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MDL-16285 MDL-16286 Cleanup and document delete function in mnet/peer

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Author: Peter Bulmer <[email protected]>
This commit is contained in:
peterbulmer
2008-09-01 03:32:52 +00:00
parent 31640be23a
commit fcb54be4c3
1 changed files with 24 additions and 14 deletions
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mnet/peer.php
+24 -14
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@@ -98,32 +98,42 @@ class mnet_peer {
}
}
/*
* Process request to delete mnet peer
* This includes deleting current sessions, and rpc2host records.
* If the peer has been actively used, we mark the peer as deleted,
* otherwise it is actually deleted
* @return bool - success
*/
function delete() {
global $DB;
$markasdeleted = false;
if ($this->deleted) return true;
$users = $DB->count_records('user', array('mnethostid'=>$this->id));
if ($users > 0) {
$this->deleted = 1;
if ($this->deleted) {
return true;
}
$actions = $DB->count_records('mnet_log', array('hostid'=>$this->id));
if ($actions > 0) {
$this->deleted = 1;
// If users have sso'd from this mnet peer, need to retain the peer info
$numusers = $DB->count_records('user', array('mnethostid'=>$this->id));
if ($numusers > 0) {
$markasdeleted = true;
}
//If there are items in the log, need to retain peer info
$numactions = $DB->count_records('mnet_log', array('hostid'=>$this->id));
if ($numactions > 0) {
$markasdeleted = true;
}
$obj = $DB->delete_records('mnet_rpc2host', array('host_id'=>$this->id));
$this->delete_all_sessions();
// If we don't have any activity records for which the mnet_host table
// provides a foreign key, then we can delete the record. Otherwise, we
// just mark it as deleted.
if (0 == $this->deleted) {
$DB->delete_records('mnet_host', array("id"=>$this->id));
if ($markasdeleted) {
$this->deleted = 1;
return $this->commit();
} else {
$this->commit();
return $DB->delete_records('mnet_host', array("id"=>$this->id));
}
}