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<?php
/**
* LearnDash Import Quiz Statistics
*
* This file contains functions to handle import of the LearnDash Quiz Statistics
*
* @package LearnDash\Import
* @since 1.0.0
*/
if ( ! defined( 'ABSPATH' ) ) {
exit;
}
if ( ( ! class_exists( 'LearnDash_Import_Quiz_Statistics' ) ) && ( class_exists( 'LearnDash_Import_Post' ) ) ) {
/**
* Class to import quiz statistics
*/
class LearnDash_Import_Quiz_Statistics extends LearnDash_Import_Post {
/**
* Version
*
* @var string Version.
*/
private $version = '1.0';
/**
* Constructor
*/
public function __construct() {
}
/**
* Get quiz statistics ref model
*
* @return array
*/
public function startQuizStatisticsHeader() {
$statistic_ref_model = new WpProQuiz_Model_StatisticRefModel();
return $statistic_ref_model->get_object_as_array();
}
/**
* Get quiz statistics question
*
* @return array
*/
public function startQuizStatisticsQuestion() {
$pro_quiz_statistic_import = new WpProQuiz_Model_Statistic();
return $pro_quiz_statistic_import->get_object_as_array();
}
/**
* Save quiz statistics set.
*
* $quiz_statistic_data should be an array of arrays. Each array item represents a single user question response.
*
* @param array $quiz_statistic_header Quiz statistics header.
* @param array $quiz_statistic_details Quiz statistics details.
* @return int|null
*/
public function saveQuizStatisticSet( $quiz_statistic_header = array(), $quiz_statistic_details = array() ) {
if ( ( ! empty( $quiz_statistic_header ) ) && ( ! empty( $quiz_statistic_details ) ) ) {
$statistic_ref_model = new WpProQuiz_Model_StatisticRefModel();
$statistic_ref_model->set_array_to_object( $quiz_statistic_header );
$statistic_values = array();
foreach ( $quiz_statistic_details as $quiz_statistic_details ) {
// Called to ensure we have a working Question Set ( WpProQuiz_Model_Question ).
$pro_quiz_statistic_import = new WpProQuiz_Model_Statistic();
$pro_quiz_statistic_import->set_array_to_object( $quiz_statistic_details );
$statistic_values[] = $pro_quiz_statistic_import;
}
$statistic_ref_mapper = new WpProQuiz_Model_StatisticRefMapper();
$statistic_ref_mapper_id = $statistic_ref_mapper->statisticSave( $statistic_ref_model, $statistic_values );
return $statistic_ref_mapper_id;
}
return null;
}
/**
* Migrate file upload to essay
*
* $file_upload_full is the full path to the existing file.
* $question_id is needed when building the essay filename.
*
* @param string $file_upload_full Full path to file.
* @param int $question_id Question ID.
* @return string
*/
public function migrate_file_upload_to_essay( $file_upload_full = '', $question_id = 0 ) {
if ( ! empty( $file_upload_full ) ) {
// This logic was copied from LD core includes/quiz/ld-quiz-essay.php learndash_essay_fileupload_process().
$filename = learndash_clean_filename( basename( $file_upload_full ) );
// get file info.
// @fixme: wp checks the file extension....
$filetype = wp_check_filetype( basename( $filename ), null );
$file_title = preg_replace( '/\.[^.]+$/', '', basename( $filename ) );
$filename = sprintf( 'question_%d_%s.%s', $question_id, $file_title, $filetype['ext'] );
/**
* Filters essay upload file name.
*
* Used in `migrate_file_upload_to_essay` to migrate existing files to essays.
*
* @param string $filename Essay file name.
* @param int $question_id Question ID.
* @param string $file_title File title.
* @param string $extension File extension.
*/
$filename = apply_filters( 'learndash_essay_upload_filename', $filename, $question_id, $file_title, $filetype['ext'] );
$upload_dir = wp_upload_dir();
$upload_dir_base = $upload_dir['basedir'];
$upload_url_base = $upload_dir['baseurl'];
/**
* Filters essay upload directory base.
*
* @param string $dir_base Directory Base.
* @param string $filename Essay file name.
* @param array $upload_dir Uploads directory info.
*/
$upload_dir_path = $upload_dir_base . apply_filters(
'learndash_essay_upload_dirbase',
'/essays',
$filename,
$upload_dir
);
/**
* Filters essay upload url base.
*
* @param string $url_base URL Base.
* @param string $filename Essay file name.
* @param array $upload_dir Uploads directory info.
*/
$upload_url_path = $upload_url_base . apply_filters(
'learndash_essay_upload_urlbase',
'/essays/',
$filename,
$upload_dir
);
if ( ! file_exists( $upload_dir_path ) ) {
mkdir( $upload_dir_path );
}
/**
* Check if the filename already exist in the directory and rename the
* file if necessary
*/
$i = 0;
while ( file_exists( $upload_dir_path . '/' . $filename ) ) {
$i++;
$filename = sprintf( 'question_%d_%s_%d.%s', $question_id, $file_title, $i, $filetype['ext'] );
/**
* Filters essay upload duplicate file name.
*
* Used in `migrate_file_upload_to_essay` function to migrate existing files to essays.
*
* @param string $filename Essay file name.
* @param int $question_id Question ID.
* @param string $file_title File title.
* @param int $index Index of file.
* @param string $extension File extension.
*/
$filename = apply_filters( 'learndash_essay_upload_filename_dup', $filename, $question_id, $file_title, $i, $filetype['ext'] );
}
$file_dest = $upload_dir_path . '/' . $filename;
$copy_ret = copy( $file_upload_full, $file_dest );
if ( true === $copy_ret ) {
return $upload_url_path . $filename;
}
}
return '';
}
/**
* Add quiz attempts to user
*
* @param int $user_id User ID.
* @param array $quiz_attempt Quiz attempts.
*/
public function add_user_quiz_attempt( $user_id = 0, $quiz_attempt = array() ) {
if ( ( ! empty( $user_id ) ) && ( ! empty( $quiz_attempt ) ) ) {
$user_quiz_meta = get_user_meta( $user_id, '_sfwd-quizzes', true );
if ( ! is_array( $user_quiz_meta ) ) {
$user_quiz_meta = array();
}
$user_quiz_meta[] = $quiz_attempt;
update_user_meta( $user_id, '_sfwd-quizzes', $user_quiz_meta );
}
}
// End of functions.
}
}