mirror of
https://github.com/kamilwylegala/cakephp2-php8.git
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965874ccae
[3132] Adding patch from Ticket #1004. This fixed problem with table prefix not being used when querying for the last record id git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@3133 3807eeeb-6ff5-0310-8944-8be069107fe0
1596 lines
No EOL
39 KiB
PHP
1596 lines
No EOL
39 KiB
PHP
<?php
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/* SVN FILE: $Id$ */
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/**
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* Object-relational mapper.
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*
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* DBO-backed object data model, for mapping database tables to Cake objects.
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*
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* PHP versions 5
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*
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* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
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* Copyright (c) 2006, Cake Software Foundation, Inc.
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* 1785 E. Sahara Avenue, Suite 490-204
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* Las Vegas, Nevada 89104
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*
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* Licensed under The MIT License
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* Redistributions of files must retain the above copyright notice.
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*
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* @filesource
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* @copyright Copyright (c) 2006, Cake Software Foundation, Inc.
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* @link http://www.cakefoundation.org/projects/info/cakephp CakePHP Project
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* @package cake
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* @subpackage cake.cake.libs.model
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* @since CakePHP v 0.10.0.0
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* @version $Revision$
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* @modifiedby $LastChangedBy$
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* @lastmodified $Date$
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* @license http://www.opensource.org/licenses/mit-license.php The MIT License
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*/
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/**
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* Included libs
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*/
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uses('class_registry', 'validators');
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/**
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* Object-relational mapper.
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*
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* DBO-backed object data model.
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* Automatically selects a database table name based on a pluralized lowercase object class name
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* (i.e. class 'User' => table 'users'; class 'Man' => table 'men')
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* The table is required to have at least 'id auto_increment', 'created datetime',
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* and 'modified datetime' fields.
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*
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* @package cake
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* @subpackage cake.cake.libs.model
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*/
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class Model extends Object{
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/**
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* The name of the DataSource connection that this Model uses
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*
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* @var string
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* @access public
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*/
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var $useDbConfig = 'default';
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/**
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* Enter description here... Still used?
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*
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* @var unknown_type
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* @access public
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* @todo Is this still used? -OJ 22 nov 2006
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*/
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var $parent = false;
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/**
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* Custom database table name.
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*
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* @var string
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* @access public
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*/
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var $useTable = null;
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/**
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* Custom display field name. Display fields are used by Scaffold, in SELECT boxes' OPTION elements.
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*
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* @var string
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* @access public
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*/
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var $displayField = null;
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/**
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* Value of the primary key ID of the record that this model is currently pointing to
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*
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* @var unknown_type
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* @access public
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*/
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var $id = false;
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/**
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* Container for the data that this model gets from persistent storage (the database).
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*
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* @var array
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* @access public
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*/
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var $data = array();
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/**
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* Table name for this Model.
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*
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* @var string
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* @access public
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*/
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var $table = false;
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/**
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* The name of the ID field for this Model.
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*
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* @var string
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* @access public
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*/
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var $primaryKey = null;
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/**
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* Table metadata
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*
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* @var array
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* @access private
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*/
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var $_tableInfo = null;
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/**
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* List of validation rules. Append entries for validation as ('field_name' => '/^perl_compat_regexp$/')
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* that have to match with preg_match(). Use these rules with Model::validate()
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*
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* @var array
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*/
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var $validate = array();
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/**
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* Errors in validation
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* @var array
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*/
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var $validationErrors = array();
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/**
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* Database table prefix for tables in model.
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*
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* @var string
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*/
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var $tablePrefix = null;
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/**
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* Name of the model.
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*
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* @var string
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*/
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var $name = null;
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/**
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* Name of the current model.
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*
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* @var string
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*/
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var $currentModel = null;
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/**
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* List of table names included in the Model description. Used for associations.
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*
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* @var array
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*/
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var $tableToModel = array();
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/**
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* List of Model names by used tables. Used for associations.
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*
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* @var array
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*/
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var $modelToTable = array();
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/**
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* List of Foreign Key names to used tables. Used for associations.
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*
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* @var array
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*/
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var $keyToTable = array();
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/**
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* Alias table names for model, for use in SQL JOIN statements.
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*
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* @var array
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*/
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var $alias = array();
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/**
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* Whether or not transactions for this model should be logged
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*
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* @var boolean
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*/
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var $logTransactions = false;
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/**
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* Whether or not to enable transactions for this model (i.e. BEGIN/COMMIT/ROLLBACK)
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*
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* @var boolean
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*/
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var $transactional = false;
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/**
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* Whether or not to cache queries for this model. This enables in-memory
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* caching only, the results are not stored beyond this execution.
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*
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* @var boolean
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*/
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var $cacheQueries = true;
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/**
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* belongsTo association
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*
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* @var array
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*/
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var $belongsTo = array();
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/**
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* hasOne association
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*
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* @var array
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*/
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var $hasOne = array();
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/**
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* hasMany association
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*
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* @var array
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*/
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var $hasMany = array();
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/**
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* hasAndBelongsToMany association
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*
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* @var array
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*/
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var $hasAndBelongsToMany = array();
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/**
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* Depth of recursive association
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*
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* @var int
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*/
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var $recursive = 1;
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/**
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* Default ordering of model records
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*
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* @var mixed
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*/
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var $order = null;
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/**
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* Default association keys
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*
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* @var array
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*/
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var $__associationKeys = array(
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'belongsTo' => array('className', 'conditions', 'order', 'foreignKey', 'counterCache'),
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'hasOne' => array('className', 'conditions', 'order', 'foreignKey', 'dependent'),
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'hasMany' => array('className', 'conditions', 'order', 'foreignKey', 'fields', 'dependent', 'exclusive', 'finderQuery', 'counterQuery'),
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'hasAndBelongsToMany' => array('className', 'joinTable', 'fields', 'foreignKey', 'associationForeignKey', 'conditions', 'order', 'uniq', 'finderQuery', 'deleteQuery', 'insertQuery')
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);
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/**
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* Holds provided/generated association key names and other data for all associations
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*
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* @var array
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*/
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var $__associations = array('belongsTo', 'hasOne', 'hasMany', 'hasAndBelongsToMany');
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/**
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* The last inserted ID of the data that this model created
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*
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* @var int
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* @access private
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*/
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var $__insertID = null;
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/**
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* The number of records returned by the last query
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*
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* @access private
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* @var int
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*/
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var $__numRows = null;
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/**
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* The number of records affected by the last query
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*
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* @access private
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* @var int
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*/
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var $__affectedRows = null;
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/**
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* Constructor. Binds the Model's database table to the object.
