// public override void ConfigureAppConfiguration(IFunctionsConfigurationBuilder builder)
// {
// FunctionsHostBuilderContext context = builder.GetContext();
// Envs.Load();
// // KeyVault
// var secretClient = new SecretClient(new Uri(Env.GetString("AZURE_KEYVAULT_ENDPOINT")), Identity.GetCredentialChain());
// var storageConnectionString = secretClient.GetSecret(Env.GetString("AZURE_STORAGE_CONNECTION_STRING_SECRET_NAME"));
// var signalRConnectionString = secretClient.GetSecret(Env.GetString("AZURE_SIGNALR_CONNECTION_STRING_SECRET_NAME"));
// //Environment.SetEnvironmentVariable("Values:AzureWebJobsStorage", storageConnectionString.Value.Value);
// builder.ConfigurationBuilder
// .AddInMemoryCollection(new Dictionary<string, string> {
// { "ClientSyncQueueConnectionString", storageConnectionString.Value.Value },
// { "AzureSignalRConnectionString", signalRConnectionString.Value.Value }
// })
// .AddEnvironmentVariables();
// }
public override void Configure(IFunctionsHostBuilder builder)
{
//FunctionsHostBuilderContext context = builder.GetContext();
Envs.Load();
// KeyVault
var secretClient = new SecretClient(new Uri(Env.GetString("AZURE_KEYVAULT_ENDPOINT")), Identity.GetCredentialChain());
var storageConnectionString = secretClient.GetSecret(Env.GetString("AZURE_STORAGE_CONNECTION_STRING_SECRET_NAME"));
var signalRConnectionString = secretClient.GetSecret(Env.GetString("AZURE_SIGNALR_CONNECTION_STRING_SECRET_NAME"));
//Environment.SetEnvironmentVariable("Values:AzureWebJobsStorage", storageConnectionString.Value.Value);
var config = new ConfigurationBuilder()
.AddInMemoryCollection(new Dictionary <string, string> {
{ "ClientSyncQueueConnectionString", storageConnectionString.Value.Value },
{ "AzureSignalRConnectionString", signalRConnectionString.Value.Value }
})
.AddEnvironmentVariables().Build();
builder.Services.AddSingleton <IConfiguration>(config);
}
// This method gets called by the runtime. Use this method to add services to the container.
public void ConfigureServices(IServiceCollection services)
{
Envs.Load();
services.AddSingleton(typeof(Clients));
services.AddHostedService <DataHostedService>();
services.AddSignalR();
services.AddControllers();
services.AddCors(options =>
{
options.AddPolicy(CorsOrigins,
builder => builder.AllowAnyOrigin()
.AllowAnyMethod()
.AllowAnyHeader());
});
services.AddResponseCompression(opts =>
{
opts.MimeTypes = ResponseCompressionDefaults.MimeTypes.Concat(
new[] { "application/octet-stream" });
});
}
static async Task Main(string[] args)
{
Envs.Load();
//using var listener = AzureEventSourceListener.CreateConsoleLogger();
var clients = new Clients();
await clients.InitializeAsync();
while (true)
{
Console.WriteLine("Receiving Messages...");
// Get Messages
var messages = await clients.QueueClient.ReceiveMessagesAsync(maxMessages : Env.GetInt("AZURE_STORAGE_QUEUE_MSG_COUNT", 10));
foreach (var message in messages.Value)
{
try
{
Console.WriteLine(message.MessageText);
// Deserialize Message
var image = clients.DataProvider.DeserializeImage(message.MessageText);
// Extract Text from Image
try
{
var recognizeContentOperation = await clients.FormRecognizerClient.StartRecognizeContentFromUriAsync(new Uri(image.BlobUri));
var recognizeContentCompletion = await recognizeContentOperation.WaitForCompletionAsync();
var content = recognizeContentCompletion.Value;
var text = content.SelectMany(page => page.Lines).Aggregate(new StringBuilder(), (a, b) =>
{
a.Append($"{b.Text} ");
return(a);
});
image.Text = text.ToString();
}
catch (Exception ex)
{
image.Error = ex.Message.ToString();
Console.WriteLine(ex.ToString());
}
if (!string.IsNullOrEmpty(image.Text))
{
try
{
Console.WriteLine($"Image Text: {image.Text}");
// Analyize Text Sentiment
var documentSentiment = await clients.TextAnalyticsClient.AnalyzeSentimentAsync(image.Text);
image.Sentiment = documentSentiment.Value.Sentiment.ToString();
Console.WriteLine($"Image Sentiment: {image.Sentiment}");
}
catch (Exception ex)
{
image.Error = ex.Message.ToString();
Console.WriteLine(ex.ToString());
}
}
else
{
image.Text = "No Text Extracted from Image.";
Console.WriteLine(image.Text);
}
image.Status = "Completed";
// Save Document
image = await clients.DataProvider.UpsertImageAsync(image);
Console.WriteLine($"Document Saved: {image.Id}");
// Delete Queue Message
var deleteResponse = await clients.QueueClient.DeleteMessageAsync(message.MessageId, message.PopReceipt);
Console.WriteLine($"Queue Message Deleted: {message.MessageId}");
// Enqueue message to Client Sync Queue
var sendReceipt = await clients.ClientSyncQueueClient.SendMessageAsync(
Convert.ToBase64String(Encoding.UTF8.GetBytes(JsonSerializer.Serialize <IImage>(image,
new JsonSerializerOptions {
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
})
)));
Console.WriteLine($"Added to Client Sync Queue: {sendReceipt.Value.MessageId}");
}
catch (Exception ex)
{
Console.WriteLine(ex.ToString());
}
}
await Task.Delay(TimeSpan.FromSeconds(Env.GetInt("AZURE_STORAGE_QUEUE_RECEIVE_SLEEP", 1)));
}
}
