public bool DeleteParticipant(Dictionary <string, string> booking)
{
var d = booking;
var e = Json.GetKvpValue(d, "veranstaltung", false);
var userId = Json.GetKvpValue(d, "nutzer", false);
var id = DatabaseManager.GetId($"SELECT * FROM Teilnehmer WHERE Veranstaltung={e} AND Id={userId}");
var result = DatabaseManager.ExecuteDelete("Teilnehmer", Convert.ToInt64(id));
new VeranstaltungenModel().UpdateParticipantCount(Convert.ToInt64(e));
return(result);
}
public bool DeleteCalendar(long calendarId)
{
if (!DatabaseManager.ExecuteDelete("Kalender", calendarId))
{
return(false);
}
else
{
DatabaseManager.ExecuteNonQuery($"DELETE FROM Veranstaltungen WHERE Kalender = {calendarId}");
return(CalendarManager.DeleteCalendar(calendarId));
}
}
public bool DeleteCalendarOrganizer(long calendarId, long organizerId)
{
var c = DatabaseManager.CountResults($"SELECT * FROM Kalenderberechtigte WHERE Kalender={calendarId}");
if (c <= 1)
{
return(false);
}
else
{
var id = DatabaseManager.GetId($"SELECT * FROM Kalenderberechtigte WHERE Kalender={calendarId} AND Veranstalter={organizerId}");
if (id == null)
{
return(false);
}
else
{
return(DatabaseManager.ExecuteDelete("Kalenderberechtigte", Convert.ToInt64(id)));
}
}
}
public void WipeUnnecessaryData()
{
var bookings = Json.DeserializeArray(GetBookingsAsArray());
var bookingEventDictionary = new Dictionary <string, string>();
var eventIds = new List <string>();
var outdatedEvents = new List <string>();
foreach (var booking in bookings)
{
var o = Json.DeserializeObject(booking);
var bookingId = Json.GetKvpValue(o, "id", false);
var eventId = Json.GetKvpValue(o, "veranstaltung", false);
bookingEventDictionary.Add(bookingId, eventId);
if (!eventIds.Contains(eventId))
{
eventIds.Add(eventId);
}
}
var v = new VeranstaltungenModel();
var timeNow = Convert.ToInt64(CalendarManager.GetDateTime(DateTime.Now));
foreach (var eventId in eventIds)
{
var e = v.GetEvent(Convert.ToInt64(eventId));
if (e == null)
{
outdatedEvents.Add(eventId);
continue;
}
var deadline = Convert.ToInt64(Json.GetKvpValue(e, "anmeldefrist", false));
if (deadline < timeNow)
{
outdatedEvents.Add(eventId);
}
}
DatabaseManager.ExecuteDelete("Buchungen", "Veranstaltung", outdatedEvents.ToArray());
}
public bool DeleteAdmin(long adminId)
{
return(DatabaseManager.ExecuteDelete("Admins", adminId));
}
public bool DeleteOrganizer(long id)
{
return(DatabaseManager.ExecuteDelete("Veranstalter", id));
}
public bool DeleteVerificationCode(long id)
{
return(DatabaseManager.ExecuteDelete("Emailverifizierungen", id));
}
public bool DeleteBooking(long bookingId)
{
return(DatabaseManager.ExecuteDelete("Buchungen", bookingId));
}
public bool WipeUnnecessaryData()
{
var usedDataList = new List <long>();
var toBeDeletedIdList = new List <long>();
var organizers = DatabaseManager.ReadAsJsonArray(new Dictionary <string, string> {
{ "id", "Id" }
}, DatabaseManager.ExecuteReader("SELECT * FROM Veranstalter"));
foreach (var o in Json.DeserializeArray(organizers))
{
var id = Json.GetKvpValue(o, "id", false);
if (id != null)
{
usedDataList.Add(Convert.ToInt64(id));
}
}
var bookings = DatabaseManager.ReadAsJsonArray(new Dictionary <string, string> {
{ "id", "Id" }
}, DatabaseManager.ExecuteReader("SELECT * FROM Buchungen"));
foreach (var b in Json.DeserializeArray(bookings))
{
var id = Json.GetKvpValue(b, "nutzer", false);
if (id != null)
{
usedDataList.Add(Convert.ToInt64(id));
}
}
var codes = DatabaseManager.ReadAsJsonArray(new Dictionary <string, string> {
{ "id", "Id" }
}, DatabaseManager.ExecuteReader("SELECT * FROM Emailverifizierungen"));
foreach (var c in Json.DeserializeArray(codes))
{
var id = Json.GetKvpValue(c, "nutzer", false);
if (id != null)
{
usedDataList.Add(Convert.ToInt64(id));
}
}
var users = DatabaseManager.ReadAsJsonArray(new Dictionary <string, string> {
{ "id", "Id" }
}, DatabaseManager.ExecuteReader("SELECT * FROM Nutzerdaten"));
foreach (var u in Json.DeserializeArray(users))
{
var id = Json.GetKvpValue(u, "id", false);
if (id != null)
{
var i = Convert.ToInt64(id);
if (!usedDataList.Contains(i))
{
toBeDeletedIdList.Add(i);
}
}
}
return(DatabaseManager.ExecuteDelete("Nutzerdaten", toBeDeletedIdList.ToArray()));
}
