/** * 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 }