| Commit | Line | Data |
|---|---|---|
| 616442a2 TH |
1 | <?php |
| 2 | // This file is part of Stack - http://stack.maths.ed.ac.uk/ | |
| 3 | // | |
| 4 | // Stack is free software: you can redistribute it and/or modify | |
| 5 | // it under the terms of the GNU General Public License as published by | |
| 6 | // the Free Software Foundation, either version 3 of the License, or | |
| 7 | // (at your option) any later version. | |
| 8 | // | |
| 9 | // Stack is distributed in the hope that it will be useful, | |
| 10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | // GNU General Public License for more details. | |
| 13 | // | |
| 14 | // You should have received a copy of the GNU General Public License | |
| 15 | // along with Stack. If not, see <http://www.gnu.org/licenses/>. | |
| 16 | ||
| 17 | /** | |
| 18 | * Script to download the export of a single question. | |
| 19 | * | |
| 20 | * @copyright 2015 the Open University | |
| 21 | * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later | |
| 22 | */ | |
| 23 | ||
| 24 | require_once(__DIR__.'/../config.php'); | |
| 25 | ||
| 26 | require_once($CFG->libdir . '/questionlib.php'); | |
| 27 | require_once($CFG->dirroot . '/question/format/xml/format.php'); | |
| 28 | ||
| 29 | // Get the parameters from the URL. | |
| 30 | $questionid = required_param('id', PARAM_INT); | |
| 31 | $cmid = optional_param('cmid', 0, PARAM_INT); | |
| 32 | $courseid = optional_param('courseid', 0, PARAM_INT); | |
| 33 | $urlparams = ['id' => $questionid, 'sesskey' => sesskey()]; | |
| 34 | ||
| 35 | if ($cmid) { | |
| 36 | $cm = get_coursemodule_from_id(null, $cmid); | |
| 37 | require_login($cm->course, false, $cm); | |
| 38 | $thiscontext = context_module::instance($cmid); | |
| 39 | $urlparams['cmid'] = $cmid; | |
| 40 | } else if ($courseid) { | |
| 41 | require_login($courseid, false); | |
| 42 | $thiscontext = context_course::instance($courseid); | |
| 43 | $urlparams['courseid'] = $courseid; | |
| 44 | } else { | |
| 45 | print_error('missingcourseorcmid', 'question'); | |
| 46 | } | |
| 47 | require_sesskey(); | |
| 48 | ||
| 49 | // Load the necessary data. | |
| 50 | $contexts = new question_edit_contexts($thiscontext); | |
| 51 | $questiondata = question_bank::load_question_data($questionid); | |
| 52 | ||
| 53 | // Check permissions. | |
| 54 | question_require_capability_on($questiondata, 'view'); | |
| 55 | ||
| 56 | // Initialise $PAGE. Nothing is output, so this does not really matter. Just avoids notices. | |
| 57 | $nexturl = new moodle_url('/question/type/stack/questiontestrun.php', $urlparams); | |
| 58 | $PAGE->set_url('/question/exportone.php', $urlparams); | |
| 59 | $PAGE->set_heading($COURSE->fullname); | |
| 60 | $PAGE->set_pagelayout('admin'); | |
| 61 | ||
| 62 | // Set up the export format. | |
| 63 | $qformat = new qformat_xml(); | |
| 64 | $filename = question_default_export_filename($COURSE, $questiondata) . | |
| 65 | $qformat->export_file_extension(); | |
| 66 | $qformat->setContexts($contexts->having_one_edit_tab_cap('export')); | |
| 67 | $qformat->setCourse($COURSE); | |
| 68 | $qformat->setQuestions([$questiondata]); | |
| 69 | $qformat->setCattofile(false); | |
| 70 | $qformat->setContexttofile(false); | |
| 71 | ||
| 72 | // Do the export. | |
| 73 | if (!$qformat->exportpreprocess()) { | |
| 74 | send_file_not_found(); | |
| 75 | } | |
| 76 | if (!$content = $qformat->exportprocess(true)) { | |
| 77 | send_file_not_found(); | |
| 78 | } | |
| 79 | send_file($content, $filename, 0, 0, true, true, $qformat->mime_type()); |
