virtual protected void SentimentAnalysis(TextAnalyticsResult result)
{
DocumentSentiment documentSentiment = Client.AnalyzeSentiment(result.Input);
result.Sentiment = documentSentiment.Sentiment;
result.Positive = documentSentiment.ConfidenceScores.Positive;
result.Negative = documentSentiment.ConfidenceScores.Negative;
result.Neutral = documentSentiment.ConfidenceScores.Neutral;
}
virtual public TextAnalyticsResult Run(string input)
{
TextAnalyticsResult result = new TextAnalyticsResult {
Input = input
};
SentimentAnalysis(result);
KeyPhraseExtraction(result);
return(result);
}
/// <summary>
/// Extracts the data, runs it through text analytics, then writes it back into the output
/// </summary>
/// <param name="options"></param>
/// <param name="output"></param>
/// <param name="rows"></param>
virtual protected void ReadAndWriteRows(Options options, CsvWriter output, IEnumerable <dynamic> rows, CsvWriter keyPhraseOutput)
{
// Data
var rowsToProcess = rows.Skip(1);
if (options.Take.HasValue)
{
rowsToProcess = rowsToProcess.Take(options.Take.Value);
}
int index = 1;
IEnumerable <dynamic> dataRows = rowsToProcess;
TextAnalytics analytics = new TextAnalytics();
foreach (dynamic row in dataRows)
{
System.Console.WriteLine($"Processing row {index++}");
List <string> outputRow = new List <string>();
foreach (dynamic col in row)
{
string header = col.Key;
string value = col.Value;
output.WriteField(value);
if (IsAnalysisColumn(options, header))
{
TextAnalyticsResult result = analytics.Run(value);
output.WriteField(result.Sentiment.ToString());
// TODO: Sentiment Scores
output.WriteField(result.KeyPhrasesSummary);
foreach (string phrase in result.KeyPhrases)
{
keyPhraseOutput.WriteField(phrase);
keyPhraseOutput.NextRecord();
}
}
}
output.NextRecord();
}
System.Console.WriteLine($"Analysis Done on {index - 1} rows");
}
virtual protected void KeyPhraseExtraction(TextAnalyticsResult result)
{
Response <KeyPhraseCollection> response = Client.ExtractKeyPhrases(result.Input);
result.KeyPhrases = response.Value.ToArray();
}
