barely functional database with hive

lib/services/providers/db/dbhelper.dart

@@ -0,0 +1,29 @@
+import 'package:hive/hive.dart';
+import 'package:path_provider/path_provider.dart';
+
+import '../../../models/recipe.dart';
+import '../../../example_data.dart' as e;
+
+class DbHelper {
+  static Box<Recipe> get _recipesBox => Hive.box(name: 'recipes');
+
+  static Future<void> init() async {
+    final dir = await getApplicationDocumentsDirectory();
+    Hive.defaultDirectory = dir.path;
+    Hive.registerAdapter('Recipe', Recipe.fromJson);
+    _recipesBox.clear();
+    for (final recipe in e.exampleRecipes) {
+      insertRecipe(recipe);
+    }
+  }
+
+  static List<Recipe> fetchRecipes() {
+    List<Recipe> recipes = _recipesBox.getAll(['0', '1']).cast<Recipe>();
+
+    return recipes;
+  }
+
+  static void insertRecipe(Recipe recipe) {
+    _recipesBox.put(_recipesBox.length.toString(), recipe);
+  }
+}