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cakephp2-php8/cake/libs/model/model.php
phpnut c5e4f8cd79 [1198] 
Author: phpnut
Date: 7:29:04 PM, Monday, October 24, 2005
Message:
More work on changes to use CamelCase throughout the system. 

[1197]
Author: phpnut
Date: 2:57:08 PM, Monday, October 24, 2005
Message:
Removing unneeded calls to Inflector class

[1196]
Author: phpnut
Date: 2:39:30 PM, Monday, October 24, 2005
Message:
adding fix for Ticket #61


[1195]
Author: phpnut
Date: 11:19:43 AM, Monday, October 24, 2005
Message:
Adding fix for Ticket #47

[1194]
Author: phpnut
Date: 10:10:41 AM, Monday, October 24, 2005
Message:
Adding fix for Ticket #49


git-svn-id: https://svn.cakephp.org/repo/trunk/cake@1199 3807eeeb-6ff5-0310-8944-8be069107fe0
2005-10-25 00:33:08 +00:00

1506 lines
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<?php
/* SVN FILE: $Id$ */
/**
* Object-relational mapper.
*
* DBO-backed object data model, for mapping database tables to Cake objects.
*
* PHP versions 4 and 5
*
* CakePHP : Rapid Development Framework <http://www.cakephp.org/>
* Copyright (c) 2005, CakePHP Authors/Developers
*
* Author(s): Michal Tatarynowicz aka Pies <tatarynowicz@gmail.com>
* Larry E. Masters aka PhpNut <nut@phpnut.com>
* Kamil Dzielinski aka Brego <brego.dk@gmail.com>
*
* Licensed under The MIT License
* Redistributions of files must retain the above copyright notice.
*
* @filesource
* @author CakePHP Authors/Developers
* @copyright Copyright (c) 2005, CakePHP Authors/Developers
* @link https://trac.cakephp.org/wiki/Authors Authors/Developers
* @package cake
* @subpackage cake.cake.libs.model
* @since CakePHP v 0.2.9
* @version $Revision$
* @modifiedby $LastChangedBy$
* @lastmodified $Date$
* @license http://www.opensource.org/licenses/mit-license.php The MIT License
*/
/**
* Enter description here...
*/
uses('object', 'class_registry', 'validators', 'inflector');
/**
* Short description for class
*
* DBO-backed object data model.
* Automatically selects a database table name based on a pluralized lowercase object class name
* (i.e. class 'User' => table 'users'; class 'Man' => table 'men')
* The table is required to have at least 'id auto_increment', 'created datetime',
* and 'modified datetime' fields.
*
* @package cake
* @subpackage cake.cake.libs.model
* @since CakePHP v 0.2.9
*
*/
class Model extends Object
{
/**
* Enter description here...
*
* @var unknown_type
* @access public
*/
var $parent = false;
/**
* Custom database table name
*
* @var string
* @access public
*/
var $useTable = false;
/**
* Enter description here...
*
* @var unknown_type
* @access public
*/
var $id = false;
/**
* Container for the data that this model gets from persistent storage (the database).
*
* @var array
* @access public
*/
var $data = array();
/**
* Table name for this Model.
*
* @var string
* @access public
*/
var $table = false;
/**
* Table metadata
*
* @var array
* @access private
*/
var $_tableInfo = null;
/**
* Array of other Models this Model references in a belongsTo (one-to-one) relationship.
*
* @var array
* @access private
*/
var $_belongsToOther = array();
/**
* Array of other Models this Model references in a hasOne (one-to-one) relationship.
*
* @var array
* @access private
*/
var $_oneToOne = array();
/**
* Array of other Models this Model references in a hasMany (one-to-many) relationship.
*
* @var array
* @access private
*/
var $_oneToMany = array();
/**
* Array of other Models this Model references in a hasAndBelongsToMany (many-to-many) relationship.
*
* @var array
* @access private
*/
var $_manyToMany = array();
/**
* Enter description here...
*
* append entries for validation as ('field_name' => '/^perl_compat_regexp$/') that has to match with preg_match()
* validate with Model::validate()
* @var array
*/
var $validate = array();
/**
* Append entries for validation as ('field_name' => '/^perl_compat_regexp$/') that has to match with preg_match()
* validate with Model::validate()
* @var array
*/
var $validationErrors = null;
/**
* Prefix for tables in model.
*
* @var string
*/
var $tablePrefix = null;
/**
* Name of the model.
*
* @var string
*/
var $name = null;
/**
* Name of the model.
