refactor: news page types

lib/models/github_event.dart

@@ -0,0 +1,55 @@
+import 'package:git_touch/utils/utils.dart';
+import 'package:json_annotation/json_annotation.dart';
+import 'package:tuple/tuple.dart';
+
+part 'github_event.g.dart';
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GithubEvent {
+  GithubEventActor actor;
+  String type;
+  GithubEventRepo repo;
+  String createdAt;
+  Map<String, dynamic> payload;
+
+  Tuple2<String, String> _repo;
+  String get repoOwner {
+    if (_repo == null) {
+      _repo = parseRepositoryFullName(repo.name);
+    }
+    return _repo.item1;
+  }
+
+  String get repoName {
+    if (_repo == null) {
+      _repo = parseRepositoryFullName(repo.name);
+    }
+    return _repo.item2;
+  }
+
+  GithubEvent();
+
+  factory GithubEvent.fromJson(Map<String, dynamic> json) =>
+      _$GithubEventFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GithubEventActor {
+  String login;
+  String avatarUrl;
+
+  GithubEventActor();
+
+  factory GithubEventActor.fromJson(Map<String, dynamic> json) =>
+      _$GithubEventActorFromJson(json);
+}
+
+@JsonSerializable(fieldRename: FieldRename.snake)
+class GithubEventRepo {
+  String name;
+
+  GithubEventRepo();
+
+  factory GithubEventRepo.fromJson(Map<String, dynamic> json) =>
+      _$GithubEventRepoFromJson(json);
+}