public async Task <IEnumerable <CityDto> > Handle(GetCitiesQuery request, CancellationToken cancellationToken)
{
if (string.IsNullOrEmpty(request.CityName) ||
string.IsNullOrEmpty(request.CityName.TrimStart()) ||
string.IsNullOrEmpty(request.CityName.TrimEnd()))
{
return(new List <CityDto>());
}
request.CityName = request.CityName.TrimStart().TrimEnd();
var cities = await _cityManger.GetCitiesByName(request.CityName, request.Limit);
return(cities ?? new());
}