Add customers with orders

Author: viktorkombov

NorthwindCRUD/Controllers/CustomersController.cs

@@ -42,6 +42,26 @@ public ActionResult<CustomerDto[]> GetAll()
             }
         }
 
+        /// <summary>
+        /// Retrieves all customers along with their associated orders.
+        /// </summary>
+        /// <returns>
+        /// An <see cref="ActionResult{T}"/> containing an array of <see cref="CustomerDto"/> objects.
+        /// </returns>
+        public ActionResult<CustomerDto[]> GetAllCustomersWithOrders()
+        {
+            try
+            {
+                var customers = this.customerService.GetAllCustomerOrders();
+                return Ok(this.mapper.Map<CustomerDb[], CustomerDto[]>(customers));
+            }
+            catch (Exception error)
+            {
+                logger.LogError(error.Message);
+                return StatusCode(500);
+            }
+        }
+
         /// <summary>
         /// Fetches all customers or a page of customers based on the provided parameters.
         /// </summary>

NorthwindCRUD/Helpers/MappingProfiles.cs

@@ -16,8 +16,10 @@ public MappingProfiles()
             CreateMap<ShipperDto, ShipperDb>().ReverseMap();
             CreateMap<SupplierDto, SupplierDb>().ReverseMap();
             CreateMap<TerritoryDto, TerritoryDb>().ReverseMap();
-            CreateMap<CustomerDto, CustomerDb>().ReverseMap();
-            CreateMap<OrderDto, OrderDb>().ReverseMap();
+            CreateMap<CustomerDto, CustomerDb>().ReverseMap()
+                .ForMember(dest => dest.Orders, opt => opt.MapFrom(src => src.Orders.ToArray()));
+            CreateMap<OrderDto, OrderDb>().ReverseMap()
+                .ForMember(dest => dest.OrderDetails, opt => opt.MapFrom(src => src.OrderDetails.ToArray()));
             CreateMap<OrderDetailDto, OrderDetailDb>().ReverseMap();
             CreateMap<AddressDto, AddressDb>().ReverseMap();
             CreateMap<LoginDto, UserDb>().ReverseMap();

NorthwindCRUD/Models/DbModels/OrderDb.cs

@@ -46,5 +46,7 @@ public OrderDb()
         public bool Completed { get; set; }
 
         public AddressDb? ShipAddress { get; set; }
+
+        public ICollection<OrderDetailDb> OrderDetails { get; set; }
     }
 }

NorthwindCRUD/Models/Dtos/CustomerDto.cs

@@ -18,5 +18,7 @@ public class CustomerDto : ICustomer
         public string ContactTitle { get; set; }
 
         public AddressDto Address { get; set; }
+
+        public OrderDto[] Orders { get; set; }
     }
 }

NorthwindCRUD/Models/Dtos/OrderDto.cs

@@ -36,5 +36,7 @@ public class OrderDto : IOrder
         public bool Completed { get; set; }
 
         public AddressDto ShipAddress { get; set; }
+
+        public OrderDetailDto[] OrderDetails { get; set; }
     }
 }

NorthwindCRUD/Services/CustomerService.cs

@@ -32,6 +32,14 @@ public IQueryable<CustomerDb> GetAllAsQueryable()
                 .FirstOrDefault(c => c.CustomerId == id);
         }
 
+        public CustomerDb[] GetAllCustomerOrders()
+        {
+            return this.dataContext.Customers
+                .Include(c => c.Orders)
+                    .ThenInclude(o => o.OrderDetails)
+                .ToArray();
+        }
+
         public CustomerDb Create(CustomerDb model)
         {
             var id = IdGenerator.CreateLetterId(6);