%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/**
* Class LP_Install_Sample_Data
*
* Create sample course for testing purpose.
* This will create sections, items, questions, answers, ...
*
* @since 3.0.0
*/
class LP_Install_Sample_Data {
/**
* @var array
*/
public static $section_range = array( 5, 10 );
/**
* @var array
*/
public static $item_range = array( 10, 15 );
/**
* @var array
*/
public static $question_range = array( 10, 15 );
/**
* @var array
*/
public static $answer_range = array( 3, 5 );
/**
* @var string
*/
protected $dummy_text = '';
/**
* LP_Install_Sample_Data constructor.
*/
public function __construct() {
add_filter( 'learn-press/script-data', array( $this, 'i18n' ), 10, 2 );
$actions = array(
'lp-install-sample-data',
'lp-uninstall-sample-data'
);
if ( ! in_array( LP_Request::get( 'page' ), $actions ) ) {
return;
}
add_action( 'init', array( $this, 'install' ) );
add_action( 'init', array( $this, 'uninstall' ) );
}
public function i18n( $data, $handle ) {
if ( 'learn-press-global' !== $handle ) {
return $data;
}
$i18n = array(
'confirm_install_sample_data' => __( 'Are you sure you want to install sample course data?', 'learnpress' ),
'confirm_uninstall_sample_data' => __( 'Are you sure you want to delete sample course data?', 'learnpress' )
);
if ( empty( $data['i18n'] ) ) {
$data['i18n'] = $i18n;
} else {
$data['i18n'] = array_merge( $data['i18n'], $i18n );
}
return $data;
}
/**
* Install
*/
public function install() {
if ( ! wp_verify_nonce( LP_Request::get_string( '_wpnonce' ), 'install-sample-course' ) ) {
return;
}
if ( $dummy_text = @file_get_contents( LP_PLUGIN_PATH . '/dummy-data/dummy-text.txt' ) ) {
$this->dummy_text = preg_split( '!\s!', $dummy_text );
}
if ( $section_range = LP_Request::get( 'section-range' ) ) {
self::$section_range = $section_range;
}
if ( $item_range = LP_Request::get( 'item-range' ) ) {
self::$item_range = $item_range;
}
if ( $question_range = LP_Request::get( 'question-range' ) ) {
self::$question_range = $question_range;
}
if ( $answer_range = LP_Request::get( 'answer-range' ) ) {
self::$answer_range = $answer_range;
}
LP_Debug::startTransaction();
try {
ini_set( 'memory_limit', '2G' );
global $wp_filter;
$keys = array_keys( $wp_filter );
$ignore_keys = array( 'sanitize_title' );
foreach ( $keys as $key ) {
if ( in_array( $key, $ignore_keys ) ) {
continue;
}
unset( $wp_filter[ $key ] );
}
$name = LP_Request::get_string( 'custom-name' );
if ( ! $course_id = $this->create_course( $name ) ) {
throw new Exception( 'Create course failed' );
}
$this->create_sections( $course_id );
?>
<div class="lp-install-sample-data-response">
<?php printf( __( 'Course "%s" has been created', 'learnpress' ), get_the_title( $course_id ) ); ?>
<a href="<?php echo esc_url( get_the_permalink( $course_id ) ); ?>"
target="_blank"><?php esc_html_e( 'View', 'learnpress' ); ?></a>
<a href="<?php echo esc_url( admin_url( 'post.php?post=' . $course_id . '&action=edit' ) ); ?>"
target="_blank"><?php esc_html_e( 'Edit', 'learnpress' ); ?></a>
</div>
<?php
LP_Debug::commitTransaction();
} catch ( Exception $ex ) {
LP_Debug::rollbackTransaction();
echo $ex->getMessage();
}
die();
}
/**
* Un-install
