private bool QueryIsEmpty(ProgQuery query)
{
return(string.IsNullOrWhiteSpace(query.Artist) &&
string.IsNullOrWhiteSpace(query.MonthYear) &&
string.IsNullOrWhiteSpace(query.Cover) &&
string.IsNullOrWhiteSpace(query.Year));
}
public IPagedList <ProgInfo> FindProgs(ProgQuery query)
{
List <ProgInfo> progs;
//nearly forgot to handle the degenerate case. If we don't have any query parameters, return everything
if (QueryIsEmpty(query))
{
progs = progStore
.GetAllProgs()
.OrderBy(prog => prog.Prog)
.ToList();
}
else
{
progs = progStore.GetProgsByArtist(query.Artist)
.Concat(progStore.GetProgsByMonthYear(query.MonthYear))
.Concat(progStore.GetProgsByCover(query.Cover))
.Concat(progStore.GetProgsByYear(query.Year))
.DistinctBy(prog => prog.Prog)
.OrderBy(prog => prog.Prog)
.ToList();
}
return(progs.ToPagedList(query.Page, query.PageSize));
}