public async Task <Unit> Handle(ChangeItemCommand request, CancellationToken cancellationToken)
{
// auth user id, later with service
var authUserId = request.UserId;
// only member that created the item can remove it
if (!await _repository.CanAlterShoppingTripItem(authUserId, request.GroupId, request.ShoppingTripId,
request.ShoppingTripItemId, cancellationToken))
{
throw new NotCreatorOfShoppingTripItemException();
}
// attach shoppingTripItem
var item = new ShoppingTripItem {
Id = request.ShoppingTripItemId
};
_repository.Items.Attach(item); // sure we can map and do update to mark it dirty but whatever
// update props
item.Name = request.UpdatedShoppingTripItem.Name;
item.Amount = request.UpdatedShoppingTripItem.Amount;
item.IsFresh = request.UpdatedShoppingTripItem.IsFresh;
item.Price = request.UpdatedShoppingTripItem.Price;
item.ImageUrl = request.UpdatedShoppingTripItem.ImageUrl;
await _repository.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
public async Task <Unit> Handle(RemoveItemCommand request, CancellationToken cancellationToken)
{
// auth user id, later with service
var authUserId = request.UserId;
// only member that created the item can remove it
if (!await _repository.CanAlterShoppingTripItem(authUserId, request.GroupId, request.ShoppingTripId,
request.ItemId, cancellationToken))
{
throw new NotCreatorOfShoppingTripItemException();
}
// remove the item
var shoppingTripItem = new ShoppingTripItem {
Id = request.ItemId
};
_repository.Items.Remove(shoppingTripItem);
await _repository.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
