<?php
+
+/**
+ *
+ * Locking theory
+ *
+ *
+ * This page is locked by XXXXXXX..
+ * Do you to prevent them saving and lock it yourself..
+ *
+ *
+ *
+ *
+ *
+ * -- interacts with Roo and _lock = id..
+ *
+ *
+ * call :
+ * try and lock it..
+ * baseURL + /Core/Lock/lock?on_id=...&on_table=...
+ * - returns id or an array of who has the locks.
+ *
+ * Force an unlock after a warning..
+ * baseURL + /Core/Lock/lock?on_id=...&on_table=...&force=1
+ * - returns id..
+ *
+ * Unlock - call when window is closed..
+ * baseURL + /Core/Lock/unlock?on_id=...&on_table=...&force=1
+ * - returns jerr or jok
+ */
+
require_once 'Pman.php';
class Pman_Core_Lock extends Pman
{
$au = $this->getAuthUser();
if (!$au) {
- $this->jerr("Not authenticated", array('authFailure' => true));
+ $this->jerror("LOGIN-NOAUTH", "Not authenticated", array('authFailure' => true));
}
$this->authUser = $au;
// check that it's a supplier!!!!
return true;
}
+ function get($action, $opts=array())
+ {
+ // should we allow url links to lock things???
+ // only for debugging??
+ $this->post($action);
+ //
+ $this->jerr("invalid request");
+ }
+
+ function post($action)
+ {
+
+ // default action is to attempt to lock..
+ $action = empty($action) || $action == 'lock' ? 'lock' : 'unlock';
+ $this->$action();
+
+ }
+
+ function unlock()
+ {
+
+ if (empty($_REQUEST['id'])) {
+ $this->jerr("No lock id");
+ }
+ $curlock = DB_DataObject::factory('core_locking');
+ if (!$curlock->get($_REQUEST['id'])) {
+ $this->jok("No lock exists"); // been deleted before.. probably ok..
+ }
+
+ if ($curlock->person_id != $this->authUser->id && empty($_REQUEST['force'])) {
+ // this is an error conditon..
+ $this->jerr("Lock id is invalid");
+ }
+
+ $curlock->delete();
+
+ $this->jok('unlocked');
+ }
+ function lock()
+ {
+
+ if (empty($_REQUEST['on_id']) || empty($_REQUEST['on_table'])) {
+ $this->jerr("Missing table or id");
+ }
+
+ $tab = str_replace('/', '', strtolower($_REQUEST['on_table'])); // basic protection??
+ $x = DB_DataObject::factory($tab);
+ if (!$x->get($_REQUEST['on_id'])) {
+ $this->jerr("Item does not exist");
+ }
+ // is there a current lock on the item..
+
+ $curlock = DB_DataObject::factory('core_locking');
+ $curlock->setFrom(array(
+ 'on_id' => $_REQUEST['on_id'],
+ 'on_table' => strtolower($_REQUEST['on_table'])
+ ));
+
+ // remove old locks..
+ $llc = clone($curlock);
+ $exp = date('Y-m-d', strtotime('NOW - 1 WEEK'));
+ $llc->whereAdd("created < '$exp'");
+ if ($llc->count()) {
+ $llc->find();
+ while($llc->fetch()) {
+ $llcd = clone($llc);
+ $llcd->delete();
+
+ }
+ }
+
+
+ $curlock_ex = clone($curlock);
+ $curlock->person_id = $this->authUser->id;
+
+
+ $curlock_ex->whereAdd('person_id != '. $this->authUser->id);
+ $nlocks = $curlock_ex->count() ;
+
+ $ret = false;
+
+ if ($nlocks && empty($_REQUEST['force'])) {
+ // DB_DataObjecT::debugLevel(1);
+ $ar = $curlock_ex->fetchAll('person_id', 'created');
+ $p = DB_DataObject::factory('core_person');
+ $p->selectAdd();
+ $p->selectAdd('id,name,email');
+
+ $p->whereAddIn('id', array_keys($ar), 'int');
+ $p->find();
+ $ret = array();
+ while ($p->fetch()) {
+ $ret[$p->id] = $p->toArray();
+ $ret[$p->id]['lock_created'] = $ar[$p->id];
+ }
+ $this->jok(array_values($ret));
+
+ }
+ // trash the lock if it belongs to current user..
+ $ulocks = $curlock->count();
+ if ($ulocks) {
+ // trash all the locks..
+ $curlock = DB_DataObject::factory('core_locking');
+ $curlock->setFrom(array(
+ 'on_id' => $_REQUEST['on_id'],
+ 'on_table' => strtolower($_REQUEST['on_table']),
+ 'person_id' => $this->authUser->id
+ ));
+
+ $curlock->find();
+ while($curlock->fetch()) {
+ $cc =clone($curlock);
+ $cc->delete();
+ }
+ }
+ if ($nlocks && !empty($_REQUEST['force'])) {
+ // user has decied to delete eveyone elses locks..
+ $curlock_ex->find();
+ while($curlock_ex->fetch()) {
+ $cc =clone($curlock_ex);
+ $cc->delete();
+ }
+ }
+
+
+ // make a lock..
+
+ $curlock = DB_DataObject::factory('core_locking');
+ $curlock->setFrom(array(
+ 'on_id' => $_REQUEST['on_id'],
+ 'on_table' => strtolower($_REQUEST['on_table']),
+ 'created' => date('Y-m-d H:i:s'),
+ 'person_id' => $this->authUser->id,
+ ));
+ $id = $curlock->insert();
+ $this->jok( $id);
+
+ }
+
+
+
+
}
\ No newline at end of file