// 128=~256=Eli Russo~512=~2048=~8192=Christine Gerkhardt~32768=~65536=~131072=~1048576=~
public bool UpdateAttendance(int evid, int activeRoles, string staffStr)
{
try
{
// Check for and delete people assigned to un-needed roles.
List <int> RoleList = Enum.GetValues(typeof(Attendance.AttendanceRoles)).Cast <int>().Where(r => (int)r >= (int)Attendance.AttendanceRoles.Sch_Host).Select(x => x).ToList();
foreach (var r in RoleList)
{
if ((r & activeRoles) == 0)
{
// Staff Role now not needed
Attendance delAtt = _context.Attendance.AsNoTracking().FirstOrDefault(a => (a.EventId == evid) && (a.RoleType == r));
if (delAtt != null)
{
_context.Attendance.Remove(delAtt);
_context.SaveChanges();
}
}
}
if (!string.IsNullOrEmpty(staffStr))
{
List <KeyValuePair <int, string> > kvpList = new List <KeyValuePair <int, string> >();
var pairs = staffStr.Split("~");
if (pairs.Length == 0)
{
return(false);
}
foreach (var p in pairs)
{
var flds = p.Split("=");
if (flds.Length >= 1)
{
var keyStr = flds[0].Trim();
if (!string.IsNullOrEmpty(keyStr))
{
if (int.TryParse(keyStr, out int key))
{
var val = (flds.Length == 2) ? flds[1].Trim() : "";
var kvp = new KeyValuePair <int, string>(key, val);
kvpList.Add(kvp);
}
}
}
}
kvpList.ForEach(kv =>
{
Attendance att = _context.Attendance.AsNoTracking().FirstOrDefault(a => (a.EventId == evid) && (a.RoleType == kv.Key));
if (att != null)
{
if (string.IsNullOrEmpty(kv.Value))
{
// Delete current
_context.Attendance.Remove(att);
_context.SaveChanges();
}
else
{
// Update Current
List <Person> persList = Person.PeopleFromNameHint(_context, kv.Value);
if (persList.Count == 1)
{
att.PersonId = persList[0].Id;
_context.Attendance.Attach(att);
_context.Entry(att).State = EntityState.Modified;
_context.SaveChanges();
}
}
}
else
{
if (!string.IsNullOrEmpty(kv.Value))
{
// Add new Attendance
var newAtt = new Attendance();
newAtt.EventId = evid;
newAtt.RoleType = kv.Key;
List <Person> persList = Person.PeopleFromNameHint(_context, kv.Value);
newAtt.PersonId = (persList.Count == 1) ? persList[0].Id : Person.AddPersonFromNameHint(_context, kv.Value);
if (newAtt.PersonId > 0)
{
_context.Attendance.Add(newAtt);
_context.SaveChanges();
}
}
}
});
}
}
catch
{
return(false);
}
return(true);
}