/** * Check if user is an author * @access public * @param $course_id: optional. * if > 0, check whether the user is the author of the course with $course_id * else if = 0 or is not given, check whether the user has author privilege * @return true : if is an author * false : if not an author * @author Cindy Qi Li */ public function isAuthor($course_id = 0) { if ($course_id == 0) { $row = $this->userDAO->getUserByID($this->userID); return $row['is_author']; } else { include_once TR_INCLUDE_PATH . 'classes/DAO/CoursesDAO.class.php'; $coursesDAO = new CoursesDAO(); $course_row = $coursesDAO->get($course_id); return $course_row['user_id'] == $this->userID; } }
$use_a4a = false; if (isset($_REQUEST['to_a4a'])) { $use_a4a = true; } // require_once(TR_INCLUDE_PATH.'vitals.inc.php'); // $course_id = $_SESSION['course_id']; } } //load the following after vitals is included require_once TR_INCLUDE_PATH . 'classes/testQuestions.class.php'; require_once TR_INCLUDE_PATH . 'classes/A4a/A4aExport.class.php'; require_once TR_INCLUDE_PATH . 'classes/Weblinks/Weblinks.class.php'; require_once TR_INCLUDE_PATH . 'classes/Weblinks/WeblinksExport.class.php'; $use_cc = true; $coursesDAO = new CoursesDAO(); $course_row = $coursesDAO->get($course_id); $contentManager = new ContentManager($course_id); $instructor_id = $course_row['user_id']; $course_desc = htmlspecialchars($course_row['description'], ENT_QUOTES, 'UTF-8'); $course_title = htmlspecialchars($course_row['title'], ENT_QUOTES, 'UTF-8'); $course_language = $course_row['primary_language']; $courseLanguage =& $languageManager->getLanguage($course_language); //If course language cannot be found, use UTF-8 English //@author harris, Oct 30,2008 if (!isset($courseLanguage) || $courseLanguage == null) { $courseLanguage =& $languageManager->getLanguage(DEFAULT_LANGUAGE_CODE); } $course_language_charset = $courseLanguage->getCharacterSet(); $course_language_code = $courseLanguage->getCode(); require_once TR_INCLUDE_PATH . 'classes/zipfile.class.php'; /* for zipfile */
} /* extract the entire archive into TR_COURSE_CONTENT . import/$course using the call back function to filter out php files */ error_reporting(0); $archive = new PclZip($_FILES['file']['tmp_name']); if ($archive->extract(PCLZIP_OPT_PATH, $import_path, PCLZIP_CB_PRE_EXTRACT, 'preImportCallBack') == 0) { $msg->addError('IMPORT_FAILED'); echo 'Error : ' . $archive->errorInfo(true); FileUtility::clr_dir($import_path); header('Location: question_db.php?_course_id=' . $_course_id); exit; } error_reporting(TR_ERROR_REPORTING); } /* get the course's max_quota */ $coursesDAO = new CoursesDAO(); $q_row = $coursesDAO->get($_course_id); if ($q_row['max_quota'] != TR_COURSESIZE_UNLIMITED) { $zip_size_limit = $MaxCourseSize; $totalBytes = FileUtility::dirsize($import_path); $total_after = $zip_size_limit - $totalBytes; if (is_dir(TR_CONTENT_DIR . $_course_id . '/')) { $course_total = FileUtility::dirsize(TR_CONTENT_DIR . $_course_id . '/'); $total_after -= $course_total; } if ($total_after < 0) { /* remove the content dir, since there's no space for it */ $errors = array('NO_CONTENT_SPACE', number_format(-1 * ($total_after / TR_KBYTE_SIZE), 2)); $msg->addError($errors); // Clean up import path and inserted course row FileUtility::clr_dir($import_path); header('Location: index.php?_course_id=' . $_course_id);
