product repo

lib/domain/product/entities/product_entity.dart

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+part of '../product.dart';
+
+@freezed
+class ListProduct with _$ListProduct {
+  const factory ListProduct({
+    required List<Product> products,
+    required int totalCount,
+    required int page,
+    required int limit,
+    required int totalPages,
+  }) = _ListProduct;
+
+  factory ListProduct.empty() => const ListProduct(
+    products: [],
+    totalCount: 0,
+    page: 0,
+    limit: 0,
+    totalPages: 0,
+  );
+}
+
+@freezed
+class Product with _$Product {
+  const factory Product({
+    required String id,
+    required String organizationId,
+    required String categoryId,
+    required String sku,
+    required String name,
+    required String description,
+    required double price,
+    required double cost,
+    required String businessType,
+    required String imageUrl,
+    required String printerType,
+    required Map<String, dynamic> metadata,
+    required bool isActive,
+    required String createdAt,
+    required String updatedAt,
+    required List<ProductVariant> variants,
+  }) = _Product;
+
+  factory Product.empty() => const Product(
+    id: '',
+    organizationId: '',
+    categoryId: '',
+    sku: '',
+    name: '',
+    description: '',
+    price: 0.0,
+    cost: 0.0,
+    businessType: '',
+    imageUrl: '',
+    printerType: '',
+    metadata: {},
+    isActive: false,
+    createdAt: '',
+    updatedAt: '',
+    variants: [],
+  );
+}
+
+@freezed
+class ProductVariant with _$ProductVariant {
+  const factory ProductVariant({
+    required String id,
+    required String productId,
+    required String name,
+    required double priceModifier,
+    required double cost,
+    required Map<String, dynamic> metadata,
+    required String createdAt,
+    required String updatedAt,
+  }) = _ProductVariant;
+
+  factory ProductVariant.empty() => const ProductVariant(
+    id: '',
+    productId: '',
+    name: '',
+    priceModifier: 0.0,
+    cost: 0.0,
+    metadata: {},
+    createdAt: '',
+    updatedAt: '',
+  );
+}

lib/domain/product/failures/product_failure.dart

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

lib/domain/product/product.dart

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+import 'package:dartz/dartz.dart';
+import 'package:flutter/foundation.dart';
+import 'package:freezed_annotation/freezed_annotation.dart';
+
+import '../../common/api/api_failure.dart';
+
+part 'product.freezed.dart';
+
+part 'entities/product_entity.dart';
+part 'failures/product_failure.dart';
+part 'repositories/i_product_repository.dart';

lib/domain/product/repositories/i_product_repository.dart

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+part of '../product.dart';
+
+abstract class IProductRepository {
+  Future<Either<ProductFailure, ListProduct>> getProducts({
+    int page = 1,
+    int limit = 10,
+    String? categoryId,
+    String? search,
+    bool forceRefresh = false,
+  });
+
+  Future<Either<ProductFailure, List<Product>>> searchProductsOptimized(
+    String query,
+  );
+
+  Future<Either<ProductFailure, String>> syncAllProducts();
+
+  Future<Either<ProductFailure, ListProduct>> refreshProducts({
+    String? categoryId,
+    String? search,
+  });
+
+  Future<Either<ProductFailure, Product>> getProductById(String id);
+
+  Future<bool> hasLocalProducts();
+
+  Future<Either<ProductFailure, Map<String, dynamic>>> getDatabaseStats();
+
+  void clearCache();
+
+  Future<bool> isLocalDatabaseReady();
+
+  Future<void> clearAllProducts();
+}