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<?php
/**
* User functions
*
* @since 2.1.0
*
* @package LearnDash\Users
*/
/**
* Delete user data
*
* @since 2.1.0
*
* @param int $user_id user id.
*/
function learndash_delete_user_data( $user_id ) {
global $wpdb;
if ( ! current_user_can( 'edit_users' ) ) {
return;
}
$user_id = intval( $user_id );
if ( ! empty( $user_id ) ) {
$user = get_user_by( 'id', $user_id );
$ref_ids = $wpdb->get_col( $wpdb->prepare( 'SELECT statistic_ref_id FROM ' . $wpdb->prefix . 'wp_pro_quiz_statistic_ref WHERE user_id = %d ', $user->ID ) );
if ( ! empty( $ref_ids[0] ) ) {
$wpdb->delete( $wpdb->prefix . 'wp_pro_quiz_statistic_ref', array( 'user_id' => $user->ID ) );
$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'wp_pro_quiz_statistic WHERE statistic_ref_id IN (' . implode( ',', $ref_ids ) . ')' );
}
$wpdb->delete(
$wpdb->usermeta, array(
'meta_key' => '_sfwd-quizzes',
'user_id' => $user->ID,
)
);
$wpdb->delete(
$wpdb->usermeta, array(
'meta_key' => '_sfwd-course_progress',
'user_id' => $user->ID,
)
);
$wpdb->query( 'DELETE FROM ' . $wpdb->usermeta . " WHERE meta_key LIKE 'completed_%' AND user_id = " . $user->ID );
$wpdb->query( 'DELETE FROM ' . $wpdb->usermeta . " WHERE meta_key LIKE 'course_%_access_from' AND user_id = " . $user->ID );
$wpdb->query( 'DELETE FROM ' . $wpdb->usermeta . " WHERE meta_key LIKE 'course_completed_%' AND user_id = " . $user->ID );
$wpdb->query( 'DELETE FROM ' . $wpdb->usermeta . " WHERE meta_key LIKE 'learndash_course_expired_%' AND user_id = " . $user->ID );
// Added in v2.3.1 to remove the quiz locks for user.
$wpdb->query( 'DELETE FROM ' . $wpdb->prefix . 'wp_pro_quiz_lock WHERE user_id = ' . $user->ID );
learndash_report_clear_user_activity_by_types( $user_id );
$wpdb->delete( $wpdb->prefix . 'wp_pro_quiz_lock', array( 'user_id' => $user->ID ) );
$wpdb->delete( $wpdb->prefix . 'wp_pro_quiz_toplist', array( 'user_id' => $user->ID ) );
// Move user uploaded Assignements to Trash.
$user_assignements_query_args = array(
'post_type' => 'sfwd-assignment',
'post_status' => 'publish',
'nopaging' => true,
'author' => $user->ID,
);
$user_assignements_query = new WP_Query( $user_assignements_query_args );
if ( $user_assignements_query->have_posts() ) {
foreach ( $user_assignements_query->posts as $assignment_post ) {
wp_trash_post( $assignment_post->ID );
}
}
wp_reset_postdata();
// Move user uploaded Essay to Trash.
$user_essays_query_args = array(
'post_type' => 'sfwd-essays',
'nopaging' => true,
'author' => $user->ID,
);
$user_essays_query = new WP_Query( $user_essays_query_args );
if ( $user_essays_query->have_posts() ) {
foreach ( $user_essays_query->posts as $essay_post ) {
wp_trash_post( $essay_post->ID );
}
}
wp_reset_postdata();
do_action( 'learndash_delete_user_data', $user_id );
}
}
add_action( 'delete_user', 'learndash_delete_user_data' );
/**
* Get all Courses enrolled by User
*
* @since 2.2.1
*
* @param int $user_id User ID.
* @param array $course_query_args Array of WP_Query type arguments.
* @param bool $bypass_transient To bypass transient or not.