*
* @var string
*/
var $currentModel = null;
/**
* Enter description here...
*
* @var unknown_type
*/
var $tableToModel = array();
/**
* Constructor. Binds the Model's database table to the object.
*
* @param unknown_type $id
* @param string $table Database table to use.
* @param unknown_type $db Database connection object.
*/
function __construct ($id=false, $table=null, $db=null)
{
if($this->name === null)
{
$this->name = get_class($this);
}
$this->currentModel = Inflector::underscore($this->name);
if($db != null)
{
$this->db =& $db;
}
else
{
$dboFactory = DboFactory::getInstance();
$this->db =& $dboFactory ;
if(empty($this->db))
{
$this->_throwMissingConnection();
}
}
$classRegistry =& ClassRegistry::getInstance();
$classRegistry->addObject($this->currentModel, $this);
if ($id)
{
$this->id = $id;
}
$tableName = $table? $table: ($this->useTable? $this->useTable: Inflector::tableize($this->name));
if (in_array('settableprefix', get_class_methods($this->name)))
{
$this->setTablePrefix();
}
$this->tablePrefix? $this->useTable($this->tablePrefix.$tableName): $this->useTable ($tableName);
parent::__construct();
$this->createLinks();
}
/**
* Creates association relationships.
*
*/
function createLinks()
{
if (!empty($this->belongsTo))
{
$this->_belongsToLink();
}
if (!empty($this->hasOne))
{
$this->_hasOneLink();
}
if (!empty($this->hasMany))
{
$this->_hasManyLinks();
}
if (!empty($this->hasAndBelongsToMany))
{
$this->_hasAndBelongsToManyLinks();
}
}
/**
* Enter description here...
*
* @access private
*/
function _belongsToLink()
{
if(is_array($this->belongsTo))
{
foreach ($this->belongsTo as $association => $associationValue)
{
$className = $association;
$this->_associationSwitch($className, $associationValue, 'Belongs');
}
}
else
{
$association = explode(',', $this->belongsTo);
foreach ($association as $className)
{
$this->_constructAssociatedModels($className , 'Belongs');
$this->linkAssociation('Belongs', $className, $this->id);
}
}
}
/**
* Enter description here...
*
* @access private
*/
function _hasOneLink()
{
if(is_array($this->hasOne))
{
foreach ($this->hasOne as $association => $associationValue)
{
$className = $association;
$this->_associationSwitch($className, $associationValue, 'One');
}
}
else
{
$association = explode(',', $this->hasOne);
foreach ($association as $className)
{
$this->_constructAssociatedModels($className , 'One');
$this->linkAssociation('One', $className, $this->id);
}
}
}
/**
* Enter description here...
*
* @access private
*/
function _hasManyLinks()
{
if(is_array($this->hasMany))
{
foreach ($this->hasMany as $association => $associationValue)
{
$className = $association;
$this->_associationSwitch($className, $associationValue, 'Many');
}
}
else
{
$association = explode(',', $this->hasMany);
foreach ($association as $className)
{
$this->_constructAssociatedModels($className , 'Many');
$this->linkAssociation('Many', $className, $this->id);
}
}
}
/**
* Enter description here...
*
* @access private
*/
function _hasAndBelongsToManyLinks()
{
if(is_array($this->hasAndBelongsToMany))
{
foreach ($this->hasAndBelongsToMany as $association => $associationValue)
{
$className = $association;
$this->_associationSwitch($className, $associationValue, 'ManyTo');
}
}
else
{
$association = explode(',', $this->hasAndBelongsToMany);
foreach ($association as $className)
{
$this->_constructAssociatedModels($className , 'ManyTo');
$this->linkAssociation('ManyTo', $className, $this->id);
}
}
}
/**
* Enter description here...
