public async Task <List <int> > GetPageRanks(string searchString, string expectedText, int maxResultsToSearch)
{
if (searchStrategy == null)
{
throw new ApplicationException("Please set a strategy before getting page ranks.");
}
List <int> pageRanks = new List <int>();
int currentRank = 1;
int currentSearchPage = 1;
while (!string.IsNullOrEmpty(searchStrategy.GetSearchPageUrl(currentSearchPage)) && currentRank <= maxResultsToSearch)
{
var searchResultLinks = await htmlReader.GetAttributeValues(
searchStrategy.GetSearchPageUrl(currentSearchPage),
searchStrategy.GetHtmlDomSearchXPath(),
"href");
foreach (var link in searchResultLinks)
{
if (link.Contains(expectedText))
{
pageRanks.Add(currentRank);
}
currentRank++;
if (currentRank > maxResultsToSearch)
{
break;
}
}
currentSearchPage++;
}
return(pageRanks);
}