*/
function learndash_user_get_enrolled_courses( $user_id = 0, $course_query_args = array(), $bypass_transient = false ) {
$course_ids = array();
if ( empty( $user_id ) ) {
return $course_ids;
}
$bypass_transient = true;
$transient_key = 'learndash_user_courses_' . $user_id;
if ( ! $bypass_transient ) {
$course_ids_transient = learndash_get_valid_transient( $transient_key );
} else {
$course_ids_transient = false;
}
if ( false === $course_ids_transient ) {
$course_autoenroll_admin = LearnDash_Settings_Section::get_section_setting( 'LearnDash_Settings_Section_General_Admin_User', 'courses_autoenroll_admin_users' );
if ( 'yes' === $course_autoenroll_admin ) {
$course_autoenroll_admin = true;
} else {
$course_autoenroll_admin = false;
}
if ( ( learndash_is_admin_user( $user_id ) ) && ( apply_filters( 'learndash_override_course_auto_enroll', $course_autoenroll_admin, $user_id ) ) ) {
$defaults = array(
'post_type' => 'sfwd-courses',
'fields' => 'ids',
'nopaging' => true,
);
$course_query_args = wp_parse_args( $course_query_args, $defaults );
$course_query = new WP_Query( $course_query_args );
if ( ( isset( $course_query->posts ) ) && ( ! empty( $course_query->posts ) ) ) {
$course_ids = $course_query->posts;
}
} else {
$course_ids_open = learndash_get_open_courses();
if ( ! empty( $course_ids_open ) ) {
$course_ids = array_merge( $course_ids, $course_ids_open );
}
$course_ids_paynow = learndash_get_paynow_courses();
if ( ! empty( $course_ids_paynow ) ) {
$course_ids = array_merge( $course_ids, $course_ids_paynow );
}
$course_ids_access = learndash_get_user_course_access_list( $user_id );
if ( ! empty( $course_ids_access ) ) {
$course_ids = array_merge( $course_ids, $course_ids_access );
}
$course_ids_meta = learndash_get_user_courses_from_meta( $user_id );
if ( ! empty( $course_ids_meta ) ) {
$course_ids = array_merge( $course_ids, $course_ids_meta );
}
$course_ids_groups = learndash_get_user_groups_courses_ids( $user_id );
if ( ! empty( $course_ids_groups ) ) {
$course_ids = array_merge( $course_ids, $course_ids_groups );
}
if ( ! empty( $course_ids ) ) {
$course_ids = array_unique( $course_ids );
$defaults = array(
'post_type' => 'sfwd-courses',
'fields' => 'ids',
'nopaging' => true,
);
$course_query_args = wp_parse_args( $course_query_args, $defaults );
$course_query_args['post__in'] = $course_ids;
$course_query = new WP_Query( $course_query_args );
if ( property_exists( $course_query, 'posts' ) ) {
$course_ids = $course_query->posts;
}
}
}
set_transient( $transient_key, $course_ids, MINUTE_IN_SECONDS );
} else {
$course_ids = $course_ids_transient;
}
return $course_ids;
}
/**
* Set Courses enrolled by User
*
* @since 2.2.1
*
* @param int $user_id user id.
* @param array $user_courses_new An array of new course ids.
*/
function learndash_user_set_enrolled_courses( $user_id = 0, $user_courses_new = array() ) {
if ( ! empty( $user_id ) ) {
$user_courses_old = learndash_user_get_enrolled_courses( $user_id, true );
if ( ( empty( $user_courses_old ) ) && ( ! is_array( $user_courses_old ) ) ) {
$user_courses_old = array();
}
$user_courses_intersect = array_intersect( $user_courses_new, $user_courses_old );
$user_courses_add = array_diff( $user_courses_new, $user_courses_intersect );
if ( ! empty( $user_courses_add ) ) {
foreach ( $user_courses_add as $course_id ) {
ld_update_course_access( $user_id, $course_id );
}
}
$user_courses_remove = array_diff( $user_courses_old, $user_courses_intersect );
if ( ! empty( $user_courses_remove ) ) {
foreach ( $user_courses_remove as $course_id ) {
ld_update_course_access( $user_id, $course_id, true );
}
}
// Finally clear our cache for other services.
$transient_key = 'learndash_user_courses_' . $user_id;
delete_transient( $transient_key );
}
}
/**
* Get all courses for the user via the user meta 'course_XXX_access_from'
*
* @since 2.2.1
*
* @param int $user_id user id.
