/// <summary>
/// Load/Refresh all Attendees for a conference
/// </summary>
public static void RefreshAttendees(Int64 AConferenceKey)
{
TDBTransaction Transaction = new TDBTransaction();
bool SubmissionOK = true;
PcConferenceTable ConferenceTable;
PUnitTable UnitTable;
string OutreachPrefix = String.Empty;
ConferenceApplicationTDS MainDS;
// make sure outreach codes are up to date in case it has changed in Unit record
RefreshOutreachCode(AConferenceKey);
DBAccess.WriteTransaction(
ref Transaction,
ref SubmissionOK,
delegate
{
ConferenceTable = new PcConferenceTable();
UnitTable = new PUnitTable();
MainDS = new ConferenceApplicationTDS();
// get the conference prefix which links all outreaches associated with a conference
ConferenceTable = PcConferenceAccess.LoadByPrimaryKey(AConferenceKey, Transaction);
if (ConferenceTable.Count == 0)
{
throw new Exception("Cannot find conference " + AConferenceKey.ToString("0000000000"));
}
OutreachPrefix = ConferenceTable[0].OutreachPrefix;
// load application data for all conference attendees from db
TApplicationManagement.GetApplications(ref MainDS, AConferenceKey, OutreachPrefix, "all", -1, true, null, false);
// check a valid pcattendee record exists for each short term application
foreach (PmShortTermApplicationRow ShortTermAppRow in MainDS.PmShortTermApplication.Rows)
{
if (!IsAttendeeValid(MainDS, OutreachPrefix, ShortTermAppRow.PartnerKey))
{
// ignore deleted applications, or cancelled applications
continue;
}
// update outreach code in application (it may have changed)
UnitTable = PUnitAccess.LoadByPrimaryKey(ShortTermAppRow.StConfirmedOption, Transaction);
ShortTermAppRow.ConfirmedOptionCode = ((PUnitRow)UnitTable.Rows[0]).OutreachCode;
// Do we have a record for this attendee yet?
bool AttendeeRecordExists = false;
if (MainDS.PcAttendee.Rows.Contains(new object[] { AConferenceKey, ShortTermAppRow.PartnerKey }))
{
AttendeeRecordExists = true;
}
// create a new PcAttendee record if one does not already exist for this attendee
if (!AttendeeRecordExists)
{
PcAttendeeRow AttendeeRow = MainDS.PcAttendee.NewRowTyped();
AttendeeRow.ConferenceKey = AConferenceKey;
AttendeeRow.PartnerKey = ShortTermAppRow.PartnerKey;
if (ShortTermAppRow.ConfirmedOptionCode.Length >= 11)
{
AttendeeRow.OutreachType = ShortTermAppRow.ConfirmedOptionCode.Substring(5, 6);
}
PmGeneralApplicationRow GeneralAppRow = (PmGeneralApplicationRow)MainDS.PmGeneralApplication.Rows.Find(
new object[] { ShortTermAppRow.PartnerKey, ShortTermAppRow.ApplicationKey, ShortTermAppRow.RegistrationOffice });
DateTime DateAccepted = GeneralAppRow.GenAppDate;
if (!GeneralAppRow.IsGenAppSendFldAcceptDateNull())
{
DateAccepted = GeneralAppRow.GenAppSendFldAcceptDate.Value;
}
else if (!GeneralAppRow.IsGenAppRecvgFldAcceptNull())
{
DateAccepted = GeneralAppRow.GenAppRecvgFldAccept.Value;
}
AttendeeRow.Registered = DateAccepted;
// TODO: in Petra 2.x, this was calculated from pm_staff_data
AttendeeRow.HomeOfficeKey = ShortTermAppRow.RegistrationOffice;
if (AttendeeRow.HomeOfficeKey == 0)
{
AttendeeRow.HomeOfficeKey = ((int)AttendeeRow.PartnerKey / 1000000) * 1000000;
}
MainDS.PcAttendee.Rows.Add(AttendeeRow);
}
}
PcRoomAllocTable RoomAllocTable = null;
PcExtraCostTable ExtraCostTable = null;
// now check the other way: all attendees of this conference, are they still valid?
foreach (PcAttendeeRow AttendeeRow in MainDS.PcAttendee.Rows)
{
if ((AttendeeRow.RowState != DataRowState.Added) &&
!IsAttendeeValid(MainDS, OutreachPrefix, AttendeeRow.PartnerKey))
{
// remove their accommodation
RoomAllocTable = PcRoomAllocAccess.LoadViaPcAttendee(AttendeeRow.ConferenceKey, AttendeeRow.PartnerKey, Transaction);
foreach (DataRow Row in RoomAllocTable.Rows)
{
Row.Delete();
}
if (RoomAllocTable != null)
{
PcRoomAllocAccess.SubmitChanges(RoomAllocTable, Transaction);
}
// remove any extra costs
ExtraCostTable = PcExtraCostAccess.LoadViaPcAttendee(AttendeeRow.ConferenceKey, AttendeeRow.PartnerKey, Transaction);
foreach (DataRow Row in ExtraCostTable.Rows)
{
Row.Delete();
}
if (ExtraCostTable != null)
{
PcExtraCostAccess.SubmitChanges(ExtraCostTable, Transaction);
}
// remove attendee
AttendeeRow.Delete();
}
}
int shorttermApplicationsCount = MainDS.PmShortTermApplication.Count;
int attendeeCount = MainDS.PcAttendee.Count;
MainDS.ThrowAwayAfterSubmitChanges = true;
ConferenceApplicationTDSAccess.SubmitChanges(MainDS);
});
}
