Update UoW pattern examples

Author: nemanjarogic

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Domain/Customer.cs

@@ -2,7 +2,6 @@
 
 public class Customer : Entity
 {
-    public string FirstName { get; set; }
-
-    public string LastName { get; set; }
-}
+    public string FirstName { get; set; } = string.Empty;
+    public string LastName { get; set; } = string.Empty;
+}

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Domain/Entity.cs

@@ -2,5 +2,5 @@
 
 public abstract class Entity
 {
-    public int Id { get; set; }
-}
+    public int Id { get; init; }
+}

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Domain/Order.cs

@@ -2,9 +2,7 @@
 
 public class Order : Entity
 {
-    public string Description { get; set; }
-
-    public string DeliveryAddress { get; set; }
-
+    public string Description { get; set; } = string.Empty;
+    public string DeliveryAddress { get; set; } = string.Empty;
     public decimal Price { get; set; }
-}
+}

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Example1/Controllers/OrderController1.cs

@@ -14,8 +14,8 @@ public OrderController1(IUnitOfWork1 unitOfWork)
 
     public Order Create(int id, string description, string deliveryAddress, decimal price)
     {
-        // ID is usually auto-genereated by database.
-        var newOrder = new Order()
+        // ID is usually auto-generated by database.
+        var newOrder = new Order
         {
             Id = id,
             Description = description,

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Example1/Example1Executor.cs

@@ -56,25 +56,23 @@ void CreateNewOrder()
 
     private static void InitializeDatabase()
     {
-        using (var context = new OrderManagementContext1())
-        {
-            context.Database.EnsureDeleted();
-            context.Database.EnsureCreated();
+        using var context = new OrderManagementContext1();
+        context.Database.EnsureDeleted();
+        context.Database.EnsureCreated();
 
-            var emma = new Customer { Id = 1, FirstName = "Emma", LastName = "Johnson" };
-            var marc = new Customer { Id = 2, FirstName = "Marc", LastName = "Milston" };
+        var emma = new Customer { Id = 1, FirstName = "Emma", LastName = "Johnson" };
+        var marc = new Customer { Id = 2, FirstName = "Marc", LastName = "Milston" };
 
-            var camera = new Order { Id = 1, Description = "Camera", DeliveryAddress = "Address 1", Price = 550 };
-            var wallet = new Order { Id = 2, Description = "Wallet", DeliveryAddress = "Address 2", Price = 10 };
+        var camera = new Order { Id = 1, Description = "Camera", DeliveryAddress = "Address 1", Price = 550 };
+        var wallet = new Order { Id = 2, Description = "Wallet", DeliveryAddress = "Address 2", Price = 10 };
 
-            var unitOfWork = new UnitOfWork1(context);
+        var unitOfWork = new UnitOfWork1(context);
 
-            unitOfWork.CustomerRepository.Add(emma);
-            unitOfWork.CustomerRepository.Add(marc);
-            unitOfWork.OrderRepository.Add(camera);
-            unitOfWork.OrderRepository.Add(wallet);
+        unitOfWork.CustomerRepository.Add(emma);
+        unitOfWork.CustomerRepository.Add(marc);
+        unitOfWork.OrderRepository.Add(camera);
+        unitOfWork.OrderRepository.Add(wallet);
 
-            unitOfWork.SaveChanges();
-        }
+        unitOfWork.SaveChanges();
     }
-}
+}

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Example1/Infrastructure/IUnitOfWork1.cs

@@ -6,8 +6,7 @@ namespace UnitOfWorkLibrary.Example1.Infrastructure;
 public interface IUnitOfWork1
 {
     IRepository1<Customer> CustomerRepository { get; }
-
     IRepository1<Order> OrderRepository { get; }
 
     void SaveChanges();
-}
+}

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Example1/Infrastructure/OrderManagementContext1.cs

@@ -6,7 +6,6 @@ namespace UnitOfWorkLibrary.Example1.Infrastructure;
 public class OrderManagementContext1 : DbContext
 {
     public DbSet<Customer> Customers { get; set; }
-
     public DbSet<Order> Orders { get; set; }
 
     protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder) =>

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Example1/Infrastructure/UnitOfWork1.cs