*/
function learndash_get_user_courses_from_meta( $user_id = 0 ) {
global $wpdb;
$user_course_ids = array();
$user_id = intval( $user_id );
if ( ! empty( $user_id ) ) {
$sql_str = $wpdb->prepare( "SELECT REPLACE( REPLACE(meta_key, 'course_', ''), '_access_from', '' ) FROM " . $wpdb->usermeta . ' as usermeta WHERE user_id=%d AND meta_key LIKE %s ', $user_id, 'course_%_access_from' );
$user_course_ids = $wpdb->get_col( $sql_str );
if ( ! empty( $user_course_ids ) ) {
$user_course_ids = array_map( 'intval', $user_course_ids );
}
}
return $user_course_ids;
}
/**
* Check if we show user course complete
*
* @param int $user_id User ID.
* @return bool true or false
*/
function learndash_show_user_course_complete( $user_id = 0 ) {
$show_options = false;
if ( ! empty( $user_id ) ) {
global $pagenow;
if ( ( ( 'profile.php' == $pagenow ) || ( 'user-edit.php' == $pagenow ) ) && ( current_user_can( 'edit_users' ) ) ) {
$show_options = true;
} elseif ( 'admin.php' == $pagenow ) {
if ( ( isset( $_GET['page'] ) ) && ( 'group_admin_page' == $_GET['page'] ) ) {
if ( ( learndash_is_admin_user() ) || ( learndash_is_group_leader_user() ) ) {
$show_options = true;
}
}
}
}
// See example snippet of this filter https://bitbucket.org/snippets/learndash/bMA7r .
return apply_filters( 'learndash_show_user_course_complete_options', $show_options, $user_id );
}
/**
* Save User Courses Complete date
*
* @since 2.3
*
* @param int $user_id User ID.
*/
function learndash_save_user_course_complete( $user_id = 0 ) {
// Hate this cross-logic. But here it is.
// If we are clearing out the user's LD data then we abort this function. Now use going through the update.
if ( ( isset( $_POST['learndash_delete_user_data'] ) ) && ( ! empty( $_POST['learndash_delete_user_data'] ) ) ) {
return;
}
if ( ( ! empty( $user_id ) ) && ( current_user_can( 'edit_users' ) ) ) {
if ( ( isset( $_POST['user_progress'] ) ) && ( isset( $_POST['user_progress'][ $user_id ] ) ) && ( ! empty( $_POST['user_progress'][ $user_id ] ) ) ) {
if ( ( isset( $_POST[ 'user_progress-' . $user_id . '-nonce' ] ) ) && ( ! empty( $_POST[ 'user_progress-' . $user_id . '-nonce' ] ) ) ) {
if ( wp_verify_nonce( $_POST[ 'user_progress-' . $user_id . '-nonce' ], 'user_progress-' . $user_id ) ) {
$user_progress = (array) json_decode( stripslashes( $_POST['user_progress'][ $user_id ] ) );
$user_progress = json_decode( json_encode( $user_progress ), true );
$processed_course_ids = array();
if ( ( isset( $user_progress['course'] ) ) && ( ! empty( $user_progress['course'] ) ) ) {
$usermeta = get_user_meta( $user_id, '_sfwd-course_progress', true );
$course_progress = empty( $usermeta ) ? array() : $usermeta;
$_COURSE_CHANGED = false; // Simple flag to let us know we changed the quiz data so we can save it back to user meta.
foreach ( $user_progress['course'] as $course_id => $course_data_new ) {
$processed_course_ids[ intval( $course_id ) ] = intval( $course_id );
if ( isset( $course_progress[ $course_id ] ) ) {
$course_data_old = $course_progress[ $course_id ];
} else {
$course_data_old = array();
}
$course_data_new = learndash_course_item_to_activity_sync( $user_id, $course_id, $course_data_new, $course_data_old );
$course_progress[ $course_id ] = $course_data_new;
$_COURSE_CHANGED = true;
}
if ( $_COURSE_CHANGED === true ) {
update_user_meta( $user_id, '_sfwd-course_progress', $course_progress );
}
}
if ( ( isset( $user_progress['quiz'] ) ) && ( ! empty( $user_progress['quiz'] ) ) ) {
$usermeta = get_user_meta( $user_id, '_sfwd-quizzes', true );
$quizz_progress = empty( $usermeta ) ? array() : $usermeta;
$_QUIZ_CHANGED = false; // Simple flag to let us know we changed the quiz data so we can save it back to user meta.
foreach ( $user_progress['quiz'] as $course_id => $course_quiz_set ) {
foreach ( $course_quiz_set as $quiz_id => $quiz_new_status ) {
$quiz_meta = get_post_meta( $quiz_id, '_sfwd-quiz', true );
if ( ! empty( $quiz_meta ) ) {
$quiz_old_status = ! learndash_is_quiz_notcomplete( $user_id, array( $quiz_id => 1 ), false, $course_id );
// For Quiz if the admin marks a qiz complete we don't attempt to update an existing attempt for the user quiz.
