/** * 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; }
/** * build_data_array builds the data for use on the page * Overloads the parent method * @since 1.3.0 * @return array */ public function build_data_array() { $data_array = Sensei_Utils::sensei_get_quiz_questions($this->quiz_id); return $data_array; }
public static function sensei_delete_quiz_answers($quiz_id = 0, $user_id = 0) { if (intval($user_id) == 0) { $user_id = get_current_user_id(); } $delete_answers = false; if (intval($quiz_id) > 0) { $questions = Sensei_Utils::sensei_get_quiz_questions($quiz_id); foreach ($questions as $question) { $delete_answers = Sensei_Utils::sensei_delete_activities(array('post_id' => $question->ID, 'user_id' => $user_id, 'type' => 'sensei_user_answer')); } } return $delete_answers; }
/** * Update question answers to use new data structure * * @since 1.3.0 * @access public * @return boolean */ public function update_question_answer_data($n = 50, $offset = 0) { // Get Total Number of Updates to run $quiz_count_object = wp_count_posts('quiz'); $quiz_count_published = $quiz_count_object->publish; // Calculate if this is the last page if (0 == $offset) { $current_page = 1; } else { $current_page = intval($offset / $n); } // End If Statement $total_pages = intval($quiz_count_published / $n); $args = array('post_type' => 'quiz', 'posts_per_page' => $n, 'offset' => $offset, 'post_status' => 'publish', 'suppress_filters' => 0); $quizzes = get_posts($args); $old_answers = array(); $right_answers = array(); $old_user_answers = array(); if (is_array($quizzes)) { foreach ($quizzes as $quiz) { $quiz_id = $quiz->ID; // Get current user answers $comments = Sensei_Utils::sensei_check_for_activity(array('post_id' => $quiz_id, 'type' => 'sensei_quiz_answers'), true); // Need to always return an array, even with only 1 item if (!is_array($comments)) { $comments = array($comments); } foreach ($comments as $comment) { $user_id = $comment->user_id; $content = maybe_unserialize(base64_decode($comment->comment_content)); $old_user_answers[$quiz_id][$user_id] = $content; } // Get correct answers $questions = Sensei_Utils::sensei_get_quiz_questions($quiz_id); if (is_array($questions)) { foreach ($questions as $question) { $right_answer = get_post_meta($question->ID, '_question_right_answer', true); $right_answers[$quiz_id][$question->ID] = $right_answer; } } } } if (is_array($right_answers)) { foreach ($right_answers as $quiz_id => $question) { $count = 0; if (is_array($question)) { foreach ($question as $question_id => $answer) { ++$count; if (isset($old_user_answers[$quiz_id])) { $answers_linkup[$quiz_id][$count] = $question_id; } } } } } if (is_array($old_user_answers)) { foreach ($old_user_answers as $quiz_id => $user_answers) { foreach ($user_answers as $user_id => $answers) { foreach ($answers as $answer_id => $user_answer) { $question_id = $answers_linkup[$quiz_id][$answer_id]; $new_user_answers[$question_id] = $user_answer; Sensei_Utils::sensei_grade_question_auto($question_id, '', $user_answer, $user_id); } $lesson_id = get_post_meta($quiz_id, '_quiz_lesson', true); Sensei_Utils::sensei_start_lesson($lesson_id, $user_id); Sensei_Utils::sensei_save_quiz_answers($new_user_answers, $user_id); } } } if ($current_page == $total_pages) { return true; } else { return false; } // End If Statement }