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<?php defined('ABSPATH') or die; |
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|
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/** |
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* @package pixcustomify |
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* @category core |
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* @author Pixelgrade Team |
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* @copyright (c) 2013, Pixelgrade |
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*/ |
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class PixCustomifyValidatorImpl implements PixCustomifyValidator { |
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|
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/** @var PixCustomifyMeta plugin configuration */ |
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protected $meta = null; |
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|
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/** @var PixCustomifyMeta field information */ |
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protected $fields = null; |
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|
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/** |
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* @param array config |
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*/ |
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static function instance($config = null, $fields = null) { |
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$i = new self; |
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$i->configure($config, $fields); |
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return $i; |
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} |
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|
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/** |
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* Apply configuration. |
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* |
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* Fields array is assumed to be flat. The class will not perform any field |
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* extraction itself. |
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*/ |
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protected function configure($config = null, $fields = null) { |
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$config !== null or $config = array(); |
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$fields !== null or $fields = array(); |
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|
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if (is_array($config)) { |
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$this->meta = pixcustomify::instance('PixCustomifyMeta', $config); |
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} |
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else { // non-array; assume meta object |
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$this->meta = $config; |
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} |
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|
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if (is_array($fields)) { |
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$this->fields = pixcustomify::instance('PixCustomifyMeta', $fields); |
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} |
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else { // non-array; assume meta object |
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$this->fields = $fields; |
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} |
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} |
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|
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/** |
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* Validation will only be performed on input keys not on all field keys to |
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* allow for partial input validation. |
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* |
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* @param array input |
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* @return array errors (empty if no errors) |
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*/ |
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function validate($input) { |
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$errors = array(); |
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$defaults = pixcustomify::defaults(); |
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$plugin_checks = $this->meta->get('checks', array()); |
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|
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foreach ($input as $key => $value) { |
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|
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$field = $this->fields->get($key); |
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|
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// Calculate validation rules |
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// -------------------------- |
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|
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$rules = array(); |
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// check pixcustomify defaults |
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if (isset($defaults['checks'][$field['type']])) { |
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$rules = $defaults['checks'][$field['type']]; |
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} |
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// check theme defaults |
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if (isset($plugin_checks[$field['type']])) { |
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$rules = array_merge($rules, $plugin_checks[$field['type']]); |
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} |
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// check field presets |
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if (isset($field['checks'])) { |
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$rules = array_merge($rules, $field['checks']); |
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} |
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|
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// Perform validation |
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// ------------------ |
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|
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foreach ($rules as $rule) { |
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$callback = pixcustomify::callback($rule, $this->meta); |
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$valid = call_user_func($callback, $input[$key], $field, $this); |
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if ( ! $valid) { |
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isset($errors[$key]) or $errors[$key] = array(); |
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$errors[$key][$rule] = $this->error_message($rule); |
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} |
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} |
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} |
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|
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return $errors; |
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} |
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|
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/** @var array error messages */ |
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protected static $error_message_cache = null; |
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|
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/** |
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* @param string rule |
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* @return string error message |
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*/ |
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function error_message($rule) { |
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if (self::$error_message_cache === null) { |
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$defaults = pixcustomify::defaults(); |
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$default_errors = $defaults['errors']; |
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$plugin_errors = $this->meta->get('errors', array()); |
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self::$error_message_cache = array_merge($default_errors, $plugin_errors); |
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} |
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|
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return self::$error_message_cache[$rule]; |
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} |
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|
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} # class |
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