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  * Unlock - call when window is closed..
  29  * baseURL + /Core/Lock/unlock?on_id=...&on_table=...&force=1
  30  * - returns jerr or jok
  31  */
  32
  33 require_once 'Pman.php';
  34
  35 class Pman_Core_Lock extends Pman
  36 {
  37
  38     function getAuth()
  39     {
  40          $au = $this->getAuthUser();
  41         if (!$au) {
  42              $this->jerr("Not authenticated", array('authFailure' => true));
  43         }
  44         $this->authUser = $au;
  45         // check that it's a supplier!!!!
  46
  47         return true;
  48     }
  49
  50     function get($action)
  51     {
  52
  53         // default action is to attempt to lock..
  54         $action = empty($action) ? 'lock' : 'unlock';
  55         $this->$action($curlock);
  56
  57
  58
  59
  60     }
  61
  62     function unlock($curlock)
  63     {
  64
  65         if (empty($_REQUEST['id'])) {
  66             $this->jerr("No lock id");
  67         }
  68         $curlock = DB_DataObject::factory('Core_locking');
  69         if (!$curlock->get($_REQUEST['id'])) {
  70             $this->jerr("No lock exists");
  71         }
  72
  73         if ($curlock->person_id != $this->authUser->id) {
  74             $this->jerr("Lock id is invalid");
  75         }
  76
  77         $curlock->delete();
  78
  79         $this->jok('unlocked');
  80     }
  81     function lock()
  82     {
  83
  84         if (empty($_REQUEST['on_id']) || empty($_REQUEST['on_table'])) {
  85             $this->jerr("Missing table or id");
  86         }
  87
  88         $tab = str_replace('/', '',$_REQUEST['on_table']); // basic protection??
  89         $x = DB_DataObject::factory($tab);
  90         if (!$x->get($_REQUEST['on_id'])) {
  91             $this->jerr("Item does not exist");
  92         }
  93         // is there a current lock on the item..
  94
  95         $curlock = DB_DataObject::factory('Core_locking');
  96         $curlock->setFrom(array(
  97             'on_id' => $_REQUEST['on_id'],
  98             'on_table' => $_REQUEST['on_table']
  99         ));
 100
 101
 102         $nlocks = $curlock->count()
 103         if ($nlocks && empty($_REQUEST['force'])) {
 104             $curlock->selectAdd();
 105             $curlock->selectAdd('distinct(person_id), created');
 106
 107
 108             $ar = $curlock->fetchAll('person_id', 'created');
 109             $p = DB_DataObject::factory('Person');
 110             $p->whereAddIn('id', $ar, 'int');
 111             $p->find();
 112             while ($p->fetch()) {
 113                 $ret[$p->id] = $p->toRooArray();
 114                 $ret[$p->id]->lock_created = $ar[$p->id];
 115             }
 116             $this->jok($ret);
 117
 118         }
 119         if ($nlocks) {
 120             // trash all the locks..
 121             $curlock->find();
 122             while($curlock->fetch()) {
 123                 $cc =clone($curlock);
 124                 $cc->delete();
 125             }
 126         }
 127
 128         // make a lock..
 129
 130         $curlock = DB_DataObject::factory('Core_locking');
 131         $curlock->setFrom(array(
 132             'on_id' => $_REQUEST['on_id'],
 133             'on_table' => $_REQUEST['on_table'],
 134             'created' => date('Y-m-d H:i:s'),
 135             'person_id' => $this->authUser->id,
 136         ));
 137         $id = $curlock->insert();
 138         $this->jok($id);
 139
 140     }
 141
 142
 143
 144
 145 }