public async Task <double> AnalyzeSentiment(string text, string lang = "en")
{
var T = new TextAnalysisDocumentStore(new TextAnalysisDocument("id", lang, text));
var R = await AnalyzeSentimentRaw(T);
return(R.documents[0].score);
}
public async Task <TextAnalysisDocumentStore> ExtractKeyphrases(TextAnalysisDocumentStore S)
{
var R = await ExtractKeyPhrasesRaw(S);
CopyDocumentInfo(S, R);
return(R);
}
public async Task <TextAnalysisDocumentStore> AnalyzeSentiment(TextAnalysisDocumentStore S)
{
var R = await AnalyzeSentimentRaw(S);
CopyDocumentInfo(S, R);
return(R);
}
public double AnalyzeSentiment(string text, string lang = "en")
{
var T = new TextAnalysisDocumentStore(new TextAnalysisDocument("id", lang, text));
var R = AnalyzeSentiment(T);
return(R.documents[0].score);
}
public TextAnalysisDocumentStore AnalyzeSentiment(TextAnalysisDocumentStore S)
{
TextAnalysisDocumentStore res = new TextAnalysisDocumentStore();
foreach (var d in S.documents)
{
var doc = new TextAnalysisDocument(d.id, d.language, d.text);
doc.score = Analyze(d.text);
res.documents.Add(doc);
}
return(res);
}
private static void CopyDocumentInfo(TextAnalysisDocumentStore S, TextAnalysisDocumentStore R)
{
for (int i = 0; i < R.documents.Count; i++)
{
var t = (from x in S.documents
where x.id == R.documents[i].id
select x).FirstOrDefault();
if (t != null)
{
R.documents[i].text = t.text;
R.documents[i].language = t.language;
}
}
}
public async Task <TextAnalysisDocumentStore> AnalyzeSentimentRaw(TextAnalysisDocumentStore S)
{
var client = new HttpClient();
client.DefaultRequestHeaders.Add("Ocp-Apim-Subscription-Key", api_key);
HttpResponseMessage response;
var s = Newtonsoft.Json.JsonConvert.SerializeObject(S);
byte[] byteData = Encoding.UTF8.GetBytes(s);
TextAnalysisDocumentStore res;
using (var content = new ByteArrayContent(byteData))
{
content.Headers.ContentType = new MediaTypeHeaderValue("application/json");
response = await client.PostAsync(api_uri_sentiment, content);
var rstr = await response.Content.ReadAsStringAsync();
res = Newtonsoft.Json.JsonConvert.DeserializeObject <TextAnalysisDocumentStore>(rstr);
}
return(res);
}
