/** * Remove user from lesson, deleting all data from the corresponding quiz * * @param int $lesson_id * @param int $user_id * @return boolean */ public static function sensei_remove_user_from_lesson($lesson_id = 0, $user_id = 0, $from_course = false) { if (!$lesson_id) { return false; } if (intval($user_id) == 0) { $user_id = get_current_user_id(); } // Process quiz $lesson_quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id); // Delete quiz answers, this auto deletes the corresponding meta data, such as the question/answer grade Sensei_Utils::sensei_delete_quiz_answers($lesson_quiz_id, $user_id); // Delete lesson status $args = array('post_id' => $lesson_id, 'type' => 'sensei_lesson_status', 'user_id' => $user_id); // This auto deletes the corresponding meta data, such as the quiz grade, and questions asked Sensei_Utils::sensei_delete_activities($args); if (!$from_course) { do_action('sensei_user_lesson_reset', $user_id, $lesson_id); } return true; }
/** * Reset user submitted questions * * This function resets the quiz data for a user that has been submitted fro grading already. It is different to * the save_user_answers as currently the saved and submitted answers are stored differently. * * @since 1.7.4 * @access public * * @return bool $reset_success * @param int $user_id * @param int $lesson_id */ public function reset_user_lesson_data($lesson_id, $user_id = 0) { //make sure the parameters are valid if (empty($lesson_id) || empty($user_id) || 'lesson' != get_post_type($lesson_id) || !get_userdata($user_id)) { return false; } //get the users lesson status to make $user_lesson_status = Sensei_Utils::user_lesson_status($lesson_id, $user_id); if (!isset($user_lesson_status->comment_ID)) { // this user is not taking this lesson so this process is not needed return false; } //get the lesson quiz and course $quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id); $course_id = Sensei()->lesson->get_course_id($lesson_id); // reset the transients $answers_transient_key = 'sensei_answers_' . $user_id . '_' . $lesson_id; $grades_transient_key = 'quiz_grades_' . $user_id . '_' . $lesson_id; $answers_feedback_transient_key = 'sensei_answers_feedback_' . $user_id . '_' . $lesson_id; delete_transient($answers_transient_key); delete_transient($grades_transient_key); delete_transient($answers_feedback_transient_key); // reset the quiz answers and feedback notes $deleted_answers = Sensei_Utils::delete_user_data('quiz_answers', $lesson_id, $user_id); $deleted_grades = Sensei_Utils::delete_user_data('quiz_grades', $lesson_id, $user_id); $deleted_user_feedback = Sensei_Utils::delete_user_data('quiz_answers_feedback', $lesson_id, $user_id); // Delete quiz answers, this auto deletes the corresponding meta data, such as the question/answer grade Sensei_Utils::sensei_delete_quiz_answers($quiz_id, $user_id); Sensei_Utils::update_lesson_status($user_id, $lesson_id, 'in-progress', array('questions_asked' => '', 'grade' => '')); // Update course completion Sensei_Utils::update_course_status($user_id, $course_id); // Run any action on quiz/lesson reset (previously this didn't occur on resetting a quiz, see resetting a lesson in sensei_complete_lesson() do_action('sensei_user_lesson_reset', $user_id, $lesson_id); Sensei()->frontend->messages = '<div class="sensei-message note">' . __('Quiz Reset Successfully.', 'woothemes-sensei') . '</div>'; return $deleted_answers && $deleted_grades; }