*
* @param unknown_type $className
* @param unknown_type $associationValue
* @param unknown_type $type
* @access private
*/
function _associationSwitch($className, $associationValue, $type)
{
$classCreated = false;
foreach ($associationValue as $option => $optionValue)
{
if (($option === 'className') && ($classCreated === false))
{
$className = $optionValue;
}
if ($classCreated === false)
{
$this->_constructAssociatedModels($className , $type);
$classCreated = true;
}
switch($option)
{
case 'associationForeignKey':
$this->{$className}->{$this->currentModel.'_associationforeignkey'} = $optionValue;
break;
case 'conditions':
$this->{$className}->{$this->currentModel.'_conditions'} = $optionValue;
break;
case 'counterCache':
$this->{$className}->{$this->currentModel.'_countercache'} = $optionValue;
break;
case 'counterSql':
$this->{$className}->{$this->currentModel.'_countersql'} = $optionValue;
break;
case 'deleteSql':
$this->{$className}->{$this->currentModel.'_deletesql'} = $optionValue;
break;
case 'dependent':
$this->{$className}->{$this->currentModel.'_dependent'} = $optionValue;
break;
case 'exclusive':
$this->{$className}->{$this->currentModel.'_exclusive'} = $optionValue;
break;
case 'finderSql':
$this->{$className}->{$this->currentModel.'_findersql'} = $optionValue;
break;
case 'foreignKey':
$this->{$className}->{$this->currentModel.'_foreignkey'} = $optionValue;
break;
case 'insertSql':
$this->{$className}->{$this->currentModel.'_insertsql'} = $optionValue;
break;
case 'joinTable':
$this->{$className}->{$this->currentModel.'_jointable'} = $optionValue;
break;
case 'order':
$this->{$className}->{$this->currentModel.'_order'} = $optionValue;
break;
case 'uniq':
$this->{$className}->{$this->currentModel.'_uniq'} = $optionValue;
break;
case 'fields':
$this->{$className}->{$this->currentModel.'_fields'} = $optionValue;
break;
}
}
$this->linkAssociation($type, $className, $this->id);
}
/**
* Enter description here...
*
* @param unknown_type $className
* @param unknown_type $type
* @access private
*/
function _constructAssociatedModels($className, $type)
{
$collectionKey = Inflector::underscore($className);
$classRegistry =& ClassRegistry::getInstance();
if(!$classRegistry->isKeySet($collectionKey))
{
$this->{$className} = new $className();
}
else
{
$this->{$className} = $classRegistry->getObject($collectionKey);
}
switch($type)
{
case 'Belongs':
$this->{$className}->{$this->currentModel.'_conditions'} = null;
$this->{$className}->{$this->currentModel.'_order'} = null;
$this->{$className}->{$this->currentModel.'_foreignkey'} = Inflector::singularize($this->{$className}->table).'_id';
$this->{$className}->{$this->currentModel.'_countercache'} = null;
break;
case 'One':
$this->{$className}->{$this->currentModel.'_conditions'} = null;
$this->{$className}->{$this->currentModel.'_order'} = null;
$this->{$className}->{$this->currentModel.'_dependent'} = null;
$this->{$className}->{$this->currentModel.'_foreignkey'} = Inflector::singularize($this->table).'_id';
break;
case 'Many':
$this->{$className}->{$this->currentModel.'_conditions'} = null;
$this->{$className}->{$this->currentModel.'_order'} = null;
$this->{$className}->{$this->currentModel.'_foreignkey'} = Inflector::singularize($this->table).'_id';
$this->{$className}->{$this->currentModel.'_fields'} = '*';
$this->{$className}->{$this->currentModel.'_dependent'} = null;
$this->{$className}->{$this->currentModel.'_exclusive'} = null;
$this->{$className}->{$this->currentModel.'_findersql'} = null;
$this->{$className}->{$this->currentModel.'_countersql'} = null;
break;
case 'ManyTo':
$tableSort[0] = $this->table;
$tableSort[1] = $this->{$className}->table;
sort($tableSort);
$joinTable = $tableSort[0] . '_' . $tableSort[1];
$key1 = Inflector::singularize($this->table) . '_id';
$key2 = Inflector::singularize($this->{$className}->table) . '_id';
$this->{$className}->{$this->currentModel.'_jointable'} = $joinTable;
$this->{$className}->{$this->currentModel.'_fields'} = '*';
$this->{$className}->{$this->currentModel.'_foreignkey'} = $key1;
$this->{$className}->{$this->currentModel.'_associationforeignkey'} = $key2;
$this->{$className}->{$this->currentModel.'_conditions'} = null;
$this->{$className}->{$this->currentModel.'_order'} = null;
$this->{$className}->{$this->currentModel.'_uniq'} = null;
$this->{$className}->{$this->currentModel.'_findersql'} = null;
$this->{$className}->{$this->currentModel.'_deletesql'} = null;
$this->{$className}->{$this->currentModel.'_insertsql'} = null;
break;
}
$this->tableToModel[$this->{$className}->table] = $className;
}
/**
* Enter description here...