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*
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* @param integer $id
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* @param string $table Name of database table to use.
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* @param DataSource $ds DataSource connection object.
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*/
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function __construct($id = false, $table = null, $ds = null) {
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parent::__construct();
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if ($this->name === null) {
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$this->name = get_class($this);
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}
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if ($this->primaryKey === null) {
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$this->primaryKey = 'id';
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}
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$this->currentModel = Inflector::underscore($this->name);
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ClassRegistry::addObject($this->currentModel, $this);
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$this->id = $id;
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if ($this->useTable !== false) {
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$this->setDataSource($ds);
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if ($table) {
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$tableName = $table;
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} else {
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if ($this->useTable) {
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$tableName = $this->useTable;
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} else {
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$tableName = Inflector::tableize($this->name);
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}
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}
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if (in_array('settableprefix', get_class_methods($this))) {
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$this->setTablePrefix();
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}
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$this->setSource($tableName);
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$this->__createLinks();
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if ($this->displayField == null) {
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if ($this->hasField('title')) {
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$this->displayField = 'title';
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}
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if ($this->hasField('name')) {
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$this->displayField = 'name';
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}
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if ($this->displayField == null) {
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$this->displayField = $this->primaryKey;
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}
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}
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}
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}
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/**
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* Handles custom method calls, like findBy<field> for DB models,
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* and custom RPC calls for remote data sources
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*
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* @param unknown_type $method
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* @param array $params
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* @return unknown
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* @access protected
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*/
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function __call($method, $params) {
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$db =& ConnectionManager::getDataSource($this->useDbConfig);
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return $db->query($method, $params, $this);
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}
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/**
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* Bind model associations on the fly.
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*
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* @param array $params
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* @return true
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*/
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function bindModel($params) {
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foreach($params as $assoc => $model) {
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$this->__backAssociation[$assoc] = $this->{$assoc};
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foreach($model as $key => $value) {
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$assocName = $key;
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$modelName = $key;
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if (isset($value['className'])) {
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$modelName = $value['className'];
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}
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$this->__constructLinkedModel($assocName, $modelName);
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$this->{$assoc}[$assocName] = $model[$assocName];
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$this->__generateAssociation($assoc);
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}
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}
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return true;
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}
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/**
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* Turn off associations on the fly.
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*
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* @param array $params
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* @return true
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*/
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function unbindModel($params) {
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foreach($params as $assoc => $models) {
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$this->__backAssociation[$assoc] = $this->{$assoc};
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foreach($models as $model) {
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$this->__backAssociation = array_merge($this->__backAssociation, $this->{$assoc});
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unset ($this->{$assoc}[$model]);
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}
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}
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return true;
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}
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/**
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* Private helper method to create a set of associations.
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*
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* @access private
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*/
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function __createLinks() {
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// Convert all string-based associations to array based
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foreach($this->__associations as $type) {
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if (!is_array($this->{$type})) {
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$this->{$type} = explode(',', $this->{$type});
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foreach($this->{$type} as $i => $className) {
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$className = trim($className);
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unset ($this->{$type}[$i]);
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$this->{$type}[$className] = array();
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}
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}
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foreach($this->{$type} as $assoc => $value) {
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if (is_numeric($assoc)) {
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unset ($this->{$type}[$assoc]);
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$assoc = $value;
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$value = array();
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$this->{$type}[$assoc] = $value;
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}
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$className = $assoc;
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if (isset($value['className']) && !empty($value['className'])) {
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$className = $value['className'];
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}
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$this->__constructLinkedModel($assoc, $className);
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}
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}
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foreach($this->__associations as $type) {
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$this->__generateAssociation($type);
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}
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}
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/**
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* Private helper method to create associated models of given class.
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* @param string $assoc
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* @param string $className Class name
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* @param string $type Type of assocation
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* @access private
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*/
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function __constructLinkedModel($assoc, $className) {
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$colKey = Inflector::underscore($className);
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if (ClassRegistry::isKeySet($colKey)) {
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$this->{$className} = ClassRegistry::getObject($colKey);
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} else {
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$this->{$className} = new $className();
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}
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$this->alias[$assoc] = $this->{$className}->table;
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$this->tableToModel[$this->{$className}->table] = $className;
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$this->modelToTable[$className] = $this->{$className}->table;
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}
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/**
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* Build array-based association from string.
