By default calling select() will disable auto-fields. You can re-enable
auto-fields with this method.
/**
* Custom finder for distance.
*
* Options:
* - lat (required)
* - lng (required)
* - tableName
* - distance
* - sort
*
* @param \Cake\ORM\Query $query Query.
* @param array $options Array of options as described above
* @return \Cake\ORM\Query
*/
public function findDistance(Query $query, array $options)
{
$options += ['tableName' => null, 'sort' => true];
$sql = $this->distanceExpr($options['lat'], $options['lng'], null, null, $options['tableName']);
if ($query->autoFields() === null) {
$query->autoFields(true);
}
$query->select(['distance' => $query->newExpr($sql)]);
if (isset($options['distance'])) {
// Some SQL versions cannot reuse the select() distance field, so we better reuse the $sql snippet
$query->where(function ($exp) use($sql, $options) {
return $exp->lt($sql, $options['distance']);
});
}
if ($options['sort']) {
$sort = $options['sort'] === true ? 'ASC' : $options['sort'];
$query->order(['distance' => $sort]);
}
return $query;
}
/**
* Helper function used to conditionally append fields to the select clause of
* a query from the fields found in another query object.
*
* @param \Cake\ORM\Query $query the query that will get the fields appended to
* @param \Cake\ORM\Query $surrogate the query having the fields to be copied from
* @param array $options options passed to the method `attachTo`
* @return void
*/
protected function _appendFields($query, $surrogate, $options)
{
$fields = $surrogate->clause('select') ?: $options['fields'];
$target = $this->_targetTable;
$autoFields = $surrogate->autoFields();
if ($query->eagerLoader()->autoFields() === false) {
return;
}
if (empty($fields) && !$autoFields) {
if ($options['includeFields'] && ($fields === null || $fields !== false)) {
$fields = $target->schema()->columns();
}
}
if ($autoFields === true) {
$fields = array_merge((array) $fields, $target->schema()->columns());
}
if (!empty($fields)) {
$query->select($query->aliasFields($fields, $target->alias()));
}
}
/**
* Callback method that listens to the `beforeFind` event in the bound
* table. It modifies the passed query by eager loading the translated fields
* and adding a formatter to copy the values into the main table records.
*
* @param \Cake\Event\Event $event The beforeFind event that was fired.
* @param \Cake\ORM\Query $query Query
* @param \ArrayObject $options The options for the query
* @return void
*/
public function beforeFind(Event $event, Query $query, $options)
{
$locale = $this->locale();
if ($locale === $this->config('defaultLocale')) {
return;
}
$conditions = function ($field, $locale, $query, $select) {
return function ($q) use($field, $locale, $query, $select) {
$q->where([$q->repository()->aliasField('locale') => $locale]);
if ($query->autoFields() || in_array($field, $select, true) || in_array($this->_table->aliasField($field), $select, true)) {
$q->select(['id', 'content']);
}
return $q;
};
};
$contain = [];
$fields = $this->_config['fields'];
$alias = $this->_table->alias();
$select = $query->clause('select');
$changeFilter = isset($options['filterByCurrentLocale']) && $options['filterByCurrentLocale'] !== $this->_config['onlyTranslated'];
foreach ($fields as $field) {
$name = $alias . '_' . $field . '_translation';
$contain[$name]['queryBuilder'] = $conditions($field, $locale, $query, $select);
if ($changeFilter) {
$filter = $options['filterByCurrentLocale'] ? 'INNER' : 'LEFT';
$contain[$name]['joinType'] = $filter;
}
}
$query->contain($contain);
$query->formatResults(function ($results) use($locale) {
return $this->_rowMapper($results, $locale);
}, $query::PREPEND);
}
