/**
* Validates the given field for the reference type.
*
* @param string $field
* the field to validate
* @param CRUDData $data
* the data instance to work with
* @param array &$fieldErrors
* the error collecting array
* @param boolean &$valid
* the validation flag
*/
private function validateReference($field, CRUDData $data, &$fieldErrors, &$valid)
{
$type = $this->definition->getType($field);
if ($type == 'reference' && $this->entity[$field] !== '' && $this->entity[$field] !== null) {
$params = array('id' => $this->entity[$field]);
$paramsOperators = array('id' => '=');
$amount = $data->countBy($this->definition->getReferenceTable($field), $params, $paramsOperators, false);
if ($amount == 0) {
$fieldErrors[$field]['input'] = true;
$valid = false;
}
}
}
/**
* Validates the entity against the definition.
*
* @param CRUDData $data
* the data access instance used for counting things
*
* @return array
* an array with the fields "valid" and "errors"; valid provides a quick
* check whether the given entity passes the validation and errors is an
* array with all fields as keys and arrays as values; this field arrays
* contain three keys: required, unique and input; each of them represents
* with a boolean whether the input is ok in that way; if "required" is
* true, the field wasn't set, unique means the uniqueness of the field in
* the datasource and input is used to indicate whether the form of the
* value is correct (a valid int, date, depending on the type in the
* definition)
*/
public function validate(CRUDData $data)
{
$fields = $this->definition->getEditableFieldNames();
$errors = array();
$valid = true;
foreach ($fields as $field) {
$errors[$field] = array('required' => false, 'unique' => false, 'input' => false);
// Check for required
if ($this->definition->isRequired($field) && !$this->definition->getFixedValue($field) && (!key_exists($field, $this->entity) || $this->entity[$field] === null || $this->entity[$field] === '')) {
$errors[$field]['required'] = true;
$valid = false;
}
// Check for uniqueness
if ($this->definition->isUnique($field) && key_exists($field, $this->entity) && $this->entity[$field]) {
$params = array($field => $this->entity[$field]);
$paramsOperators = array($field => '=');
if ($this->entity['id'] !== null) {
$params['id'] = $this->entity['id'];
$paramsOperators['id'] = '!=';
}
$amount = intval($data->countBy($this->definition->getTable(), $params, $paramsOperators, true));
if ($amount > 0) {
$errors[$field]['unique'] = true;
$valid = false;
}
}
// Check for set type
$type = $this->definition->getType($field);
if ($type == 'set' && $this->entity[$field]) {
$setItems = $this->definition->getSetItems($field);
if (!in_array($this->entity[$field], $setItems)) {
$errors[$field]['input'] = true;
$valid = false;
}
}
// Check for int type
$type = $this->definition->getType($field);
if ($type == 'int' && $this->entity[$field] !== '' && $this->entity[$field] !== null && (string) (int) $this->entity[$field] != $this->entity[$field]) {
$errors[$field]['input'] = true;
$valid = false;
}
// Check for float type
$type = $this->definition->getType($field);
if ($type == 'float' && $this->entity[$field] !== '' && $this->entity[$field] !== null && (string) (double) $this->entity[$field] != $this->entity[$field]) {
$errors[$field]['input'] = true;
$valid = false;
}
// Check for date type
if ($type == 'date' && $this->entity[$field] && \DateTime::createFromFormat('Y-m-d', $this->entity[$field]) === false) {
$errors[$field]['input'] = true;
$valid = false;
}
// Check for datetime type
if ($type == 'datetime' && $this->entity[$field] && \DateTime::createFromFormat('Y-m-d H:i', $this->entity[$field]) === false && \DateTime::createFromFormat('Y-m-d H:i:s', $this->entity[$field]) === false) {
$errors[$field]['input'] = true;
$valid = false;
}
// Check for reference type
if ($type == 'reference' && $this->entity[$field] !== '' && $this->entity[$field] !== null) {
$params = array('id' => $this->entity[$field]);
$paramsOperators = array('id' => '=');
$amount = $data->countBy($this->definition->getReferenceTable($field), $params, $paramsOperators, false);
if ($amount == 0) {
$errors[$field]['input'] = true;
$valid = false;
}
}
}
return array('valid' => $valid, 'errors' => $errors);
}
