/** * Mark a lesson as started for user * * Will also start the lesson course for the user if the user hans't started taking it already. * * @since 1.6.0 * * @param integer $lesson_id ID of lesson * @param int| string $user_id default 0 * @param bool $complete default false * * @return mixed boolean or comment_ID */ public static function sensei_start_lesson($lesson_id = 0, $user_id = 0, $complete = false) { if (intval($user_id) == 0) { $user_id = get_current_user_id(); } $activity_logged = false; if (intval($lesson_id) > 0) { $course_id = get_post_meta($lesson_id, '_lesson_course', true); if ($course_id) { $is_user_taking_course = Sensei_Utils::user_started_course($course_id, $user_id); if (!$is_user_taking_course) { Sensei_Utils::user_start_course($user_id, $course_id); } } $metadata = array(); $status = 'in-progress'; // Note: When this action runs the lesson status may not yet exist do_action('sensei_user_lesson_start', $user_id, $lesson_id); if ($complete) { $has_questions = get_post_meta($lesson_id, '_quiz_has_questions', true); if ($has_questions) { $status = 'passed'; // Force a pass $metadata['grade'] = 0; } else { $status = 'complete'; } } // Check if user is already taking the lesson $activity_logged = Sensei_Utils::user_started_lesson($lesson_id, $user_id); if (!$activity_logged) { $metadata['start'] = current_time('mysql'); $activity_logged = Sensei_Utils::update_lesson_status($user_id, $lesson_id, $status, $metadata); } else { // if users is already taking the lesson and the status changes to complete update it $current_user_activity = get_comment($activity_logged); if ($status == 'complete' && $status != $current_user_activity->comment_approved) { $comment = array(); $comment['comment_ID'] = $activity_logged; $comment['comment_approved'] = $status; wp_update_comment($comment); } } if ($complete) { // Run this *after* the lesson status has been created/updated do_action('sensei_user_lesson_end', $user_id, $lesson_id); } } return $activity_logged; }
/** * The process grading function handles admin grading submissions. * * This function is hooked on to admin_init. It simply accepts * the grades as the Grader selected theme and saves the total grade and * individual question grades. * * @return bool */ public function admin_process_grading_submission() { // NEEDS REFACTOR/OPTIMISING, such as combining the various meta data stored against the sensei_user_answer entry if (!isset($_POST['sensei_manual_grade']) || !wp_verify_nonce($_POST['_wp_sensei_manual_grading_nonce'], 'sensei_manual_grading') || !isset($_GET['quiz_id']) || $_GET['quiz_id'] != $_POST['sensei_manual_grade']) { return false; //exit and do not grade } $quiz_id = $_GET['quiz_id']; $user_id = $_GET['user']; $questions = Sensei_Utils::sensei_get_quiz_questions($quiz_id); $quiz_lesson_id = Sensei()->quiz->get_lesson_id($quiz_id); $quiz_grade = 0; $count = 0; $quiz_grade_total = $_POST['quiz_grade_total']; $all_question_grades = array(); $all_answers_feedback = array(); foreach ($questions as $question) { ++$count; $question_id = $question->ID; if (isset($_POST['question_' . $question_id])) { $question_grade = 0; if ($_POST['question_' . $question_id] == 'right') { $question_grade = $_POST['question_' . $question_id . '_grade']; } // add data to the array that will, after the loop, be stored on the lesson status $all_question_grades[$question_id] = $question_grade; // tally up the total quiz grade $quiz_grade += $question_grade; } // endif // Question answer feedback / notes $question_feedback = ''; if (isset($_POST['questions_feedback'][$question_id])) { $question_feedback = wp_unslash($_POST['questions_feedback'][$question_id]); } $all_answers_feedback[$question_id] = $question_feedback; } // end for each $questions //store all question grades on the lesson status Sensei()->quiz->set_user_grades($all_question_grades, $quiz_lesson_id, $user_id); //store the feedback from grading Sensei()->quiz->save_user_answers_feedback($all_answers_feedback, $quiz_lesson_id, $user_id); // $_POST['all_questions_graded'] is set when all questions have been graded // in the class sensei grading user quiz -> display() if ($_POST['all_questions_graded'] == 'yes') { // set the users total quiz grade if (0 < intval($quiz_grade_total)) { $grade = abs(round(doubleval($quiz_grade) * 100 / $quiz_grade_total, 2)); } else { $grade = 0; } Sensei_Utils::sensei_grade_quiz($quiz_id, $grade, $user_id); // Duplicating what Frontend->sensei_complete_quiz() does $pass_required = get_post_meta($quiz_id, '_pass_required', true); $quiz_passmark = abs(round(doubleval(get_post_meta($quiz_id, '_quiz_passmark', true)), 2)); $lesson_metadata = array(); if ($pass_required) { // Student has reached the pass mark and lesson is complete if ($quiz_passmark <= $grade) { $lesson_status = 'passed'; } else { $lesson_status = 'failed'; } // End If Statement } else { $lesson_status = 'graded'; } $lesson_metadata['grade'] = $grade; // Technically