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Merge pull request #2518 from bar/2.5-dbosource-getconstraint

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Document DboSource::getConstraint().
This commit is contained in:
Mark Story 2013-12-21 05:43:52 -08:00
commit 99c8503578
1 changed files with 37 additions and 35 deletions
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72
lib/Cake/Model/Datasource/DboSource.php
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@ -1715,51 +1715,53 @@ class DboSource extends DataSource {
}
/**
* Returns a conditions array for the constraint between two models
* Returns a conditions array for the constraint between two models.
*
* @param string $type Association type
* @param Model $Model Model object
* @param string $linkModel
* @param string $alias
* @param array $assoc
* @param string $alias2
* @return array Conditions array defining the constraint between $Model and $association
* @param string $type Association type.
* @param Model $Model Primary Model object.
* @param Model $LinkModel Linked model object.
* @param string $association Association name.
* @param array $assocData Association data.
* @param string $association2 HABTM association name.
* @return array Conditions array defining the constraint between $Model and $LinkModel.
*/
public function getConstraint($type, Model $Model, $linkModel, $alias, $assoc, $alias2 = null) {
$assoc += array('external' => false);
public function getConstraint($type, Model $Model, Model $LinkModel, $association, $assocData, $association2 = null) {
$assocData += array('external' => false);
if (empty($assoc['foreignKey'])) {
if (empty($assocData['foreignKey'])) {
return array();
}
switch (true) {
case ($type === 'hasOne' && $assoc['external']):
return array(
"{$alias}.{$assoc['foreignKey']}" => '{$__cakeID__$}'
);
case ($type === 'hasOne' && !$assoc['external']):
return array(
"{$alias}.{$assoc['foreignKey']}" => $this->identifier("{$Model->alias}.{$Model->primaryKey}")
);
case ($type === 'belongsTo' && $assoc['external']):
return array(
"{$alias}.{$linkModel->primaryKey}" => '{$__cakeForeignKey__$}'
);
case ($type === 'belongsTo' && !$assoc['external']):
return array(
"{$Model->alias}.{$assoc['foreignKey']}" => $this->identifier("{$alias}.{$linkModel->primaryKey}")
);
case ($type === 'hasMany'):
return array(
"{$alias}.{$assoc['foreignKey']}" => array('{$__cakeID__$}')
);
case ($type === 'hasAndBelongsToMany'):
switch ($type) {
case 'hasOne':
if ($assocData['external']) {
return array(
"{$association}.{$assocData['foreignKey']}" => '{$__cakeID__$}'
);
} else {
return array(
"{$association}.{$assocData['foreignKey']}" => $this->identifier("{$Model->alias}.{$Model->primaryKey}")
);
}
case 'belongsTo':
if ($assocData['external']) {
return array(
"{$association}.{$LinkModel->primaryKey}" => '{$__cakeForeignKey__$}'
);
} else {
return array(
"{$Model->alias}.{$assocData['foreignKey']}" => $this->identifier("{$association}.{$LinkModel->primaryKey}")
);
}
case 'hasMany':
return array("{$association}.{$assocData['foreignKey']}" => array('{$__cakeID__$}'));
case 'hasAndBelongsToMany':
return array(
array(
"{$alias}.{$assoc['foreignKey']}" => '{$__cakeID__$}'
"{$association}.{$assocData['foreignKey']}" => '{$__cakeID__$}'
),
array(
"{$alias}.{$assoc['associationForeignKey']}" => $this->identifier("{$alias2}.{$linkModel->primaryKey}")
"{$association}.{$assocData['associationForeignKey']}" => $this->identifier("{$association2}.{$LinkModel->primaryKey}")
)
);
}