added categories, import export, settings

lib/models/product.dart

@@ -8,6 +8,11 @@ class Product {
     required this.lastPrice,
     required this.timesSeen,
     required this.updatedAt,
+    this.favourite = false,
+    this.imagePath,
+    this.supermarket,
+    this.notes,
+    this.category,
   });
 
   final int id;
@@ -15,14 +20,56 @@ class Product {
   final double lastPrice;
   final int timesSeen;
   final DateTime updatedAt;
+  final bool favourite;
+  final String? imagePath;
+  final String? supermarket;
+  final String? notes;
+  final String? category;
 
   factory Product.fromMap(Map<String, Object?> map) {
     return Product(
       id: map['id']! as int,
       name: map['name']! as String,
-      lastPrice: (map['last_price']! as num).toDouble(),
+      lastPrice: (map['display_price'] as num? ?? map['last_price']! as num)
+          .toDouble(),
       timesSeen: map['times_seen']! as int,
       updatedAt: DateTime.parse(map['updated_at']! as String),
+      favourite: (map['favourite'] as int? ?? 0) == 1,
+      imagePath: map['image_path'] as String?,
+      supermarket: map['supermarket'] as String?,
+      notes: map['notes'] as String?,
+      category: map['category'] as String?,
+    );
+  }
+
+  Product copyWith({
+    String? name,
+    double? lastPrice,
+    int? timesSeen,
+    DateTime? updatedAt,
+    bool? favourite,
+    String? imagePath,
+    String? supermarket,
+    String? notes,
+    String? category,
+    bool clearImage = false,
+    bool clearSupermarket = false,
+    bool clearNotes = false,
+    bool clearCategory = false,
+  }) {
+    return Product(
+      id: id,
+      name: name ?? this.name,
+      lastPrice: lastPrice ?? this.lastPrice,
+      timesSeen: timesSeen ?? this.timesSeen,
+      updatedAt: updatedAt ?? this.updatedAt,
+      favourite: favourite ?? this.favourite,
+      imagePath: clearImage ? null : (imagePath ?? this.imagePath),
+      supermarket: clearSupermarket ? null : (supermarket ?? this.supermarket),
+      notes: clearNotes ? null : (notes ?? this.notes),
+      category: clearCategory ? null : (category ?? this.category),
     );
   }
 }
+
+enum ProductSort { name, preferred }