// Instead we add a new entry. LD doesn't care as it will take the complete one for calculations where needed.
if ( $quiz_new_status == true ) {
if ( $quiz_old_status != true ) {
// If the admin is marking the quiz complete AND the quiz is NOT already complete...
// Then we add the minimal quiz data to the user profile.
$quizdata = array(
'quiz' => $quiz_id,
'score' => 0,
'count' => 0,
'pass' => true,
'rank' => '-',
'time' => time(),
'pro_quizid' => $quiz_meta['sfwd-quiz_quiz_pro'],
'course' => $course_id,
'points' => 0,
'total_points' => 0,
'percentage' => 0,
'timespent' => 0,
'has_graded' => false,
'statistic_ref_id' => 0,
'm_edit_by' => get_current_user_id(), // Manual Edit By ID.
'm_edit_time' => time(), // Manual Edit timestamp.
);
$quizz_progress[] = $quizdata;
if ( $quizdata['pass'] == true ) {
$quizdata_pass = true;
} else {
$quizdata_pass = false;
}
// Then we add the quiz entry to the activity database.
learndash_update_user_activity(
array(
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $quiz_id,
'activity_type' => 'quiz',
'activity_action' => 'insert',
'activity_status' => $quizdata_pass,
'activity_started' => $quizdata['time'],
'activity_completed' => $quizdata['time'],
'activity_meta' => $quizdata,
)
);
$_QUIZ_CHANGED = true;
do_action( 'learndash_quiz_completed', $quizdata, get_user_by( 'ID', $user_id ) );
}
} elseif ( $quiz_new_status !== true ) {
// If we are unsetting a quiz ( changing from complete to incomplete). We need to do some complicated things...
if ( $quiz_old_status === true ) {
if ( ! empty( $quizz_progress ) ) {
foreach ( $quizz_progress as $quiz_idx => $quiz_item ) {
if ( ( $quiz_item['quiz'] == $quiz_id ) && ( $quiz_item['pass'] == true ) ) {
$quizz_progress[ $quiz_idx ]['pass'] = false;
// We need to update the activity database records for this quiz_id
$activity_query_args = array(
'post_ids' => $quiz_id,
'user_ids' => $user_id,
'activity_type' => 'quiz',
);
$quiz_activity = learndash_reports_get_activity( $activity_query_args );
if ( ( isset( $quiz_activity['results'] ) ) && ( ! empty( $quiz_activity['results'] ) ) ) {
foreach ( $quiz_activity['results'] as $result ) {
if ( ( isset( $result->activity_meta['pass'] ) ) && ( $result->activity_meta['pass'] == true ) ) {
// If the activity meta 'pass' element is set to true we want to update it to false.
learndash_update_user_activity_meta( $result->activity_id, 'pass', false );
// Also we need to update the 'activity_status' for this record
learndash_update_user_activity(
array(
'activity_id' => $result->activity_id,
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $quiz_id,
'activity_type' => 'quiz',
'activity_action' => 'update',
'activity_status' => false,
// 'activity_started' => $result->activity_started,
)
);
}
}
}
$_QUIZ_CHANGED = true;
}
/**
* Remove the quiz lock.
