data = $data;
$this->errors = new WP_Error();
}
/**
* Set validation rules
*
* @param array $rules
*
* @return void
*/
public function set_rules( $rules ) {
$this->rules = $rules;
}
/**
* Set field validation aliases
*
* @param array $aliases
*
* @return void
*/
public function set_aliases( $aliases ) {
$this->aliases = $aliases;
}
/**
* Validate data
*
* @return bool
*/
public function validate() {
foreach ( $this->rules as $field => $rules ) {
foreach ( $this->resolve_rules( $rules ) as $rule ) {
$this->validate_rule( $field, $rule );
}
}
return ! $this->errors->has_errors();
}
/**
* Get validation error
*
* @return WP_Error
*/
public function get_error() {
return $this->errors;
}
/**
* Validate a single rule
*
* @param void $field
* @param Rule $rule
* @return bool
*/
protected function validate_rule( $field, $rule ) {
if ( ! $rule->passes( $field, $this->get_field_value( $field ) ) ) {
$this->errors->add( $field, $rule->message( $this->get_field_alias( $field ) ), ['status' => '400'] );
}
}
/**
* Resolve rules
*
* @param array $rules
*
* @return array
*/
protected function resolve_rules( array $rules ) {
return array_map( function ( $rule ) {
if ( is_string( $rule ) ) {
return $this->get_rule_from_string( $rule );
}
return $rule;
}, $rules );
}
/**
* Extract rules from string value
*
* @param string | array $rule
*
* @return Rule
*/
protected function get_rule_from_string( $rule ) {
$exploaded = explode( ':', $rule );
$rule = $exploaded[0];
$options = explode( ',', end( $exploaded ) );
return RuleMap::resolve_rule_map( $rule, $options );
}
/**
* Get field value
*
* @param string $field
*
* @return mixed
*/
protected function get_field_value( $field ) {
return $this->data[$field] ?? null;
}
/**
* Get field alias
*
* @param string $field
*
* @return mixed
*/
protected function get_field_alias( $field ) {
return $this->aliases[$field] ?? $field;
}
}