chore: switched Future.delayed to Timer and implemented jsonserializable

packages/logging_cloudwatch/aws_logging_cloudwatch/lib/src/plugin_config.dart

@@ -3,6 +3,9 @@
 
 import 'package:aws_common/aws_common.dart';
 import 'package:aws_logging_cloudwatch/aws_logging_cloudwatch.dart';
+import 'package:json_annotation/json_annotation.dart';
+
+part 'plugin_config.g.dart';
 
 /// {@template aws_logging_cloudwatch.cloudwatch_logger_plugin_configuration}
 /// The configuration for `CloudWatchLoggerPlugin`.
@@ -47,19 +50,24 @@ class CloudWatchLoggerPluginConfiguration with AWSDebuggable {
 /// {@template aws_logging_cloudwatch.logging_constraint}
 /// The logging constraint for sending logs to CloudWatch.
 /// {@endtemplate}
+
+@JsonSerializable()
 class LoggingConstraint with AWSDebuggable {
   /// {@macro aws_logging_cloudwatch.logging_constraint}
   const LoggingConstraint({this.defaultLogLevel = LogLevel.error});
 
   /// Converts a [Map] to an [LoggingConstraint] instance.
-  factory LoggingConstraint.fromJson(Map<String, dynamic> json) {
-    return LoggingConstraint(
-      defaultLogLevel: LogLevel.values.firstWhere(
-        (e) => e.toString() == 'LogLevel.${json['defaultLogLevel']}',
-        orElse: () => LogLevel.error, // Default value if not found
-      ),
-    );
-  }
+  // factory LoggingConstraint.fromJson(Map<String, dynamic> json) {
+  //   return LoggingConstraint(
+  //     defaultLogLevel: LogLevel.values.firstWhere(
+  //       (e) => e.toString() == 'LogLevel.${json['defaultLogLevel']}',
+  //       orElse: () => LogLevel.error, // Default value if not found
+  //     ),
+  //   );
+  // }
+
+  factory LoggingConstraint.fromJson(Map<String, dynamic> json) =>
+      _$LoggingConstraintFromJson(json);
 
   /// The default [LogLevel] for sending logs to CloudWatch.
   final LogLevel defaultLogLevel;

packages/logging_cloudwatch/aws_logging_cloudwatch/lib/src/remote_constraint_provider.dart

@@ -1,6 +1,7 @@
 // Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 // SPDX-License-Identifier: Apache-2.0
 
+import 'dart:async';
 import 'dart:convert';
 import 'dart:io';
 
@@ -49,6 +50,8 @@ class DefaultRemoteLoggingConstraintProvider
 
   static final _logger = AmplifyLogger('default-remote-config');
 
+  Timer? _timer;
+
   Future<void> _saveConstraintLocally(LoggingConstraint constraint) async {
     final file = File('logging_constraint.json');
     await file.writeAsString(jsonEncode(constraint));
@@ -134,7 +137,10 @@ class DefaultRemoteLoggingConstraintProvider
   /// Refreshes the constraint from the endpoint periodically.
   Future<void> _refreshConstraintPeriodically() async {
     while (true) {
-      await Future<void>.delayed(_config.refreshIntervalInSeconds);
+      _timer?.cancel();
+      _timer = Timer.periodic(_config.refreshIntervalInSeconds, (timer) async {
+        await _fetchAndCacheConstraintFromEndpoint();
+      });
       await _fetchAndCacheConstraintFromEndpoint();
     }
   }

packages/logging_cloudwatch/aws_logging_cloudwatch/pubspec.yaml

@@ -17,6 +17,7 @@ dependencies:
   fixnum: ^1.1.0
   http: ^1.0.0
   intl: ">=0.18.0 <1.0.0"
+  json_annotation: ^4.8.1
   meta: ^1.9.1
   smithy: ^0.5.0+3
   smithy_aws: ^0.5.0+3