git.roojs.org Git - Pman.Core/blob - Lock.php

   1 <?php
   2
   3
   4
   5 /**
   6  *
   7  * Locking theory
   8  *
   9  *
  10  * This page is locked by XXXXXXX..
  11  * Do you to prevent them saving and lock it yourself..
  12  *
  13  *
  14  *
  15  *
  16  *
  17  * -- interacts with Roo and _lock = id..
  18  *
  19  *
  20  * call :
  21  * try and lock it..
  22  * baseURL + /Core/Lock/lock?on_id=...&on_table=...
  23  * - returns id or an array of who has the locks.
  24  *
  25  * baseURL + /Core/Lock/lock?on_id=...&on_table=...&force=1
  26  * - returns id..
  27  *
  28  */
  29
  30 require_once 'Pman.php';
  31
  32 class Pman_Core_Lock extends Pman
  33 {
  34
  35     function getAuth()
  36     {
  37          $au = $this->getAuthUser();
  38         if (!$au) {
  39              $this->jerr("Not authenticated", array('authFailure' => true));
  40         }
  41         $this->authUser = $au;
  42         // check that it's a supplier!!!!
  43
  44         return true;
  45     }
  46
  47     function get($action)
  48     {
  49
  50         // default action is to attempt to lock..
  51         $action = empty($action) ? 'lock' : 'unlock';
  52         $this->$action($curlock);
  53
  54
  55
  56
  57     }
  58
  59     function unlock($curlock)
  60     {
  61
  62         if (empty($_REQUEST['id'])) {
  63             $this->jerr("No lock id");
  64         }
  65         $curlock = DB_DataObject::factory('Core_locking');
  66         if (!$curlock->get($_REQUEST['id'])) {
  67             $this->jerr("No lock exists");
  68         }
  69
  70         if ($curlock->person_id != $this->authUser->id) {
  71             $this->jerr("Lock id is invalid");
  72         }
  73
  74         $curlock->delete();
  75
  76         $this->jok('unlocked');
  77     }
  78     function lock()
  79     {
  80
  81         if (empty($_REQUEST['on_id']) || empty($_REQUEST['on_table'])) {
  82             $this->jerr("Missing table or id");
  83         }
  84
  85         $tab = str_replace('/', '',$_REQUEST['on_table']); // basic protection??
  86         $x = DB_DataObject::factory($tab);
  87         if (!$x->get($_REQUEST['on_id'])) {
  88             $this->jerr("Item does not exist");
  89         }
  90         // is there a current lock on the item..
  91
  92         $curlock = DB_DataObject::factory('Core_locking');
  93         $curlock->setFrom(array(
  94             'on_id' => $_REQUEST['on_id'],
  95             'on_table' => $_REQUEST['on_table']
  96         ));
  97
  98
  99         $nlocks = $curlock->count()
 100         if ($nlocks && empty($_REQUEST['force'])) {
 101             $curlock->selectAdd();
 102             $curlock->selectAdd('distinct(person_id), created');
 103
 104
 105             $ar = $curlock->fetchAll('person_id', 'created');
 106             $p = DB_DataObject::factory('Person');
 107             $p->whereAddIn('id', $ar, 'int');
 108             $p->find();
 109             while ($p->fetch()) {
 110                 $ret[$p->id] = $p->toRooArray();
 111                 $ret[$p->id]->lock_created = $ar[$p->id];
 112             }
 113             $this->jok($ret);
 114
 115         }
 116         if ($nlocks) {
 117             // trash all the locks..
 118             $curlock->find();
 119             while($curlock->fetch()) {
 120                 $cc =clone($curlock);
 121                 $cc->delete();
 122             }
 123         }
 124
 125         // make a lock..
 126
 127         $curlock = DB_DataObject::factory('Core_locking');
 128         $curlock->setFrom(array(
 129             'on_id' => $_REQUEST['on_id'],
 130             'on_table' => $_REQUEST['on_table'],
 131             'created' => date('Y-m-d H:i:s'),
 132             'person_id' => $this->authUser->id,
 133         ));
 134         $id = $curlock->insert();
 135         $this->jok($id);
 136
 137     }
 138
 139
 140
 141
 142 }