public async Task <Result> Handle(CreateProductCommand request, CancellationToken cancellationToken)
{
try
{
var supplier = await _context.Supplier.FindAsync(request.SupplierId);
var category = _context.ProductCategory.Single(c => c.Id == request.CategoryId);
var product = _mapper.Map <Product>(request);
product.Category = category;
supplier.AddProduct(product);
await _context.SaveChangesAsync();
return(new Result(request.SupplierId));
}
catch (DbUpdateException ex)
{
if (ex.IsDuplicateKeyError())
{
throw new PurchaseOrderTrackerException("A duplicate product already exists");
}
throw;
}
}
protected override async Task Handle(EditStatusCommand request, CancellationToken cancellationToken)
{
var shipment = await _context.Shipment
.Include(s => s.PurchaseOrders)
.SingleAsync(s => s.Id == request.ShipmentId);
switch (request.UpdatedStatus)
{
case ShipmentStatus.Trigger.AwaitingShipping:
shipment.UpdateStatus(ShipmentStatus.Trigger.AwaitingShipping);
break;
case ShipmentStatus.Trigger.Shipped:
shipment.UpdateStatus(ShipmentStatus.Trigger.Shipped);
break;
case ShipmentStatus.Trigger.Delivered:
shipment.UpdateStatus(ShipmentStatus.Trigger.Delivered);
break;
default:
throw new PurchaseOrderTrackerException($"Unexpected update status value '{request.UpdatedStatus}'");
}
await _context.SaveChangesAsync();
}
public async Task <Result> Handle(EditCommand request, CancellationToken cancellationToken)
{
var order = await _context.PurchaseOrder
.Include(p => p.Supplier)
.Include(p => p.Status)
.Include(p => p.Shipment)
.ThenInclude(s => s.Status)
.SingleAsync(p => p.Id == request.PurchaseOrderId);
order.OrderNo = request.OrderNo;
await UpdateShipmentIfChanged(request, order);
await UpdateSupplierIfChanged(request, order);
await _context.SaveChangesAsync();
var result = _mapper.Map <Domain.Models.PurchaseOrderAggregate.PurchaseOrder, Result>(order);
var suppliers = await _context.Supplier.ToListAsync();
var shipments = (await _context.Shipment.ToListAsync()).Where(s => s.CanBeAssignedToPurchaseOrder).ToList();
result.SupplierOptions = suppliers.ToDictionary(s => s.Id, c => c.Name.Value);
result.ShipmentOptions = shipments.ToDictionary(s => s.Id, c => c.TrackingId);
return(result);
}
protected override async Task Handle(DeleteCommand request, CancellationToken cancellationToken)
{
var shipment = await _context.Shipment.SingleAsync(s => s.Id == request.ShipmentId);
ThrowExceptionIfCannotBeDeleted(shipment);
_context.Shipment.Remove(shipment);
await _context.SaveChangesAsync();
}
public async Task <Result> Handle(EditCommand request, CancellationToken cancellationToken)
{
var supplier = await _context.Supplier.FindAsync(request.SupplierId);
_mapper.Map(request, supplier);
await _context.SaveChangesAsync();
return(new Result(_mapper.Map <Result.SupplierViewModel>(supplier)));
}
public async Task <Result> Handle(EditCommand request, CancellationToken cancellationToken)
{
var shipment = await _context.Shipment.SingleAsync(s => s.Id == request.ShipmentId);
_mapper.Map(request, shipment);
await _context.SaveChangesAsync();
return(_mapper.Map <Result>(shipment));
}
protected override async Task Handle(EditProductCategoryCommand request, CancellationToken cancellationToken)
{
var supplier = await _context.Supplier.FindAsync(request.SupplierId);
var category = await _context.Entry(supplier).Collection(s => s.ProductCategories).Query()
.Where(c => c.Id == request.CategoryId).SingleAsync();
category.Name = request.Name;
await _context.SaveChangesAsync();
}
protected override async Task Handle(DeleteCommand request, CancellationToken cancellationToken)
{
var supplier = await _context.Supplier.SingleAsync(s => s.Id == request.SupplierId);
// TODO
// if (!supplier.CanBeDeleted)
// throw new PurchaseOrderTrackerException("Supplier cannot be deleted");
_context.Supplier.Remove(supplier);
await _context.SaveChangesAsync();
}
public async Task <Result> Handle(CreateCommand request, CancellationToken cancellationToken)
{
var supplier = await _context.Supplier.FindAsync(request.SupplierId);
var purchaseOrder = new Domain.Models.PurchaseOrderAggregate.PurchaseOrder(request.OrderNo, supplier);
_context.PurchaseOrder.Add(purchaseOrder);
await _context.SaveChangesAsync();
return(new Result(purchaseOrder.Id));
}
public async Task <Result> Handle(DeleteLineItemCommand request, CancellationToken cancellationToken)
{
var purchaseOrder = await _context.PurchaseOrder.Include(o => o.LineItems).SingleAsync(o => o.Id == request.PurchaseOrderId);
var lineItem = purchaseOrder.LineItems.Single(li => li.Id == request.LineItemId);
purchaseOrder.RemoveLineItem(lineItem);
await _context.SaveChangesAsync();
return(new Result(request.PurchaseOrderId));
}
protected override async Task Handle(DeleteCommand request, CancellationToken cancellationToken)
