Mini Shell
<?php
/**
* CakePHP(tm) : Rapid Development Framework (http://cakephp.org)
* Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
*
* Licensed under The MIT License
* For full copyright and license information, please see the LICENSE.txt
* Redistributions of files must retain the above copyright notice.
*
* @copyright Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
* @link http://cakephp.org CakePHP(tm) Project
* @package Cake.Model.Behavior
* @since CakePHP(tm) v 1.2.0.4525
* @license http://www.opensource.org/licenses/mit-license.php MIT License
*/
App::uses('ModelBehavior', 'Model');
App::uses('I18n', 'I18n');
App::uses('I18nModel', 'Model');
/**
* Translate behavior
*
* @package Cake.Model.Behavior
* @link http://book.cakephp.org/2.0/en/core-libraries/behaviors/translate.html
*/
class TranslateBehavior extends ModelBehavior {
/**
* Used for runtime configuration of model
*
* @var array
*/
public $runtime = array();
/**
* Stores the joinTable object for generating joins.
*
* @var object
*/
protected $_joinTable;
/**
* Stores the runtime model for generating joins.
*
* @var Model
*/
protected $_runtimeModel;
/**
* Callback
*
* $config for TranslateBehavior should be
* array('fields' => array('field_one',
* 'field_two' => 'FieldAssoc', 'field_three'))
*
* With above example only one permanent hasMany will be joined (for field_two
* as FieldAssoc)
*
* $config could be empty - and translations configured dynamically by
* bindTranslation() method
*
* @param Model $Model Model the behavior is being attached to.
* @param array $config Array of configuration information.
* @return mixed
*/
public function setup(Model $Model, $config = array()) {
$db = ConnectionManager::getDataSource($Model->useDbConfig);
if (!$db->connected) {
trigger_error(
__d('cake_dev', 'Datasource %s for TranslateBehavior of model %s is not connected', $Model->useDbConfig, $Model->alias),
E_USER_ERROR
);
return false;
}
$this->settings[$Model->alias] = array();
$this->runtime[$Model->alias] = array('fields' => array());
$this->translateModel($Model);
return $this->bindTranslation($Model, $config, false);
}
/**
* Cleanup Callback unbinds bound translations and deletes setting information.
*
* @param Model $Model Model being detached.
* @return void
*/
public function cleanup(Model $Model) {
$this->unbindTranslation($Model);
unset($this->settings[$Model->alias]);
unset($this->runtime[$Model->alias]);
}
/**
* beforeFind Callback
*
* @param Model $Model Model find is being run on.
* @param array $query Array of Query parameters.
* @return array Modified query
*/
public function beforeFind(Model $Model, $query) {
$this->runtime[$Model->alias]['virtualFields'] = $Model->virtualFields;
$locale = $this->_getLocale($Model);
if (empty($locale)) {
return $query;
}
$db = $Model->getDataSource();
$RuntimeModel = $this->translateModel($Model);
if (!empty($RuntimeModel->tablePrefix)) {
$tablePrefix = $RuntimeModel->tablePrefix;
} else {
$tablePrefix = $db->config['prefix'];
}
$joinTable = new StdClass();
$joinTable->tablePrefix = $tablePrefix;
$joinTable->table = $RuntimeModel->table;
$joinTable->schemaName = $RuntimeModel->getDataSource()->getSchemaName();
$this->_joinTable = $joinTable;
$this->_runtimeModel = $RuntimeModel;
if (is_string($query['fields']) && $query['fields'] === "COUNT(*) AS {$db->name('count')}") {
$query['fields'] = "COUNT(DISTINCT({$db->name($Model->escapeField())})) {$db->alias}count";
$query['joins'][] = array(
'type' => 'INNER',
'alias' => $RuntimeModel->alias,
'table' => $joinTable,
'conditions' => array(
$Model->escapeField() => $db->identifier($RuntimeModel->escapeField('foreign_key')),
$RuntimeModel->escapeField('model') => $Model->name,
$RuntimeModel->escapeField('locale') => $locale
)
);
$conditionFields = $this->_checkConditions($Model, $query);
foreach ($conditionFields as $field) {
$query = $this->_addJoin($Model, $query, $field, $field, $locale);
}
unset($this->_joinTable, $this->_runtimeModel);
return $query;
} elseif (is_string($query['fields'])) {
$query['fields'] = CakeText::tokenize($query['fields']);
}
$fields = array_merge(
$this->settings[$Model->alias],
$this->runtime[$Model->alias]['fields']
);
$addFields = array();
if (empty($query['fields'])) {
$addFields = $fields;
} elseif (is_array($query['fields'])) {
$isAllFields = (
in_array($Model->alias . '.' . '*', $query['fields']) ||
in_array($Model->escapeField('*'), $query['fields'])
);
foreach ($fields as $key => $value) {
$field = (is_numeric($key)) ? $value : $key;
if ($isAllFields ||
in_array($Model->alias . '.' . $field, $query['fields']) ||
in_array($field, $query['fields'])
) {
$addFields[] = $field;
}
}
}
$this->runtime[$Model->alias]['virtualFields'] = $Model->virtualFields;
if ($addFields) {
foreach ($addFields as $_f => $field) {
$aliasField = is_numeric($_f) ? $field : $_f;
foreach (array($aliasField, $Model->alias . '.' . $aliasField) as $_field) {
$key = array_search($_field, (array)$query['fields']);
if ($key !== false) {
unset($query['fields'][$key]);
}
}
$query = $this->_addJoin($Model, $query, $field, $aliasField, $locale);
}
}
$this->runtime[$Model->alias]['beforeFind'] = $addFields;
unset($this->_joinTable, $this->_runtimeModel);
return $query;
}
/**
* Check a query's conditions for translated fields.