*/
public function uninstall() {
if ( ! wp_verify_nonce( LP_Request::get_string( '_wpnonce' ), 'uninstall-sample-course' ) ) {
return;
}
global $wpdb;
$posts = $this->get_sample_posts();
if ( ! $posts ) {
die();
}
LP_Debug::startTransaction();
try {
foreach ( $posts as $post ) {
switch ( $post->post_type ) {
case LP_COURSE_CPT:
$this->_delete_course( $post->ID );
break;
case LP_QUIZ_CPT:
$this->_delete_quiz( $post->ID );
break;
case LP_QUESTION_CPT:
$this->_delete_question( $post->ID );
break;
}
$this->_delete_post( $post->ID );
}
} catch ( Exception $ex ) {
LP_Debug::rollbackTransaction();
echo "Error: " . $ex->getMessage();
}
LP_Debug::commitTransaction();
die();
}
/**
* Get all posts marked as "sample data"
*
* @return array|null|object
*/
public function get_sample_posts() {
global $wpdb;
$query = $wpdb->prepare( "
SELECT p.ID, post_type
FROM {$wpdb->posts} p
INNER JOIN {$wpdb->postmeta} pm ON p.ID = pm.post_id AND pm.meta_key = %s AND pm.meta_value = %s
", '_lp_sample_data', 'yes' );
return $wpdb->get_results( $query );
}
protected function _delete_course( $id ) {
global $wpdb;
$query = $wpdb->prepare( "
SELECT section_id
FROM {$wpdb->learnpress_sections}
WHERE section_course_id = %d
", $id );
if ( $section_ids = $wpdb->get_col( $query ) ) {
$wpdb->query( "DELETE FROM {$wpdb->learnpress_section_items} WHERE section_id IN(" . join( ',', $section_ids ) . ")" );
$wpdb->query( "DELETE FROM {$wpdb->learnpress_sections} WHERE section_id IN(" . join( ',', $section_ids ) . ")" );
}
}
protected function _delete_quiz( $id ) {
global $wpdb;
$wpdb->query( "DELETE FROM {$wpdb->learnpress_quiz_questions} WHERE quiz_id = {$id}" );
}
protected function _delete_question( $id ) {
global $wpdb;
$wpdb->query( "DELETE FROM {$wpdb->learnpress_question_answers} WHERE question_id = {$id}" );
}
protected function _delete_post( $post_id ) {
global $wpdb;
$wpdb->query( "DELETE FROM {$wpdb->postmeta} WHERE post_id = $post_id" );
$wpdb->query( "DELETE FROM {$wpdb->posts} WHERE ID = $post_id" );
}
protected function _delete_user_items( $ids ) {
global $wpdb;
$format = array_fill( 0, sizeof( $ids ), '%d' );
$query = $wpdb->prepare( "
DELETE
FROM {$wpdb->learnpress_user_items}
WHERE item_id IN(" . join( ',', $format ) . ")
", $ids );
$wpdb->query( $query );
}
/**
* Generate content with 'lorem' text.
*
* @param int $min
* @param int $max
*
* @return string
*/
protected function generate_content( $min = 100, $max = 500 ) {
$length = rand( $min, $max );
$max = sizeof( $this->dummy_text ) - 1;
$words = array();
for ( $i = 0; $i < $length; $i ++ ) {
$words[] = $this->dummy_text[ rand( 0, $max ) ];
}
$p = '';
while ( $words ) {
$len = rand( 10, 20 );
$cut = array_splice( $words, 0, $len );
$p .= '<p>' . ucfirst( join( ' ', $cut ) ) . '</p>';
}
return $p;
}
/**
* Generate title with 'lorem' text.
*
* @param int $min
* @param int $max
*
* @return string
*/
protected function generate_title( $min = 10, $max = 15 ) {
$length = rand( $min, $max );
$max = sizeof( $this->dummy_text ) - 1;
$words = array();
for ( $i = 0; $i < $length; $i ++ ) {
$words[] = $this->dummy_text[ rand( 0, $max ) ];
}
return ucfirst( join( ' ', $words ) );
}
/**
* Create course.
