private async Task UpdateSupplierIfChanged(EditCommand command, Domain.Models.PurchaseOrderAggregate.PurchaseOrder order)
{
if (order.Supplier.Id != command.SupplierId)
{
_context.Entry(order).Collection(o => o.LineItems).Load();
var supplier = await _context.Supplier.FindAsync(command.SupplierId);
order.ChangeSupplier(supplier);
}
}
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();
}
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));
}
private async Task <ProductCategory> DetermineNewCategory(
PoTrackerDbContext context,
Domain.Models.SupplierAggregate.Supplier supplier,
ProductCategory modelCategory, int?commandCategoryId)
{
if (modelCategory != null && commandCategoryId == null)
{
return(null);
}
if ((modelCategory == null && commandCategoryId != null) ||
(modelCategory != null && modelCategory.Id != commandCategoryId))
{
return(await context.Entry(supplier).Collection(s => s.ProductCategories).Query()
.Where(c => c.Id == commandCategoryId).SingleAsync());
}
return(null);
}
