feat: product analytic repo

lib/domain/analytic/entities/product_analytic_entity.dart

@@ -0,0 +1,45 @@
+part of '../analytic.dart';
+
+@freezed
+class ProductAnalytic with _$ProductAnalytic {
+  const factory ProductAnalytic({
+    required String organizationId,
+    required String outletId,
+    required String dateFrom,
+    required String dateTo,
+    required List<ProductAnalyticData> data,
+  }) = _ProductAnalytic;
+
+  factory ProductAnalytic.empty() => const ProductAnalytic(
+    organizationId: '',
+    outletId: '',
+    dateFrom: '',
+    dateTo: '',
+    data: [],
+  );
+}
+
+@freezed
+class ProductAnalyticData with _$ProductAnalyticData {
+  const factory ProductAnalyticData({
+    required String productId,
+    required String productName,
+    required String categoryId,
+    required String categoryName,
+    required int quantitySold,
+    required double revenue,
+    required double averagePrice,
+    required int orderCount,
+  }) = _ProductAnalyticData;
+
+  factory ProductAnalyticData.empty() => const ProductAnalyticData(
+    productId: '',
+    productName: '',
+    categoryId: '',
+    categoryName: '',
+    quantitySold: 0,
+    revenue: 0.0,
+    averagePrice: 0.0,
+    orderCount: 0,
+  );
+}