*
* @param string $name
*
* @return int|WP_Error
*/
protected function create_course( $name = '' ) {
$data = array(
'post_title' => strlen( $name ) ? $name : __( 'Sample course', 'learnpress' ),
'post_type' => LP_COURSE_CPT,
'post_status' => 'publish',
'post_content' => $this->generate_content()
);
$course_id = wp_insert_post( $data );
if ( $course_id ) {
$metas = array(
'_lp_duration' => '10 week',
'_lp_max_students' => '1000',
'_lp_students' => '0',
'_lp_retake_count' => '0',
'_lp_featured' => 'no',
'_lp_course_result' => 'evaluate_lesson',
'_lp_passing_condition' => '80',
'_lp_required_enroll' => 'yes',
'_lp_sample_data' => 'yes'
);
foreach ( $metas as $key => $value ) {
update_post_meta( $course_id, $key, $value );
}
}
return $course_id;
}
/**
* Create sections.
*
* @param int $course_id
*/
protected function create_sections( $course_id ) {
$section_length = call_user_func_array( 'rand', ( self::$section_range ) );
for ( $i = 1; $i <= $section_length; $i ++ ) {
$section_id = $this->create_section( 'Section ' . $i, $course_id );
if ( $section_id ) {
$this->create_section_items( $section_id, $course_id );
}
}
}
/**
* Create section.
*
* @param string $name
* @param int $course_id
*
* @return int
*/
protected function create_section( $name, $course_id ) {
static $order = 0;
global $wpdb;
$data = array(
'section_name' => $name,
'section_course_id' => $course_id,
'section_order' => $order,
'section_description' => $this->generate_title()
);
$wpdb->insert(
$wpdb->learnpress_sections,
$data,
array( '%s', '%d', '%d', '%s' )
);
if ( $wpdb->insert_id ) {
$order ++;
return $wpdb->insert_id;
}
return 0;
}
/**
* Create section items.
*
* @param int $section_id
* @param int $course_id
*/
protected function create_section_items( $section_id, $course_id ) {
static $lesson_count = 1;
static $quiz_count = 1;
$item_length = call_user_func_array( 'rand', self::$item_range );
for ( $i = 1; $i < $item_length; $i ++ ) {
$lesson_id = $this->create_lesson( 'Lesson ' . $lesson_count ++, $section_id, $course_id );
if ( $lesson_id ) {
if ( $i == 1 ) {
update_post_meta( $lesson_id, '_lp_preview', 'yes' );
}
}
}
$this->create_quiz( 'Quiz ' . $quiz_count ++, $section_id, $course_id );
}
/**
* Create lesson.
*
* @param string $name
* @param int $section_id
* @param int $course_id
*
* @return int|WP_Error
*/
protected function create_lesson( $name, $section_id, $course_id ) {
global $wpdb;
$data = array(
'post_title' => $name,
'post_type' => LP_LESSON_CPT,
'post_status' => 'publish',
'post_content' => $this->generate_content()
);
$lesson_id = wp_insert_post( $data );
if ( $lesson_id ) {
update_post_meta( $lesson_id, '_lp_sample_data', 'yes' );
$section_data = array(
'section_id' => $section_id,
'item_id' => $lesson_id,
'item_type' => LP_LESSON_CPT
);
$wpdb->insert(
$wpdb->learnpress_section_items,
$section_data,
array( '%d', '%d', '%s' )
);
}
return $lesson_id;
}
/**
* Create quiz.
