private static void DisplayResults(SerpRank rank, string query)
{
if (rank == null)
{
Console.Write(string.Format("No results found in Top {0} results.", GoogleSearchAPI.MAX_NUMBER_RESULTS_TO_CHECK));
return;
}
string output = string.Format("Searcn term: {0}\nHighest rank: {1}\nSite URL: {2}",
query, rank.HighestRankNumber, rank.SiteUrl);
Console.WriteLine(output);
}
public static async Task <SerpRank> GetRank(string query)
{
if (String.IsNullOrEmpty(query) || _rankNumber > MAX_NUMBER_RESULTS_TO_CHECK)
{
return(null);
}
SerpRank rank = null;
try
{
using (_client)
{
Debug.Write("Callout made!!!!!!");
string requestUrl = string.Format("{0}key={1}&cx={2}&q={3}&start={4}",
_apiUrl, _apiKey, _searchEngineId, Uri.EscapeDataString(query), _rankNumber.ToString());
HttpResponseMessage response = await _client.GetAsync(requestUrl);
if (response.IsSuccessStatusCode)
{
string result = await response.Content.ReadAsStringAsync();
RootObject rootResult = JsonConvert.DeserializeObject <RootObject>(result);
rank = FindHighestRank(rootResult);
if (rank == null || rank.HighestRankNumber == 0)
{
await GetRank(query);
}
}
}
}
catch (Exception e)
{
Debug.Write(e.Message);
}
return(rank);
}
private static SerpRank FindHighestRank(RootObject rootResult)
{
if (rootResult == null || rootResult.items == null || rootResult.items.Count == 0)
{
return(null);
}
SerpRank highestRank = null;
bool matchFound = false;
int resultIndex = 0;
try
{
do
{
Item item = rootResult.items[resultIndex];
if (item.link.ToLower().Contains(_siteUrl) ||
item.displayLink.ToLower().Contains(_siteUrl))
{
highestRank = new SerpRank();
highestRank.HighestRankNumber = _rankNumber;
highestRank.SiteUrl = item.link;
matchFound = true;
}
else
{
resultIndex++;
_rankNumber++;
}
} while (!matchFound && resultIndex < rootResult.items.Count);
}
catch (Exception e)
{
Debug.Write(e.Message);
}
return(highestRank);
}
