lib/Validators.php

   1 <?php
   2 /*
   3   +---------------------------------------------------------------------------------+
   4   | Copyright (c) 2010 ActiveMongo                                                  |
   5   +---------------------------------------------------------------------------------+
   6   | Redistribution and use in source and binary forms, with or without              |
   7   | modification, are permitted provided that the following conditions are met:     |
   8   | 1. Redistributions of source code must retain the above copyright               |
   9   |    notice, this list of conditions and the following disclaimer.                |
  10   |                                                                                 |
  11   | 2. Redistributions in binary form must reproduce the above copyright            |
  12   |    notice, this list of conditions and the following disclaimer in the          |
  13   |    documentation and/or other materials provided with the distribution.         |
  14   |                                                                                 |
  15   | 3. All advertising materials mentioning features or use of this software        |
  16   |    must display the following acknowledgement:                                  |
  17   |    This product includes software developed by César D. Rodas.                  |
  18   |                                                                                 |
  19   | 4. Neither the name of the César D. Rodas nor the                               |
  20   |    names of its contributors may be used to endorse or promote products         |
  21   |    derived from this software without specific prior written permission.        |
  22   |                                                                                 |
  23   | THIS SOFTWARE IS PROVIDED BY CÉSAR D. RODAS ''AS IS'' AND ANY                   |
  24   | EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED       |
  25   | WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE          |
  26   | DISCLAIMED. IN NO EVENT SHALL CÉSAR D. RODAS BE LIABLE FOR ANY                  |
  27   | DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES      |
  28   | (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;    |
  29   | LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND     |
  30   | ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT      |
  31   | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS   |
  32   | SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE                     |
  33   +---------------------------------------------------------------------------------+
  34   | Authors: César Rodas <crodas@php.net>                                           |
  35   +---------------------------------------------------------------------------------+
  36 */
  37
  38 // Valid Presence Of {{{
  39 ActiveMongo_Events::addEvent("before_validate_creation", function ($class, $obj) {
  40     if (isset($class::$validates_presence_of)) {
  41         foreach ((Array)$class::$validates_presence_of as $property) {
  42             if (!isset($obj[$property])) {
  43                 throw new FilterException("Missing required property {$property}");
  44             }
  45         }
  46     }
  47 });
  48
  49 ActiveMongo_Events::addEvent("before_validate_update", function ($class, $obj) {
  50     if (isset($class::$validates_presence_of)) {
  51         foreach ((Array)$class::$validates_presence_of as $property) {
  52             if (isset($obj['$unset'][$property])) {
  53                 throw new FilterException("Cannot delete required property {$property}");
  54             }
  55         }
  56     }
  57 });
  58 // }}}
  59
  60 // Valid Size Of / Valid Length Of {{{
  61 ActiveMongo_Events::addEvent("before_validate", function ($class, $obj) {
  62     $validates = array();
  63
  64     if (isset($class::$validates_size_of)) {
  65         $validates = $class::$validates_size_of;
  66     } else if (isset($class::$validates_length_of)) {
  67         $validates = $class::$validates_length_of;
  68     }
  69
  70     foreach ($validates as $property) {
  71         $name = $property[0];
  72
  73         if (isset($obj[$name])) {
  74             $prop = $obj[$name];
  75         }
  76
  77         if (isset($obj['$set'][$name])) {
  78             $prop = $obj['$set'][$name];
  79         }
  80
  81         if (isset($prop)) {
  82             if (isset($property['min']) && strlen($prop) < $property['min']) {
  83                 throw new FilterException("{$name} length is too short");
  84             }
  85             if (isset($property['is']) && strlen($prop) != $property['is']) {
  86                 throw new FilterException("{$name} length is different than expected");
  87             }
  88             if (isset($property['max']) && strlen($prop) > $property['max']) {
  89                 throw new FilterException("{$name} length is too large");
  90             }
  91         }
  92     }
  93 });
  94 // }}}
  95
  96 /*
  97  * Local variables:
  98  * tab-width: 4
  99  * c-basic-offset: 4
 100  * End:
 101  * vim600: sw=4 ts=4 fdm=marker
 102  * vim<600: sw=4 ts=4
 103  */