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<?php namespace Altum; class Alerts { public static $types = ['success', 'error', 'info']; /* Field errors */ public static function add_field_error($key, $message) { if(!isset($_SESSION['field_errors'][$key])) { $_SESSION['field_errors'][$key] = [$message]; } else { $_SESSION['field_errors'][$key][] = $message; } } public static function has_field_errors($key = null) { if(is_null($key)) { return !empty($_SESSION['field_errors']); } else if(is_array($key)) { $has_errors = false; foreach($key as $field_name) { if(isset($_SESSION['field_errors'][$field_name]) && !empty($_SESSION['field_errors'][$field_name])) { $has_errors = true; break; } } return $has_errors; } else { return isset($_SESSION['field_errors'][$key]) && !empty($_SESSION['field_errors'][$key]); } } public static function get_first_field_error($key) { return reset($_SESSION['field_errors'][$key]); } public static function output_field_error($key) { $output = null; if(self::has_field_errors($key)) { $output = '<div class="invalid-feedback">' . self::get_first_field_error($key) . '</div>'; unset($_SESSION['field_errors'][$key]); } return $output; } /* Session alerts */ public static function add($type, $key, $message) { if(!isset($_SESSION[$type][$key])) { $_SESSION[$type][$key] = [$message]; } else { $_SESSION[$type][$key][] = $message; } } public static function has($type, $key) { if(is_null($key)) { return isset($_SESSION[$type]) && count($_SESSION[$type]); } else { return isset($_SESSION[$type][$key]); } } public static function get($type, $key) { return $_SESSION[$type][$key]; } public static function output_alerts($type = null) { $types = is_null($type) ? self::$types : [$type]; $output = null; foreach($types as $type) { if(!isset($_SESSION[$type]) || empty($_SESSION[$type])) { continue; } foreach($_SESSION[$type] as $key => $value) { foreach($value as $message_key => $message) { $output .= output_alert($type, $message); } unset($_SESSION[$type][$key]); } } return $output; } /* Errors */ public static function add_error($message, $key = 'error') { self::add('error', $key, $message); } public static function has_errors($key = null) { return self::has('error', $key); } /* Infos */ public static function add_info($message, $key = 'info') { self::add('info', $key, $message); } public static function has_infos($key = null) { return self::has('info', $key); } /* Successes */ public static function add_success($message, $key = 'success') { self::add('success', $key, $message); } public static function has_successes($key = null) { return self::has('success', $key); } }
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