private async Task <double?> MakeAnalysisRequest(string text)
{
LanguageBatchResult result = await client.DetectLanguageAsync(
new BatchInput(
new List <Input>()
{
new Input("1", text)
}));
var detectedLanguage = result.Documents.First().DetectedLanguages.First();
var englishProbability = detectedLanguage.Name == "English" ? detectedLanguage.Score : 0;
SentimentBatchResult sentimentResult = await client.SentimentAsync(
new MultiLanguageBatchInput(new List <MultiLanguageInput>()
{
new MultiLanguageInput(detectedLanguage.Iso6391Name, "1", text)
}));
double?sentiment = 0;
if (sentimentResult.Documents.Any())
{
sentiment = sentimentResult.Documents.First().Score;
}
return((englishProbability + sentiment) / 2);
}
private async Task <IEnumerable <AnalysisResult> > GetAnalysisResultsAsync(MultiLanguageBatchInput batchInput)
{
KeyPhraseBatchResult keyPhraseBatchResult = await _textAnalyticsAPI.KeyPhrasesAsync(batchInput);
SentimentBatchResult sentimentBatchResult = await _textAnalyticsAPI.SentimentAsync(batchInput);
foreach (var keyPhrase in keyPhraseBatchResult.Documents)
{
string tweet = batchInput.Documents
.Where(d => d.Id == keyPhrase.Id)
.Select(t => t.Text)
.FirstOrDefault();
var sentiment = sentimentBatchResult.Documents
.Where(s => s.Id == keyPhrase.Id)
.FirstOrDefault();
if (IsSignificant(sentiment.Score) && !keyPhrase.KeyPhrases.Count().Equals(0))
{
AnalysisResult analysisResult = new AnalysisResult
{
KeyPhrases = keyPhrase.KeyPhrases,
Attitude = DeriveAttitude(sentiment.Score),
Tweet = tweet
};
_analysisResults.Add(analysisResult);
}
}
return(_analysisResults);
}
public async Task <double> GetSentimentScoreAsync(string language, string message)
{
double score = -1;
SentimentBatchResult result = await client.SentimentAsync(
new MultiLanguageBatchInput(
new List <MultiLanguageInput>()
{
new MultiLanguageInput(language, "1", message)
}));
if (result.Documents.Count > 0)
{
score = result.Documents[0].Score.Value;
}
return(score);
}
public Task <SentimentBatchResult> SentimentAsync(IList <MultiLanguageInput> inputs,
CancellationToken cancellationToken = default(CancellationToken))
{
return(_client.SentimentAsync(new MultiLanguageBatchInput(inputs), cancellationToken));
}
internal async Task <SentimentBatchResult> SentimentCall(ITextAnalyticsAPI client, List <MultiLanguageInput> list)
{
return(await client.SentimentAsync(
new MultiLanguageBatchInput(list)));
}
public async Task <SentimentBatchResult> UploadAndDetectText(string text, CancellationToken cancellationToken)
{
return(await _client.SentimentAsync(new MultiLanguageBatchInput(new List <MultiLanguageInput> {
new MultiLanguageInput("en", "0", text)
}), cancellationToken));
}