report dashboard

lib/domain/analytic/analytic.dart

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+import 'package:dartz/dartz.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import '../../common/api/api_failure.dart';
+
+part 'analytic.freezed.dart';
+
+part 'entities/dashboard_entity.dart';
+part 'failures/analytic_failure.dart';
+part 'repositories/i_analytic_repository.dart';

lib/domain/analytic/entities/dashboard_entity.dart

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+part of '../analytic.dart';
+
+@freezed
+class DashboardAnalytic with _$DashboardAnalytic {
+  const factory DashboardAnalytic({
+    required String organizationId,
+    required String outletId,
+    required String dateFrom,
+    required String dateTo,
+    required DashboardOverview overview,
+    required List<DashboardTopProduct> topProducts,
+    required List<DashboardPaymentMethod> paymentMethods,
+    required List<DashboardRecentSale> recentSales,
+  }) = _DashboardAnalytic;
+
+  factory DashboardAnalytic.empty() => DashboardAnalytic(
+    organizationId: '',
+    outletId: '',
+    dateFrom: '',
+    dateTo: '',
+    overview: DashboardOverview.empty(),
+    topProducts: const [],
+    paymentMethods: const [],
+    recentSales: const [],
+  );
+}
+
+@freezed
+class DashboardOverview with _$DashboardOverview {
+  const factory DashboardOverview({
+    required int totalSales,
+    required int totalOrders,
+    required double averageOrderValue,
+    required int totalCustomers,
+    required int voidedOrders,
+    required int refundedOrders,
+  }) = _DashboardOverview;
+
+  factory DashboardOverview.empty() => const DashboardOverview(
+    totalSales: 0,
+    totalOrders: 0,
+    averageOrderValue: 0.0,
+    totalCustomers: 0,
+    voidedOrders: 0,
+    refundedOrders: 0,
+  );
+}
+
+@freezed
+class DashboardTopProduct with _$DashboardTopProduct {
+  const factory DashboardTopProduct({
+    required String productId,
+    required String productName,
+    required String categoryId,
+    required String categoryName,
+    required int quantitySold,
+    required int revenue,
+    required double averagePrice,
+    required int orderCount,
+  }) = _DashboardTopProduct;
+
+  factory DashboardTopProduct.empty() => const DashboardTopProduct(
+    productId: '',
+    productName: '',
+    categoryId: '',
+    categoryName: '',
+    quantitySold: 0,
+    revenue: 0,
+    averagePrice: 0.0,
+    orderCount: 0,
+  );
+}
+
+@freezed
+class DashboardPaymentMethod with _$DashboardPaymentMethod {
+  const factory DashboardPaymentMethod({
+    required String paymentMethodId,
+    required String paymentMethodName,
+    required String paymentMethodType,
+    required int totalAmount,
+    required int orderCount,
+    required int paymentCount,
+    required double percentage,
+  }) = _DashboardPaymentMethod;
+
+  factory DashboardPaymentMethod.empty() => const DashboardPaymentMethod(
+    paymentMethodId: '',
+    paymentMethodName: '',
+    paymentMethodType: '',
+    totalAmount: 0,
+    orderCount: 0,
+    paymentCount: 0,
+    percentage: 0.0,
+  );
+}
+
+@freezed
+class DashboardRecentSale with _$DashboardRecentSale {
+  const factory DashboardRecentSale({
+    required String date,
+    required int sales,
+    required int orders,
+    required int items,
+    required int tax,
+    required int discount,
+    required int netSales,
+  }) = _DashboardRecentSale;
+
+  factory DashboardRecentSale.empty() => const DashboardRecentSale(
+    date: '',
+    sales: 0,
+    orders: 0,
+    items: 0,
+    tax: 0,
+    discount: 0,
+    netSales: 0,
+  );
+}

lib/domain/analytic/failures/analytic_failure.dart

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+part of '../analytic.dart';
+
+@freezed
+sealed class AnalyticFailure with _$AnalyticFailure {
+  const factory AnalyticFailure.serverError(ApiFailure failure) = _ServerError;
+  const factory AnalyticFailure.unexpectedError() = _UnexpectedError;
+  const factory AnalyticFailure.dynamicErrorMessage(String erroMessage) =
+      _DynamicErrorMessage;
+}

lib/domain/analytic/repositories/i_analytic_repository.dart

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+part of '../analytic.dart';
+
+abstract class IAnalyticRepository {
+  Future<Either<AnalyticFailure, DashboardAnalytic>> getDashboard({
+    required DateTime dateFrom,
+    required DateTime dateTo,
+  });
+}