Files
moodle/mod/forum/export.php
T
Simey Lameze 1de4baf1f1 MDL-66075 core: various fixes & code polishing
* Removes unnecessary comment in search_users() WS.
* Replaces DB call by get_course() in search_users() WS.
* Fix discussionids handling on export.php.
* Coding style fix in test_search_users unit test.
* Add missing version bump.
* phpDOc fixes in post vault.
* Fix in the dataformat callback to handle different data types.
2019-09-23 13:07:30 +08:00

126 lines
4.5 KiB
PHP

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* Page to export forum discussions.
*
* @package mod_forum
* @copyright 2019 Simey Lameze <simey@moodle.com>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('NO_OUTPUT_BUFFERING', true);
require_once(__DIR__ . '/../../config.php');
require_once($CFG->libdir . '/adminlib.php');
require_once($CFG->libdir . '/dataformatlib.php');
$forumid = required_param('id', PARAM_INT);
$vaultfactory = mod_forum\local\container::get_vault_factory();
$managerfactory = mod_forum\local\container::get_manager_factory();
$legacydatamapperfactory = mod_forum\local\container::get_legacy_data_mapper_factory();
$forumvault = $vaultfactory->get_forum_vault();
$forum = $forumvault->get_from_id($forumid);
if (empty($forum)) {
throw new moodle_exception('Unable to find forum with id ' . $forumid);
}
$capabilitymanager = $managerfactory->get_capability_manager($forum);
if (!$capabilitymanager->can_export_forum($USER)) {
throw new moodle_exception('cannotexportforum', 'forum');
}
$course = $forum->get_course_record();
$coursemodule = $forum->get_course_module_record();
$cm = cm_info::create($coursemodule);
require_course_login($course, true, $cm);
$url = new moodle_url('/mod/forum/export.php');
$pagetitle = get_string('export', 'mod_forum');
$context = $forum->get_context();
$form = new mod_forum\form\export_form($url->out(false), [
'forum' => $forum
]);
if ($form->is_cancelled()) {
redirect(new moodle_url('/mod/forum/view.php', ['id' => $cm->id]));
} else if ($data = $form->get_data()) {
require_sesskey();
$dataformat = $data->format;
$discussionvault = $vaultfactory->get_discussion_vault();
$postvault = $vaultfactory->get_post_vault();
$discussionids = [];
if ($data->discussionids) {
$discussionids = $data->discussionids;
} else {
$discussions = $discussionvault->get_all_discussions_in_forum($forum);
$discussionids = array_map(function ($discussion) {
return $discussion->get_id();
}, $discussions);
}
if ($data->userids) {
$posts = $postvault->get_from_discussion_ids_and_user_ids($USER,
$discussionids,
$data->userids,
$capabilitymanager->can_view_any_private_reply($USER));
} else {
$posts = $postvault->get_from_discussion_ids($USER,
$discussionids,
$capabilitymanager->can_view_any_private_reply($USER));
}
$fields = ['id', 'discussion', 'parent', 'userid', 'created', 'modified', 'mailed', 'subject', 'message',
'messageformat', 'messagetrust', 'attachment', 'totalscore', 'mailnow', 'deleted', 'privatereplyto'];
$datamapper = $legacydatamapperfactory->get_post_data_mapper();
$exportdata = new ArrayObject($datamapper->to_legacy_objects($posts));
$iterator = $exportdata->getIterator();
require_once($CFG->libdir . '/dataformatlib.php');
$filename = clean_filename('discussion');
download_as_dataformat($filename, $dataformat, $fields, $iterator, function($exportdata) use ($fields) {
$data = $exportdata;
foreach ($fields as $field) {
// Convert any boolean fields to their integer equivalent for output.
if (is_bool($data->$field)) {
$data->$field = (int) $data->$field;
}
}
return $data;
});
die;
}
$PAGE->set_context($context);
$PAGE->set_url($url);
$PAGE->set_title($pagetitle);
$PAGE->set_pagelayout('admin');
$PAGE->set_heading($pagetitle);
echo $OUTPUT->header();
echo $OUTPUT->heading($pagetitle);
$form->display();
echo $OUTPUT->footer();