* Return an array of translated fields found in the conditions.
*
* @param Model $Model The model being read.
* @param array $query The query array.
* @return array The list of translated fields that are in the conditions.
*/
protected function _checkConditions(Model $Model, $query) {
$conditionFields = array();
if (empty($query['conditions']) || (!empty($query['conditions']) && !is_array($query['conditions']))) {
return $conditionFields;
}
foreach ($query['conditions'] as $col => $val) {
foreach ($this->settings[$Model->alias] as $field => $assoc) {
if (is_numeric($field)) {
$field = $assoc;
}
if (strpos($col, $field) !== false) {
$conditionFields[] = $field;
}
}
}
return $conditionFields;
}
/**
* Appends a join for translated fields.
*
* @param Model $Model The model being worked on.
* @param array $query The query array to append a join to.
* @param string $field The field name being joined.
* @param string $aliasField The aliased field name being joined.
* @param string|array $locale The locale(s) having joins added.
* @return array The modified query
*/
protected function _addJoin(Model $Model, $query, $field, $aliasField, $locale) {
$db = ConnectionManager::getDataSource($Model->useDbConfig);
$RuntimeModel = $this->_runtimeModel;
$joinTable = $this->_joinTable;
$aliasVirtual = "i18n_{$field}";
$alias = "I18n__{$field}";
if (is_array($locale)) {
foreach ($locale as $_locale) {
$aliasVirtualLocale = "{$aliasVirtual}_{$_locale}";
$aliasLocale = "{$alias}__{$_locale}";
$Model->virtualFields[$aliasVirtualLocale] = "{$aliasLocale}.content";
if (!empty($query['fields']) && is_array($query['fields'])) {
$query['fields'][] = $aliasVirtualLocale;
}
$query['joins'][] = array(
'type' => 'LEFT',
'alias' => $aliasLocale,
'table' => $joinTable,
'conditions' => array(
$Model->escapeField() => $db->identifier("{$aliasLocale}.foreign_key"),
"{$aliasLocale}.model" => $Model->name,
"{$aliasLocale}.{$RuntimeModel->displayField}" => $aliasField,
"{$aliasLocale}.locale" => $_locale
)
);
}
} else {
$Model->virtualFields[$aliasVirtual] = "{$alias}.content";
if (!empty($query['fields']) && is_array($query['fields'])) {
$query['fields'][] = $aliasVirtual;
}
$query['joins'][] = array(
'type' => 'INNER',
'alias' => $alias,
'table' => $joinTable,
'conditions' => array(
"{$Model->alias}.{$Model->primaryKey}" => $db->identifier("{$alias}.foreign_key"),
"{$alias}.model" => $Model->name,
"{$alias}.{$RuntimeModel->displayField}" => $aliasField,
"{$alias}.locale" => $locale
)
);
}
return $query;
}
/**
* afterFind Callback
*
* @param Model $Model Model find was run on
* @param array $results Array of model results.
* @param bool $primary Did the find originate on $model.
