public async Task <string> AddInstitution(Institution ins, string type)
{
switch (type)
{
case "clinic": db.Clinics.Add(ins.ConvertToClinic()); break;
case "laboratory": db.Labaratories.Add(ins.ConvertToLabaratory()); break;
case "pharmacy": db.Pharmacies.Add(ins.ConvertToPharmacy()); break;
}
await db.SaveChangesAsync();
return("OKey!");
}