124 lines
3.2 KiB
Dart
124 lines
3.2 KiB
Dart
import 'package:hive_ce/hive.dart';
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import 'package:retail/core/constants/storage_constants.dart';
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import 'package:retail/features/home/data/models/cart_item_model.dart';
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part 'transaction_model.g.dart';
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/// Transaction model with Hive CE type adapter
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@HiveType(typeId: StorageConstants.transactionTypeId)
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class TransactionModel extends HiveObject {
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/// Unique transaction identifier
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@HiveField(0)
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final String id;
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/// List of cart items in this transaction
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@HiveField(1)
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final List<CartItemModel> items;
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/// Subtotal amount (before tax and discount)
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@HiveField(2)
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final double subtotal;
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/// Tax amount
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@HiveField(3)
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final double tax;
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/// Discount amount
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@HiveField(4)
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final double discount;
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/// Total amount (subtotal + tax - discount)
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@HiveField(5)
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final double total;
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/// Transaction completion timestamp
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@HiveField(6)
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final DateTime completedAt;
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/// Payment method used (e.g., 'cash', 'card', 'digital')
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@HiveField(7)
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final String paymentMethod;
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TransactionModel({
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required this.id,
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required this.items,
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required this.subtotal,
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required this.tax,
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required this.discount,
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required this.total,
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required this.completedAt,
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required this.paymentMethod,
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});
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/// Get total number of items in transaction
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int get totalItems => items.fold(0, (sum, item) => sum + item.quantity);
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/// Create a copy with updated fields
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TransactionModel copyWith({
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String? id,
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List<CartItemModel>? items,
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double? subtotal,
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double? tax,
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double? discount,
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double? total,
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DateTime? completedAt,
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String? paymentMethod,
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}) {
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return TransactionModel(
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id: id ?? this.id,
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items: items ?? this.items,
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subtotal: subtotal ?? this.subtotal,
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tax: tax ?? this.tax,
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discount: discount ?? this.discount,
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total: total ?? this.total,
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completedAt: completedAt ?? this.completedAt,
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paymentMethod: paymentMethod ?? this.paymentMethod,
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);
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}
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/// Convert to JSON
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Map<String, dynamic> toJson() {
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return {
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'id': id,
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'items': items.map((item) => item.toJson()).toList(),
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'subtotal': subtotal,
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'tax': tax,
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'discount': discount,
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'total': total,
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'completedAt': completedAt.toIso8601String(),
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'paymentMethod': paymentMethod,
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};
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}
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/// Create from JSON
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factory TransactionModel.fromJson(Map<String, dynamic> json) {
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return TransactionModel(
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id: json['id'] as String,
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items: (json['items'] as List)
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.map((item) => CartItemModel.fromJson(item as Map<String, dynamic>))
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.toList(),
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subtotal: (json['subtotal'] as num).toDouble(),
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tax: (json['tax'] as num).toDouble(),
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discount: (json['discount'] as num).toDouble(),
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total: (json['total'] as num).toDouble(),
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completedAt: DateTime.parse(json['completedAt'] as String),
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paymentMethod: json['paymentMethod'] as String,
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);
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}
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@override
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String toString() {
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return 'TransactionModel(id: $id, total: $total, items: ${items.length}, method: $paymentMethod)';
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}
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@override
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bool operator ==(Object other) {
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if (identical(this, other)) return true;
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return other is TransactionModel && other.id == id;
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}
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@override
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int get hashCode => id.hashCode;
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}
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