) ) {
$this->set_questions( $data['questions'] );
}
if ( $data && ! empty( $data['results'] ) ) {
$this->set_results( $data['results'] );
}
$meta = get_post_meta( $post->ID );
foreach ( $meta as $key => $value ) {
if ( strpos( $key, 'wp_quiz_' ) !== 0 ) {
continue;
}
$this->settings[ substr( $key, strlen( 'wp_quiz_' ) ) ] = maybe_unserialize( $value[0] );
}
$this->settings = wp_parse_args( $this->settings, $this->quiz_type->get_default_settings() );
}
/**
* Migrates quiz from version 1.
*
* @param WP_Post $post Post object.
*/
protected function migrate_from_v1( WP_Post $post ) {
$quiz_type = get_post_meta( $post->ID, 'quiz_type', true );
$questions = get_post_meta( $post->ID, 'questions', true );
$results = get_post_meta( $post->ID, 'results', true );
$settings = get_post_meta( $post->ID, 'settings', true );
if ( $settings ) {
$switch_fields = array(
'restart_questions',
'promote_plugin',
'auto_scroll',
'end_answers',
);
foreach ( $settings as $key => &$value ) {
// Normalize on/off value.
if ( in_array( $key, $switch_fields, true ) ) {
$value = intval( $value ) ? 'on' : 'off';
} elseif ( 'animation_in' === $key ) {
$value = Migration::transition_animation_in( $value );
} elseif ( 'animation_out' === $key ) {
$value = Migration::transition_animation_out( $value );
}
update_post_meta( $post->ID, 'wp_quiz_' . $key, $value );
}
$this->settings = wp_parse_args( $settings, $this->quiz_type->get_default_settings() );
delete_post_meta( $post->ID, 'settings' );
unset( $settings );
}
$content = array(
'questions' => array(),
'results' => array(),
);
$result_titles = array();
if ( $results ) {
foreach ( $results as $index => $result ) {
$id = Helper::generate_random_string();
$result['id'] = $id;
$result['index'] = $index;
$content['results'][ $id ] = $result;
$result_titles[ $result['title'] ] = $id;
}
delete_post_meta( $post->ID, 'results' );
unset( $results );
}
if ( $questions ) {
foreach ( $questions as $index => $question ) {
$id = Helper::generate_random_string();
$question['id'] = $id;
$question['index'] = $index;
$has_image_answer = false;
if ( ! in_array( $question['mediaType'], array( 'image', 'video' ), true ) ) {
$question['mediaType'] = 'image';
}
if ( ! empty( $question['answers'] ) ) {
$new_answers = array();
foreach ( $question['answers'] as $aindex => $answer ) {
$aid = Helper::generate_random_string();
$answer['id'] = $aid;
$answer['index'] = $aindex;
if ( ! empty( $answer['image'] ) ) {
$has_image_answer = true;
}
if ( 'personality' === $quiz_type ) {
$answer_results = array();
$answer['results'] = ! empty( $answer['results'] ) ? (array) $answer['results'] : array();
foreach ( $answer['results'] as $answer_result ) {
if ( ! isset( $result_titles[ $answer_result['title'] ] ) ) {
continue;
}
$answer_results[ $result_titles[ $answer_result['title'] ] ] = $answer_result['points'];
}
$answer['results'] = $answer_results;
}
$new_answers[ $aid ] = $answer;
}
$question['answers'] = $new_answers;
}
if ( $has_image_answer ) {
$question['answerType'] = 'image';
}
$content['questions'][ $id ] = $question;
}
delete_post_meta( $post->ID, 'questions' );
unset( $result_titles );
unset( $questions );
}
$this->set_questions( $content['questions'] );
$this->set_results( $content['results'] );
global $wpdb;
$wpdb->update(
$wpdb->prefix . 'posts',
array(
'post_content' => wp_json_encode( $content ),
),
array( 'ID' => $post->ID )
); // WPCS: db call ok, cache ok.
if ( ! empty( $GLOBALS['post'] ) ) {
$GLOBALS['post']->post_content = wp_json_encode( $content ); // WPCS: override ok.
}
unset( $content );
unset( $quiz_type );
}
/**
* Converts quiz to array.
*
* @return array
*/
public function to_array() {
$data = array(
'id' => $this->get_id(),
'title' => $this->get_title(),
'type' => $this->quiz_type->get_name(),
'questions' => $this->questions,
'results' => $this->results,
'settings' => $this->settings,
'featured_image' => get_the_post_thumbnail_url( $this->get_id(), 'full' ),
);
/**
* Allows changing the data when convert quiz to array.