* @return array Modified results
*/
public function afterFind(Model $Model, $results, $primary = false) {
$Model->virtualFields = $this->runtime[$Model->alias]['virtualFields'];
$this->runtime[$Model->alias]['virtualFields'] = $this->runtime[$Model->alias]['fields'] = array();
if (!empty($this->runtime[$Model->alias]['restoreFields'])) {
$this->runtime[$Model->alias]['fields'] = $this->runtime[$Model->alias]['restoreFields'];
unset($this->runtime[$Model->alias]['restoreFields']);
}
$locale = $this->_getLocale($Model);
if (empty($locale) || empty($results) || empty($this->runtime[$Model->alias]['beforeFind'])) {
return $results;
}
$beforeFind = $this->runtime[$Model->alias]['beforeFind'];
foreach ($results as $key => &$row) {
$results[$key][$Model->alias]['locale'] = (is_array($locale)) ? current($locale) : $locale;
foreach ($beforeFind as $_f => $field) {
$aliasField = is_numeric($_f) ? $field : $_f;
$aliasVirtual = "i18n_{$field}";
if (is_array($locale)) {
foreach ($locale as $_locale) {
$aliasVirtualLocale = "{$aliasVirtual}_{$_locale}";
if (!isset($row[$Model->alias][$aliasField]) && !empty($row[$Model->alias][$aliasVirtualLocale])) {
$row[$Model->alias][$aliasField] = $row[$Model->alias][$aliasVirtualLocale];
$row[$Model->alias]['locale'] = $_locale;
}
unset($row[$Model->alias][$aliasVirtualLocale]);
}
if (!isset($row[$Model->alias][$aliasField])) {
$row[$Model->alias][$aliasField] = '';
}
} else {
$value = '';
if (isset($row[$Model->alias][$aliasVirtual])) {
$value = $row[$Model->alias][$aliasVirtual];
}
$row[$Model->alias][$aliasField] = $value;
unset($row[$Model->alias][$aliasVirtual]);
}
}
}
return $results;
}
/**
* beforeValidate Callback
*
* @param Model $Model Model invalidFields was called on.
* @param array $options Options passed from Model::save().
* @return bool
* @see Model::save()
*/
public function beforeValidate(Model $Model, $options = array()) {
unset($this->runtime[$Model->alias]['beforeSave']);
$this->_setRuntimeData($Model);
return true;
}
/**
* beforeSave callback.
*
* Copies data into the runtime property when `$options['validate']` is
* disabled. Or the runtime data hasn't been set yet.
*
* @param Model $Model Model save was called on.
* @param array $options Options passed from Model::save().
* @return bool true.
* @see Model::save()
*/
public function beforeSave(Model $Model, $options = array()) {
if (isset($options['validate']) && !$options['validate']) {
unset($this->runtime[$Model->alias]['beforeSave']);
}
if (isset($this->runtime[$Model->alias]['beforeSave'])) {
return true;
}
$this->_setRuntimeData($Model);
return true;
}
/**
* Sets the runtime data.
*
* Used from beforeValidate() and beforeSave() for compatibility issues,
* and to allow translations to be persisted even when validation
* is disabled.
*
* @param Model $Model Model using this behavior.
* @return void
*/
protected function _setRuntimeData(Model $Model) {
$locale = $this->_getLocale($Model);
if (empty($locale)) {
return true;
}
$fields = array_merge($this->settings[$Model->alias], $this->runtime[$Model->alias]['fields']);
$tempData = array();
foreach ($fields as $key => $value) {
$field = (is_numeric($key)) ? $value : $key;
if (isset($Model->data[$Model->alias][$field])) {
$tempData[$field] = $Model->data[$Model->alias][$field];
if (is_array($Model->data[$Model->alias][$field])) {
if (is_string($locale) && !empty($Model->data[$Model->alias][$field][$locale])) {
$Model->data[$Model->alias][$field] = $Model->data[$Model->alias][$field][$locale];
} else {
$values = array_values($Model->data[$Model->alias][$field]);
$Model->data[$Model->alias][$field] = $values[0];
}
}
}
}
$this->runtime[$Model->alias]['beforeSave'] = $tempData;
}
/**
* Restores model data to the original data.
* This solves issues with saveAssociated and validate = first.
*
* @param Model $Model Model using this behavior.
* @return void
*/
public function afterValidate(Model $Model) {
$Model->data[$Model->alias] = array_merge(
$Model->data[$Model->alias],
$this->runtime[$Model->alias]['beforeSave']
);
return true;
}
/**
* afterSave Callback
*
* @param Model $Model Model the callback is called on
* @param bool $created Whether or not the save created a record.