@@ -7,15 +7,14 @@ namespace UnitOfWorkLibrary.Example1.Infrastructure;
 /// <summary>
 /// The unit of work class serves one purpose:
 /// to make sure that when you use multiple repositories, they share a single database context.
-/// That way, when a unit of work is complete you can call the SaveChanges method on that instance
+/// That way, when a unit of work is completed you can call the SaveChanges method on that instance
 /// of the context and be assured that all related changes will be coordinated.
 /// </summary>
-/// </summary>
 public class UnitOfWork1 : IUnitOfWork1
 {
     private readonly OrderManagementContext1 _context;
-    private IRepository1<Customer> _customerRepository;
-    private IRepository1<Order> _orderRepository;
+    private IRepository1<Customer>? _customerRepository;
+    private IRepository1<Order>? _orderRepository;
 
     public UnitOfWork1(OrderManagementContext1 context)
     {

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Example2/Controllers/OrderController2.cs

@@ -14,8 +14,8 @@ public OrderController2(IOrderRepository orderRepository)
 
     public async Task<Order> CreateAsync(int id, string description, string deliveryAddress, decimal price)
     {
-        // ID is usually auto-genereated by database.
-        var newOrder = new Order()
+        // ID is usually auto-generated by database.
+        var newOrder = new Order
         {
             Id = id,
             Description = description,
@@ -31,5 +31,5 @@ public async Task<Order> CreateAsync(int id, string description, string delivery
 
     public IEnumerable<Order> GetAll() => _orderRepository.GetAll();
 
-    public Order GetTheMostExpensive() => _orderRepository.GetTheMostExpensive();
-}
+    public Order? GetTheMostExpensive() => _orderRepository.GetTheMostExpensive();
+}

src/AdditionalPatterns/UnitOfWork/UnitOfWorkLibrary/Example2/Example2Executor.cs

@@ -59,26 +59,24 @@ async Task CreateNewOrderAsync()
 
     private static async Task InitializeDatabaseAsync()
     {
-        using (var context = new OrderManagementContext2())
-        {
-            context.Database.EnsureDeleted();
-            context.Database.EnsureCreated();
+        using var context = new OrderManagementContext2();
+        context.Database.EnsureDeleted();
+        context.Database.EnsureCreated();
 
-            var emma = new Customer { Id = 1, FirstName = "Emma", LastName = "Johnson" };
-            var marc = new Customer { Id = 2, FirstName = "Marc", LastName = "Milston" };
+        var emma = new Customer { Id = 1, FirstName = "Emma", LastName = "Johnson" };
+        var marc = new Customer { Id = 2, FirstName = "Marc", LastName = "Milston" };
 
-            var camera = new Order { Id = 1, Description = "Camera", DeliveryAddress = "Address 1", Price = 550 };
-            var wallet = new Order { Id = 2, Description = "Wallet", DeliveryAddress = "Address 2", Price = 10 };
+        var camera = new Order { Id = 1, Description = "Camera", DeliveryAddress = "Address 1", Price = 550 };
+        var wallet = new Order { Id = 2, Description = "Wallet", DeliveryAddress = "Address 2", Price = 10 };
 
-            var customerRepository = new CustomerRepository(context);
-            var orderRepository = new OrderRepository(context);
+        var customerRepository = new CustomerRepository(context);
+        var orderRepository = new OrderRepository(context);
 
-            customerRepository.Add(emma);
-            customerRepository.Add(marc);
-            orderRepository.Add(camera);
-            orderRepository.Add(wallet);
+        customerRepository.Add(emma);
+        customerRepository.Add(marc);
+        orderRepository.Add(camera);
+        orderRepository.Add(wallet);
 
-            await orderRepository.UnitOfWork.SaveChangesAndDispatchDomainEventsAsync();
-        }
+        await orderRepository.UnitOfWork.SaveChangesAndDispatchDomainEventsAsync();
     }
-}
+}