*
* @since 2.3.1
*/
if ( ( isset( $quiz_item['pro_quizid'] ) ) && ( ! empty( $quiz_item['pro_quizid'] ) ) ) {
learndash_remove_user_quiz_locks( $user_id, $quiz_item['quiz'] );
}
}
}
}
}
// $course_id = learndash_get_course_id( $quiz_id );
// if ( !empty( $course_id ) ) {
$processed_course_ids[ intval( $course_id ) ] = intval( $course_id );
// }
}
}
}
if ( $_QUIZ_CHANGED == true ) {
update_user_meta( $user_id, '_sfwd-quizzes', $quizz_progress );
}
}
if ( ! empty( $processed_course_ids ) ) {
foreach ( array_unique( $processed_course_ids ) as $course_id ) {
learndash_process_mark_complete( $user_id, $course_id );
}
}
}
}
}
}
}
/**
* We need to compare the new course item progress array to the existing one. Also update the new activity db table
*
* @since 2.3
*
* @param int $user_id The user ID related to this course entry
* @param int $course_id The course ID related to this user course entry
* @param array $course_data_new The new course data item
* @param array $course_data_old The old course data item
* @return null
*/
function learndash_course_item_to_activity_sync( $user_id = 0, $course_id = 0, $course_data_new = array(), $course_data_old = array() ) {
if ( ( empty( $user_id ) ) || ( empty( $course_id ) ) || ( empty( $course_data_new ) ) ) {
return;
}
// If we don't have the old course data we can get it.
if ( empty( $course_data_old ) ) {
$user_course_progress = get_user_meta( $user_id, '_sfwd-course_progress', true );
if ( isset( $user_course_progress[ $course_id ] ) ) {
$course_data_old = $user_course_progress[ $course_id ];
} else {
$course_data_old = array();
}
}
// First we loop over the new Course data lessons. We add any items not in the old array to the activity table
if ( ( isset( $course_data_new['lessons'] ) ) && ( ! empty( $course_data_new['lessons'] ) ) ) {
foreach ( $course_data_new['lessons'] as $lesson_id => $lesson_complete ) {
if ( ! isset( $course_data_old['lessons'][ $lesson_id ] ) ) {
$lesson_args = array(
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $lesson_id,
'activity_type' => 'lesson',
);
$lesson_activity = learndash_get_user_activity( $lesson_args );
if ( ! $lesson_activity ) {
if ( $lesson_complete == true ) {
$lesson_args['activity_started'] = time();
$lesson_args['activity_completed'] = time();
} else {
$lesson_args['activity_started'] = 0;
$lesson_args['activity_completed'] = 0;
}
} else {
if ( $lesson_complete == true ) {
if ( empty( $lesson_activity->activity_started ) ) {
$lesson_args['activity_started'] = time();
}
if ( empty( $lesson_activity->activity_completed ) ) {
$lesson_args['activity_completed'] = time();
}
} else {
$lesson_args['activity_started'] = 0;
$lesson_args['activity_completed'] = 0;
}
}
if ( $lesson_complete == true ) {
$lesson_args['activity_status'] = true;
} else {
$lesson_args['activity_status'] = false;
}
learndash_update_user_activity( $lesson_args );
}
}
}
// Next we loop over the lesson topics. We add any new items not in the old array to the activity table.
if ( ( isset( $course_data_new['topics'] ) ) && ( ! empty( $course_data_new['topics'] ) ) ) {
foreach ( $course_data_new['topics'] as $lesson_id => $lesson_topics ) {
if ( ! empty( $lesson_topics ) ) {
foreach ( $lesson_topics as $topic_id => $topic_complete ) {
if ( ! isset( $course_data_old['topics'][ $lesson_id ][ $topic_id ] ) ) {
$topic_args = array(
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $topic_id,
'activity_type' => 'topic',
);
$topic_activity = learndash_get_user_activity( $topic_args );
if ( ! $topic_activity ) {
if ( $topic_complete == true ) {
$topic_args['activity_started'] = time();
$topic_args['activity_completed'] = time();
} else {
$topic_args['activity_started'] = 0;
$topic_args['activity_completed'] = 0;
}
} else {
if ( $topic_complete == true ) {
if ( empty( $topic_activity->activity_started ) ) {
$topic_args['activity_started'] = time();
}
if ( empty( $topic_activity->activity_completed ) ) {
$topic_args['activity_completed'] = time();
}
} else {
$topic_args['activity_started'] = 0;
$topic_args['activity_completed'] = 0;
}
}
if ( $topic_complete == true ) {
$topic_args['activity_status'] = true;
} else {
$topic_args['activity_status'] = false;
}
learndash_update_user_activity( $topic_args );
}
}
}
}
}
// Then we loop over the old course lessons. Here if the lesson is NOT in the new course lessons we need to change the 'activity_status' to false.
