Microservicedemo: added product application layer

samples/MicroserviceDemo/modules/product/src/ProductManagement.Application.Contracts/MyCompanyName/ProductManagement/CreateProductDto.cs

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+namespace ProductManagement
+{
+    public class CreateProductDto
+    {
+        public string Code { get; set; }
+
+        public string Name { get; set; }
+
+        public float Price { get; set; }
+
+        public int StockCount { get; set; }
+    }
+}

samples/MicroserviceDemo/modules/product/src/ProductManagement.Application.Contracts/MyCompanyName/ProductManagement/IProductAppService.cs

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+using System;
+using System.Threading.Tasks;
+using Volo.Abp.Application.Dtos;
+using Volo.Abp.Application.Services;
+
+namespace MyCompanyName.ProductManagement
+{
+    public interface IProductAppService : IApplicationService
+    {
+        Task<PagedResultDto<ProductDto>> GetListPagedAsync(PagedAndSortedResultRequestDto input);
+
+        Task<ListResultDto<ProductDto>> GetListAsync();
+
+        Task<ProductDto> GetAsync(Guid id);
+
+        Task<ProductDto> CreateAsync(CreateProductDto input);
+
+        Task<ProductDto> UpdateAsync(Guid id, UpdateProductDto input);
+
+        Task DeleteAsync(Guid id);
+    }
+}

samples/MicroserviceDemo/modules/product/src/ProductManagement.Application.Contracts/MyCompanyName/ProductManagement/ProductDto.cs

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+using System;
+using Volo.Abp.Application.Dtos;
+
+namespace ProductManagement
+{
+    public class ProductDto : AuditedEntityDto<Guid>
+    {
+        public string Code { get; set; }
+
+        public string Name { get; set; }
+
+        public float Price { get; set; }
+
+        public int StockCount { get; set; }
+    }
+}

samples/MicroserviceDemo/modules/product/src/ProductManagement.Application.Contracts/MyCompanyName/ProductManagement/UpdateProductDto.cs

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+namespace ProductManagement
+{
+    public class UpdateProductDto
+    {
+        public string Code { get; set; }
+
+        public string Name { get; set; }
+
+        public float Price { get; set; }
+
+        public int StockCount { get; set; }
+    }
+}

samples/MicroserviceDemo/modules/product/src/ProductManagement.Application/MyCompanyName/ProductManagement/ProductAppService.cs

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+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ProductManagement;
+using Volo.Abp.Application.Dtos;
+using Volo.Abp.Application.Services;
+using Volo.Abp.Domain.Repositories;
+
+namespace MyCompanyName.ProductManagement
+{
+    public class ProductAppService : ApplicationService, IProductAppService
+    {
+        private readonly ProductManager _productManager;
+        private readonly IProductRepository _productRepository;
+
+        public ProductAppService(ProductManager productManager, IProductRepository productRepository)
+        {
+            _productManager = productManager;
+            _productRepository = productRepository;
+        }
+
+        public async Task<PagedResultDto<ProductDto>> GetListPagedAsync(PagedAndSortedResultRequestDto input)
+        {
+            var products = await _productRepository.GetListAsync(input.Sorting, input.MaxResultCount, input.SkipCount);
+
+            var totalCount = await _productRepository.GetCountAsync();
+
+            var dtos = ObjectMapper.Map<List<Product>, List<ProductDto>>(products);
+
+            return new PagedResultDto<ProductDto>(totalCount, dtos);
+        }
+
+        public async Task<ListResultDto<ProductDto>> GetListAsync()
+        {
+            var products = await _productRepository.GetListAsync();
+
+            var productList =  ObjectMapper.Map<List<Product>, List<ProductDto>>(products);
+
+            return new ListResultDto<ProductDto>(productList);
+        }
+
+        public async Task<ProductDto> GetAsync(Guid id)
+        {
+            var product = await _productRepository.GetAsync(id);
+
+            return ObjectMapper.Map<Product, ProductDto>(product);
+        }
+
+        public async Task<ProductDto> CreateAsync(CreateProductDto input)
+        {
+            var product = await _productManager.CreateAsync(input.Code, input.Name, input.Price, input.StockCount);
+
+            return ObjectMapper.Map<Product, ProductDto>(product);
+        }
+
+        public async Task<ProductDto> UpdateAsync(Guid id, UpdateProductDto input)
+        {
+            var product = await _productRepository.GetAsync(id);
+
+            product.SetName(input.Name);
+            product.SetPrice(input.Price);
+            product.SetStockCount(input.StockCount);
+
+            return ObjectMapper.Map<Product, ProductDto>(product);
+        }
+
+        public async Task DeleteAsync(Guid id)
+        {
+            await _productRepository.DeleteAsync(id);
+        }
+    }
+}