moodle/mod/forum/db/upgrade.php
2008-07-28 17:27:33 +00:00

125 lines
4.4 KiB
PHP

<?php //$Id$
// This file keeps track of upgrades to
// the forum module
//
// Sometimes, changes between versions involve
// alterations to database structures and other
// major things that may break installations.
//
// The upgrade function in this file will attempt
// to perform all the necessary actions to upgrade
// your older installtion to the current version.
//
// If there's something it cannot do itself, it
// will tell you what you need to do.
//
// The commands in here will all be database-neutral,
// using the methods of database_manager class
function xmldb_forum_upgrade($oldversion=0) {
global $CFG, $THEME, $DB;
$dbman = $DB->get_manager(); // loads ddl manager and xmldb classes
$result = true;
/// And upgrade begins here. For each one, you'll need one
/// block of code similar to the next one. Please, delete
/// this comment lines once this file start handling proper
/// upgrade code.
/// if ($result && $oldversion < YYYYMMDD00) { //New version in version.php
/// $result = result of database_manager methods
/// }
//===== 1.9.0 upgrade line ======//
if ($result and $oldversion < 2007101511) {
notify('Processing forum grades, this may take a while if there are many forums...', 'notifysuccess');
//MDL-13866 - send forum ratins to gradebook again
require_once($CFG->dirroot.'/mod/forum/lib.php');
// too much debug output
$DB->set_debug(false);
forum_update_grades();
$DB->set_debug(true);
upgrade_mod_savepoint($result, 2007101511, 'forum');
}
if ($result && $oldversion < 2007101512) {
/// Cleanup the forum subscriptions
notify('Removing stale forum subscriptions', 'notifysuccess');
$roles = get_roles_with_capability('moodle/course:view', CAP_ALLOW);
$roles = array_keys($roles);
list($usql, $params) = $DB->get_in_or_equal($roles);
$sql = "SELECT fs.userid, f.id AS forumid
FROM {forum} f
JOIN {course} c ON c.id = f.course
JOIN {context} ctx ON (ctx.instanceid = c.id AND ctx.contextlevel = ".CONTEXT_COURSE.")
JOIN {forum_subscriptions} fs ON fs.forum = f.id
LEFT JOIN {role_assignments} ra ON (ra.contextid = ctx.id AND ra.userid = fs.userid AND ra.roleid $usql)
WHERE ra.id IS NULL";
if ($rs = $DB->get_recordset_sql($sql, $params)) {
$DB->set_debug(false);
foreach ($rs as $remove) {
$DB->delete_records('forum_subscriptions', array('userid'=>$remove->userid, 'forum'=>$remove->forumid));
echo '.';
}
$DB->set_debug(true);
$rs->close();
}
upgrade_mod_savepoint($result, 2007101512, 'forum');
}
if ($result and $oldversion < 2008072401) {
$eventdata = new object();
$eventdata->modulename = 'forum';
$eventdata->modulefile = 'mod/forum/index.php';
events_trigger('message_provider_register', $eventdata);
upgrade_mod_savepoint($result, 2008072401, 'forum');
}
if ($result && $oldversion < 2008072800) {
/// Define field completiondiscussions to be added to forum
$table = new xmldb_table('forum');
$field = new xmldb_field('completiondiscussions');
$field->set_attributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'blockperiod');
/// Launch add field completiondiscussions
if(!$dbman->field_exists($table,$field)) {
$dbman->add_field($table, $field);
}
$field = new xmldb_field('completionreplies');
$field->set_attributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'completiondiscussions');
/// Launch add field completionreplies
if(!$dbman->field_exists($table,$field)) {
$dbman->add_field($table, $field);
}
/// Define field completionposts to be added to forum
$field = new xmldb_field('completionposts');
$field->set_attributes(XMLDB_TYPE_INTEGER, '9', XMLDB_UNSIGNED, XMLDB_NOTNULL, null, null, null, '0', 'completionreplies');
/// Launch add field completionposts
if(!$dbman->field_exists($table,$field)) {
$dbman->add_field($table, $field);
}
upgrade_mod_savepoint($result, 2008072800, 'forum');
}
return $result;
}
?>