private void UpdateCounselorCompounds(string[] selectedOptions, Compound compoundToUpdate)
{
if (selectedOptions == null)
{
compoundToUpdate.CounselorCompounds = new List <CounselorCompound>();
return;
}
var selectedOptionsHS = new HashSet <string>(selectedOptions);
var compoundCounselors = new HashSet <int>(compoundToUpdate.CounselorCompounds.Select(b => b.CounselorID));
foreach (var s in _context.Counselors)
{
if (selectedOptionsHS.Contains(s.ID.ToString()))
{
if (!compoundCounselors.Contains(s.ID))
{
compoundToUpdate.CounselorCompounds.Add(new CounselorCompound
{
CounselorID = s.ID,
CompoundID = compoundToUpdate.ID
});
}
}
else
{
if (compoundCounselors.Contains(s.ID))
{
CounselorCompound specToRemove = compoundToUpdate.CounselorCompounds.SingleOrDefault(d => d.CounselorID == s.ID);
_context.Remove(specToRemove);
}
}
}
}
private void UpdateCamperDietaryRestrictions(string[] selectedOptions, Camper camperToUpdate)
{
if (selectedOptions == null)
{
camperToUpdate.CamperDiets = new List <CamperDiet>();
return;
}
var selectedDietaryRestrictionsHS = new HashSet <string>(selectedOptions);
var camperDietaryRestrictionsHS = new HashSet <int>
(camperToUpdate.CamperDiets.Select(c => c.DietaryRestrictionID));//IDs of the currently selected dietaryRestrictions
foreach (var cond in _context.DietaryRestrictions)
{
if (selectedDietaryRestrictionsHS.Contains(cond.ID.ToString()))
{
if (!camperDietaryRestrictionsHS.Contains(cond.ID))
{
camperToUpdate.CamperDiets.Add(new CamperDiet {
CamperID = camperToUpdate.ID, DietaryRestrictionID = cond.ID
});
}
}
else
{
if (camperDietaryRestrictionsHS.Contains(cond.ID))
{
CamperDiet dietaryRestrictionToRemove = camperToUpdate.CamperDiets.SingleOrDefault(c => c.DietaryRestrictionID == cond.ID);
_context.Remove(dietaryRestrictionToRemove);
}
}
}
}