feat: add receipt import session management with file handling and item editing support

2026-05-01 08:57:34 +02:00
parent f983458ff0
commit 5c263a14df
3 changed files with 212 additions and 54 deletions
@@ -0,0 +1,95 @@
+import 'dart:typed_data';
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import '../domain/parsed_receipt_item.dart';
+
+// ── Destination-enum ──────────────────────────────────────────────────────────
+
+enum ImportDestination { inventory, pantry }
+
+// ── Per-rad redigeringstillstånd ──────────────────────────────────────────────
+
+class ItemEdit {
+  final int? productId;
+  final String? productName;
+  final double? quantity;
+  final String? unit;
+  final ImportDestination destination;
+
+  const ItemEdit({
+    this.productId,
+    this.productName,
+    this.quantity,
+    this.unit,
+    this.destination = ImportDestination.inventory,
+  });
+}
+
+// ── Session-state ─────────────────────────────────────────────────────────────
+
+class ReceiptImportSession {
+  final Uint8List? fileBytes;
+  final String? fileExtension;
+  final List<ParsedReceiptItem>? items; // null = ej parsad än
+  final Map<int, ItemEdit> edits;
+  final Map<int, bool> selected;
+
+  const ReceiptImportSession({
+    this.fileBytes,
+    this.fileExtension,
+    this.items,
+    this.edits = const {},
+    this.selected = const {},
+  });
+
+  ReceiptImportSession copyWith({
+    Uint8List? fileBytes,
+    String? fileExtension,
+    List<ParsedReceiptItem>? items,
+    Map<int, ItemEdit>? edits,
+    Map<int, bool>? selected,
+  }) =>
+      ReceiptImportSession(
+        fileBytes: fileBytes ?? this.fileBytes,
+        fileExtension: fileExtension ?? this.fileExtension,
+        items: items ?? this.items,
+        edits: edits ?? this.edits,
+        selected: selected ?? this.selected,
+      );
+}
+
+// ── Notifier ──────────────────────────────────────────────────────────────────
+
+class ReceiptImportSessionNotifier
+    extends Notifier<ReceiptImportSession?> {
+  @override
+  ReceiptImportSession? build() => null;
+
+  /// Ny fil vald — återställer items/edits/selected, behåller ingenting gammalt.
+  void setFile(Uint8List bytes, String extension) {
+    state = ReceiptImportSession(fileBytes: bytes, fileExtension: extension);
+  }
+
+  void setItems(List<ParsedReceiptItem> items) {
+    // Bevara filinformationen när items sätts
+    state = (state ?? const ReceiptImportSession()).copyWith(items: items);
+  }
+
+  void setEdit(int index, ItemEdit edit) {
+    if (state == null) return;
+    final edits = Map<int, ItemEdit>.from(state!.edits)..[index] = edit;
+    state = state!.copyWith(edits: edits);
+  }
+
+  void setSelected(int index, bool value) {
+    if (state == null) return;
+    final selected = Map<int, bool>.from(state!.selected)..[index] = value;
+    state = state!.copyWith(selected: selected);
+  }
+
+  void clear() => state = null;
+}
+
+final receiptImportSessionProvider =
+    NotifierProvider<ReceiptImportSessionNotifier, ReceiptImportSession?>(
+  ReceiptImportSessionNotifier.new,
+);