if ( ( isset( $course_data_old['lessons'] ) ) && ( ! empty( $course_data_old['lessons'] ) ) ) {
foreach ( $course_data_old['lessons'] as $lesson_id => $lesson_complete ) {
if ( ! isset( $course_data_new['lessons'][ $lesson_id ] ) ) {
learndash_update_user_activity(
array(
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $lesson_id,
'activity_type' => 'lesson',
'activity_status' => false,
'activity_started' => 0,
'activity_completed' => 0,
'activity_updated' => 0,
)
);
}
}
}
// Then we loop over the old course topics. Here if the lesson is NOT in the new course topics we need to change the 'activity_status' to false.
if ( ( isset( $course_data_old['topics'] ) ) && ( ! empty( $course_data_old['topics'] ) ) ) {
foreach ( $course_data_old['topics'] as $lesson_id => $lesson_topics ) {
if ( ! empty( $lesson_topics ) ) {
foreach ( $lesson_topics as $topic_id => $topic_complete ) {
if ( ! isset( $course_data_new['topics'][ $lesson_id ][ $topic_id ] ) ) {
learndash_update_user_activity(
array(
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $topic_id,
'activity_type' => 'topic',
'activity_status' => false,
'activity_started' => 0,
'activity_completed' => 0,
'activity_updated' => 0,
)
);
}
}
}
}
}
// Finally we recalculate the course completed steps from the new course data.
$completed_steps = learndash_course_get_completed_steps( $user_id, $course_id, $course_data_new );
if ( ( ! isset( $course_data_new['completed'] ) ) || ( $completed_steps != $course_data_new['completed'] ) ) {
$course_args = array(
'course_id' => $course_id,
'user_id' => $user_id,
'post_id' => $course_id,
'activity_type' => 'course',
);
if ( empty( $completed_steps ) ) {
$course_args['activity_status'] = false;
$course_args['activity_started'] = 0;
$course_args['activity_completed'] = 0;
$course_args['activity_updated'] = 0;
} else {
$course_activity = learndash_get_user_activity( $course_args );
if ( $course_activity ) {
if ( intval( $course_activity->activity_started ) ) {
$course_args['activity_started'] = intval( $course_activity->activity_started );
} else {
$course_args['activity_started'] = time();
}
}
}
$course_args['activity_meta'] = array(
'steps_completed' => $completed_steps,
);
learndash_update_user_activity( $course_args );
}
// Then return the new course data to the caller.
return $course_data_new;
}
/**
* Get all Courses where the User ID in the course meta 'access_list' field.
*
* @since 2.3
*
* @param int $user_id User ID.
* @return array an array of course_ids.
*/
function learndash_get_user_course_access_list( $user_id = 0 ) {
global $wpdb;
$user_course_ids = array();
$user_id = intval( $user_id );
if ( ! empty( $user_id ) ) {
$element = Learndash_Admin_Data_Upgrades::get_instance();
$data_settings_courses = $element->get_data_settings( 'course-access-lists' );
if ( version_compare( $data_settings_courses['version'], LEARNDASH_SETTINGS_TRIGGER_UPGRADE_VERSION, '>=') ) {
$is_like = " postmeta.meta_value = '". $user_id ."'
OR postmeta.meta_value REGEXP '^". $user_id .",'
OR postmeta.meta_value REGEXP ',". $user_id .",'
OR postmeta.meta_value REGEXP ',". $user_id ."$'";
$sql_str = "SELECT post_id FROM ". $wpdb->prefix ."postmeta as postmeta INNER JOIN ". $wpdb->prefix ."posts as posts ON posts.ID = postmeta.post_id WHERE posts.post_status='publish' AND posts.post_type='sfwd-courses' AND postmeta.meta_key='course_access_list' AND (". $is_like .")";
} else {
// OR the access list is not empty.
$not_like = " postmeta.meta_value NOT REGEXP '\"sfwd-courses_course_access_list\";s:0:\"\";' ";
// OR the user ID is found in the access list. Note this pattern is four options
// 1. The user ID is the only entry.
// 1a. The single entry could be an int
// 1b. Ot the single entry could be an string
// 2. The user ID is at the front of the list as in "sfwd-courses_course_access_list";*:"X,*";
// 3. The user ID is in middle "sfwd-courses_course_access_list";*:"*,X,*";
// 4. The user ID is at the end "sfwd-courses_course_access_list";*:"*,X";.
