public void UpdateProductQuantity(IEnumerable <UpdatedProductSnapshot> productSnapshotDtos)
{
var changedProducts = GetBaseProductByItsSnapshot(productSnapshotDtos);
if (changedProducts.Any())
{
foreach (var product in changedProducts)
{
var numberofSoldProduct = productSnapshotDtos
.SingleOrDefault(f => f.ProductNumber == product.ProductNumber).Amount;
product.UpdateQuantity(product.Quantity - numberofSoldProduct);
}
context.SaveChanges();
}
}
public void UpdateCustomerEmotion(CustomerModel customer, CreateTransactionCommand command)
{
customer.LastestCustomerEmotion = command.CustomerEmotion;
customer.EmotionProbability = command.CustomerEmotionProbability;
context.Entry <CustomerModel>(customer).State = System.Data.Entity.EntityState.Modified;
context.SaveChanges();
}
public void Handle(DeleteProductCommand command)
{
var matchedProduct = context.Set <BaseProduct>()
.FirstOrDefault(x => x.Id == command.Id);
if (matchedProduct == null)
{
throw new NullReferenceException();
}
context.Set <BaseProduct>().Remove(matchedProduct);
context.SaveChanges();
}
public string Handle(EditCustomerCommand command)
{
var existingCustomer = context.Set <CustomerBase>()
.FirstOrDefault(x => x.CustomerId == command.CustomerId);
if (existingCustomer == null)
{
throw new CustomerNotFoundException(command.CustomerId);
}
existingCustomer.Update(mapper.Map <Model.Customer.UpdatedCustomer>(command));
context.SaveChanges();
return(existingCustomer.CustomerId);
}
public Guid Handle(UpdateTransactionCommand command)
{
var existingtransaction = context.Set <Transaction>()
.FirstOrDefault(x => x.TransactionNumber == command.TransactionNumber);
if (existingtransaction == null)
{
throw new TransactionIsNotExistException(command.TransactionNumber);
}
existingtransaction.Update(mapper.Map <UpdatedTransaction>(command));
UpdateProduct(existingtransaction, command);
context.SaveChanges();
return(existingtransaction.Id);
}
public string Handle(DeleteTransactionCommand command)
{
var existingTransaction = context.Set <Transaction>()
.Include(x => x.ProductSnapshot)
.FirstOrDefault(x => x.TransactionNumber == command.TransactionId);
if (existingTransaction == null)
{
throw new TransactionIsNotExistException(command.TransactionId);
}
productUpdater.DeleteExistingProductSnapshot(existingTransaction.Id);
context.Set <Transaction>().Remove(existingTransaction);
context.SaveChanges();
return(command.TransactionId);
}
public string Handle(CreateCustomerCommand command)
{
var existingCustomer = context.Set <CustomerModel>()
.AsNoTracking()
.FirstOrDefault(x => x.CustomerId == command.CustomerId);
if (existingCustomer != null)
{
throw new DuplicateCustomerException(command.CustomerId);
}
var newCustomer = mapper.Map <CustomerModel>(command);
context.Set <CustomerModel>().Add(newCustomer);
context.SaveChanges();
return(newCustomer.CustomerId);
}
public string Handle(EditProductCommnand commnand)
{
var existingProduct = context.Set <BaseProduct>()
.SingleOrDefault(x => x.ProductNumber == commnand.ProductNumber);
if (existingProduct == null)
{
throw new NullReferenceException($"The product with ID {commnand.ProductNumber} does not exist.");
}
existingProduct.Update(
commnand.Name,
commnand.Price,
commnand.Quantity,
commnand.ExpiryDate,
commnand.ManufacturingDate);
context.SaveChanges();
return(existingProduct.ProductNumber);
}