private async Task <Stream> DownloadBlobAsync(string org, string fileName)
{
BlobClient blockBlob = await CreateBlobClient(org, fileName);
Azure.Response <BlobDownloadInfo> response = await blockBlob.DownloadAsync();
return(response.Value.Content);
}
public async Task <AppConfigViewModel> AccessAppConfig()
{
Azure.Response <ConfigurationSetting> response =
await _configurationClient.GetConfigurationSettingAsync("Demo:AppConfigValue");
return(new AppConfigViewModel
{
ValueFromConfig = _settings.AppConfigValue,
ValueFromAppConfigApi = response.Value.Value
});
}
public async Task <CognitiveServicesModel> AccessCognitiveServices(string input)
{
Azure.Response <DocumentSentiment> response =
await _textAnalyticsClient.AnalyzeSentimentAsync(input);
DocumentSentiment sentiment = response.Value;
return(new CognitiveServicesModel
{
Sentiment = sentiment.Sentiment.ToString(),
ConfidenceScores = new Dictionary <string, double>
{
[TextSentiment.Positive.ToString()] = sentiment.ConfidenceScores.Positive,
[TextSentiment.Negative.ToString()] = sentiment.ConfidenceScores.Negative,
[TextSentiment.Neutral.ToString()] = sentiment.ConfidenceScores.Neutral,
}
});
}
public async Task <StorageViewModel> AccessStorage()
{
BlobContainerClient containerClient = _blobServiceClient.GetBlobContainerClient(_settings.StorageContainerName);
BlobClient blobClient = containerClient.GetBlobClient(_settings.StorageBlobName);
Azure.Response <BlobDownloadInfo> response = await blobClient.DownloadAsync();
using (var reader = new StreamReader(response.Value.Content))
{
// We download the whole file here because we are going to show it on the Razor view
// Usually when reading files from Storage you should return the file via a Stream
string content = await reader.ReadToEndAsync();
return(new StorageViewModel
{
FileContent = content
});
}
}
public static async Task RunAsync([EventGridTrigger] EventGridEvent eventGridEvent, ILogger log)
{
//Extracting content type and url of the blob triggering the function
var jsondata = JsonConvert.SerializeObject(eventGridEvent.Data);
var tmp = new { contentType = "", url = "" };
var data = JsonConvert.DeserializeAnonymousType(jsondata, tmp);
//Checking if the trigger was iniatiated for a PDF File.
if (data.contentType == "application/pdf")
{
var pdfUrl = data.url;
string endpoint = System.Environment.GetEnvironmentVariable("FormsRecognizerEndpoint", EnvironmentVariableTarget.Process);
string apiKey = System.Environment.GetEnvironmentVariable("FormsRecognizerKey", EnvironmentVariableTarget.Process);
string contosoStorageConnectionString = System.Environment.GetEnvironmentVariable("ContosoStorageConnectionString", EnvironmentVariableTarget.Process);
string cosmosEndpointUrl = System.Environment.GetEnvironmentVariable("CosmosDBEndpointUrl", EnvironmentVariableTarget.Process);
string cosmosPrimaryKey = System.Environment.GetEnvironmentVariable("CosmosDBPrimaryKey", EnvironmentVariableTarget.Process);
//Create a SAS Link to give Forms Recognizer read access to the document
BlobServiceClient blobServiceClient = new BlobServiceClient(contosoStorageConnectionString);
BlobContainerClient container = new BlobContainerClient(contosoStorageConnectionString, "claims");
string blobName = pdfUrl.Split('/').Last();
BlobClient blob = container.GetBlobClient(blobName);
BlobSasBuilder sasBuilder = new BlobSasBuilder()
{
BlobContainerName = blob.GetParentBlobContainerClient().Name,
BlobName = blob.Name,
Resource = "b"
};
sasBuilder.ExpiresOn = DateTimeOffset.UtcNow.AddHours(1);
sasBuilder.SetPermissions(BlobSasPermissions.Read);
Uri sasUri = blob.GenerateSasUri(sasBuilder);
var credential = new AzureKeyCredential(apiKey);
//Get the latest trained model
var formTrainingClient = new FormTrainingClient(new Uri(endpoint), credential);
Pageable <CustomFormModelInfo> formsModels = formTrainingClient.GetCustomModels();
var latestModel = (from inc in formsModels orderby inc.TrainingCompletedOn descending select inc).FirstOrDefault();
//Run the document through the model
var formRecognizerClient = new FormRecognizerClient(new Uri(endpoint), credential);
var options = new RecognizeCustomFormsOptions()
{
IncludeFieldElements = true
};
RecognizeCustomFormsOperation operation = formRecognizerClient.StartRecognizeCustomFormsFromUri(latestModel.ModelId, sasUri, options);
Azure.Response <RecognizedFormCollection> operationResponse = await operation.WaitForCompletionAsync();
RecognizedFormCollection forms = operationResponse.Value;
//Insert documents into CosmosDB
var cosmosClient = new CosmosClient(cosmosEndpointUrl, cosmosPrimaryKey);
var cosmosDatabase = (await cosmosClient.CreateDatabaseIfNotExistsAsync("Contoso")).Database;
var cosmosContainer = (await cosmosDatabase.CreateContainerIfNotExistsAsync("Claims", "/InsuredID")).Container;
Model.ClaimsDocument processedDocument = new Model.ClaimsDocument();
processedDocument.DocumentDate = new DateTime(int.Parse(blobName.Substring(0, 4)),
int.Parse(blobName.Substring(4, 2)), int.Parse(blobName.Substring(6, 2)));
processedDocument.PatientName = forms[0].Fields["PatientName"].ValueData?.Text;
processedDocument.InsuredID = forms[0].Fields["InsuredID"].ValueData?.Text;
processedDocument.Diagnosis = forms[0].Fields["Diagnosis"].ValueData?.Text;
decimal.TryParse(forms[0].Fields["TotalCharges"].ValueData?.Text, out decimal totalCharges);
processedDocument.TotalCharges = totalCharges;
DateTime.TryParse(forms[0].Fields["PatientBirthDate"].ValueData?.Text, out DateTime patientBirthDate);
processedDocument.PatientBirthDate = patientBirthDate;
decimal.TryParse(forms[0].Fields["AmountPaid"].ValueData?.Text, out decimal amountPaid);
processedDocument.AmountPaid = amountPaid;
decimal.TryParse(forms[0].Fields["AmountDue"].ValueData?.Text, out decimal amountDue);
processedDocument.AmountDue = amountDue;
processedDocument.FileName = blobName;
if (processedDocument.InsuredID == null)
{
processedDocument.Id = Guid.NewGuid().ToString();
}
else
{
processedDocument.Id = processedDocument.InsuredID;
}
try
{
ItemResponse <Model.ClaimsDocument> cosmosResponse = await
cosmosContainer.CreateItemAsync(processedDocument, new PartitionKey(processedDocument.InsuredID));
}
catch (CosmosException ex) when(ex.StatusCode == System.Net.HttpStatusCode.Conflict)
{
//Conflicting EnsurerID is silently ignored for demo purposes.
}
}
log.LogInformation(eventGridEvent.Data.ToString());
}
