public CustomerPaggingFilterDto(
CustomerOrderBy orderBy,
OrderType orderType,
int skip,
int take)
: base(skip, take)
{
OrderBy = orderBy;
OrderType = orderType;
}
public static IQueryable <Customer> OrderCustomersBy(
this IQueryable <Customer> queriableCustomers,
CustomerOrderBy orderBy,
OrderType orderType)
{
switch (orderBy)
{
case CustomerOrderBy.SimpleOrder:
if (orderType == OrderType.Asc)
{
return(queriableCustomers.OrderBy(c => c.Id));
}
else
{
return(queriableCustomers.OrderByDescending(c => c.Id));
}
case CustomerOrderBy.FirstName:
if (orderType == OrderType.Asc)
{
return(queriableCustomers.OrderBy(c => c.FirstName));
}
else
{
return(queriableCustomers.OrderByDescending(c => c.FirstName));
}
case CustomerOrderBy.LastName:
if (orderType == OrderType.Asc)
{
return(queriableCustomers.OrderBy(c => c.LastName));
}
else
{
return(queriableCustomers.OrderByDescending(c => c.LastName));
}
default:
throw new ArgumentOutOfRangeException($"Argument {nameof(CustomerOrderBy)} out of range, don't expect {orderBy.ToString()}");
}
}