*
* @param unknown_type $type
* @param unknown_type $tableName
* @param unknown_type $value
*/
function linkAssociation ($type, $model, $value=null)
{
switch ($type)
{
case 'Belongs':
$this->_belongsToOther[] = array($model, $value);
break;
case 'One':
$this->_oneToOne[] = array($model, $value);
break;
case 'Many':
$this->_oneToMany[] = array($model, $value);
break;
case 'ManyTo':
$this->_manyToMany[] = array($model, $value);
break;
}
}
/**
* Sets a custom table for your controller class. Used by your controller to select a database table.
*
* @param string $tableName Name of the custom table
*/
function useTable ($tableName)
{
if (!in_array(strtolower($tableName), $this->db->tables()))
{
$this->_throwMissingTable($tableName);
exit();
}
else
{
$this->table = $tableName;
$this->tableToModel[$this->table] = $this->name;
$this->loadInfo();
}
}
/**
* This function does two things: 1) it scans the array $one for they key 'id',
* and if that's found, it sets the current id to the value of $one[id].
* For all other keys than 'id' the keys and values of $one are copied to the 'data' property of this object.
* 2) Returns an array with all of $one's keys and values.
* (Alternative indata: two strings, which are mangled to
* a one-item, two-dimensional array using $one for a key and $two as its value.)
*
* @param mixed $one Array or string of data
* @param string $two Value string for the alternative indata method
* @return unknown
*/
function set ($one, $two=null)
{
$this->validationErrors = null;
$data = is_array($one)? $one : array($one=>$two);
foreach ($data as $n => $v)
{
foreach ($v as $x => $y)
{
if($x == 'id')
{
$this->id = $y;
}
$this->data[$n][$x] = $y;
}
}
return $data;
}
/**
* Sets current Model id to given $id.
*
* @param int $id Id
*/
function setId ($id)
{
$this->id = $id;
}
/**
* Returns an array of table metadata (column names and types) from the database.
*
* @return array Array of table metadata
*/
function loadInfo ()
{
if (empty($this->_tableInfo))
{
$this->_tableInfo = new NeatArray($this->db->fields($this->table));
}
return $this->_tableInfo;
}
/**
* Returns true if given field name exists in this Model's database table.
* Starts by loading the metadata into the private property table_info if that is not already set.
*
* @param string $name Name of table to look in
* @return boolean
*/
function hasField ($name)
{
if (empty($this->_tableInfo))
{
$this->loadInfo();
}
return $this->_tableInfo->findIn('name', $name);
}
/**
* Returns a list of fields from the database
*
* @param mixed $fields String of single fieldname, or an array of fieldnames.
* @return array Array of database fields
*/
function read ($fields=null)
{
$this->validationErrors = null;
if(is_array($this->id))
{
return $this->id? $this->find("$this->table.id = '{$this->id[0]}'", $fields): false;
}
else
{
return $this->id? $this->find("$this->table.id = '{$this->id}'", $fields): false;
}
}
/**
* Returns contents of a field in a query matching given conditions.
*
* @param string $name Name of field to get
* @param string $conditions SQL conditions (defaults to NULL)
* @return field contents
*/
function field ($name, $conditions=null, $order=null)
{
if ($conditions)
{
$conditions = $this->parseConditions($conditions);
$data = $this->find($conditions, $name, $order);
return $data[$name];
}
elseif (isset($this->data[$name]))
{
return $this->data[$name];
}
else
{
if ($this->id && $data = $this->read($name))
{
return isset($data[$name])? $data[$name]: false;
}
else
{
return false;
}
}
}
/**
* Saves a single field to the database.
*
* @param string $name Name of the table field
* @param mixed $value Value of the field
* @return boolean True on success save
*/
function saveField($name, $value)
{
return Model::save(array($this->table=>array($name=>$value)), false);
}
/**
* Saves model data to the database.
*
* @param array $data Data to save.
* @param boolean $validate
* @return boolean success
*/
function save ($data=null, $validate=true)
{
if ($data)
{
$this->set($data);
}
if ($validate && !$this->validates())
{
return false;
}
$fields = $values = array();
$count = 0;
if(count($this->data) > 1)
{
$weHaveMulti = true;
$joined = false;
}
else
{
$weHaveMulti = false;
}
foreach ($this->data as $n=>$v)
{
if(isset($weHaveMulti) && $count > 0 && !empty($this->_manyToMany))
{
$joined[] = $v;
}
else
{
foreach ($v as $x => $y)
{
if ($this->hasField($x))
{
$fields[] = $x;
$values[] = (ini_get('magic_quotes_gpc') == 1) ?
