/// <summary>
/// Создаёт и заполняет экземпляр "DateRates" данными из DOM исходника
/// </summary>
/// <param name="document"></param>
/// <param name="date"></param>
/// <returns></returns>
private DateRates GetDateRates(IDocument document, UrlModel url)
{
var blocks = GetParseElements(in document, "tr", "js-rt-block-row "); // получаем блоки с категориями номеров и ценами
DateRates result = new DateRates(url.ParentLink, url.Date);
if (blocks.Count() == 0)
{
result.WithoutAnyRate();
return(result);
}
foreach (var item in blocks)
{
var priceLine = new Rate();
// парсим названия категорий
var category = GetParseElements(in item, "span", "hprt-roomtype-icon-link ");
foreach (var _item in category)
{
priceLine.Category = _item.TextContent.Trim();
}
// парсим цены
var price = GetParseElements(in item, "div", "bui-price-display__value prco-inline-block-maker-helper prco-f-font-heading ");
foreach (var _item in price)
{
priceLine.Price = _item.TextContent.Trim();
}
var meal = GetParseElements(in item, "li", "jq_tooltip rt_clean_up_options");
foreach (var _item in meal)
{
priceLine.Meal = _item.TextContent.Trim();
}
result.Rates.Add(priceLine);
}
return(result);
}
public PointModel AddPointMinRate(DateRates day)
{
return(new PointModel()
{
Value = day.Rates[0].GetPriceIntegerOrDefault(),
Date = day.Date
});
}
public PointModel AddPointRatesCounter(DateRates day)
{
int count = day.Rates.Where(rate => rate.Category != null).Count();
return(new PointModel()
{
Value = count,
Date = day.Date
});
}
/// <summary>
/// Создаёт массив "DateRates" и заполняет его с помощью .AsParsllel. Отображает процесс на прогрессбар.
/// </summary>
/// <param name="progressBar"></param>
/// <param name="urls"></param>
/// <returns></returns>
public async Task <DateRates[]> GetRatesOnDatesAsync(ProgressBarModel progressBar, params UrlModel[] urls)
{
var pricesList = new DateRates[urls.Length];
await Task.WhenAll(
urls.AsParallel().Select(async(url, index) =>
{
var domDocument = await GetDomPageAsync(url.Link);
pricesList[index] = GetDateRates(domDocument, url);
progressBar.Value += 1;
}));
return(pricesList);
}
public PointModel AddPointRatesCountPercent(DateRates day)
{
if (MaxCountCategory == 0)
{
return(new PointModel());
}
int count = day.Rates.Where(rate => rate.Category != null).Count();
return(new PointModel()
{
Value = (int)(count / MaxCountCategory * 100),
Date = day.Date
});
}
