public ActionResult Statistics(SearchEngineInputViewModel viewModel)
{
if (!ModelState.IsValid)
{
return(View(viewModel));
}
//the cacheKey is not tied to search engine type only
//if we want to search different keywords, we need diff implementation of cache
string cacheKey = $"_SeoPositions_{viewModel.SearchEngineType.ToString()}";
string currentWebUIBasePath = $"{this.Request.Scheme}://{this.Request.Host}{this.Request.PathBase}";
var cacheData = GetFromCache(cacheKey);
string fetchedData = string.Empty;
if (cacheData != null)
{
fetchedData = cacheData;
}
else
{
fetchedData = _searchEngineViewModelService.GetSeoStatistics(viewModel, currentWebUIBasePath);
SetInCache(cacheKey, fetchedData);
}
viewModel.StatisticsResult = fetchedData;
viewModel.ShowResult = true;
return(View(viewModel));
}
/// <summary>
/// This method should contain common logic for ViewModel handling
/// </summary>
/// <param name="viewModel"></param>
/// <param name="currentWebUIBasePath"></param>
/// <returns></returns>
public string GetSeoStatistics(SearchEngineInputViewModel viewModel, string currentWebUIBasePath)
{
// all these
ISearchEngineService searchEngineService = _serviceAccessor(viewModel.SearchEngineType);
var allResults = searchEngineService.PerformSearchAndGetResults(viewModel.SearchKeyWord, currentWebUIBasePath);
if (!allResults.Any())
{
return(CommonConstants.ZeroResult);
}
//we are interested in top 100 results only
var searchResult = allResults.Take(CommonConstants.TopNumberOfResults);
var positionList = new List <int>();
int count = 1;
foreach (var item in searchResult)
{
if (item.Link.Contains(CommonConstants.SympliLinkToSearch, System.StringComparison.InvariantCultureIgnoreCase))
{
positionList.Add(count);
}
count++;
}
if (!positionList.Any())
{
return(CommonConstants.ZeroResult);
}
return(string.Join(',', positionList));
}