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  */
  21
  22 require_once 'Pman.php';
  23
  24 class Pman_Core_Lock extends Pman
  25 {
  26
  27     function getAuth()
  28     {
  29          $au = $this->getAuthUser();
  30         if (!$au) {
  31              $this->jerr("Not authenticated", array('authFailure' => true));
  32         }
  33         $this->authUser = $au;
  34         // check that it's a supplier!!!!
  35
  36         return true;
  37     }
  38
  39     function get($action)
  40     {
  41
  42         // default action is to attempt to lock..
  43         $action = empty($action) ? 'lock' : 'unlock';
  44         $this->$action($curlock);
  45
  46
  47
  48
  49     }
  50
  51     function unlock($curlock)
  52     {
  53
  54         if (empty($_REQUEST['id'])) {
  55             $this->jerr("No lock id");
  56         }
  57         $curlock = DB_DataObject::factory('Core_locking');
  58         if (!$curlock->get($_REQUEST['id'])) {
  59             $this->jerr("No lock exists");
  60         }
  61
  62         if ($curlock->person_id != $this->authUser->id) {
  63             $this->jerr("Lock id is invalid");
  64         }
  65
  66         $curlock->delete();
  67
  68         $this->jok('unlocked');
  69     }
  70     function lock()
  71     {
  72
  73         if (empty($_REQUEST['on_id']) || empty($_REQUEST['on_table'])) {
  74             $this->jerr("Missing table or id");
  75         }
  76
  77         $tab = str_replace('/', '',$_REQUEST['on_table']); // basic protection??
  78         $x = DB_DataObject::factory($tab);
  79         if (!$x->get($_REQUEST['on_id'])) {
  80             $this->jerr("Item does not exist");
  81         }
  82         // is there a current lock on the item..
  83
  84         $curlock = DB_DataObject::factory('Core_locking');
  85         $curlock->setFrom(array(
  86             'on_id' => $_REQUEST['on_id'],
  87             'on_table' => $_REQUEST['on_table']
  88         ));
  89
  90
  91
  92         if ($curlock->count() && empty($_REQUEST['force'])) {
  93             $curlock->selectAdd();
  94             $curlock->selectAdd('distinct(person_id)');
  95             $ar = $curlock->fetchAll('person_id');
  96             $p = DB_DataObject::factory('Person');
  97
  98
  99             $err  = $this->canUnlock();
 100             if ($err !== true) {
 101                 $this->jerr($err);
 102             }
 103         }
 104         // make a lock..
 105
 106         $curlock = DB_DataObject::factory('Core_locking');
 107         $curlock->setFrom(array(
 108             'on_id' => $_REQUEST['on_id'],
 109             'on_table' => $_REQUEST['on_table'],
 110             'created' => date('Y-m-d H:i:s'),
 111             'person_id' => $this->authUser->id,
 112         ));
 113         $id = $curlock->insert();
 114         $this->jok($id);
 115
 116     }
 117
 118
 119
 120
 121 }