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*
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* @param string $type "Belongs", "One", "Many", "ManyTo"
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* @access private
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*/
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function __generateAssociation($type) {
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foreach($this->{$type}as $assocKey => $assocData) {
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$class = $assocKey;
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if (isset($this->{$type}[$assocKey]['className']) && $this->{$type}[$assocKey]['className'] !== null) {
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$class = $this->{$type}[$assocKey]['className'];
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}
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foreach($this->__associationKeys[$type] as $key) {
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if (!isset($this->{$type}[$assocKey][$key]) || $this->{$type}[$assocKey][$key] == null) {
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$data = '';
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switch($key) {
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case 'fields':
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$data = '';
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break;
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case 'foreignKey':
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$data = Inflector::singularize($this->table) . '_id';
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if ($type == 'belongsTo') {
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$data = Inflector::singularize($this->{$class}->table) . '_id';
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}
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break;
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case 'associationForeignKey':
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$data = Inflector::singularize($this->{$class}->table) . '_id';
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break;
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case 'joinTable':
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$tables = array($this->table, $this->{$class}->table);
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sort ($tables);
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$data = $tables[0] . '_' . $tables[1];
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break;
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case 'className':
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$data = $class;
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break;
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}
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$this->{$type}[$assocKey][$key] = $data;
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}
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if ($key == 'foreignKey' && !isset($this->keyToTable[$this->{$type}[$assocKey][$key]])) {
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$this->keyToTable[$this->{$type}[$assocKey][$key]][0] = $this->{$class}->table;
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$this->keyToTable[$this->{$type}[$assocKey][$key]][1] = $this->{$class}->name;
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}
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}
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}
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}
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/**
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* Sets a custom table for your controller class. Used by your controller to select a database table.
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*
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* @param string $tableName Name of the custom table
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*/
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function setSource($tableName) {
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$db =& ConnectionManager::getDataSource($this->useDbConfig);
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if ($db->isInterfaceSupported('listSources')) {
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$prefix = '';
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if ($this->tablePrefix) {
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$prefix = $this->tablePrefix;
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}
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$sources = $db->listSources();
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if (is_array($sources) && !in_array(low($prefix . $tableName), array_map('low', $sources))) {
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return $this->cakeError('missingTable', array(array(
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'className' => $this->name,
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'table' => $prefix . $tableName
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)));
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} else {
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$this->table = $tableName;
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$this->tableToModel[$this->table] = $this->name;
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$this->loadInfo();
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}
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} else {
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$this->table = $tableName;
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$this->tableToModel[$this->table] = $this->name;
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$this->loadInfo();
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}
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}
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/**
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|
* This function does two things: 1) it scans the array $one for the primary key,
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* and if that's found, it sets the current id to the value of $one[id].
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* For all other keys than 'id' the keys and values of $one are copied to the 'data' property of this object.
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* 2) Returns an array with all of $one's keys and values.
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* (Alternative indata: two strings, which are mangled to
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|
* a one-item, two-dimensional array using $one for a key and $two as its value.)
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|
*
|
|
* @param mixed $one Array or string of data
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|
* @param string $two Value string for the alternative indata method
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|
* @return unknown
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*/
|
|
function set($one, $two = null) {
|
|
if (is_array($one)) {
|
|
if (countdim($one) == 1) {
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|
$data = array($this->name => $one);
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|
} else {
|
|
$data = $one;
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}
|
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} else {
|
|
$data = array($this->name => array($one => $two));
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}
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|
|
foreach($data as $n => $v) {
|
|
if (is_array($v)) {
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|
|
|
foreach($v as $x => $y) {
|
|
if ($n == $this->name) {
|
|
if (isset($this->validationErrors[$x])) {
|
|
unset ($this->validationErrors[$x]);
|
|
}
|
|
|
|
if ($x == $this->primaryKey) {
|
|
$this->id = $y;
|
|
}
|
|
}
|
|
|
|
$this->data[$n][$x] = $y;
|
|
}
|
|
}
|
|
}
|
|
return $data;
|
|
}
|
|
/**
|
|
* Returns an array of table metadata (column names and types) from the database.
|
|
*
|
|
* @return array Array of table metadata
|
|
*/
|
|
function loadInfo() {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
|
|
if (!is_object($this->_tableInfo) && $db->isInterfaceSupported('describe')) {
|
|
$this->_tableInfo = new NeatArray($db->describe($this));
|
|
}
|
|
return $this->_tableInfo;
|
|
}
|
|
/**
|
|
* Returns an associative array of field names and column types.
|
|
*
|
|
* @return array
|
|
*/
|
|
function getColumnTypes() {
|
|
$columns = $this->loadInfo();
|
|
$columns = $columns->value;
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
$cols = array();
|
|
|
|
foreach($columns as $col) {
|
|
$cols[$col['name']] = $db->column($col['type']);
|
|
}
|
|
return $cols;
|
|
}
|
|
/**
|
|
* Returns the column type of a column in the model
|
|
*
|
|
* @param string $column The name of the model column
|
|
* @return string
|
|
*/
|
|
function getColumnType($column) {
|
|
$columns = $this->loadInfo();
|
|
$columns = $columns->value;
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
$cols = array();
|
|
|
|
foreach($columns as $col) {
|
|
if ($col['name'] == $column) {
|
|
return $db->column($col['type']);
|
|
}
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Returns true if this Model has given field in its database table.
|
|
*
|
|
* @param string $name Name of field to look for
|
|
* @return boolean
|
|
*/
|
|
function hasField($name) {
|
|
if (empty($this->_tableInfo)) {
|
|
$this->loadInfo();
|
|
}
|
|
|
|
if ($this->_tableInfo != null) {
|
|
return $this->_tableInfo->findIn('name', $name);
|
|
}
|
|
return null;
|
|
}
|
|
/**
|
|
* Initializes the model for writing a new record.
|
|
*
|
|
* @return boolean True
|
|
*/
|
|
function create() {
|
|
$this->id = false;
|
|
unset ($this->data);
|
|
$this->data = array();
|
|
return true;
|
|
}
|
|
/**
|
|
* Deprecated
|
|
*
|
|
*/
|
|
function setId($id) {
|
|
$this->id = $id;
|
|
}
|
|
/**
|
|
* Deprecated. Use query() instead.
|
|
*
|
|
*/
|
|
function findBySql($sql) {
|
|
return $this->query($sql);
|
|
}
|
|
/**
|
|
* Returns a list of fields from the database
|
|
*
|
|
* @param mixed $id The ID of the record to read
|
|
* @param mixed $fields String of single fieldname, or an array of fieldnames.
