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<?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/>.
/**
* Create "blog" forums in each course and copy blog entries from these courses' participants in these forums
*
* @package tool
* @subpackage bloglevelupgrade
* @copyright 2009 Nicolas Connault
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
define('NO_OUTPUT_BUFFERING', true);
require('../../../config.php');
require_once($CFG->dirroot.'/course/lib.php');
require_once($CFG->dirroot.'/blog/lib.php');
require_once($CFG->dirroot.'/mod/forum/lib.php');
require_once($CFG->libdir.'/adminlib.php');
admin_externalpage_setup('toolbloglevelupgrade');
$PAGE->set_pagelayout('maintenance');
$go = optional_param('go', 0, PARAM_BOOL);
echo $OUTPUT->header();
echo $OUTPUT->heading(get_string('pluginname', 'tool_bloglevelupgrade'));
$strbloglevelupgrade = get_string('bloglevelupgradeinfo', 'tool_bloglevelupgrade');
if (!$go or !data_submitted() or !confirm_sesskey()) { /// Print a form
$optionsyes = array('go'=>1, 'sesskey'=>sesskey());
echo $OUTPUT->confirm($strbloglevelupgrade, new moodle_url('/admin/tool/bloglevelupgrade/index.php', $optionsyes), new moodle_url('/admin/index.php'));
echo $OUTPUT->footer();
die;
}
echo $OUTPUT->box_start();
/// Turn off time limits, sometimes upgrades can be slow.
set_time_limit(0);
$i = 0;
// If $CFG->bloglevel is set to BLOG_GROUP_LEVEL or BLOG_COURSE_LEVEL, create a new "blog" forum in each course
// whose enrolled students have written blog entries, copy these entries in that forum and switch off blogs at site level
if ($CFG->bloglevel == BLOG_COURSE_LEVEL || $CFG->bloglevel == BLOG_GROUP_LEVEL) {
$pbar = new progress_bar('toolbloglevelupgrade', 500, true);
$bloggers = $DB->get_records_sql("SELECT userid FROM {post} WHERE module = 'blog' GROUP BY userid");
require_once($CFG->dirroot.'/mod/forum/lib.php');
$a = new stdClass();
$a->userscount = 0;
$a->blogcount = 0;
foreach ($bloggers as $blogger) {
$courses = enrol_get_users_courses($blogger->userid, true, 'groupmode,groupmodeforce');
$blogentries = $DB->get_records('post', array('module' => 'blog', 'userid' => $blogger->userid));
foreach ($courses as $course) {
$forum = forum_get_course_forum($course->id, 'blog');
$cm = get_coursemodule_from_instance('forum', $forum->id);
if ($CFG->bloglevel == BLOG_GROUP_LEVEL && $course->groupmode != NOGROUPS) {
// Unless the course is set to separate groups forced, force the forum to Separate groups
if (!($course->groupmode == SEPARATEGROUPS && $course->groupmodeforce)) {
$cm->groupmode = SEPARATEGROUPS;
$DB->update_record('course_modules', $cm);
}
$groups = groups_get_user_groups($course->id, $blogger->userid);
foreach ($groups[0] as $groupid) { // [0] is for all groupings combined
$a->blogcount += bloglevelupgrade_entries($blogentries, $forum, $cm, $groupid);
}
} else {
$a->blogcount += bloglevelupgrade_entries($blogentries, $forum, $cm);
}
}
$a->userscount = $i . '/' . count($bloggers);
$pbar->update($i, count($bloggers), get_string('bloglevelupgradeprogress', 'tool_bloglevelupgrade', $a));
$i++;
}
}
function bloglevelupgrade_entries($blogentries, $forum, $cm, $groupid=-1) {
$count = 0;
$forumcontext = get_context_instance(CONTEXT_MODULE, $cm->id);
$sitecontext = get_context_instance(CONTEXT_SYSTEM);
foreach ($blogentries as $blogentry) {
$discussion = new stdClass();
$discussion->course = $forum->course;
$discussion->forum = $forum->id;
$discussion->name = $blogentry->subject;
$discussion->assessed = $forum->assessed;
$discussion->message = $blogentry->summary;
$discussion->messageformat = $blogentry->summaryformat;
$discussion->messagetrust = 0;
$discussion->attachments = 0;
$discussion->mailnow = false;
$discussion->timemodified = $blogentry->created;
$discussion->itemid = null;
$discussion->groupid = $groupid;
$message = '';
$discussionid = forum_add_discussion($discussion, null, $message, $blogentry->userid);
// Copy file attachment records
$fs = get_file_storage();
$files = $fs->get_area_files($sitecontext->id, 'blog', 'attachment', $blogentry->id);
if (!empty($files)) {
foreach ($files as $storedfile) {
$newfile = new stdClass();
$newfile->component = 'mod_forum';
$newfile->filearea = 'attachment';
$newfile->itemid = $discussion->firstpost;
$newfile->contextid = $forumcontext->id;
$fs->create_file_from_storedfile($newfile, $storedfile->get_id());
}
}
$files = $fs->get_area_files($sitecontext->id, 'blog', 'post', $blogentry->id);
if (!empty($files)) {
foreach ($files as $storedfile) {
$newfile = new stdClass();
$newfile->component = 'mod_forum';
$newfile->filearea = 'post';
$newfile->itemid = $discussion->firstpost;
$newfile->contextid = $forumcontext->id;
$fs->create_file_from_storedfile($newfile, $storedfile->get_id());
}
}
$count++;
}
return $count;
}
// END OF LOOP
// set conversion flag - switches to new plugin automatically
unset_config('tool_bloglevelupgrade_pending');
// Finally switch bloglevel to 0 (disabled)
set_config('bloglevel', 0);
echo $OUTPUT->box_end();
/// Rebuild course cache which might be incorrect now
echo $OUTPUT->notification('Rebuilding course cache...', 'notifysuccess');
rebuild_course_cache();
echo $OUTPUT->notification('...finished', 'notifysuccess');
echo $OUTPUT->continue_button(new moodle_url('/admin/index.php'));
echo $OUTPUT->footer();
die;
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