public async Task CreateCustomer(Customer customer)
{
await VerifyCustomerNameIsUnique(customer);
_dbContext.Customers.Add(customer);
await _dbContext.SaveChangesAsync();
}
public async Task CreateProduct(Product product)
{
await VerifyProductNameIsUnique(product);
_dbContext.Products.Add(product);
await _dbContext.SaveChangesAsync();
}
public async Task <Unit> Handle(CreateOrderV1Command request, CancellationToken cancellationToken)
{
await VerifyCustomerExists(request.Order.CustomerID);
_dbContext.Orders.Add(request.Order);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(CreateProductV1Command request, CancellationToken cancellationToken)
{
await VerifyProductNameIsUnique(request.Product.Name);
_dbContext.Products.Add(request.Product);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(UpdateCustomerV1Command request, CancellationToken cancellationToken)
{
await VerifyCustomerExists(request.Customer.ID);
await VerifyCustomerNameIsUnique(request.Customer.ID, request.Customer.FirstName, request.Customer.LastName);
_dbContext.Update(request.Customer);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(UpdateOrderV1Command request, CancellationToken cancellationToken)
{
await VerifyOrderExists(request.Order.ID);
await VerifyOrderHasNotShipped(request.Order.ID);
_dbContext.Update(request.Order);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task CreateOrder(Order order)
{
await VerifyCustomerExists(order.CustomerID);
_dbContext.Orders.Add(order);
await _dbContext.SaveChangesAsync();
}
public async Task <Unit> Handle(DeleteProductV1Command request, CancellationToken cancellationToken)
{
await VerifyProductExists(request.ProductID);
await VerifyProductHasNoOrders(request.ProductID);
var product = await _dbContext.Products.FindAsync(request.ProductID);
_dbContext.Products.Remove(product);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(DeleteCustomerV1Command request, CancellationToken cancellationToken)
{
await VerifyCustomerExists(request.CustomerID);
await VerifyCustomerHasNoOrders(request.CustomerID);
var customer = await _dbContext.Customers.FindAsync(request.CustomerID);
_dbContext.Customers.Remove(customer);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(CreateOrderItemV1Command request, CancellationToken cancellationToken)
{
await VerifyOrderExists(request.OrderItem.OrderID);
await VerifyOrderHasNotShipped(request.OrderItem.OrderID);
await VerifyProductExists(request.OrderItem.ProductID);
await VerifyOrderItemProductIsUnique(request.OrderItem);
_dbContext.OrderItems.Add(request.OrderItem);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public async Task <Unit> Handle(DeleteOrderItemV1Command request, CancellationToken cancellationToken)
{
await VerifyOrderItemExists(request.OrderItemID);
var orderItem = await _dbContext.OrderItems.FindAsync(request.OrderItemID);
await VerifyOrderExists(orderItem.OrderID);
await VerifyOrderHasNotShipped(orderItem.OrderID);
_dbContext.OrderItems.Remove(orderItem);
await _dbContext.SaveChangesAsync();
return(Unit.Value);
}
public Task SaveChanges() => _dbContext.SaveChangesAsync();
