private async Task <(IEnumerable <AnalyzeSentimentResult> sentimentResults, IEnumerable <RecognizePiiEntitiesResult> piiResults, IEnumerable <string> errors)> GetOperationResults(int index, string operationId)
{
var errors = new List <string>();
var sentimentResults = new List <AnalyzeSentimentResult>();
var piiResults = new List <RecognizePiiEntitiesResult>();
try
{
Log.LogInformation($"Sending text analytics request for document chunk with id {index}.");
using var cts = new CancellationTokenSource();
cts.CancelAfter(RequestTimeout);
var textAnalyticsOperation = new AnalyzeActionsOperation(operationId, TextAnalyticsClient);
await textAnalyticsOperation.UpdateStatusAsync().ConfigureAwait(false);
if (!textAnalyticsOperation.HasCompleted)
{
throw new InvalidOperationException("Tried to get result of not completed text analytics request.");
}
await foreach (var documentsInPage in textAnalyticsOperation.GetValuesAsync())
{
foreach (var piiResult in documentsInPage.RecognizePiiEntitiesResults)
{
if (piiResult.HasError)
{
errors.Add($"PII recognition failed with error: {piiResult.Error.Message}");
}
piiResults.AddRange(piiResult.DocumentsResults);
}
foreach (var sentimentResult in documentsInPage.AnalyzeSentimentResults)
{
if (sentimentResult.HasError)
{
errors.Add($"Sentiment analysis failed with error: {sentimentResult.Error.Message}");
}
sentimentResults.AddRange(sentimentResult.DocumentsResults);
}
}
}
catch (OperationCanceledException operationCanceledException)
{
throw new TransientFailureException($"Operation was canceled after {RequestTimeout.TotalSeconds} seconds.", operationCanceledException);
}
// do not catch throttling errors, rather throw and retry
catch (RequestFailedException e) when(e.Status != 429)
{
errors.Add($"Text analytics request failed with error: {e.Message}");
}
return(sentimentResults, piiResults, errors);
}
public async Task AnalyzeOperationWithPagination()
{
TextAnalyticsClient client = GetClient();
List <string> documents = new();
for (int i = 0; i < 23; i++)
{
documents.Add("Elon Musk is the CEO of SpaceX and Tesla.");
}
TextAnalyticsActions batchActions = new TextAnalyticsActions()
{
ExtractKeyPhrasesActions = new List <ExtractKeyPhrasesAction>()
{
new ExtractKeyPhrasesAction()
},
DisplayName = "AnalyzeOperationWithPagination",
};
AnalyzeActionsOperation operation = await client.StartAnalyzeActionsAsync(documents, batchActions);
Assert.IsFalse(operation.HasCompleted);
Assert.IsFalse(operation.HasValue);
Assert.ThrowsAsync <InvalidOperationException>(async() => await Task.Run(() => operation.Value));
Assert.ThrowsAsync <InvalidOperationException>(async() => await Task.Run(() => operation.GetValuesAsync()));
await operation.WaitForCompletionAsync();
Assert.IsTrue(operation.HasCompleted);
Assert.IsTrue(operation.HasValue);
// try async
//There most be 2 pages as service limit is 20 documents per page
List <AnalyzeActionsResult> asyncPages = operation.Value.ToEnumerableAsync().Result;
Assert.AreEqual(2, asyncPages.Count);
// First page should have 20 results
Assert.AreEqual(20, asyncPages[0].ExtractKeyPhrasesResults.FirstOrDefault().DocumentsResults.Count);
// Second page should have remaining 3 results
Assert.AreEqual(3, asyncPages[1].ExtractKeyPhrasesResults.FirstOrDefault().DocumentsResults.Count);
// try sync
//There most be 2 pages as service limit is 20 documents per page
List <AnalyzeActionsResult> pages = operation.GetValues().AsEnumerable().ToList();
Assert.AreEqual(2, pages.Count);
// First page should have 20 results
Assert.AreEqual(20, pages[0].ExtractKeyPhrasesResults.FirstOrDefault().DocumentsResults.Count);
// Second page should have remaining 3 results
Assert.AreEqual(3, pages[1].ExtractKeyPhrasesResults.FirstOrDefault().DocumentsResults.Count);
}