$is_like = "
postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";i:" . $user_id . ";s:34:\"sfwd-courses_course_lesson_orderby\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";i:" . $user_id . ";s:40:\"sfwd-courses_course_prerequisite_compare\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";i:" . $user_id . ";s:35:\"sfwd-courses_course_lesson_per_page\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"" . $user_id . "\";s:34:\"sfwd-courses_course_lesson_orderby\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"" . $user_id . "\";s:40:\"sfwd-courses_course_prerequisite_compare\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"" . $user_id . "\";s:35:\"sfwd-courses_course_lesson_per_page\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"" . $user_id . ",(.*)\";s:34:\"sfwd-courses_course_lesson_orderby\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"" . $user_id . ",(.*)\";s:40:\"sfwd-courses_course_prerequisite_compare\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"" . $user_id . ",(.*)\";s:35:\"sfwd-courses_course_lesson_per_page\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"(.*)," . $user_id . ",(.*)\";s:34:\"sfwd-courses_course_lesson_orderby\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"(.*)," . $user_id . ",(.*)\";s:40:\"sfwd-courses_course_prerequisite_compare\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"(.*)," . $user_id . ",(.*)\";s:35:\"sfwd-courses_course_lesson_per_page\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"(.*)," . $user_id . "\";s:34:\"sfwd-courses_course_lesson_orderby\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"(.*)," . $user_id . "\";s:40:\"sfwd-courses_course_prerequisite_compare\"'
OR postmeta.meta_value REGEXP 's:31:\"sfwd-courses_course_access_list\";s:(.*):\"(.*)," . $user_id . "\";s:35:\"sfwd-courses_course_lesson_per_page\"'
";
$sql_str = 'SELECT post_id FROM ' . $wpdb->postmeta . ' as postmeta INNER JOIN ' . $wpdb->posts . " as posts ON posts.ID = postmeta.post_id WHERE posts.post_status='publish' AND posts.post_type='sfwd-courses' AND postmeta.meta_key='_sfwd-courses' AND ( " . $not_like . ' AND (' . $is_like . '))';
}
$user_course_ids = $wpdb->get_col( $sql_str );
}
return $user_course_ids;
}
/**
* Get all Courses within all the Groups the user has access.
*
* @since 2.3
*
* @param int $user_id User ID.
* @return array an array of course_ids.
*/
function learndash_get_user_groups_courses_ids( $user_id = 0 ) {
$user_group_course_ids = array();
if ( empty( $user_id ) ) {
return $user_group_course_ids;
}
// Next we grap all the groups the user is a member of.
$users_group_ids = learndash_get_users_group_ids( $user_id );
if ( ! empty( $users_group_ids ) ) {
// $user_group_course_ids = learndash_get_groups_courses_ids( $user_id, $users_group_ids );
foreach ( $users_group_ids as $group_id ) {
$group_course_ids = learndash_group_enrolled_courses( $group_id );
if ( ! empty( $group_course_ids ) ) {
$user_group_course_ids = array_merge( $user_group_course_ids, $group_course_ids );
}
}
}
return $user_group_course_ids;
}
/**
* Record the last login time for the user.
*
* @since 2.3
*
* @param string $user_login login name.
* @param object $user Object WP_User with user details.
*/
function learndash_wp_login( $user_login = '', $user = '' ) {
if ( ! empty( $user_login ) ) {
if ( ! ( $user instanceof WP_User ) ) {
$user = get_user_by( 'login', $user_login );
}
if ( $user instanceof WP_User ) {
update_user_meta( $user->ID, 'learndash-last-login', time() );
}
}
}
add_action( 'wp_login', 'learndash_wp_login', 99, 1 );
/**
* Remove Quiz lock for specific User and Quiz
*
* @since 2.3.1
* @param int $user_id the User ID.
* @param int $quiz_id the Quiz ID (post ID).
*/
function learndash_remove_user_quiz_locks( $user_id = 0, $quiz_id = 0 ) {
global $wpdb;
if ( ( ! empty( $user_id ) ) && ( ! empty( $quiz_id ) ) ) {
$pro_quiz_id = get_post_meta( $quiz_id, 'quiz_pro_id', true );
if ( ! empty( $pro_quiz_id ) ) {
$sql_str = $wpdb->prepare( 'DELETE FROM ' . $wpdb->prefix . 'wp_pro_quiz_lock WHERE quiz_id = %d AND user_id = %s', $pro_quiz_id, $user_id );
$wpdb->query( $sql_str );
}
}
}
/**
* Given a User ID will retreive and return the calculated course points plus
* the optional 'course_points' user meta.
