PHP WooThemes_Sensei_Utils::sensei_grade_question方法代码示例

 public function process_grading()
 {
     // NEEDS REFACTOR/OPTIMISING, such as combining the various meta data stored against the sensei_user_answer entry
     if (isset($_POST['sensei_manual_grade']) && isset($_GET['quiz_id'])) {
         //			error_log( __CLASS__ . ':' . __FUNCTION__ . ':' . print_r($_POST, true));
         $quiz_id = $_GET['quiz_id'];
         $user_id = $_GET['user'];
         $verify_nonce = wp_verify_nonce($_POST['_wp_sensei_manual_grading_nonce'], 'sensei_manual_grading');
         if ($verify_nonce && $quiz_id == $_POST['sensei_manual_grade']) {
             $questions = WooThemes_Sensei_Utils::sensei_get_quiz_questions($quiz_id);
             $quiz_grade = 0;
             $count = 0;
             $quiz_grade_total = $_POST['quiz_grade_total'];
             foreach ($questions as $question) {
                 ++$count;
                 $question_id = $question->ID;
                 if (isset($_POST['question_' . $question_id])) {
                     $correct = false;
                     $question_grade = 0;
                     $question_total_grade = $_POST['question_total_grade'];
                     if ($_POST['question_' . $question_id] == 'right') {
                         $correct = true;
                         $question_grade = $_POST['question_' . $question_id . '_grade'];
                     }
                     $activity_logged = WooThemes_Sensei_Utils::sensei_grade_question($question_id, $question_grade, $user_id);
                     $quiz_grade += $question_grade;
                 } else {
                     WooThemes_Sensei_Utils::sensei_delete_question_grade($question_id);
                 }
                 // WP slashes all incoming data regardless of Magic Quotes setting (see wp_magic_quotes()), but
                 // as an answer note is not direct post_content it won't have slashes removed, so we need to do it
                 $answer_notes = wp_unslash($_POST['question_' . $question_id . '_notes']);
                 if (!$answer_notes || $answer_notes == '') {
                     $answer_notes = '';
                 }
                 WooThemes_Sensei_Utils::sensei_add_answer_notes($question_id, $user_id, $answer_notes);
             }
             if ($_POST['all_questions_graded'] == 'yes') {
                 $grade = abs(round(doubleval($quiz_grade) * 100 / $quiz_grade_total, 2));
                 $activity_logged = WooThemes_Sensei_Utils::sensei_grade_quiz($quiz_id, $grade, $user_id);
                 // Duplicating what Frontend->sensei_complete_quiz() does
                 $quiz_lesson_id = absint(get_post_meta($quiz_id, '_quiz_lesson', true));
                 $pass_required = get_post_meta($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'] = $grade;
                 // Technically already set as part of "WooThemes_Sensei_Utils::sensei_grade_quiz()" above
                 WooThemes_Sensei_Utils::update_lesson_status($user_id, $quiz_lesson_id, $lesson_status, $lesson_metadata);
                 switch ($lesson_status) {
                     case 'passed':
                     case 'graded':
                         do_action('sensei_user_lesson_end', $user_id, $quiz_lesson_id);
                         break;
                 }
             }
             if (isset($_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 {
                 $load_url = add_query_arg(array('message' => 'graded'));
             }
             wp_safe_redirect($load_url);
             exit;
         }
     }
 }

 /**
  * Grade question automatically
  * @param  integer $question_id ID of question
  * @param  string  $answer      User's answer
  * @return integer              User's grade for question
  */
 public static function sensei_grade_question_auto($question_id = 0, $question_type = '', $answer = '', $user_id = 0)
 {
     if (intval($user_id) == 0) {
         $user_id = get_current_user_id();
     }
     $question_grade = false;
     if (intval($question_id) > 0) {
         if (empty($question_type)) {
             $question_type = get_the_terms($question_id, 'question-type');
             // Set default question type if one does not exist - prevents errors when grading
             if (!$question_type || is_wp_error($question_type) || !is_array($question_type)) {
                 $question_type = 'multiple-choice';
             } else {
                 $question_type = array_shift($question_type)->slug;
             }
         }
         // Allow full override of autograding
         $question_grade = apply_filters('sensei_pre_grade_question_auto', $question_grade, $question_id, $question_type, $answer);
         if (false === $question_grade) {
             switch ($question_type) {
                 case 'multiple-choice':
                 case 'boolean':
                     $right_answer = (array) get_post_meta($question_id, '_question_right_answer', true);
                     if (0 == get_magic_quotes_gpc()) {
                         $answer = wp_unslash($answer);
                     }
                     $answer = (array) $answer;
                     if (is_array($right_answer) && count($right_answer) == count($answer)) {
                         // Loop through all answers ensure none are 'missing'
                         $all_correct = true;
                         foreach ($answer as $check_answer) {
                             if (!in_array($check_answer, $right_answer)) {
                                 $all_correct = false;
                             }
                         }
                         // If all correct then grade
                         if ($all_correct) {
                             $question_grade = get_post_meta($question_id, '_question_grade', true);
                             if (!$question_grade || $question_grade == '') {
                                 $question_grade = 1;
                             }
                         }
                     }
                     break;
                 case 'gap-fill':
                     $right_answer = get_post_meta($question_id, '_question_right_answer', true);
                     if (0 == get_magic_quotes_gpc()) {
                         $answer = wp_unslash($answer);
                     }
                     $gapfill_array = explode('||', $right_answer);
                     // Check that the 'gap' is "exactly" equal to the given answer
                     if (trim(strtolower($gapfill_array[1])) == trim(strtolower($answer))) {
                         $question_grade = get_post_meta($question_id, '_question_grade', true);
                         if (empty($question_grade)) {
                             $question_grade = 1;
                         }
                     } else {
                         if (@preg_match('/' . $gapfill_array[1] . '/i', null) !== FALSE) {
                             if (preg_match('/' . $gapfill_array[1] . '/i', $answer)) {
                                 $question_grade = get_post_meta($question_id, '_question_grade', true);
                                 if (empty($question_grade)) {
                                     $question_grade = 1;
                                 }
                             }
                         }
                     }
                     break;
                 default:
                     // Allow autograding of any other question type
                     $question_grade = apply_filters('sensei_grade_question_auto', $question_grade, $question_id, $question_type, $answer);
                     break;
             }
             // switch question_type
         }
         $activity_logged = WooThemes_Sensei_Utils::sensei_grade_question($question_id, $question_grade, $user_id);
     }
     return $question_grade;
 }