protected async void btnSearch_ClickAsync(object sender, EventArgs e)
{
string searchTerm = SearchText.Value;
if (string.IsNullOrWhiteSpace(searchTerm))
{
rptResultTable.DataSource = null;
rptResultTable.DataBind();
return;
}
List <ResultDisplayObject> resultList = new List <ResultDisplayObject>();
using (var client = new HttpClient())
{
client.BaseAddress = new Uri("http://localhost:8090/");
client.DefaultRequestHeaders.Accept.Clear();
client.DefaultRequestHeaders.Accept.Add(new MediaTypeWithQualityHeaderValue("application/json"));
HttpResponseMessage response = await client.GetAsync("api/search?word=" + searchTerm);
if (response.IsSuccessStatusCode)
{
resultList = await response.Content.ReadAsAsync <List <ResultDisplayObject> >();
rptResultTable.DataSource = resultList;
rptResultTable.DataBind();
}
else
{
ResultDisplayObject errorResult = new ResultDisplayObject()
{
Title = "ERROR", SearchEngine = "ERROR"
};
resultList.Add(errorResult);
rptResultTable.DataSource = resultList;
rptResultTable.DataBind();
Console.WriteLine("Internal server Error");
}
}
}
public List <ResultDisplayObject> Get(string word)
{
List <string> resultStrings = new List <string>();
List <ResultDisplayObject> searchResults = new List <ResultDisplayObject>();
SearchEngineDbConnection db = new SearchEngineDbConnection();
// get exising results from db
searchResults = db.GetQueryResults(word);
// if this is a new search
if (searchResults == null || searchResults.Count == 0)
{
SearchEngine se = new BingEngine();
searchResults = new List <ResultDisplayObject>();
resultStrings = se.GetResultsFromHtml(word);
foreach (string str in resultStrings)
{
ResultDisplayObject listItem = new ResultDisplayObject()
{
SearchEngine = se.EngineName, Title = str
};
searchResults.Add(listItem);
}
// add to db
db.AddQueryResults(se.EngineName, word, resultStrings);
// add to cache (redis)
}
return(searchResults);
}