1 files changed, 71 insertions, 0 deletions
diff --git a/lib/view_model/badge_motive_view_model.dart b/lib/view_model/badge_motive_view_model.dart
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+++ b/lib/view_model/badge_motive_view_model.dart
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+// Copyright (C) 2025, uvok cheetah
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program.  If not, see <https://www.gnu.org/licenses/>.
+
+import 'package:flutter/foundation.dart';
+import 'package:logger/logger.dart';
+import 'package:uvok_epaper_badge/model/badge_motive.dart';
+import 'package:uvok_epaper_badge/model/motive_selection/badge_motive_selection.dart';
+
+Logger logger = Logger();
+
+class BadgeMotiveViewModel extends ChangeNotifier {
+  final BadgeMotiveSelection _motivSelect;
+  List<BadgeMotive> _motives = [];
+  bool _busy = false;
+  String? errorMessage;
+
+  BadgeMotiveViewModel({required BadgeMotiveSelection motivSelect})
+    : _motivSelect = motivSelect;
+
+  bool get allowSelection => !_busy;
+  List<BadgeMotive> get motives => _motives;
+  BadgeMotive? currentMotive;
+
+  Future<void> updateMotives() async {
+    await safeAction(() async {
+      _motives = await _motivSelect.getMotives();
+    });
+  }
+
+  Future<void> setMotive(BadgeMotive motive) async {
+    await safeAction(() async {
+      logger.t(">Set motive to ${motive.id}");
+      await _motivSelect.setCurrentMotive(motive);
+      logger.t("<Set motive to ${motive.id}");
+      currentMotive = motive;
+    });
+  }
+
+  Future<void> getCurrentMotive() async {
+    await safeAction(() async {
+      currentMotive = await _motivSelect.getCurrentMotive();
+    });
+  }
+
+  Future<void> safeAction(Future<void> Function() action) async {
+    if (_busy) return;
+    _busy = true;
+    notifyListeners();
+
+    try {
+      await action();
+    } on Exception catch (e) {
+      errorMessage = "${e.runtimeType}: ${e.toString()}";
+    } finally {
+      _busy = false;
+      notifyListeners();
+    }
+  }
+}