public Task <ResponseWrapper <SentimentResponse> > DocumentSentimentAsync(AnalysisCell cell)
{
var input = new SentimentRequest {
text = cell.Text
};
return(PostRequest <SentimentResponse, SentimentRequest>(input, "/v1/sentiment", cell));
}
public ResponseWrapper(T resp, AnalysisCell input)
{
Response = resp;
Input = input;
}
private async Task <ResponseWrapper <TOutput> > Request <TOutput, TInput>(TInput obj, string path, AnalysisCell cell) where TOutput : class
{
try
{
using (var handler = new HttpClientHandler {
Credentials = new NetworkCredential(Username, Password)
})
using (var client = new HttpClient(handler))
{
client.BaseAddress = new Uri(BaseUri);
var reqContent = JsonHelper.JsonSerialize(obj);
HttpContent content = new StringContent(reqContent, Encoding.UTF8);
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
var resp = await client.PostAsync(path, content);
//test response code
if (resp.StatusCode != HttpStatusCode.OK)
{
var wrapper2 = new ResponseWrapper <TOutput>(null, cell);
GetHeaderValues <TOutput, TInput>(resp, wrapper2);
wrapper2.ErrorMessage = (int)resp.StatusCode + " (" + resp.ReasonPhrase + ")";
Trace.WriteLine("FAILED: " + (int)resp.StatusCode);
return(wrapper2);
}
resp.EnsureSuccessStatusCode();
var response = await resp.Content.ReadAsStringAsync();
var des = JsonHelper.JsonDeserialize <TOutput>(response);
var wrapper = new ResponseWrapper <TOutput>(des, cell);
GetHeaderValues <TOutput, TInput>(resp, wrapper);
return(wrapper);
}
}
catch (AggregateException aex)
{
var resp = new ResponseWrapper <TOutput>(null, cell);
aex.Flatten().Handle(ex => // Note that we still need to call Flatten
{
if (ex is HttpRequestException)
{
resp.ErrorMessage = ex.Message;
return(true); // This exception is "handled"
}
if (ex is IndexOutOfRangeException)
{
resp.ErrorMessage = ex.Message;
Trace.WriteLine("Index out of range");
return(true); // This exception is "handled"
}
return(false); // All other exceptions will get rethrown
});
return(resp);
}
catch (HttpRequestException ex)
{
return(new ResponseWrapper <TOutput>(null, cell)
{
ErrorMessage = ex.Message
});
}
}
public Task <ResponseWrapper <TOutput> > PostRequest <TOutput, TInput>(TInput obj, string path, AnalysisCell cell) where TOutput : class
{
return(Request <TOutput, TInput>(obj, path, cell));
}
public Task <ResponseWrapper <SentimentEntityResponse[]> > EntitySentimentAsync(AnalysisCell cell)
{
var input = new SentimentRequest {
text = cell.Text, level = "entity"
};
return(PostRequest <SentimentEntityResponse[], SentimentRequest>(input, "/v1/sentiment", cell));
}