CRUD working

2026-03-22 20:05:31 +01:00
parent 0219155f8e
commit a95d899ac5
11 changed files with 462 additions and 11 deletions
@@ -0,0 +1,69 @@
+// gets all quotes from the database and returns them in a list
+
+import 'package:flutter/material.dart';
+
+import 'package:frontend/model/quote.dart';
+import 'package:frontend/repository/quote_repository.dart';
+
+class QuoteProvider extends ChangeNotifier {
+  List<Quote> _quotes = [];
+  bool _loading = false;
+  String? _error;
+
+  List<Quote> get quotes => _quotes;
+  bool get loading => _loading;
+  String? get error => _error;
+
+  final QuoteRepository repo = QuoteRepository();
+
+  QuoteProvider() {
+    readQuotes(); // auto-load on creation
+  }
+
+  Future<void> readQuotes() async {
+    _loading = true;
+    _error = null;
+    notifyListeners();
+
+    try {
+      _quotes = await repo.readQuotes();
+    } catch (e) {
+      _error = e.toString();
+    }
+
+    _loading = false;
+    notifyListeners();
+  }
+
+  Future<void> createQuote(Quote quote) async {
+    final newQuote = await repo.createQuote(quote);
+    _quotes.add(newQuote);
+    notifyListeners();
+  }
+
+  Future<void> updateQuote(Quote quote) async {
+    try {
+      _loading = true;
+      notifyListeners();
+
+      final updated = await repo.updateQuote(quote);
+
+      final index = _quotes.indexWhere((q) => q.id == quote.id);
+      if (index != -1) {
+        final newList = List<Quote>.from(_quotes);
+        newList[index] = updated;
+        _quotes = newList;
+      }
+    } finally {
+      _loading = false;
+      notifyListeners();
+    }
+  }
+
+  Future<void> deleteQuote(Quote quote) async {
+    await repo.deleteQuote(quote);
+
+    _quotes.removeWhere((q) => q.id == quote.id);
+    notifyListeners();
+  }
+}