public async Task <IEnumerable <TrainingDTO> > GetTrainingsBeforeDateTimeAsync(int teamId, DateTime dateTime, int hours)
{
IEnumerable <Training> foundTrainings = await trainings.GetBeforeDateTimeAsync(teamId, dateTime, hours);
return(foundTrainings.Select(training => new TrainingDTO
{
Id = training.Id,
TeamId = training.TeamId,
BeginTime = training.BeginTime
}));
}