public JsonResult GetAvailableCategories(int?course, int?formId, int?paymentId, int?termId, int?nameId)
{
if (selectedUnits == null)
{
return(Json(Enumerable.Empty <object>(), JsonRequestBehavior.AllowGet));
}
var specialties = new Querier().GetAvailableSpecialties(selectedUnits, course, formId, paymentId, termId, nameId);
if (specialties == null)
{
return(Json(Enumerable.Empty <object>(), JsonRequestBehavior.AllowGet));
}
Func <DirectEnrolmentUnit, object> propertySelector = null;
Func <object, object> newObjectSelector = (o) => new
{
fullName = ((dynamic)o).FullName,
shortName = ((dynamic)o).ShortName,
id = ((dynamic)o).Id
};
if (course == null || course == 0)
{
return(GetCourses());
}
else if (formId == null || formId == 0)
{
propertySelector = (u) => u.EducationForm;
}
else if (termId == null || termId == 0)
{
propertySelector = (u) => u.EducationTerm;
}
else if (paymentId == null || paymentId == 0)
{
propertySelector = (u) => u.EducationPayment;
}
else if (nameId == null || nameId == 0)
{
propertySelector = (u) => u.GovernmentSpecialty;
newObjectSelector = (n) => new
{
fullName = ((GovernmentSpecialty)n).FullName,
shortName = ((GovernmentSpecialty)n).ShortName,
id = ((GovernmentSpecialty)n).Id,
qualification = ((GovernmentSpecialty)n).Qualification
};
}
else
{
return(Json(specialties.Select(selector), JsonRequestBehavior.AllowGet));
}
var categories = specialties.Select(propertySelector).Distinct();
return(Json(categories.Select(newObjectSelector), JsonRequestBehavior.AllowGet));
}
public JsonResult GetGroupedSpecialties(int groupId)
{
var specialties = new Querier().GetGroupedSpecialties(groupId);
return(Json(specialties == null ? Enumerable.Empty <object>() : specialties.Select(selector), JsonRequestBehavior.AllowGet));
}
