public static Task <WordRetrivalResult> RetriveWordAsync(string word, bool getSampleSentences, CancellationToken cancellationToken)
{
if (string.IsNullOrWhiteSpace(word))
{
throw new ArgumentNullException(nameof(word));
}
Task <WordRetrivalResult> task = new Task <WordRetrivalResult>(() =>
{
word = word.Trim();
string encodedWord = Uri.EscapeDataString(word);
string url = $"{MAIN_TARGET}?Word={encodedWord}";
if (getSampleSentences)
{
url += "&Samples=true";
}
else
{
url += "&Samples=false";
}
HttpClient client = new HttpClient();
string response;
try
{
HttpResponseMessage responseMessage = client.GetAsync(url, cancellationToken).GetAwaiter().GetResult();
if (!responseMessage.IsSuccessStatusCode)
{
throw new Exception("request failed");
}
response = responseMessage.Content.ReadAsStringAsync().GetAwaiter().GetResult();
WordResult result = WordResult.FromJson(response);
return(new WordRetrivalResult(word, result));
}
catch (TaskCanceledException)
{
return(new WordRetrivalResult(word, true));
}
catch (Exception ex)
{
return(new WordRetrivalResult(word, ex));
}
finally
{
client.Dispose();
}
}, cancellationToken);
task.Start();
return(task);
}
internal WordRetrivalResult(string word, WordResult result)
{
Result = result;
RequestedWord = word;
}