$access = 'public'; } if ($_course_id > 0) { // update an existing course $coursesDAO->UpdateField($_course_id, 'title', $_POST['title']); $coursesDAO->UpdateField($_course_id, 'category_id', $_POST['category_id']); $coursesDAO->UpdateField($_course_id, 'primary_language', $_POST['pri_lang']); $coursesDAO->UpdateField($_course_id, 'description', $_POST['description']); $coursesDAO->UpdateField($_course_id, 'copyright', $_POST['copyright']); $coursesDAO->UpdateField($_course_id, 'access', $access); $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY'); } else { // create a new course if ($course_id = $coursesDAO->Create($_SESSION['user_id'], 'top', $access, $_POST['title'], $_POST['description'], null, null, null, $_POST['copyright'], $_POST['pri_lang'], null, null)) { $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY'); header('Location: ' . TR_BASE_HREF . 'home/course/index.php?_course_id=' . $course_id); exit; } } } } // display if ($_course_id > 0) { $savant->assign('course_id', $_course_id); $savant->assign('course_row', $coursesDAO->get($_course_id)); } global $onload; $onload = "document.form.title.focus();"; require TR_INCLUDE_PATH . 'header.inc.php'; $savant->display('home/course/course_property.tmpl.php'); require TR_INCLUDE_PATH . 'footer.inc.php';
/** * Export test * @param int test id * @param string the test title * @param ref [OPTIONAL] zip object reference * @param array [OPTIONAL] list of already added files. */ function test_qti_export($tid, $test_title = '', $zipfile = null) { global $_course_id; require_once TR_INCLUDE_PATH . 'classes/DAO/CoursesDAO.class.php'; require_once TR_INCLUDE_PATH . 'classes/DAO/TestsDAO.class.php'; require_once TR_INCLUDE_PATH . 'classes/DAO/TestsQuestionsAssocDAO.class.php'; require_once TR_INCLUDE_PATH . 'classes/zipfile.class.php'; // for zipfile require_once TR_INCLUDE_PATH . 'classes/XML/XML_HTMLSax/XML_HTMLSax.php'; // for XML_HTMLSax require_once TR_INCLUDE_PATH . 'lib/html_resource_parser.inc.php'; // for get_html_resources() global $savant, $db, $languageManager, $test_zipped_files, $test_files, $use_cc; global $course_id; $coursesDAO = new CoursesDAO(); $course_row = $coursesDAO->get($_course_id); $course_language = $course_row['primary_language']; $courseLanguage =& $languageManager->getLanguage($course_language); $course_language_charset = $courseLanguage->getCharacterSet(); $imported_files; $zipflag = false; if ($zipfile == null) { $zipflag = true; } if ($test_zipped_files == null) { $test_zipped_files = array(); } if ($zipflag) { $zipfile = new zipfile(); $zipfile->create_dir('resources/'); // for all the dependency files } $resources = array(); $dependencies = array(); // don't want to sort it, i want the same order out. // asort($question_ids); //TODO: Merge the following 2 sqls together. //Randomized or not, export all the questions that are associated with it. // $sql = "SELECT TQ.question_id, TQA.weight FROM ".TABLE_PREFIX."tests_questions TQ INNER JOIN ".TABLE_PREFIX."tests_questions_assoc TQA USING (question_id) WHERE TQ.course_id=$_SESSION[course_id] AND TQA.test_id=$tid ORDER BY TQA.ordering, TQA.question_id"; // $result = mysql_query($sql, $db); // $question_ids = array(); // // if (is_array($question_rows)){ // foreach ($question_rows as $question_row) $question_ids[] = $question_row['question_id']; // } // // //No questions in the test // if (sizeof($question_ids)==0){ // return; // } // // $question_ids_delim = implode(',',$question_ids); // // //$sql = "SELECT * FROM ".TABLE_PREFIX."tests_questions WHERE course_id=$_SESSION[course_id] AND question_id IN($question_ids_delim)"; // $sql = "SELECT TQ.