public async Task <ExportDeliveriesVm> Handle(ExportDeliveriesQuery request, CancellationToken cancellationToken)
{
var vm = new ExportDeliveriesVm();
var zone = await _context.Zones.SingleAsync(t => t.Id == request.ZoneId, cancellationToken);
var records = await _context.Deliveries.Where(t => t.ZoneId == request.ZoneId)
.ProjectTo <DeliveryRecord>(_mapper.ConfigurationProvider)
.ToListAsync(cancellationToken);
vm.Content = _fileBuilder.BuildDeliveriesFile(records);
vm.ContentType = "text/csv";
vm.FileName = $"{zone.Id}_{zone.Title}_Deliveries_{_dateTime.Now:yyyyMMddHHmmss}.csv";
return(await Task.FromResult(vm));
}