* @param array $options Options passed from Model::save().
* @return void
*/
public function afterSave(Model $Model, $created, $options = array()) {
if (!isset($this->runtime[$Model->alias]['beforeValidate']) && !isset($this->runtime[$Model->alias]['beforeSave'])) {
return true;
}
if (isset($this->runtime[$Model->alias]['beforeValidate'])) {
$tempData = $this->runtime[$Model->alias]['beforeValidate'];
} else {
$tempData = $this->runtime[$Model->alias]['beforeSave'];
}
unset($this->runtime[$Model->alias]['beforeValidate'], $this->runtime[$Model->alias]['beforeSave']);
$conditions = array('model' => $Model->name, 'foreign_key' => $Model->id);
$RuntimeModel = $this->translateModel($Model);
if ($created) {
$tempData = $this->_prepareTranslations($Model, $tempData);
}
$locale = $this->_getLocale($Model);
$atomic = array();
if (isset($options['atomic'])) {
$atomic = array('atomic' => $options['atomic']);
}
foreach ($tempData as $field => $value) {
unset($conditions['content']);
$conditions['field'] = $field;
if (is_array($value)) {
$conditions['locale'] = array_keys($value);
} else {
$conditions['locale'] = $locale;
if (is_array($locale)) {
$value = array($locale[0] => $value);
} else {
$value = array($locale => $value);
}
}
$translations = $RuntimeModel->find('list', array(
'conditions' => $conditions,
'fields' => array(
$RuntimeModel->alias . '.locale',
$RuntimeModel->alias . '.id'
)
));
foreach ($value as $_locale => $_value) {
$RuntimeModel->create();
$conditions['locale'] = $_locale;
$conditions['content'] = $_value;
if (array_key_exists($_locale, $translations)) {
$RuntimeModel->save(array(
$RuntimeModel->alias => array_merge(
$conditions, array('id' => $translations[$_locale])
),
$atomic
));
} else {
$RuntimeModel->save(array($RuntimeModel->alias => $conditions), $atomic);
}
}
}
}
/**
* Prepares the data to be saved for translated records.
* Add blank fields, and populates data for multi-locale saves.
*
* @param Model $Model Model using this behavior
* @param array $data The sparse data that was provided.
* @return array The fully populated data to save.
*/
protected function _prepareTranslations(Model $Model, $data) {
$fields = array_merge($this->settings[$Model->alias], $this->runtime[$Model->alias]['fields']);
$locales = array();
foreach ($data as $key => $value) {
if (is_array($value)) {
$locales = array_merge($locales, array_keys($value));
}
}
$locales = array_unique($locales);
$hasLocales = count($locales) > 0;
foreach ($fields as $key => $field) {
if (!is_numeric($key)) {
$field = $key;
}
if ($hasLocales && !isset($data[$field])) {
$data[$field] = array_fill_keys($locales, '');
} elseif (!isset($data[$field])) {
$data[$field] = '';
}
}
return $data;
}
/**
* afterDelete Callback
*
* @param Model $Model Model the callback was run on.
* @return void
*/
public function afterDelete(Model $Model) {
$RuntimeModel = $this->translateModel($Model);
$conditions = array('model' => $Model->name, 'foreign_key' => $Model->id);
$RuntimeModel->deleteAll($conditions);
}
/**
* Get selected locale for model
*
* @param Model $Model Model the locale needs to be set/get on.
* @return mixed string or false
*/
protected function _getLocale(Model $Model) {
if (!isset($Model->locale) || $Model->locale === null) {
$I18n = I18n::getInstance();
$I18n->l10n->get(Configure::read('Config.language'));
$Model->locale = $I18n->l10n->locale;
}
return $Model->locale;
}
/**
* Get instance of model for translations.
*
* If the model has a translateModel property set, this will be used as the class
* name to find/use. If no translateModel property is found 'I18nModel' will be used.
*
* @param Model $Model Model to get a translatemodel for.
* @return Model
*/
public function translateModel(Model $Model) {
if (!isset($this->runtime[$Model->alias]['model'])) {
if (!isset($Model->translateModel) || empty($Model->translateModel)) {
$className = 'I18nModel';
} else {
$className = $Model->translateModel;
}
$this->runtime[$Model->alias]['model'] = ClassRegistry::init($className);
}
if (!empty($Model->translateTable) && $Model->translateTable !== $this->runtime[$Model->alias]['model']->useTable) {
$this->runtime[$Model->alias]['model']->setSource($Model->translateTable);
} elseif (empty($Model->translateTable) && empty($Model->translateModel)) {
$this->runtime[$Model->alias]['model']->setSource('i18n');
}
return $this->runtime[$Model->alias]['model'];
}
/**
* Bind translation for fields, optionally with hasMany association for
* fake field.