*, TQA.weight, TQA.test_id FROM ".TABLE_PREFIX."tests_questions TQ INNER JOIN ".TABLE_PREFIX."tests_questions_assoc TQA USING (question_id) WHERE TQA.test_id=$tid AND TQ.question_id IN($question_ids_delim) ORDER BY TQA.ordering, TQA.question_id"; // // $result = mysql_query($sql, $db); // while ($row = mysql_fetch_assoc($result)) { $testsQuestionsAssocDAO = new TestsQuestionsAssocDAO(); $question_rows = $testsQuestionsAssocDAO->getByTestID($tid); if (!is_array($question_rows)) { return false; } else { foreach ($question_rows as $row) { $obj = TestQuestions::getQuestion($row['type']); $local_xml = ''; $local_xml = $obj->exportQTI($row, $course_language_charset, '1.2.1'); $local_dependencies = array(); $text_blob = implode(' ', $row); $local_dependencies = get_html_resources($text_blob); $dependencies = array_merge($dependencies, $local_dependencies); $xml = $xml . "\n\n" . $local_xml; } } //files that are found inside the test; used by print_organization(), to add all test files into QTI/ folder. $test_files = $dependencies; $resources[] = array('href' => 'tests_' . $tid . '.xml', 'dependencies' => array_keys($dependencies)); $xml = trim($xml); //get test title // $sql = "SELECT title FROM ".TABLE_PREFIX."tests WHERE test_id = $tid"; // $result = mysql_query($sql, $db); // $row = mysql_fetch_array($result); $testsDAO = new TestsDAO(); $row = $testsDAO->get($tid); //TODO: wrap around xml now $savant->assign('xml_content', $xml); $savant->assign('title', htmlspecialchars($row['title'], ENT_QUOTES, 'UTF-8')); $savant->assign('num_takes', $row['num_takes']); $savant->assign('use_cc', $use_cc); $xml = $savant->fetch('tests/test_questions/wrapper.tmpl.php'); $xml_filename = 'tests_' . $tid . '.xml'; if (!$use_cc) { $zipfile->add_file($xml, $xml_filename); } else { $zipfile->add_file($xml, 'QTI/' . $xml_filename); } // add any dependency files: if (!$use_cc) { foreach ($dependencies as $resource => $resource_server_path) { //add this file in if it's not already in the zip package if (!in_array($resource_server_path, $test_zipped_files)) { $zipfile->add_file(@file_get_contents($resource_server_path), 'resources/' . $resource, filemtime($resource_server_path)); $test_zipped_files[] = $resource_server_path; } } } if ($zipflag) { // construct the manifest xml $savant->assign('resources', $resources); $savant->assign('dependencies', array_keys($dependencies)); $savant->assign('encoding', $course_language_charset); $savant->assign('title', $test_title); $savant->assign('xml_filename', $xml_filename); $manifest_xml = $savant->fetch('tests/test_questions/manifest_qti_1p2.tmpl.php'); $zipfile->add_file($manifest_xml, 'imsmanifest.xml'); $zipfile->close(); $filename = str_replace(array(' ', ':'), '_', $course_row['title'] . '-' . $test_title . '-' . date('Ymd')); $zipfile->send_file($filename); exit; } $return_array[$xml_filename] = array_keys($dependencies); return $return_array; //done }
/************************************************************************/ /* Copyright (c) 2010 */ /* Inclusive Design Institute */ /* */ /* This program is free software. You can redistribute it and/or */ /* modify it under the terms of the GNU General Public License */ /* as published by the Free Software Foundation. */ /************************************************************************/ define('TR_INCLUDE_PATH', '../../include/'); require TR_INCLUDE_PATH . 'vitals.inc.php'; require_once TR_INCLUDE_PATH . 'classes/DAO/CoursesDAO.class.php'; require_once TR_INCLUDE_PATH . 'classes/Utility.class.php'; global $_course_id; Utility::authenticate(TR_PRIV_ISAUTHOR_OF_CURRENT_COURSE); $coursesDAO = new CoursesDAO(); $course_info = $coursesDAO->get($_course_id); if (isset($_POST['submit_no'])) { $msg->addFeedback('CANCELLED'); header('Location: ' . TR_BASE_HREF . 'home/course/index.php?_course_id=' . $_course_id); exit; } else { if (isset($_POST['step']) && $_POST['step'] == 2 && isset($_POST['submit_yes'])) { $coursesDAO->Delete($_course_id); $msg->addFeedback('ACTION_COMPLETED_SUCCESSFULLY'); header('Location: ' . TR_BASE_HREF . 'home/index.php'); exit; } } require TR_INCLUDE_PATH . 'header.inc.php'; if (!isset($_POST['step'])) { $hidden_vars['step'] = 1;