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   1  <?php
   2  /*
   3   * Limb PHP Framework
   4   *
   5   * @link http://limb-project.com 
   6   * @copyright  Copyright &copy; 2004-2007 BIT(http://bit-creative.com)
   7   * @license    LGPL http://www.gnu.org/copyleft/lesser.html 
   8   */
   9  lmb_require('limb/web_app/src/fetcher/lmbFetcher.class.php');
  10  lmb_require('limb/dbal/src/lmbTableGateway.class.php');
  11  lmb_require('limb/core/src/lmbClassPath.class.php');
  12  lmb_require('limb/core/src/lmbCollection.class.php');
  13  lmb_require('limb/core/src/lmbCollection.class.php');
  14  lmb_require('limb/active_record/src/lmbActiveRecord.class.php');
  15  
  16  /**

  17   * class lmbActiveRecordFetcher.

  18   *

  19   * @package web_app

  20   * @version $Id: lmbActiveRecordFetcher.class.php 5945 2007-06-06 08:31:43Z pachanga $

  21   */
  22  class lmbActiveRecordFetcher extends lmbFetcher
  23  {
  24    protected $class_path;
  25    protected $record_id;
  26    protected $record_ids;
  27    protected $find;
  28    protected $find_params = array();
  29  
  30    function setClassPath($value)
  31    {
  32      $this->class_path = $value;
  33    }
  34  
  35    function setRecordId($value)
  36    {
  37      if(!$value)
  38        $value = '';
  39      $this->record_id = $value;
  40    }
  41  
  42    function setFind($find)
  43    {
  44      $this->find = $find;
  45    }
  46  
  47    function addFindParam($value)
  48    {
  49      $this->find_params[] = $value;
  50    }
  51  
  52    function setFindParams($find_params)
  53    {
  54      $this->find_params = $find_params;
  55    }
  56  
  57    function setRecordIds($value)
  58    {
  59      if(!is_array($value))
  60        $this->record_ids = array();
  61      else
  62        $this->record_ids = $value;
  63    }
  64  
  65    function _createDataSet()
  66    {
  67      if(!$this->class_path)
  68        throw new lmbException('Class path is not defined!');
  69  
  70      $class_path = new lmbClassPath($this->class_path);
  71      $class_path->import();
  72      $class_name = $class_path->getClassName();
  73  
  74      if(is_null($this->record_id) && is_null($this->record_ids))
  75      {
  76        if(!$this->find)
  77        {
  78          return lmbActiveRecord :: find($class_name);
  79        }
  80        else
  81        {
  82          $method = 'find' . lmb_camel_case($this->find);
  83          $callback = array($class_name, $method);
  84          if(!is_callable($callback))
  85           throw new lmbException('Active record of class "'. $class_name . '" does not support method "'. $method . '"');
  86          return call_user_func_array($callback, $this->find_params);
  87        }
  88      }
  89  
  90      if($this->record_id)
  91      {
  92        try
  93        {
  94          if($this->find)
  95          {
  96            $method = 'find' . lmb_camel_case($this->find);
  97            $callback = array($class_name, $method);
  98            if(!is_callable($callback))
  99              throw new lmbException('Active record of class "'. $class_name . '" does not support method "'. $method . '"');
 100            $record = call_user_func_array($callback, array($this->record_id));
 101          }
 102          else
 103            $record = lmbActiveRecord :: findById($class_name, $this->record_id);
 104        }
 105        catch(lmbARNotFoundException $e)
 106        {
 107          $record = array();
 108        }
 109  
 110        return $this->_singleItemCollection($record);
 111      }
 112      elseif($this->record_ids)
 113      {
 114        return lmbActiveRecord :: findByIds($class_name, $this->record_ids);
 115      }
 116  
 117      return new lmbCollection();
 118    }
 119  
 120    protected function _singleItemCollection($ar)
 121    {
 122      return new lmbCollection(array($ar));
 123    }
 124  }
 125  
 126  ?>