|
|
* @return array Array of database fields
|
|
*/
|
|
function read($fields = null, $id = null) {
|
|
$this->validationErrors = array();
|
|
|
|
if ($id != null) {
|
|
$this->id = $id;
|
|
}
|
|
|
|
$id = $this->id;
|
|
|
|
if (is_array($this->id)) {
|
|
$id = $this->id[0];
|
|
}
|
|
|
|
if ($this->id !== null && $this->id !== false) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
$field = $db->name($this->name) . '.' . $db->name($this->primaryKey);
|
|
return $this->find($field . ' = ' . $db->value($id, $this->getColumnType($this->primaryKey)), $fields);
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns contents of a field in a query matching given conditions.
|
|
*
|
|
* @param string $name Name of field to get
|
|
* @param array $conditions SQL conditions (defaults to NULL)
|
|
* @param string $order SQL ORDER BY fragment
|
|
* @return field contents
|
|
*/
|
|
function field($name, $conditions = null, $order = null) {
|
|
if ($conditions === null) {
|
|
$conditions = array($this->name . '.' . $this->primaryKey => $this->id);
|
|
}
|
|
|
|
if ($data = $this->find($conditions, $name, $order, 0)) {
|
|
|
|
if (strpos($name, '.') === false) {
|
|
if (isset($data[$this->name][$name])) {
|
|
return $data[$this->name][$name];
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
$name = explode('.', $name);
|
|
|
|
if (isset($data[$name[0]][$name[1]])) {
|
|
return $data[$name[0]][$name[1]];
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Saves a single field to the database.
|
|
*
|
|
* @param string $name Name of the table field
|
|
* @param mixed $value Value of the field
|
|
* @param boolean $validate Whether or not this model should validate before saving (defaults to false)
|
|
* @return boolean True on success save
|
|
*/
|
|
function saveField($name, $value, $validate = false) {
|
|
return $this->save(array($this->name => array($name => $value)), $validate);
|
|
}
|
|
|
|
/**
|
|
* Saves model data to the database.
|
|
* By default, validation occurs before save.
|
|
*
|
|
* @param array $data Data to save.
|
|
* @param boolean $validate If set, validation will be done before the save
|
|
* @param array $fieldList List of fields to allow to be written
|
|
* @return boolean success
|
|
*/
|
|
function save($data = null, $validate = true, $fieldList = array()) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
|
|
if ($data) {
|
|
if (countdim($data) == 1) {
|
|
$this->set(array($this->name => $data));
|
|
} else {
|
|
$this->set($data);
|
|
}
|
|
}
|
|
|
|
$whitelist = !(empty($fieldList) || count($fieldList) == 0);
|
|
|
|
if ($validate && !$this->validates()) {
|
|
return false;
|
|
}
|
|
|
|
if (!$this->beforeSave()) {
|
|
return false;
|
|
}
|
|
|
|
$fields = $values = array();
|
|
$count = 0;
|
|
|
|
if (count($this->data) > 1) {
|
|
$weHaveMulti = true;
|
|
$joined = false;
|
|
} else {
|
|
$weHaveMulti = false;
|
|
}
|
|
|
|
$newID = null;
|
|
|
|
foreach($this->data as $n => $v) {
|
|
if (isset($weHaveMulti) && isset($v[$n]) && $count > 0 && count($this->hasAndBelongsToMany) > 0) {
|
|
$joined[] = $v;
|
|
} else {
|
|
if ($n === $this->name) {
|
|
foreach($v as $x => $y) {
|
|
if ($this->hasField($x) && ($whitelist && in_array($x, $fieldList) || !$whitelist)) {
|
|
$fields[] = $x;
|
|
$values[] = $y;
|
|
|
|
if ($x == $this->primaryKey && !empty($y)) {
|
|
$newID = $y;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
$count++;
|
|
}
|
|
|
|
if (empty($this->id) && $this->hasField('created') && !in_array('created', $fields) && ($whitelist && in_array('created', $fieldList) || !$whitelist)) {
|
|
$fields[] = 'created';
|
|
$values[] = date('Y-m-d H:i:s');
|
|
}
|
|
|
|
if ($this->hasField('modified') && !in_array('modified', $fields) && ($whitelist && in_array('modified', $fieldList) || !$whitelist)) {
|
|
$fields[] = 'modified';
|
|
$values[] = date('Y-m-d H:i:s');
|
|
}
|
|
|
|
if ($this->hasField('updated') && !in_array('updated', $fields) && ($whitelist && in_array('updated', $fieldList) || !$whitelist)) {
|
|
$fields[] = 'updated';
|
|
$values[] = date('Y-m-d H:i:s');
|
|
}
|
|
|
|
if (!$this->exists()) {
|
|
$this->id = false;
|
|
}
|
|
|
|
if (count($fields)) {
|
|
if (!empty($this->id)) {
|
|
if ($db->update($this, $fields, $values)) {
|
|
if (!empty($joined)) {
|
|
$this->__saveMulti($joined, $this->id);
|
|
}
|
|
|
|
$this->afterSave();
|
|
$this->data = false;
|
|
$this->_clearCache();
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
} else {
|
|
if ($db->create($this, $fields, $values)) {
|
|
$this->__insertID = $db->lastInsertId($this->tablePrefix . $this->table, $this->primaryKey);
|
|
|
|
if (!$this->__insertID && $newID != null) {
|
|
$this->__insertID = $newID;
|
|
$this->id = $newID;
|
|
} else {
|
|
$this->id = $this->__insertID;
|
|
}
|
|
|
|
if (!empty($joined)) {
|
|
$this->__saveMulti($joined, $this->id);
|
|
}
|
|
|
|
$this->afterSave();
|
|
$this->data = false;
|
|
$this->_clearCache();
|
|
$this->validationErrors = array();
|
|
return true;
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
} else {
|
|
return false;
|
|
}
|
|
}
|
|
/**
|
|
* Saves model hasAndBelongsToMany data to the database.
|
|
*
|
|
* @param array $joined Data to save.