$this->db->prepare(stripslashes($y)) : $this->db->prepare($y);
if($x == 'id' && !is_numeric($y))
{
$newID = $y;
}
}
}
$count++;
}
}
if (empty($this->id) && $this->hasField('created') && !in_array('created', $fields))
{
$fields[] = 'created';
$values[] = date("'Y-m-d H:i:s'");
}
if ($this->hasField('modified') && !in_array('modified', $fields))
{
$fields[] = 'modified';
$values[] = 'NOW()';
}
if(!$this->exists())
{
$this->id = false;
}
if(count($fields))
{
if(!empty($this->id))
{
$sql = array();
foreach (array_combine($fields, $values) as $field=>$value)
{
$sql[] = $field.'='.$value;
}
$sql = "UPDATE {$this->table} SET ".join(',', $sql)." WHERE id = '{$this->id}'";
if ($this->db->query($sql))
{
if(!empty($joined))
{
$this->_saveMulti($joined, $this->id);
}
$this->data = false;
return true;
}
else
{
return $this->db->hasAny($this->table, "id = '{$this->id}'");
}
}
else
{
$fields = join(',', $fields);
$values = join(',', $values);
$sql = "INSERT INTO {$this->table} ({$fields}) VALUES ({$values})";
if($this->db->query($sql))
{
$this->id = $this->db->lastInsertId($this->table, 'id');
if(!empty($joined))
{
if(!$this->id > 0 && isset($newID))
{
$this->id = $newID;
}
$this->_saveMulti($joined, $this->id);
}
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, $id)
{
foreach ($joined as $x => $y)
{
foreach ($y as $name => $value)
{
$name = Inflector::camelize($name);
$joinTable[] = $this->{$name}->{$this->currentModel.'_jointable'};
$mainKey = $this->{$name}->{$this->currentModel.'_foreignkey'};
$keys[] = $mainKey;
$keys[] = $this->{$name}->{$this->currentModel.'_associationforeignkey'};
$fields[] = join(',', $keys);
unset($keys);
foreach ($value as $update)
{
if(!empty($update))
{
$values[] = (ini_get('magic_quotes_gpc') == 1) ? $this->db->prepare(stripslashes($id)) : $this->db->prepare($id);
$values[] = (ini_get('magic_quotes_gpc') == 1) ? $this->db->prepare(stripslashes($update)) : $this->db->prepare($update);
$values = join(',', $values);
$newValues[] = "({$values})";
unset($values);
}
}
if(!empty($newValues))
{
$newValue[] = join(',', $newValues);
unset($newValues);
}
}
}
for ($count = 0; $count < count($joinTable); $count++)
{
$this->db->query("DELETE FROM {$joinTable[$count]} WHERE $mainKey = '{$id}'");
if(!empty($newValue[$count]))
{
$this->db->query("INSERT INTO {$joinTable[$count]} ({$fields[$count]}) VALUES {$newValue[$count]}");
}
}
}
/**
* Synonym for del().
*
* @param mixed $id
* @see function del
* @return boolean True on success
*/
function remove ($id=null)
{
return $this->del($id);
}
/**
* Removes record for given id. If no id is given, the current id is used. Returns true on success.
*
* @param mixed $id Id of database record to delete
* @return boolean True on success
*/
function del ($id=null)
{
if ($id)
{
$this->id = $id;
}
if ($this->id && $this->db->query("DELETE FROM {$this->table} WHERE id = '{$this->id}'"))
{
$this->id = false;
return true;
}
else
{
return false;
}
}
/**
* Returns true if a record with set id exists.
*
* @return boolean True if such a record exists
*/
function exists ()
{
return $this->id? $this->db->hasAny($this->table, "id = '{$this->id}'"): false;
}
/**
* Returns true if a record that meets given conditions exists
*
* @return boolean True if such a record exists
*/
function hasAny ($conditions = null)
{
return $this->findCount($conditions);
}
/**
* Return a single row as a resultset array.
*
* @param string $conditions SQL conditions
* @param mixed $fields Either a single string of a field name, or an array of field names
* @param string $order SQL ORDER BY conditions (e.g. "price DESC" or "name ASC")
* @return array Array of records
*/
function find ($conditions = null, $fields = null, $order = null)
{
$data = Model::findAll($conditions, $fields, $order, 1);
return empty($data[0])? false: $data[0];
}
/** parses conditions array (or just passes it if it's a string)
* @return string
*
*/
function parseConditions ($conditions)
{
if (is_string($conditions))
{
return $conditions;
}
elseif (is_array($conditions))
{
$out = array();
foreach ($conditions as $key=>$value)
{
$slashedValue = (ini_get('magic_quotes_gpc') == 1) ? $this->db->prepare(stripslashes($value)) : $this->db->prepare($value);
//Should remove the = below so LIKE and other compares can be used
$out[] = "{$key}=".($value===null? 'null': $slashedValue);
}
return join(' and ', $out);
}
else
{
return null;
}
}
/**
* Returns a resultset array with specified fields from database matching given conditions.
