ErrorMessage add notice level

src/Logging/ErrorMessage.php

@@ -42,6 +42,7 @@ class ErrorMessage
 	 * error_id: internal Error ID (should be unique)
 	 * level: error level, can only be ok, info, warn, error, abort, crash
 	 *        ok and info are positive response: success
+	 *        notice: a debug message for information only
 	 *        warn: success, but there might be some things that are not 100% ok
 	 *        error: input error or error in executing request
 	 *        abort: an internal error happened as mandatory information that normally is
@@ -98,6 +99,12 @@ class ErrorMessage
 		];
 		// write to log for abort/crash
 		switch ($level) {
+			case 'notice':
+				$this->log->notice($message ?? $str, array_merge([
+					'id' => $error_id,
+					'level' => $original_level,
+				], $context));
+				break;
 			case 'error':
 				if ($log_error) {
 					$this->log->error($message ?? $str, array_merge([

src/Logging/Logger/MessageLevel.php

@@ -15,6 +15,7 @@ enum MessageLevel: int
 {
 	case ok = 100;
 	case info = 200;
+	case notice = 250;
 	case warn = 300;
 	case error = 400;
 	case abort = 500;
@@ -30,6 +31,7 @@ enum MessageLevel: int
 		return match (strtolower($name)) {
 			'ok' => self::ok,
 			'info' => self::info,
+			'notice' => self::notice,
 			'warn', 'warning' => self::warn,
 			'error' => self::error,
 			'abort' => self::abort,