|
|
* @param string $id
|
|
* @return
|
|
* @access private
|
|
*/
|
|
function __saveMulti($joined, $id) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
|
|
foreach($joined as $x => $y) {
|
|
foreach($y as $assoc => $value) {
|
|
|
|
$joinTable[] = $this->hasAndBelongsToMany[$assoc]['joinTable'];
|
|
$mainKey[] = $this->hasAndBelongsToMany[$assoc]['foreignKey'];
|
|
$keys[] = $this->hasAndBelongsToMany[$assoc]['foreignKey'];
|
|
$keys[] = $this->hasAndBelongsToMany[$assoc]['associationForeignKey'];
|
|
$fields[] = join(',', $keys);
|
|
unset($keys);
|
|
|
|
foreach($value as $update) {
|
|
if (!empty($update)) {
|
|
$values[] = $db->value($id, $this->getColumnType($this->primaryKey));
|
|
$values[] = $db->value($update);
|
|
$values = join(',', $values);
|
|
$newValues[] = "({$values})";
|
|
unset ($values);
|
|
}
|
|
}
|
|
|
|
if (!empty($newValues)) {
|
|
$newValue[] = $newValues;
|
|
unset($newValues);
|
|
}
|
|
}
|
|
}
|
|
|
|
$total = count($joinTable);
|
|
|
|
for($count = 0; $count < $total; $count++) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
$table = $db->name($db->fullTableName($joinTable[$count]));
|
|
$db->execute("DELETE FROM {$table} WHERE {$mainKey[$count]} = '{$id}'");
|
|
|
|
if (!empty($newValue[$count])) {
|
|
$secondCount = count($newValue[$count]);
|
|
|
|
for($x = 0; $x < $secondCount; $x++) {
|
|
$db->execute("INSERT INTO {$table} ({$fields[$count]}) VALUES {$newValue[$count][$x]}");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Synonym for del().
|
|
*
|
|
* @param mixed $id
|
|
* @see function del
|
|
* @return boolean True on success
|
|
*/
|
|
function remove($id = null, $cascade = true) {
|
|
return $this->del($id, $cascade);
|
|
}
|
|
/**
|
|
* Removes record for given id. If no id is given, the current id is used. Returns true on success.
|
|
*
|
|
* @param mixed $id Id of record to delete
|
|
* @return boolean True on success
|
|
*/
|
|
function del($id = null, $cascade = true) {
|
|
if ($id) {
|
|
$this->id = $id;
|
|
}
|
|
|
|
$id = $this->id;
|
|
|
|
if ($this->beforeDelete()) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
|
|
if ($this->id && $db->delete($this)) {
|
|
$this->_deleteMulti($id);
|
|
$this->_deleteHasMany($id, $cascade);
|
|
$this->_deleteHasOne($id, $cascade);
|
|
$this->afterDelete();
|
|
$this->_clearCache();
|
|
$this->id = false;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
/**
|
|
* Alias for del()
|
|
*
|
|
* @param mixed $id Id of record to delete
|
|
* @return boolean True on success
|
|
*/
|
|
function delete($id = null, $cascade = true) {
|
|
return $this->del($id, $cascade);
|
|
}
|
|
/**
|
|
* Cascades model deletes to hasMany relationships.
|
|
*
|
|
* @param string $id
|
|
* @return null
|
|
* @access protected
|
|
*/
|
|
function _deleteHasMany($id, $cascade) {
|
|
foreach($this->hasMany as $assoc => $data) {
|
|
if ($data['dependent'] === true && $cascade === true) {
|
|
$model =& $this->{$data['className']};
|
|
$field = $model->escapeField($data['foreignKey']);
|
|
$model->recursive = 0;
|
|
$records = $model->findAll("$field = '$id'", $model->primaryKey, null, null);
|
|
|
|
foreach($records as $record) {
|
|
$model->del($record[$data['className']][$model->primaryKey]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Cascades model deletes to hasOne relationships.
|
|
*
|
|
* @param string $id
|
|
* @return null
|
|
* @access protected
|
|
*/
|
|
function _deleteHasOne($id, $cascade) {
|
|
foreach($this->hasOne as $assoc => $data) {
|
|
if ($data['dependent'] === true && $cascade === true) {
|
|
$model =& $this->{$data['className']};
|
|
$field = $model->escapeField($data['foreignKey']);
|
|
$model->recursive = 0;
|
|
$records = $model->findAll("$field = '$id'", $model->primaryKey, null, null);
|
|
|
|
foreach($records as $record) {
|
|
$model->del($record[$data['className']][$model->primaryKey]);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
/**
|
|
* Cascades model deletes to HABTM join keys.
|
|
*
|
|
* @param string $id
|
|
* @return null
|
|
* @access protected
|
|
*/
|
|
function _deleteMulti($id) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
foreach($this->hasAndBelongsToMany as $assoc => $data) {
|
|
$db->execute("DELETE FROM " . $db->name($db->fullTableName($data['joinTable'])) . " WHERE " . $db->name($data['foreignKey']) . " = '{$id}'");
|
|
}
|
|
}
|
|
/**
|
|
* Returns true if a record with set id exists.
|
|
*
|
|
* @return boolean True if such a record exists
|
|
*/
|
|
function exists() {
|
|
if ($this->id) {
|
|
$id = $this->id;
|
|
|
|
if (is_array($id)) {
|
|
$id = $id[0];
|
|
}
|
|
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
return $db->hasAny($this, array($this->primaryKey => $id));
|
|
}
|
|
return false;
|
|
}
|
|
/**
|
|
* Returns true if a record that meets given conditions exists
|
|
*
|
|
* @param array $conditions SQL conditions array
|
|
* @return boolean True if such a record exists
|
|
*/
|
|
function hasAny($conditions = null) {
|
|
return ($this->findCount($conditions) != false);
|
|
}
|
|
/**
|
|
* Return a single row as a resultset array.