*
* *Note* You should avoid binding translations that overlap existing model properties.
* This can cause un-expected and un-desirable behavior.
*
* @param Model $Model using this behavior of model
* @param string|array $fields string with field or array(field1, field2=>AssocName, field3)
* @param bool $reset Leave true to have the fields only modified for the next operation.
* if false the field will be added for all future queries.
* @return bool
* @throws CakeException when attempting to bind a translating called name. This is not allowed
* as it shadows Model::$name.
*/
public function bindTranslation(Model $Model, $fields, $reset = true) {
if (is_string($fields)) {
$fields = array($fields);
}
$associations = array();
$RuntimeModel = $this->translateModel($Model);
$default = array(
'className' => $RuntimeModel->alias,
'foreignKey' => 'foreign_key',
'order' => 'id'
);
foreach ($fields as $key => $value) {
if (is_numeric($key)) {
$field = $value;
$association = null;
} else {
$field = $key;
$association = $value;
}
if ($association === 'name') {
throw new CakeException(
__d('cake_dev', 'You cannot bind a translation named "name".')
);
}
$this->_removeField($Model, $field);
if ($association === null) {
if ($reset) {
$this->runtime[$Model->alias]['fields'][] = $field;
} else {
$this->settings[$Model->alias][] = $field;
}
} else {
if ($reset) {
$this->runtime[$Model->alias]['fields'][$field] = $association;
$this->runtime[$Model->alias]['restoreFields'][] = $field;
} else {
$this->settings[$Model->alias][$field] = $association;
}
foreach (array('hasOne', 'hasMany', 'belongsTo', 'hasAndBelongsToMany') as $type) {
if (isset($Model->{$type}[$association]) || isset($Model->__backAssociation[$type][$association])) {
trigger_error(
__d('cake_dev', 'Association %s is already bound to model %s', $association, $Model->alias),
E_USER_ERROR
);
return false;
}
}
$associations[$association] = array_merge($default, array('conditions' => array(
'model' => $Model->name,
$RuntimeModel->displayField => $field
)));
}
}
if (!empty($associations)) {
$Model->bindModel(array('hasMany' => $associations), $reset);
}
return true;
}
/**
* Update runtime setting for a given field.
*
* @param Model $Model Model using this behavior
* @param string $field The field to update.
* @return void
*/
protected function _removeField(Model $Model, $field) {
if (array_key_exists($field, $this->settings[$Model->alias])) {
unset($this->settings[$Model->alias][$field]);
} elseif (in_array($field, $this->settings[$Model->alias])) {
$this->settings[$Model->alias] = array_merge(array_diff($this->settings[$Model->alias], array($field)));
}
if (array_key_exists($field, $this->runtime[$Model->alias]['fields'])) {
unset($this->runtime[$Model->alias]['fields'][$field]);
} elseif (in_array($field, $this->runtime[$Model->alias]['fields'])) {
$this->runtime[$Model->alias]['fields'] = array_merge(array_diff($this->runtime[$Model->alias]['fields'], array($field)));
}
}
/**
* Unbind translation for fields, optionally unbinds hasMany association for
* fake field
*
* @param Model $Model using this behavior of model
* @param string|array $fields string with field, or array(field1, field2=>AssocName, field3), or null for
* unbind all original translations
* @return bool
*/
public function unbindTranslation(Model $Model, $fields = null) {
if (empty($fields) && empty($this->settings[$Model->alias])) {
return false;
}
if (empty($fields)) {
return $this->unbindTranslation($Model, $this->settings[$Model->alias]);
}
if (is_string($fields)) {
$fields = array($fields);
}
$associations = array();
foreach ($fields as $key => $value) {
if (is_numeric($key)) {
$field = $value;
$association = null;
} else {
$field = $key;
$association = $value;
}
$this->_removeField($Model, $field);
if ($association !== null && (isset($Model->hasMany[$association]) || isset($Model->__backAssociation['hasMany'][$association]))) {
$associations[] = $association;
}
}
if (!empty($associations)) {
$Model->unbindModel(array('hasMany' => $associations), false);
}
return true;
}
}
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