*
* @since 2.0.0
*
* @param array $data Quiz array data.
* @param Quiz $quiz Quiz object.
*/
return apply_filters( 'wp_quiz_to_array', $data, $this );
}
/**
* Convert quiz to JSON string.
*
* @return string
*/
public function to_json() {
return wp_json_encode( $this->to_array() );
}
/**
* Sets questions.
*
* @param array $questions Questions.
*/
public function set_questions( array $questions ) {
$this->questions = $questions;
}
/**
* Gets questions.
*
* @return array
*/
public function get_questions() {
return $this->questions;
}
/**
* Sets results.
*
* @param array $results Results.
*/
public function set_results( array $results ) {
$this->results = $results;
}
/**
* Gets results.
*
* @return array
*/
public function get_results() {
return $this->results;
}
/**
* Gets quiz type.
*
* @return QuizType
*/
public function get_quiz_type() {
return $this->quiz_type;
}
/**
* Sets quiz type.
*
* @param string|QuizType $type Quiz type name or object.
* @return bool
*/
public function set_quiz_type( $type ) {
if ( $type instanceof QuizType ) {
$this->quiz_type = $type;
return true;
}
$quiz_type = QuizTypeManager::get( $type );
if ( ! $quiz_type ) {
$quiz_type = QuizTypeManager::get( QuizTypeManager::get_default_quiz_type() );
}
if ( $quiz_type ) {
$this->quiz_type = $quiz_type;
return true;
}
// translators: quiz type.
trigger_error( sprintf( esc_html__( 'Quiz type %s does not exist', 'wp-quiz' ), esc_attr( $type ) ) );
return false;
}
/**
* Gets post object.
*
* @return WP_Post
*/
public function get_post() {
return $this->post;
}
/**
* Gets quiz ID.
*
* @return int
*/
public function get_id() {
return $this->post->ID;
}
/**
* Gets quiz title.
*
* @return string
*/
public function get_title() {
return $this->post->post_title;
}
/**
* Gets quiz url.
*
* @param bool $raw Return the raw quiz URL.
* @return string
*/
public function get_url( $raw = false ) {
$raw_url = get_permalink( $this->post );
if ( $raw || is_singular( PostTypeQuiz::get_name() ) ) {
return $raw_url;
}
global $wp;
$current_url = home_url( $wp->request );
$current_url = add_query_arg( 'wqtid', false, $current_url );
return $current_url;
}
/**
* Gets quiz setting.
*
* @param string $name Setting name.
* @return mixed
*/
public function get_setting( $name ) {
if ( isset( $this->settings[ $name ] ) ) {
return $this->settings[ $name ];
}
$value = get_post_meta( $this->get_id(), 'wp_quiz_' . $name, true );
$this->settings[ $name ] = $value;
return $value;
}
/**
* Gets quiz settings.
*
* @return array
*/
public function get_settings() {
return $this->settings; // This do not return all settings.
}
/**
* Updates questions.
*
* @param array $questions New questions.
* @return int|WP_Error
*/
public function update_questions( array $questions ) {
$data = $this->post->post_content ? json_decode( $this->post->post_content, true ) : array();
$data['questions'] = $questions;
return wp_update_post(
array(
'ID' => $this->post->ID,
'post_content' => wp_json_encode( $data ),
)
);
}
/**
* Updates question.
*
* @param int $question_id Question ID.
* @param array $question New question.
* @return int|WP_Error
*/
public function update_question( $question_id, $question ) {
$question['id'] = $question_id;
$this->questions[ $question_id ] = $question;
return $this->update_questions( $this->questions );
}
/**
* Updates results.
*
* @param array $results New results.
* @return int|WP_Error
*/
public function update_results( array $results ) {
$data = $this->post->post_content ? json_decode( $this->post->post_content, true ) : array();
$data['results'] = $results;
return wp_update_post(
array(
'ID' => $this->post->ID,
'post_content' => wp_json_encode( $data ),
)
);
}
/**
* Gets quiz frontend output.
*
* @param array $args Custom arguments. See {@see QuizType::frontend()} for more details.
* @return string
*/
public function get_frontend_output( array $args = array() ) {
return $this->quiz_type->frontend( $this, $args );
}
}