*
* @param string $name
* @param int $section_id
* @param int $course_id
*
* @return int|WP_Error
*/
protected function create_quiz( $name, $section_id, $course_id ) {
global $wpdb;
$data = array(
'post_title' => $name,
'post_type' => LP_QUIZ_CPT,
'post_status' => 'publish',
'post_content' => $this->generate_content()
);
$quiz_id = wp_insert_post( $data );
if ( $quiz_id ) {
$metas = array(
'_lp_preview' => 'no',
'_lp_minus_points' => 0,
'_lp_minus_skip_questions' => 'no',
'_lp_show_hide_question' => 'no',
'_lp_review_questions' => 'yes',
'_lp_show_result' => 'yes',
'_lp_duration' => ( rand( 1, 5 ) * 10 ) . ' ' . 'minute',
'_lp_passing_grade' => rand( 5, 9 ) * 10,
'_lp_retake_count' => rand( 0, 10 ),
'_lp_archive_history' => 'no',
'_lp_show_check_answer' => '0',
'_lp_show_hint' => '0',
'_lp_sample_data' => 'yes'
);
foreach ( $metas as $key => $value ) {
update_post_meta( $quiz_id, $key, $value );
}
$section_data = array(
'section_id' => $section_id,
'item_id' => $quiz_id,
'item_type' => LP_QUIZ_CPT
);
$wpdb->insert(
$wpdb->learnpress_section_items,
$section_data,
array( '%d', '%d', '%s' )
);
$this->create_quiz_questions( $quiz_id );
}
return $quiz_id;
}
/**
* Create questions of a quiz.
*
* @param int $quiz_id
*/
protected function create_quiz_questions( $quiz_id ) {
static $question_index = 1;
global $wpdb;
$question_count = call_user_func_array( 'rand', self::$question_range );
for ( $i = 1; $i <= $question_count; $i ++ ) {
$data = array(
'post_title' => 'Question ' . $question_index ++,
'post_type' => LP_QUESTION_CPT,
'post_status' => 'publish',
'post_content' => $this->generate_content()
);
$question_id = wp_insert_post( $data );
if ( ! $question_id ) {
continue;
}
$type = $this->get_question_type();
update_post_meta( $question_id, '_lp_type', $type );
update_post_meta( $question_id, '_lp_sample_data', 'yes' );
$quiz_question_data = array(
'quiz_id' => $quiz_id,
'question_id' => $question_id
);
$wpdb->insert(
$wpdb->learnpress_quiz_questions,
$quiz_question_data,
array( '%d', '%d' )
);
if ( $wpdb->insert_id ) {
$this->create_question_answers( $question_id, $type );
}
}
}
/**
* Create answers for a question.
*
* @param int $question_id
* @param string $type
*/
protected function create_question_answers( $question_id, $type ) {
global $wpdb;
$answers = $this->get_answers( $type );
foreach ( $answers as $answer ) {
$data = array(
'question_id' => $question_id,
'answer_data' => maybe_serialize( $answer )
);
$wpdb->insert(
$wpdb->learnpress_question_answers,
$data,
array( '%d', '%s' )
);
}
}
/**
* Get random answers by type of question.
*
* @param string $type
*
* @return array
*/
protected function get_answers( $type ) {
$answers = array();
$option_count = $type === 'true_or_false' ? 2 : call_user_func_array( 'rand', self::$answer_range );
for ( $i = 1; $i <= $option_count; $i ++ ) {
$answers[] = array(
'text' => $this->generate_title(),
'value' => md5( uniqid() ),
'is_true' => 'no'
);
}
// Set option is TRUE randomize
if ( $type !== 'multi_choice' ) {
$at = rand( 0, sizeof( $answers ) - 1 );
$answers[ $at ]['is_true'] = 'yes';
$answers[ $at ]['text'] .= _x( ' [TRUE]', 'install-sample-course', 'learnpress' );
} else {
$has_true_option = false;
while ( ! $has_true_option ) {
foreach ( $answers as $k => $v ) {
$answers[ $k ]['is_true'] = rand( 0, 100 ) % 2 ? 'yes' : 'no';
if ( $answers[ $k ]['is_true'] === 'yes' ) {
$answers[ $k ]['text'] .= _x( ' [TRUE]', 'install-sample-course', 'learnpress' );
$has_true_option = true;
}
}
}
}
return $answers;
}
/**
* Get random type for a question.
*
* @return string
*/
protected function get_question_type() {
$types = array(
'true_or_false',
'single_choice',
'multi_choice'
);
return $types[ rand( 0, sizeof( $types ) - 1 ) ];
}
}
new LP_Install_Sample_Data();
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