private IQueryable <rent_position> IQRentPos(List <SortingInfo> sortings = null, FilterInfo filters = null)
{
//kamus
IQueryable <rent_position> list = context.rent_position;
string dateParam = null;
FilterInfo copyFilters = null;
//algoritma
if (filters != null)
{
copyFilters = filters.Clone();
}
if (copyFilters != null)
{
copyFilters.FormatFieldToUnderscore();
dateParam = copyFilters.RemoveFilterField("filter_date");
GridHelper.ProcessFilters <rent_position>(copyFilters, ref list);
}
//menangani date filter
if (dateParam != null)
{
DateTime dt = DateTime.Parse(dateParam);
dt = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
DateTimeOffset dto = dt;
int diffHours = TimeZoneInfo.Local.BaseUtcOffset.Hours;
int minutes = diffHours * 60;
//list = list.Where(m =>
// dto >= DbFunctions.TruncateTime(DbFunctions.AddMinutes(m.start_rent, minutes)) &&
// DbFunctions.TruncateTime(DbFunctions.AddMinutes(m.finish_rent, minutes)) >= dto);
}
if (sortings != null && sortings.Count > 0)
{
foreach (var s in sortings)
{
s.FormatSortOnToUnderscore();
list = list.OrderBy <rent_position>(s.SortOn + " " + s.SortOrder);
}
}
else
{
list = list.OrderBy <rent_position>("id desc"); //default, wajib ada atau EF error
}
return(list);
}
/// <summary>
/// ada kemungkinan penanganan datetime with offset disamakan dengan fungsi find all yang 1 lagi
/// filter khusus
/// filter_date: mengambil data rent dengan start <= filter_date <= end
/// without_invoice: mengambil data rent yang belum memiliki invoice
/// include_id: mengambil data rent dengan id = ...
/// </summary>
/// <param name="sortings"></param>
/// <param name="filters"></param>
/// <returns></returns>
private IQueryable <rent> IQRent(List <SortingInfo> sortings = null, FilterInfo filters = null)
{
//kamus
IQueryable <rent> list = context.rents;
string dateParam = null;
string withoutInvoiceParam = null;
string withoutExpenseParam = null;
string idParam = null;
FilterInfo copyFilters = null;
//algoritma
if (filters != null)
{
copyFilters = filters.Clone();
}
if (copyFilters != null && (copyFilters.Field != null || copyFilters.Filters != null))
{
copyFilters.FormatFieldToUnderscore();
dateParam = copyFilters.RemoveFilterField("filter_date");
withoutInvoiceParam = copyFilters.RemoveFilterField("without_invoice");
withoutExpenseParam = copyFilters.RemoveFilterField("without_expense");
idParam = copyFilters.RemoveFilterField("include_id");
GridHelper.ProcessFilters <rent>(copyFilters, ref list);
}
//menangani date filter
if (dateParam != null)
{
DateTime dt = DateTime.Parse(dateParam);
dt = DateTime.SpecifyKind(dt, DateTimeKind.Utc);
DateTimeOffset dto = dt;
int diffHours = TimeZoneInfo.Local.BaseUtcOffset.Hours;
int minutes = diffHours * 60;
list = list.Where(m =>
dto >= DbFunctions.TruncateTime(DbFunctions.AddMinutes(m.start_rent, minutes)) &&
DbFunctions.TruncateTime(DbFunctions.AddMinutes(m.finish_rent, minutes)) >= dto);
}
//menangani without invoice
if (withoutInvoiceParam != null)
{
if (idParam == null)
{
list = list.Where(m => m.invoices.Count() == 0);
}
else
{
list = list.Where(m => m.id == new Guid(idParam) || m.invoices.Count() == 0);
}
}
//menangani without expense
if (withoutExpenseParam != null)
{
if (idParam == null)
{
list = list.Where(m => m.expenses.Count() == 0);
}
else
{
list = list.Where(m => m.id == new Guid(idParam) || m.expenses.Count() == 0);
}
}
if (sortings != null && sortings.Count > 0)
{
foreach (var s in sortings)
{
s.FormatSortOnToUnderscore();
list = list.OrderBy <rent>(s.SortOn + " " + s.SortOrder);
}
}
else
{
list = list.OrderBy <rent>("id desc"); //default, wajib ada atau EF error
}
return(list);
}