*
* @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 $page Page number
* @return array Array of records
*/
function findAll ($conditions = null, $fields = null, $order = null, $limit=50, $page=1)
{
$conditions = $this->parseConditions($conditions);
if (is_array($fields))
{
$f = $fields;
}
elseif ($fields)
{
$f = array($fields);
}
else
{
$f = array('*');
}
$joins = $whers = array();
if(!empty($this->_oneToOne))
{
foreach ($this->_oneToOne as $rule)
{
list($model, $value) = $rule;
if(!empty($this->{$model}->{$this->currentModel.'_foreignkey'}))
{
$oneToOneConditions = $this->parseConditions($this->{$model}->{$this->currentModel.'_conditions'});
$oneToOneOrder = $this->{$model}->{$this->currentModel.'_order'};
$joins[] = "LEFT JOIN {$this->{$model}->table} ON
{$this->{$model}->table}.{$this->{$model}->{$this->currentModel.'_foreignkey'}} = {$this->table}.id"
.($oneToOneConditions? " WHERE {$oneToOneConditions}":null)
.($oneToOneOrder? " ORDER BY {$oneToOneOrder}": null);
}
}
}
if(!empty($this->_belongsToOther))
{
foreach ($this->_belongsToOther as $rule)
{
list($model, $value) = $rule;
if(!empty($this->{$model}->{$this->currentModel.'_foreignkey'}))
{
$belongsToOtherConditions = $this->parseConditions($this->{$model}->{$this->currentModel.'_conditions'});
$belongsToOtherOrder = $this->{$model}->{$this->currentModel.'_order'};
$joins[] = "LEFT JOIN {$this->{$model}->table} ON
{$this->table}.{$this->{$model}->{$this->currentModel.'_foreignkey'}} = {$this->{$model}->table}.id"
.($belongsToOtherConditions? " WHERE {$belongsToOtherConditions}":null)
.($belongsToOtherOrder? " ORDER BY {$belongsToOtherOrder}": null);
}
}
}
$joins = count($joins)? join(' ', $joins): null;
$whers = count($whers)? '('.join(' AND ', $whers).')': null;
$conditions .= ($conditions && $whers? ' AND ': null).$whers;
$offset = $page > 1? ($page-1) * $limit: 0;
$limit_str = $limit
? $this->db->selectLimit($limit, $offset)
: '';
$sql = "SELECT " .join(', ', $f)
." FROM {$this->table} {$joins}"
.($conditions? " WHERE {$conditions}":null)
.($order? " ORDER BY {$order}": null)
.$limit_str;
$data = $this->db->all($sql);
if(!empty($this->_oneToMany))
{
$newValue = $this->_findOneToMany($data);
if(!empty($newValue))
{
$data = $newValue;
}
}
if(!empty($this->_manyToMany))
{
$newValue = $this->_findManyToMany($data);
if(!empty($newValue))
{
$data = $newValue;
}
}
foreach ($data as $key => $value)
{
foreach ($this->tableToModel as $key1 => $value1)
{
if (isset($data[$key][Inflector::singularize($key1)]))
{
$newData[$key][$value1] = $data[$key][Inflector::singularize($key1)];
}
}
}
if (!empty($newData))
{
return $newData;
}
else
{
return $data;
}
}
/**
* Enter description here...