|
|
* By using the $recursive parameter, the call can access further "levels of association" than
|
|
* the ones this model is directly associated to.
|
|
*
|
|
* @param array $conditions SQL conditions array
|
|
* @param mixed $fields Either a single string of a field name, or an array of field names
|
|
* @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
|
|
* @param int $recursive The number of levels deep to fetch associated records
|
|
* @return array Array of records
|
|
*/
|
|
function find($conditions = null, $fields = null, $order = null, $recursive = null) {
|
|
$data = $this->findAll($conditions, $fields, $order, 1, null, $recursive);
|
|
|
|
if (empty($data[0])) {
|
|
return false;
|
|
}
|
|
|
|
return $data[0];
|
|
}
|
|
/**
|
|
* Returns a resultset array with specified fields from database matching given conditions.
|
|
* By using the $recursive parameter, the call can access further "levels of association" than
|
|
* the ones this model is directly associated to.
|
|
*
|
|
* @param mixed $conditions SQL conditions as a string or as an array('field' =>'value',...)
|
|
* @param mixed $fields Either a single string of a field name, or an array of field names
|
|
* @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
|
|
* @param int $limit SQL LIMIT clause, for calculating items per page.
|
|
* @param int $page Page number, for accessing paged data
|
|
* @param int $recursive The number of levels deep to fetch associated records
|
|
* @return array Array of records
|
|
*/
|
|
function findAll($conditions = null, $fields = null, $order = null, $limit = null, $page = 1, $recursive = null) {
|
|
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
$this->id = $this->getID();
|
|
$offset = null;
|
|
|
|
if ($page > 1 && $limit != null) {
|
|
$offset = ($page - 1) * $limit;
|
|
}
|
|
|
|
if ($order == null) {
|
|
if ($this->order == null) {
|
|
$order = array();
|
|
} else {
|
|
$order = array($this->order);
|
|
}
|
|
} else {
|
|
$order = array($order);
|
|
}
|
|
|
|
$queryData = array(
|
|
'conditions' => $conditions,
|
|
'fields' => $fields,
|
|
'joins' => array(),
|
|
'limit' => $limit,
|
|
'offset' => $offset,
|
|
'order' => $order
|
|
);
|
|
|
|
if (!$this->beforeFind($queryData)) {
|
|
return null;
|
|
}
|
|
|
|
$return = $this->afterFind($db->read($this, $queryData, $recursive));
|
|
|
|
if (isset($this->__backAssociation)) {
|
|
$this->__resetAssociations();
|
|
}
|
|
|
|
return $return;
|
|
}
|
|
/**
|
|
* Method is called only when bindTo<ModelName>() is used.
|
|
* This resets the association arrays for the model back
|
|
* to the original as set in the model.
|
|
*
|
|
* @return unknown
|
|
* @access private
|
|
*/
|
|
function __resetAssociations() {
|
|
foreach($this->__associations as $type) {
|
|
if (isset($this->__backAssociation[$type])) {
|
|
$this->{$type} = $this->__backAssociation[$type];
|
|
}
|
|
}
|
|
|
|
unset ($this->__backAssociation);
|
|
return true;
|
|
}
|
|
/**
|
|
* Runs a direct query against the bound DataSource, and returns the result.
|
|
*
|
|
* @param string $data Query data
|
|
* @return array
|
|
*/
|
|
function execute($data) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
$data = $db->fetchAll($data, $this->cacheQueries);
|
|
|
|
foreach($data as $key => $value) {
|
|
foreach($this->tableToModel as $key1 => $value1) {
|
|
if (isset($data[$key][$key1])) {
|
|
$newData[$key][$value1] = $data[$key][$key1];
|
|
}
|
|
}
|
|
}
|
|
|
|
if (!empty($newData)) {
|
|
return $newData;
|
|
}
|
|
|
|
return $data;
|
|
}
|
|
/**
|
|
* Returns number of rows matching given SQL condition.
|
|
*
|
|
* @param array $conditions SQL conditions array for findAll
|
|
* @param int $recursize The number of levels deep to fetch associated records
|
|
* @return int Number of matching rows
|
|
* @see Model::findAll
|
|
*/
|
|
function findCount($conditions = null, $recursive = 0) {
|
|
list($data) = $this->findAll($conditions, 'COUNT(*) AS count', null, null, 1, $recursive);
|
|
|
|
if (isset($data[0]['count'])) {
|
|
return $data[0]['count'];
|
|
}
|
|
|
|
return false;
|
|
}
|
|
/**
|
|
* Special findAll variation for tables joined to themselves.
|
|
* The table needs the fields id and parent_id to work.
|
|
*
|
|
* @param array $conditions Conditions for the findAll() call
|
|
* @param array $fields Fields for the findAll() call
|
|
* @param string $sort SQL ORDER BY statement
|
|
* @return array
|
|
* @todo Perhaps create a Component with this logic
|
|
*/
|
|
function findAllThreaded($conditions = null, $fields = null, $sort = null) {
|
|
return $this->__doThread(Model::findAll($conditions, $fields, $sort), null);
|
|
}
|
|
/**
|
|
* Private, recursive helper method for findAllThreaded.
|
|
*
|
|
* @param array $data
|
|
* @param string $root NULL or id for root node of operation
|
|
* @return array
|
|
* @access private
|
|
* @see findAllThreaded
|
|
*/
|
|
function __doThread($data, $root) {
|
|
$out = array();
|
|
$sizeOf = sizeof($data);
|
|
|
|
for($ii = 0; $ii < $sizeOf; $ii++) {
|
|
if (($data[$ii][$this->name]['parent_id'] == $root) || (($root === null) && ($data[$ii][$this->name]['parent_id'] == '0'))) {
|
|
$tmp = $data[$ii];
|
|
|
|
if (isset($data[$ii][$this->name][$this->primaryKey])) {
|
|
$tmp['children'] = $this->__doThread($data, $data[$ii][$this->name][$this->primaryKey]);
|
|
} else {
|
|
$tmp['children'] = null;
|
|
}
|
|
|
|
$out[] = $tmp;
|
|
}
|
|
}
|
|
|
|
return $out;
|
|
}
|
|
/**
|
|
* Returns an array with keys "prev" and "next" that holds the id's of neighbouring data,
|
|
* which is useful when creating paged lists.