already set as part of "WooThemes_Sensei_Utils::sensei_grade_quiz()" above Sensei_Utils::update_lesson_status($user_id, $quiz_lesson_id, $lesson_status, $lesson_metadata); if (in_array($lesson_status, array('passed', 'graded'))) { /** * Summary. * * Description. * * @since 1.7.0 * * @param int $user_id * @param int $quiz_lesson_id */ do_action('sensei_user_lesson_end', $user_id, $quiz_lesson_id); } // end if in_array } // end if $_POST['all_que... if (isset($_POST['sensei_grade_next_learner']) && strlen($_POST['sensei_grade_next_learner']) > 0) { $load_url = add_query_arg(array('message' => 'graded')); } elseif (isset($_POST['_wp_http_referer'])) { $load_url = add_query_arg(array('message' => 'graded'), $_POST['_wp_http_referer']); } else { $load_url = add_query_arg(array('message' => 'graded')); } wp_safe_redirect(esc_url_raw($load_url)); exit; }
/** * Submit the users quiz answers for grading * * This function accepts users answers and stores it but also initiates the grading * if a quiz can be graded automatically it will, if not the answers can be graded by the teacher. * * @since 1.7.4 * @access public * * @param array $quiz_answers * @param array $files from $_FILES * @param int $user_id * @param int $lesson_id * * @return bool $answers_submitted */ public static function submit_answers_for_grading($quiz_answers, $files = array(), $lesson_id, $user_id = 0) { $answers_submitted = false; // get the user_id if none was passed in use the current logged in user if (!intval($user_id) > 0) { $user_id = get_current_user_id(); } // make sure the parameters are valid before continuing if (empty($lesson_id) || empty($user_id) || 'lesson' != get_post_type($lesson_id) || !get_userdata($user_id) || !is_array($quiz_answers)) { return false; } // Default grade $grade = 0; // Get Quiz ID $quiz_id = Sensei()->lesson->lesson_quizzes($lesson_id); // Get quiz grade type $quiz_grade_type = get_post_meta($quiz_id, '_quiz_grade_type', true); // Get quiz pass setting $pass_required = get_post_meta($quiz_id, '_pass_required', true); // Get the minimum percentage need to pass this quiz $quiz_pass_percentage = abs(round(doubleval(get_post_meta($quiz_id, '_quiz_passmark', true)), 2)); // Handle Quiz Questions asked // This is to ensure we save the questions that we've asked this user and that this can't be change unless // the quiz is reset by admin or user( user: only if the setting is enabled ). // get the questions asked when when the quiz questions were generated for the user : Sensei_Lesson::lesson_quiz_questions $user_lesson_status = Sensei_Utils::user_lesson_status($lesson_id, $user_id); $questions_asked = get_comment_meta($user_lesson_status->comment_ID, 'questions_asked', true); if (empty($questions_asked)) { $questions_asked = array_keys($quiz_answers); $questions_asked_string = implode(',', $questions_asked); // Save questions that were asked in this quiz update_comment_meta($user_lesson_status->comment_ID, 'questions_asked', $questions_asked_string); } // Save Quiz Answers for grading, the save function also calls the sensei_start_lesson self::save_user_answers($quiz_answers, $files, $lesson_id, $user_id); // Grade quiz $grade = Sensei_Grading::grade_quiz_auto($quiz_id, $quiz_answers, 0, $quiz_grade_type); // Get Lesson Grading Setting $lesson_metadata = array(); $lesson_status = 'ungraded'; // Default when completing a quiz // At this point the answers have been submitted $answers_submitted = true; // if this condition is false the quiz should manually be graded by admin if ('auto' == $quiz_grade_type && !is_wp_error($grade)) { // Quiz has been automatically Graded if ('on' == $pass_required) { // Student has reached the pass mark and lesson is complete if ($quiz_pass_percentage <= $grade) { $lesson_status = 'passed'; } else { $lesson_status = 'failed'; } // End If Statement } else { // Student only has to partake the quiz $lesson_status = 'graded'; } $lesson_metadata['grade'] = $grade; // Technically already set as part of "WooThemes_Sensei_Utils::sensei_grade_quiz_auto()" above } // end if ! is_wp_error( $grade ... Sensei_Utils::update_lesson_status($user_id, $lesson_id, $lesson_status, $lesson_metadata); if ('passed' == $lesson_status || 'graded' == $lesson_status) { /** * Lesson end action hook * * This hook is fired after a lesson quiz has been graded and the lesson status is 'passed' OR 'graded' * * @param int $user_id * @param int $lesson_id */ do_action('sensei_user_lesson_end', $user_id, $lesson_id); } /** * User quiz has been submitted * * Fires the end of the submit_answers_for_grading function. It will fire irrespective of the submission * results. * * @param int $user_id * @param int $quiz_id * @param string $grade * @param string $quiz_pass_percentage * @param string $quiz_grade_type */ do_action('sensei_user_quiz_submitted', $user_id, $quiz_id, $grade, $quiz_pass_percentage, $quiz_grade_type); return $answers_submitted; }