<?php
class Attachment extends AppModel {

	var $name = 'Attachment';
	var $validate = array(
		'principle_id' => array('numeric'),
		'name' => array('notempty'),
		'type' => array('notempty'),
		'size' => array('numeric'),
    'archived' => array('numeric'),
	);

	//The Associations below have been created with all possible keys, those that are not needed can be removed
	var $belongsTo = array(
		'Principle' => array(
			'className' => 'Principle',
			'foreignKey' => 'principle_id',
			'conditions' => '',
			'fields' => '',
			'order' => ''
		)
	);

	var $hasMany = array(
		'DocumentAttachment' => array(
			'className' => 'DocumentAttachment',
			'foreignKey' => 'attachment_id'
    )
	);


// Based on comment 8 from: http://bakery.cakephp.org/articles/view/improved-advance-validation-with-parameters

  function isUploadedFile($params){
    $val = array_shift($params);
    if ((isset($val['error']) && $val['error'] == 0) ||
    (!empty( $val['tmp_name']) && $val['tmp_name'] != 'none')) {
      return is_uploaded_file($val['tmp_name']);
    }
    return false;
  }


  /**
   * Passed a PHP upload 
   * array('name', 'type', 'tmp_name', 'error' 'size').
   *
   * Move the uploaded file to the storage directory
   * and return a cake array for insertion.
   *
   */

  function process_attachment($attachment) {

    $upload = $attachment['Attachment']['file'];

    $new_filename = Configure::read('attachments_directory').time().$upload['name'];

    $moved = move_uploaded_file($upload['tmp_name'], $new_filename);

    if($moved) {
      $attachment['Attachment']['filename'] = $upload['name'];
      $attachment['Attachment']['file'] = $new_filename;
      $attachment['Attachment']['size'] = $upload['size'];
      $attachment['Attachment']['type'] = $upload['type'];
      return $attachment;
    }
    else {
      die("Error! Unable to move the uploaded file");
    }

    
  }

}
?>