|
|
*
|
|
* @param string $conditions SQL conditions for matching rows
|
|
* @param string $field Field name (parameter for findAll)
|
|
* @param unknown_type $value
|
|
* @return array Array with keys "prev" and "next" that holds the id's
|
|
*/
|
|
function findNeighbours($conditions = null, $field, $value) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
|
|
if (!is_null($conditions)) {
|
|
$conditions = $conditions . ' AND ';
|
|
}
|
|
|
|
@list($prev) = Model::findAll($conditions . $field . ' < ' . $db->value($value), $field, $field . ' DESC', 1, null, 0);
|
|
@list($next) = Model::findAll($conditions . $field . ' > ' . $db->value($value), $field, $field . ' ASC', 1, null, 0);
|
|
|
|
if (!isset($prev)) {
|
|
$prev = null;
|
|
}
|
|
|
|
if (!isset($next)) {
|
|
$next = null;
|
|
}
|
|
|
|
return array('prev' => $prev, 'next' => $next);
|
|
}
|
|
/**
|
|
* Returns a resultset for given SQL statement. Generic SQL queries should be made with this method.
|
|
*
|
|
* @param string $sql SQL statement
|
|
* @return array Resultset
|
|
*/
|
|
function query() {
|
|
$params = func_get_args();
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
return call_user_func_array(array(&$db, 'query'), $params);
|
|
}
|
|
/**
|
|
* Returns true if all fields pass validation, otherwise false.
|
|
*
|
|
* @param array $data POST data
|
|
* @return boolean True if there are no errors
|
|
*/
|
|
function validates($data = array()) {
|
|
$errors = $this->invalidFields($data);
|
|
return count($errors) == 0;
|
|
}
|
|
/**
|
|
* Returns an array of invalid fields.
|
|
*
|
|
* @param array $data
|
|
* @return array Array of invalid fields
|
|
*/
|
|
function invalidFields($data = array()) {
|
|
if (empty($data)) {
|
|
$data = $this->data;
|
|
}
|
|
|
|
if (!$this->beforeValidate()) {
|
|
return false;
|
|
}
|
|
|
|
if (!isset($this->validate)) {
|
|
return true;
|
|
}
|
|
|
|
if (!empty($data)) {
|
|
$data = $data;
|
|
} elseif (isset($this->data)) {
|
|
$data = $this->data;
|
|
}
|
|
|
|
if (isset($data[$this->name])) {
|
|
$data = $data[$this->name];
|
|
}
|
|
|
|
foreach($this->validate as $field_name => $validator) {
|
|
if (isset($data[$field_name]) && !preg_match($validator, $data[$field_name])) {
|
|
$this->invalidate($field_name);
|
|
}
|
|
}
|
|
return $this->validationErrors;
|
|
}
|
|
/**
|
|
* Sets a field as invalid
|
|
*
|
|
* @param string $field The name of the field to invalidate
|
|
* @return void
|
|
*/
|
|
function invalidate($field) {
|
|
if (!is_array($this->validationErrors)) {
|
|
$this->validationErrors = array();
|
|
}
|
|
$this->validationErrors[$field] = 1;
|
|
}
|
|
/**
|
|
* Returns true if given field name is a foreign key in this Model.
|
|
*
|
|
* @param string $field Returns true if the input string ends in "_id"
|
|
* @return True if the field is a foreign key listed in the belongsTo array.
|
|
*/
|
|
function isForeignKey($field) {
|
|
$foreignKeys = array();
|
|
|
|
if (count($this->belongsTo)) {
|
|
foreach($this->belongsTo as $assoc => $data) {
|
|
$foreignKeys[] = $data['foreignKey'];
|
|
}
|
|
}
|
|
return (bool)(in_array($field, $foreignKeys));
|
|
}
|
|
/**
|
|
* Gets the display field for this model
|
|
*
|
|
* @return string The name of the display field for this Model (i.e. 'name', 'title').
|
|
*/
|
|
function getDisplayField() {
|
|
return $this->displayField;
|
|
}
|
|
/**
|
|
* Returns a resultset array with specified fields from database matching given conditions.
|
|
* Method can be used to generate option lists for SELECT elements.
|
|
*
|
|
* @param mixed $conditions SQL conditions as a string or as an array('field' =>'value',...)
|
|
* @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
|
|
* @param int $limit SQL LIMIT clause, for calculating items per page
|
|
* @param string $keyPath A string path to the key, i.e. "{n}.Post.id"
|
|
* @param string $valuePath A string path to the value, i.e. "{n}.Post.title"
|
|
* @return array An associative array of records, where the id is the key, and the display field is the value
|
|
*/
|
|
function generateList($conditions = null, $order = null, $limit = null, $keyPath = null, $valuePath = null) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
|
|
if ($keyPath == null && $valuePath == null && $this->hasField($this->displayField)) {
|
|
$fields = array($this->primaryKey, $this->displayField);
|
|
} else {
|
|
$fields = null;
|
|
}
|
|
|
|
$result = $this->findAll($conditions, $fields, $order, $limit, 1, 0);
|
|
|
|
if ($keyPath == null) {
|
|
$keyPath = '{n}.' . $this->name . '.' . $this->primaryKey;
|
|
}
|
|
|
|
if ($valuePath == null) {
|
|
$valuePath = '{n}.' . $this->name . '.' . $this->displayField;
|
|
}
|
|
|
|
$keys = $db->getFieldValue($result, $keyPath);
|
|
$vals = $db->getFieldValue($result, $valuePath);
|
|
|
|
if (!empty($keys) && !empty($vals)) {
|
|
$return = array_combine($keys, $vals);
|
|
return $return;
|
|
}
|
|
}
|
|
/**
|
|
* Escapes the field name and prepends the model name. Escaping will be done according to the current database driver's rules.