*
* @param unknown_type $data
* @return unknown
*/
function _findOneToMany(&$data)
{
$datacheck = $data;
$original = $data;
foreach ($this->_oneToMany as $rule)
{
$count = 0;
list($model, $value) = $rule;
foreach ($datacheck as $key => $value1)
{
foreach ($value1 as $key2 => $value2)
{
if($key2 === Inflector::singularize($this->table))
{
if($this->{$model}->{$this->currentModel.'_findersql'})
{
$tmpSQL = $this->{$model}->{$this->currentModel.'_findersql'};
}
else
{
$oneToManyConditions = $this->parseConditions($this->{$model}->{$this->currentModel.'_conditions'});
$oneToManyOrder = $this->{$model}->{$this->currentModel.'_order'};
$tmpSQL = "SELECT {$this->{$model}->{$this->currentModel.'_fields'}} FROM {$this->{$model}->table}
WHERE ({$this->{$model}->{$this->currentModel.'_foreignkey'}}) = '{$value2['id']}'"
.($oneToManyConditions? " WHERE {$oneToManyConditions}":null)
.($oneToManyOrder? " ORDER BY {$oneToManyOrder}": null);
}
$oneToManySelect[$this->{$model}->table] = $this->db->all($tmpSQL);
if( !empty($oneToManySelect[$this->{$model}->table]) && is_array($oneToManySelect[$this->{$model}->table]))
{
$newKey = Inflector::singularize($this->{$model}->table);
foreach ($oneToManySelect[$this->{$model}->table] as $key => $value)
{
$oneToManySelect1[$newKey][$key] = $value[$newKey];
}
$merged = array_merge_recursive($data[$count],$oneToManySelect1);
$newdata[$count] = $merged;
unset( $oneToManySelect[$this->{$model}->table], $oneToManySelect1);
}
if(!empty($newdata[$count]))
{
$original[$count] = $newdata[$count];
}
}
}
$count++;
}
if(empty($newValue) && !empty($original))
{
for ($i = 0; $i< count($original); $i++)
{
$newValue[$i] = $original[$i];
}
}
elseif(!empty($original))
{
for ($i = 0; $i< count($original); $i++)
{
$newValue[$i] = array_merge($newValue[$i], $original[$i]);
}
}
}
if(!empty($newValue))
{
return $newValue;
}
}
/**
* Enter description here...
*
* @param unknown_type $data
* @return unknown
*/
function _findManyToMany(&$data)
{
$datacheck = $data;
$original = $data;
foreach ($this->_manyToMany as $rule)
{
$count = 0;
list($model, $value) = $rule;
foreach ($datacheck as $key => $value1)
{
foreach ($value1 as $key2 => $value2)
{
if($key2 === Inflector::singularize($this->table))
{
if( 0 == strncmp($key2, $this->{$model}->{$this->currentModel.'_foreignkey'}, strlen($key2)) )
{
if(!empty ($value2['id']))
{
if($this->{$model}->{$this->currentModel.'_findersql'})
{
$tmpSQL = $this->{$model}->{$this->currentModel.'_findersql'};
}
else
{
$manyToManyConditions = $this->parseConditions($this->{$model}->{$this->currentModel.'_conditions'});
$manyToManyOrder = $this->{$model}->{$this->currentModel.'_order'};
$tmpSQL = "SELECT {$this->{$model}->{$this->currentModel.'_fields'}} FROM {$this->{$model}->table}
JOIN {$this->{$model}->{$this->currentModel.'_jointable'}}
ON {$this->{$model}->{$this->currentModel.'_jointable'}}.
{$this->{$model}->{$this->currentModel.'_foreignkey'}} = '$value2[id]'
AND {$this->{$model}->{$this->currentModel.'_jointable'}}.
{$this->{$model}->{$this->currentModel.'_associationforeignkey'}} = {$this->{$model}->table} .id"
.($manyToManyConditions? " WHERE {$manyToManyConditions}":null)
.($manyToManyOrder? " ORDER BY {$manyToManyOrder}": null);
}
$manyToManySelect[$this->{$model}->table] = $this->db->all($tmpSQL);
}
if( !empty($manyToManySelect[$this->{$model}->table]) && is_array($manyToManySelect[$this->{$model}->table]))
{
$newKey = Inflector::singularize($this->{$model}->table);
foreach ($manyToManySelect[$this->{$model}->table] as $key => $value)
{
$manyToManySelect1[$newKey][$key] = $value[$newKey];
}
$merged = array_merge_recursive($data[$count],$manyToManySelect1);
$newdata[$count] = $merged;
unset( $manyToManySelect[$this->{$model}->table], $manyToManySelect1 );
}
if(!empty($newdata[$count]))
{
$original[$count] = $newdata[$count];
}
}
}
}
$count++;
}
if(empty($newValue2) && !empty($original))
{
for ($i = 0; $i< count($original); $i++)
{
$newValue2[$i] = $original[$i];
}
if(count($this->_manyToMany < 2))
{
$newValue = $newValue2;
}
}
elseif(!empty($original))
{
for ($i = 0; $i< count($original); $i++)
{
$newValue[$i] = array_merge($newValue2[$i], $original[$i]);
}
}
}
if(!empty($newValue))
{
return $newValue;
}
}
/**
* Returns an array of all rows for given SQL statement.
*
* @param string $sql SQL query
* @return array
*/
function findBySql ($sql)
{
return $this->db->all($sql);
}
/**
* Returns number of rows matching given SQL condition.
