public async Task StartAsync(string url)
{
ListAdvertisements listAdvertisements = new ListAdvertisements();
do
{
if (listAdvertisements.UrlNextPage != default)
{
url = listAdvertisements.UrlNextPage;
}
string html = await DownloadHtml(url);
listAdvertisements = ParsingListAdvertisement(html);
repository.AddListAdvertisement(listAdvertisements);
} while (listAdvertisements.ExistNextPage);
// Парсим отдельно каждое объявление
var urls = repository.GetUnfinishedAdvertisementUrls();
foreach (var item in urls)
{
string html = await DownloadHtml(item);
Advertisement advertisement = await ParsingAdvertisementAsync(html);
advertisement.Url = item;
repository.AddAdvertisement(advertisement);
}
}