*
* The course points calculation is based on all completed courses by the user. From
* these completed courses we get any with assigned course points into a total
*
* Then we et the optional 'course_points' user meta value if present. This is a value the
* admin can set to help increase the students point total.
*
* The calculate courses points plus user meta course points are added together and returned.
*
* @since 2.4.0
*
* @param int $user_id user id.
*
* @return bool 0 or greater course points.
*/
function learndash_get_user_course_points( $user_id = 0 ) {
global $wpdb;
if ( empty( $user_id ) ) {
if ( ! is_user_logged_in() ) {
return false;
}
$user_id = get_current_user_id();
}
$user_id = intval( $user_id );
if ( ! empty( $user_id ) ) {
$sql_str = $wpdb->prepare(
'SELECT postmeta.post_id as post_id, postmeta.meta_value as points
FROM ' . $wpdb->postmeta . " as postmeta
WHERE postmeta.post_id IN
(
SELECT DISTINCT REPLACE(user_meta.meta_key, 'course_completed_', '') as course_id
FROM " . $wpdb->usermeta . " as user_meta
WHERE user_meta.meta_key LIKE %s
AND user_meta.user_id = %d and user_meta.meta_value != ''
)
AND postmeta.meta_key=%s
AND postmeta.meta_value != ''", 'course_completed_%', $user_id, 'course_points'
);
$course_points_results = $wpdb->get_results( $sql_str );
$course_points_sum = 0;
if ( ! empty( $course_points_results ) ) {
foreach ( $course_points_results as $course_points ) {
$course_points_sum += learndash_format_course_points( $course_points->points );
}
}
$user_course_points = get_user_meta( $user_id, 'course_points', true );
$user_course_points = learndash_format_course_points( $user_course_points );
return learndash_format_course_points( $course_points_sum + $user_course_points );
}
}
function learndash_get_quiz_statistics_ref_for_quiz_attempt( $user_id = 0, $quiz_attempt = array() ) {
global $wpdb;
if ( empty( $user_id ) ) {
return 0;
}
if ( ( ! isset( $quiz_attempt['pro_quizid'] ) ) || ( empty( $quiz_attempt['pro_quizid'] ) ) ) {
return 0;
}
if ( ( ! isset( $quiz_attempt['time'] ) ) || ( empty( $quiz_attempt['time'] ) ) ) {
return 0;
}
$sql_str = $wpdb->prepare(
'SELECT statistic_ref_id FROM ' . $wpdb->prefix . 'wp_pro_quiz_statistic_ref as stat
INNER JOIN ' . $wpdb->prefix . 'wp_pro_quiz_master as master ON stat.quiz_id=master.id
WHERE user_id = %d AND quiz_id = %d AND create_time = %d AND master.statistics_on=1 LIMIT 1', $user_id, $quiz_attempt['pro_quizid'], $quiz_attempt['time']
);
$ref_id = $wpdb->get_var( $sql_str );
return $ref_id;
}
/**
* Get the shortcode [usermeta] available fields.
*
* @since 2.4.0
*
* @param array $attr An array of attributes to provide context for filter.
*
* @return array An array of available usermeta fields.
*/
function learndash_get_usermeta_shortcode_available_fields( $attr = array() ) {
/**
* Added logic to allow protect certain user meta fields. The default
* fields is based on some of the fields returned via get_userdata().
*
* @since 2.4
*/
return apply_filters(
'learndash_usermeta_shortcode_available_fields',
array(
'user_login' => esc_html__( 'User Login', 'learndash' ),
'display_name' => esc_html__( 'User Display Name', 'learndash' ),
'user_nicename' => esc_html__( 'User Nicename', 'learndash' ),
'first_name' => esc_html__( 'User First Name', 'learndash' ),
'last_name' => esc_html__( 'User Last Name', 'learndash' ),
'nickname' => esc_html__( 'User Nickname', 'learndash' ),
'user_email' => esc_html__( 'User Email', 'learndash' ),
'user_url' => esc_html__( 'User URL', 'learndash' ),
'description' => esc_html__( 'User Description', 'learndash' ),
), $attr
);
}