nur-sery/src/output/msg.php

<?php
namespace nur\sery\output;

use nulib\ValueException;
use nur\sery\output\std\ProxyMessenger;

/**
 * Class msg: inscrire un message dans les logs ET l'afficher sur la console
 */
class msg extends _messenger {
  static function set_messenger(IMessenger $say, ?IMessenger $log=null) {
    self::$say = $say;
    if ($log !== null) self::$log = $log;
  }

  static function set_messenger_class(string $say_class, ?string $log_class=null) {
    if (!is_subclass_of($say_class, IMessenger::class)) {
      throw ValueException::invalid_class($say_class, IMessenger::class);
    }
    self::$say = new $say_class();
    if ($log_class !== null) {
      if (!is_subclass_of($log_class, IMessenger::class)) {
        throw ValueException::invalid_class($log_class, IMessenger::class);
      }
      self::$log = new $log_class();
    }
  }

  static function get(): IMessenger {
    if (self::$msg === null) {
      $log = self::$log;
      $say = self::$say;
      if ($log !== null && $say !== null) $msg = new ProxyMessenger($log, $say);
      elseif ($log !== null) $msg = $log;
      elseif ($say !== null) $msg = $say;
      else $msg = new ProxyMessenger();
      self::$msg = $msg;
    }
    return self::$msg;
  }
}