{
var order = await _context.PurchaseOrder.Include(p => p.Status).SingleAsync(p => p.Id == request.PurchaseOrderId);
if (!order.CanBeDeleted)
{
throw new PurchaseOrderTrackerException("Shipment cannot be deleted");
}
_context.PurchaseOrder.Remove(order);
await _context.SaveChangesAsync();
}
public async Task <Result> Handle(DeleteProductCommand request, CancellationToken cancellationToken)
{
var supplier = await _context.Supplier.FindAsync(request.SupplierId);
var product = await _context.Entry(supplier).Collection(s => s.Products).Query()
.Where(p => p.Id == request.ProductId).SingleAsync();
supplier.RemoveProduct(product);
await _context.SaveChangesAsync();
return(new Result(request.SupplierId));
}
public async Task <Result> Handle(EditProductCommand request, CancellationToken cancellationToken)
{
var supplier = await _context.Supplier.FindAsync(request.SupplierId);
var product = await _context.Entry(supplier).Collection(s => s.Products).Query()
.Where(p => p.Id == request.ProductId).SingleAsync();
product.ProductCode = request.ProdCode;
product.Name = request.ProdName;
product.Price = request.Price;
product.Category = await DetermineNewCategory(_context, supplier, product.Category, request.CategoryId);
await _context.SaveChangesAsync();
return(new Result(request.SupplierId));
}
public async Task <Result> Handle(CreateLineItemCommand request, CancellationToken cancellationToken)
{
var purchaseOrder = await _context.PurchaseOrder
.Include(p => p.Supplier)
.SingleAsync(o => o.Id == request.PurchaseOrderId);
// TODO: throw exception is product is null?
var product = await _context.Product.FindAsync(request.ProductId);
var lineItem = new PurchaseOrderLine(product, request.PurchasePrice.Value, request.PurchaseQty);
purchaseOrder.AddLineItem(lineItem);
await _context.SaveChangesAsync();
return(new Result(request.PurchaseOrderId));
}
public async Task <Result> Handle(EditLineItemCommand request, CancellationToken cancellationToken)
{
var purchaseOrder = await _context.PurchaseOrder
.Include(p => p.Supplier)
.Include(p => p.LineItems)
.ThenInclude(li => li.Product)
.SingleAsync(o => o.Id == request.PurchaseOrderId);
var lineItem = purchaseOrder.LineItems.Single(li => li.Id == request.LineItemId);
await UpdateProductIfChanged(lineItem, request);
lineItem.PurchasePrice = request.PurchasePrice;
lineItem.PurchaseQty = request.PurchaseQty;
await _context.SaveChangesAsync();
return(new Result(request.PurchaseOrderId));
}
protected override async Task Handle(CreateProductCategoryCommand request, CancellationToken cancellationToken)
{
try
{
var supplier = await _context.Supplier.FindAsync(request.SupplierId);
supplier.AddCategory(new ProductCategory(request.Name));
await _context.SaveChangesAsync();
}
catch (DbUpdateException ex)
{
if (ex.IsDuplicateKeyError())
{
throw new PurchaseOrderTrackerException("A duplicate product category already exists");
}
throw;
}
}
public async Task <Result> Handle(CreateCommand request, CancellationToken cancellationToken)
{
try
{
var shipment = _mapper.Map <Domain.Models.ShipmentAggregate.Shipment>(request);
_context.Shipment.Add(shipment);
await _context.SaveChangesAsync();
return(new Result(shipment.Id));
}
catch (DbUpdateException ex)
{
if (ex.IsDuplicateKeyError())
{
// TODO: throw a new type of exception which is handled in the request pipeline
// with a generic "duplicate record" error message
throw new PurchaseOrderTrackerException("A duplicate shipment already exists");
}
throw;
}
}
public async Task <Result> Handle(CreateCommand request, CancellationToken cancellationToken)
{
try
{
var supplier = _mapper.Map <Domain.Models.SupplierAggregate.Supplier>(request);
_context.Supplier.Add(supplier);
await _context.SaveChangesAsync();
await _mediator.Publish(new Notification(supplier.Id));
return(new Result(supplier.Id));
}
catch (DbUpdateException ex)
{
if (ex.IsDuplicateKeyError())
{
throw new PurchaseOrderTrackerException($"A supplier with the name {request.Name} already exists");
}
throw;
}
}
protected override async Task Handle(EditStatusCommand request, CancellationToken cancellationToken)
{
var order = await _context.PurchaseOrder.Include(p => p.Status).SingleAsync(p => p.Id == request.PurchaseOrderId);
switch (request.UpdatedStatus)
{
case PurchaseOrderStatus.Trigger.PendingApproval:
order.UpdateStatus(PurchaseOrderStatus.Trigger.PendingApproval);
break;
case PurchaseOrderStatus.Trigger.Approved:
order.UpdateStatus(PurchaseOrderStatus.Trigger.Approved);
break;
case PurchaseOrderStatus.Trigger.Cancelled:
order.UpdateStatus(PurchaseOrderStatus.Trigger.Cancelled);
break;
default:
throw new PurchaseOrderTrackerException($"Unexpected update status value '{request.UpdatedStatus}'");
}
await _context.SaveChangesAsync();
}
