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MDL-20523 Script for upgrading sites that use the old bloglevel settings.

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This commit is contained in:
Nicolas Connault
2009-10-30 07:24:55 +00:00
parent cc82aef6fa
commit ec22ccd53a
3 changed files with 165 additions and 4 deletions
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admin/bloglevelupgrade.php
+150
View File
@@ -0,0 +1,150 @@
<?php /// $Id$
/// Create "blog" forums in each course and copy blog entries from these courses' participants in these forums
require_once('../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('bloglevelupgrade');
$PAGE->set_generaltype('maintenance');
$go = optional_param('go', 0, PARAM_BOOL);
admin_externalpage_print_header();
echo $OUTPUT->heading(get_string('bloglevelupgrade', 'admin'));
$strbloglevelupgrade = get_string('bloglevelupgradeinfo', 'admin');
if (!$go or !data_submitted() or !confirm_sesskey()) { /// Print a form
$optionsyes = array('go'=>1, 'sesskey'=>sesskey());
echo $OUTPUT->confirm($strbloglevelupgrade, new moodle_url('bloglevelupgrade.php', $optionsyes), 'index.php');
echo $OUTPUT->footer();
die;
}
echo $OUTPUT->box_start();
/// Turn off time limits, sometimes upgrades can be slow.
@set_time_limit(0);
@ob_implicit_flush(true);
while(@ob_end_flush());
$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('bloglevelupgrade', 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 object();
$a->userscount = 0;
$a->blogcount = 0;
foreach ($bloggers as $blogger) {
$courses = get_my_courses($blogger->userid);
$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', 'admin', $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->intro = $blogentry->summary;
$discussion->assessed = $forum->assessed;
$discussion->messageformat = $forum->introformat;
$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);
// 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 object();
$newfile->filearea = 'forum_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 object();
$newfile->filearea = 'forum_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
set_config('bloglevel_upgrade_complete', 1);
// 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('index.php');
echo $OUTPUT->footer();
die;
admin/cron.php
+12 -3
View File
@@ -548,14 +548,23 @@
// Run external blog cron if needed
if ($CFG->useexternalblogs) {
require_once($CFG->dirroot . '/blog/lib.php');
$sql = "SELECT * FROM {blog_external} WHERE timefetched < ? - ? OR timefetched = 0";
$external_blogs = $DB->get_records_sql($sql, array(mktime(), $CFG->externalblogcrontime));
mtrace("Fetching external blog entries...", '');
$sql = "timefetched < ? - ? OR timefetched = 0";
$externalblogs = $DB->get_records_select('blog_external', $sql, array(mktime(), $CFG->externalblogcrontime));
foreach ($external_blogs as $eb) {
blog_fetch_external_entries($eb);
blog_sync_external_entries($eb);
}
}
// Run blog associations cleanup
if ($CFG->useblogassociations) {
require_once($CFG->dirroot . '/blog/lib.php');
// delete entries whose contextids no longer exists
mtrace("Deleting blog associations linked to non-existent contexts...", '');
$DB->delete_records_select('blog_association', 'contextid NOT IN (SELECT id FROM {context})');
}
// cleanup file trash
$fs = get_file_storage();
$fs->cron();
lang/en_utf8/forum.php
+3 -1
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@@ -30,6 +30,7 @@ $string['attachmentnopost'] = 'You cannot export attachments without a post id';
$string['blockafter'] = 'Post threshold for blocking';
$string['blockperiod'] = 'Time period for blocking';
$string['blockperioddisabled'] = 'Don\'t block';
$string['blogforum'] = 'Standard forum displayed in a blog-like format';
$string['bynameondate'] = 'by $a->name - $a->date';
$string['cannotadd'] = 'Could not add the discussion for this forum';
$string['cannotaddteacherforumto'] = 'Could not add converted teacher forum instance to section 0 in the course';
@@ -164,6 +165,7 @@ $string['forum:viewsubscribers'] = 'View subscribers';
$string['generalforum'] = 'Standard forum for general use';
$string['generalforums'] = 'General forums';
$string['inforum'] = 'in $a';
$string['introblog'] = 'The posts in this forum were copied here automatically from blogs of users in this course because those blog entries are no longer available';
$string['intronews'] = 'General news and announcements';
$string['introsocial'] = 'An open forum for chatting about anything you want to';
$string['introteacher'] = 'A forum for teacher-only notes and discussion';
@@ -359,4 +361,4 @@ $string['youratedthis'] = 'You rated this';
$string['yournewquestion'] = 'Your new question';
$string['yournewtopic'] = 'Your new discussion topic';
$string['yourreply'] = 'Your reply';
?>
?>