public void addParticipations(Participation participation)
{
if (!checkIfParticipationExist(participation))
{
meetingEntities.Participations.Add(participation);
meetingEntities.SaveChanges();
}
}
public void removeParticipations(Participation participation)
{
if (checkIfParticipationExist(participation))
{
meetingEntities.Participations.Remove(participation);
meetingEntities.SaveChanges();
}
}
private bool checkIfParticipationExist(Participation participation)
{
return(meetingEntities.Participations.Where(p => p.MeetingName.Equals(participation.MeetingName) &&
p.UserLogin.Equals(participation.UserLogin)).DefaultIfEmpty(null).Single() != null);
}