|
|
*
|
|
* @param unknown_type $field
|
|
* @return string The name of the escaped field for this Model (i.e. id becomes `Post`.`id`).
|
|
*/
|
|
function escapeField($field) {
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
return $db->name($this->name) . '.' . $db->name($field);
|
|
}
|
|
/**
|
|
* Returns the current record's ID
|
|
*
|
|
* @param unknown_type $list
|
|
* @return mixed The ID of the current record
|
|
*/
|
|
function getID($list = 0) {
|
|
if (!is_array($this->id)) {
|
|
return $this->id;
|
|
}
|
|
|
|
if (count($this->id) == 0) {
|
|
return false;
|
|
}
|
|
|
|
if (isset($this->id[$list])) {
|
|
return $this->id[$list];
|
|
}
|
|
|
|
foreach($this->id as $id) {
|
|
return $id;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
/**
|
|
* Returns the ID of the last record this Model inserted
|
|
*
|
|
* @return mixed
|
|
*/
|
|
function getLastInsertID() {
|
|
return $this->getInsertID();
|
|
}
|
|
/**
|
|
* Returns the ID of the last record this Model inserted
|
|
*
|
|
* @return mixed
|
|
*/
|
|
function getInsertID() {
|
|
return $this->__insertID;
|
|
}
|
|
/**
|
|
* Returns the number of rows returned from the last query
|
|
*
|
|
* @return int
|
|
*/
|
|
function getNumRows() {
|
|
//return $this->__numRows;
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
return $db->lastNumRows();
|
|
}
|
|
/**
|
|
* Returns the number of rows affected by the last query
|
|
*
|
|
* @return int
|
|
*/
|
|
function getAffectedRows() {
|
|
//return $this->__affectedRows;
|
|
$db =& ConnectionManager::getDataSource($this->useDbConfig);
|
|
return $db->lastAffected();
|
|
}
|
|
/**
|
|
* Sets the DataSource to which this model is bound
|
|
*
|
|
* @param string $dataSource The name of the DataSource, as defined in Connections.php
|
|
* @return boolean True on success
|
|
*/
|
|
function setDataSource($dataSource = null) {
|
|
if ($dataSource == null) {
|
|
$dataSource = $this->useDbConfig;
|
|
}
|
|
|
|
$db =& ConnectionManager::getDataSource($dataSource);
|
|
|
|
if (!empty($db->config['prefix']) && $this->tablePrefix == null) {
|
|
$this->tablePrefix = $db->config['prefix'];
|
|
}
|
|
|
|
if (empty($db) || $db == null || !is_object($db)) {
|
|
return $this->cakeError('missingConnection', array(array('className' => $this->name)));
|
|
}
|
|
}
|
|
/**
|
|
* Before find callback
|
|
*
|
|
* @param array $queryData Data used to execute this query, i.e. conditions, order, etc.
|
|
* @return boolean True if the operation should continue, false if it should abort
|
|
*/
|
|
function beforeFind(&$queryData) {
|
|
return true;
|
|
}
|
|
/**
|
|
* After find callback. Can be used to modify any results returned by find and findAll.
|
|
*
|
|
* @param mixed $results The results of the find operation
|
|
* @return mixed Result of the find operation
|
|
*/
|
|
function afterFind($results) {
|
|
return $results;
|
|
}
|
|
/**
|
|
* Before save callback
|
|
*
|
|
* @return boolean True if the operation should continue, false if it should abort
|
|
*/
|
|
function beforeSave() {
|
|
return true;
|
|
}
|
|
/**
|
|
* After save callback
|
|
*
|
|
* @return void
|
|
*/
|
|
function afterSave() {
|
|
return true;
|
|
}
|
|
/**
|
|
* Before delete callback
|
|
*
|
|
* @return boolean True if the operation should continue, false if it should abort
|
|
*/
|
|
function beforeDelete() {
|
|
return true;
|
|
}
|
|
/**
|
|
* After delete callback
|
|
*
|
|
* @return void
|
|
*/
|
|
function afterDelete() {
|
|
return true;
|
|
}
|
|
/**
|
|
* Before validate callback
|
|
*
|
|
* @return void
|
|
*/
|
|
function beforeValidate() {
|
|
return true;
|
|
}
|
|
/**
|
|
* Private method. Clears cache for this model
|
|
*
|
|
* @param string $type If null this deletes cached views if CACHE_CHECK is true
|
|
* Will be used to allow deleting query cache also
|
|
* @return boolean true on delete
|
|
*/
|
|
function _clearCache($type = null) {
|
|
if ($type === null) {
|
|
if (defined('CACHE_CHECK') && CACHE_CHECK === true) {
|
|
$assoc[] = strtolower(Inflector::pluralize($this->name));
|
|
|
|
foreach($this->__associations as $key => $asscociation) {
|
|
foreach($this->$asscociation as $key => $className) {
|
|
$check = strtolower(Inflector::pluralize($className['className']));
|
|
|
|
if (!in_array($check, $assoc)) {
|
|
$assoc[] = strtolower(Inflector::pluralize($className['className']));
|
|
}
|
|
}
|
|
}
|
|
clearCache($assoc);
|
|
return true;
|
|
}
|
|
} else {
|
|
//Will use for query cache deleting
|
|
}
|
|
}
|
|
/**
|
|
* Called when serializing a model
|
|
*
|
|
* @return array
|
|
*/
|
|
function __sleep() {
|
|
$return = array_keys(get_object_vars($this));
|
|
return $return;
|
|
}
|
|
}
|
|
|
|
?>
|