public async Task <Unit> Handle(DeleteEventGuideCommand request, CancellationToken cancellationToken)
{
if ((await DataContext.EventGuides.AsNoTracking().FirstOrDefaultAsync(m => m.Id == request.Id, cancellationToken)) == null)
{
throw new EntityNotFoundException(nameof(EventGuide), request.Id);
}
var entity = new EventGuide
{
Id = request.Id,
RowVersion = request.RowVersion
};
try
{
DataContext.EventGuides.Remove(entity);
await DataContext.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
catch (DbUpdateConcurrencyException ex)
{
throw ex;
}
}
public async Task <Unit> Handle(CreateEventGuideCommand request, CancellationToken cancellationToken)
{
var entity = new EventGuide
{
EventId = request.EventId,
GuideId = request.Model.GuideId
};
await DataContext.EventGuides.AddAsync(entity, cancellationToken);
await DataContext.SaveChangesAsync(cancellationToken);
return(Unit.Value);
}
