Microservicedemo: added product repository

samples/MicroserviceDemo/modules/product/src/ProductManagement.Domain/ProductManagement/IProductRepository.cs

@@ -0,0 +1,13 @@
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Threading.Tasks;
+using Volo.Abp.Domain.Repositories;
+
+namespace ProductManagement
+{
+    public interface IProductRepository : IBasicRepository<Product, Guid>
+    {
+        Task<List<Product>> GetListAsync(string sorting, int maxResultCount, int skipCount);
+    }
+}

samples/MicroserviceDemo/modules/product/src/ProductManagement.EntityFrameworkCore/ProductManagement/EfCoreProductRepository.cs

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+using System;
+using System.Collections.Generic;
+using System.Threading.Tasks;
+using ProductManagement.EntityFrameworkCore;
+using Volo.Abp.Domain.Repositories.EntityFrameworkCore;
+using Volo.Abp.EntityFrameworkCore;
+using System.Linq;
+using System.Linq.Dynamic.Core;
+using Microsoft.EntityFrameworkCore;
+
+namespace ProductManagement
+{
+    public class EfCoreProductRepository : EfCoreRepository<IProductManagementDbContext, Product, Guid>, IProductRepository
+    {
+        public EfCoreProductRepository(IDbContextProvider<IProductManagementDbContext> dbContextProvider)
+            : base(dbContextProvider)
+        {
+        }
+
+        public async Task<List<Product>> GetListAsync(string sorting, int maxResultCount, int skipCount)
+        {
+            // TODO: refactor sorting
+            var products = await DbSet.OrderBy(sorting ?? "creationTime desc")
+                .PageBy(skipCount, maxResultCount)
+                .ToListAsync();
+
+            return products;
+        }
+    }
+}