initial commit

lib/ui/viewmodel/wikipedia_viewmodel.dart

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+import 'package:flutter/material.dart';
+import 'package:go_router/go_router.dart';
+import 'package:survive_app/data/wikipedia/model.dart';
+import 'package:survive_app/data/wikipedia/repository.dart';
+
+class WikipediaViewmodel {
+  final IWikipediaRepository wikipediaRepo;
+  WikipediaViewmodel({required this.wikipediaRepo});
+
+  final TextEditingController controller = TextEditingController();
+
+  final ValueNotifier<List<WikiArticleModel>> articles = ValueNotifier([]);
+
+  void downloadArticles() async => await wikipediaRepo.downloadArticles();
+
+  void returnClick(BuildContext context) => context.pop();
+
+  Future<void> searchArticles() async {
+    final articleQueryData = WikiArticleQueryModel(title: controller.text);
+    articles.value = await wikipediaRepo.queryArticles(articleQueryData);
+  }
+}