added categories, import export, settings

2026-08-29 16:45:27 +02:00
parent 2a5a922aab
commit 732a0dc14a
30 changed files with 3700 additions and 167 deletions
@@ -0,0 +1,158 @@
+/// One shopping trip: receipt photo, supermarket, products and costs.
+library;
+
+import 'dart:io';
+
+import 'package:flutter/material.dart';
+
+import 'models/shop.dart';
+import 'product_detail_screen.dart';
+import 'services/product_repository.dart';
+import 'utils/dates.dart';
+import 'utils/money.dart';
+
+class ShopDetailScreen extends StatefulWidget {
+  const ShopDetailScreen({
+    super.key,
+    required this.repository,
+    required this.shopId,
+  });
+
+  final ProductRepository repository;
+  final int shopId;
+
+  @override
+  State<ShopDetailScreen> createState() => _ShopDetailScreenState();
+}
+
+class _ShopDetailScreenState extends State<ShopDetailScreen> {
+  late Future<({Shop shop, List<ShopItem> items})> _future;
+
+  @override
+  void initState() {
+    super.initState();
+    _future = _load();
+  }
+
+  Future<({Shop shop, List<ShopItem> items})> _load() async {
+    final shop = await widget.repository.getShop(widget.shopId);
+    if (shop == null) {
+      throw StateError('Shop not found');
+    }
+    final items = await widget.repository.getShopItems(widget.shopId);
+    return (shop: shop, items: items);
+  }
+
+  Future<void> _openReceipt(File file) async {
+    await showDialog<void>(
+      context: context,
+      builder: (context) {
+        return Dialog(
+          insetPadding: const EdgeInsets.all(16),
+          child: InteractiveViewer(
+            child: Image.file(file, fit: BoxFit.contain),
+          ),
+        );
+      },
+    );
+  }
+
+  Future<void> _openProduct(int productId) async {
+    await Navigator.of(context).push<void>(
+      MaterialPageRoute(
+        builder: (_) => ProductDetailScreen(
+          repository: widget.repository,
+          productId: productId,
+        ),
+      ),
+    );
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    final theme = Theme.of(context);
+
+    return Scaffold(
+      appBar: AppBar(title: const Text('Shopping trip')),
+      body: FutureBuilder(
+        future: _future,
+        builder: (context, snapshot) {
+          if (snapshot.hasError) {
+            return Center(
+              child: Text(
+                'Could not load this trip.',
+                style: theme.textTheme.bodyLarge,
+              ),
+            );
+          }
+          if (!snapshot.hasData) {
+            return const Center(child: CircularProgressIndicator());
+          }
+
+          final shop = snapshot.data!.shop;
+          final items = snapshot.data!.items;
+          final receipt = shop.receiptImagePath;
+          final receiptFile =
+              receipt == null ? null : File(receipt);
+          final hasReceipt =
+              receiptFile != null && receiptFile.existsSync();
+
+          return ListView(
+            padding: const EdgeInsets.fromLTRB(16, 8, 16, 32),
+            children: [
+              Text(shop.supermarket, style: theme.textTheme.headlineMedium),
+              const SizedBox(height: 4),
+              Text(
+                formatDate(shop.shoppedAt),
+                style: theme.textTheme.bodyLarge,
+              ),
+              if (hasReceipt) ...[
+                const SizedBox(height: 16),
+                GestureDetector(
+                  onTap: () => _openReceipt(receiptFile),
+                  child: ClipRRect(
+                    borderRadius: BorderRadius.circular(16),
+                    child: Image.file(
+                      receiptFile,
+                      height: 180,
+                      width: double.infinity,
+                      fit: BoxFit.cover,
+                      cacheWidth: 900,
+                    ),
+                  ),
+                ),
+              ],
+              const SizedBox(height: 24),
+              Text('Products', style: theme.textTheme.titleMedium),
+              const SizedBox(height: 8),
+              for (final item in items)
+                ListTile(
+                  contentPadding: EdgeInsets.zero,
+                  title: Text(item.name),
+                  subtitle: item.quantity == null
+                      ? null
+                      : Text(
+                          '${item.quantity} × ${formatEuro(item.unitPrice ?? 0)}',
+                        ),
+                  trailing: Text(
+                    formatEuro(item.price),
+                    style: theme.textTheme.titleMedium,
+                  ),
+                  onTap: () => _openProduct(item.productId),
+                ),
+              const Divider(),
+              ListTile(
+                contentPadding: EdgeInsets.zero,
+                title: Text('Total', style: theme.textTheme.titleMedium),
+                trailing: Text(
+                  formatEuro(shop.total),
+                  style: theme.textTheme.titleLarge,
+                ),
+              ),
+            ],
+          );
+        },
+      ),
+    );
+  }
+}