*
* @param string $conditions SQL conditions (WHERE clause conditions)
* @return int Number of matching rows
*/
function findCount ($conditions)
{
list($data) = Model::findAll($conditions, 'COUNT(*) AS count');
return isset($data[0]['count'])? $data[0]['count']: false;
}
/**
* Enter description here...
*
* @param string $conditions SQL conditions (WHERE clause conditions)
* @param unknown_type $fields
* @return unknown
*/
function findAllThreaded ($conditions=null, $fields=null, $sort=null)
{
return $this->_doThread(Model::findAll($conditions, $fields, $sort), null);
}
/**
* Enter description here...
*
* @param unknown_type $data
* @param unknown_type $root NULL or id for root node of operation
* @return array
* @access private
*/
function _doThread ($data, $root)
{
$out = array();
for ($ii=0; $ii<sizeof($data); $ii++)
{
if ($data[$ii]['parent_id'] == $root)
{
$tmp = $data[$ii];
$tmp['children'] = isset($data[$ii]['id'])? $this->_doThread($data, $data[$ii]['id']): 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 unknown_type $field
* @param unknown_type $value
* @return array Array with keys "prev" and "next" that holds the id's
*/
function findNeighbours ($conditions, $field, $value)
{
@list($prev) = Model::findAll($conditions." AND {$field} < '{$value}'", $field, "{$field} DESC", 1);
@list($next) = Model::findAll($conditions." AND {$field} > '{$value}'", $field, "{$field} ASC", 1);
$prev = isset($prev) ? $prev: false;
$next = isset($next) ? $next: false;
return array('prev'=>$prev, 'next'=>$next);
}
/**
* Returns a resultset for given SQL statement.
*
* @param string $sql SQL statement
* @return array Resultset
*/
function query ($sql)
{
return $this->db->query($sql);
}
/**
* Returns true if all fields pass validation.
*
* @param array $data POST data
* @return boolean True if there are no errors
*/
function validates ($data=null)
{
$errors = count($this->invalidFields($data? $data: $this->data));
return $errors == 0;
}
/**
* Returns an array of invalid fields.
*
* @param array $data Posted data
* @return array Array of invalid fields
*/
function invalidFields ($data=null)
{
return $this->_invalidFields($data);
}
/**
* Returns an array of invalid fields.
*
* @param array $data
* @return array Array of invalid fields
* @access private
*/
function _invalidFields ($data=null)
{
if (!isset($this->validate))
{
return true;
}
if (is_array($this->validationErrors))
{
return $this->validationErrors;
}
$data = ($data? $data: (isset($this->data)? $this->data: array()));
$errors = array();
foreach ($data as $table => $field)
{
foreach ($this->validate as $field_name=>$validator)
{
if (isset($data[$table][$field_name]) && !preg_match($validator, $data[$table][$field_name]))
{
$errors[$field_name] = 1;
}
}
$this->validationErrors = $errors;
return $errors;
}
}
/**
* This function determines whether or not a string is a foreign key
*
* @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 )
{
$foreignKeys = array();
if(!empty($this->_belongsToOther))
{
foreach ($this->_belongsToOther as $rule)
{
list($model, $value) = $rule;
$foreignKeys[$this->{$model}->{$this->currentModel.'_foreignkey'}] = $this->{$model}->{$this->currentModel.'_foreignkey'};
}
}
if( array_key_exists($field, $foreignKeys) )
{
return true;
}
return false;
}
/**
* Enter description here...
*
* @return unknown
*/
function getDisplayField()
{
// $displayField defaults to 'name'
$dispField = 'name';
// If the $displayField variable is set in this model, use it.
if( isset( $this->displayField ) ) {
$dispField = $this->displayField;
}
// And if the display field does not exist in the table info structure, use the ID field.
if( false == $this->hasField( $dispField ) )
$dispField = 'id';
return $dispField;
}
/**
* Enter description here...
*
* @return unknown
*/
function getLastInsertID()
{
return $this->db->lastInsertId($this->table, 'id');
}
/**
* Enter description here...
*
* @param unknown_type $tableName
*/
function _throwMissingTable($tableName)
{
$error =& new AppController();
$error->missingTable = $this->table;
call_user_func_array(array(&$error, 'missingTable'), $tableName);
exit;
}
/**
* Enter description here...
*
*/
function _throwMissingConnection()
{
$error =& new AppController();
$error->missingConnection = $this->name;
call_user_func_array(array(&$error, 'missingConnection'), null);
exit;
}
}
?>
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