public async Task RecognizeContentFromUri()
{
string endpoint = TestEnvironment.Endpoint;
string apiKey = TestEnvironment.ApiKey;
FormRecognizerClient client = new FormRecognizerClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
Uri formUri = FormRecognizerTestEnvironment.CreateUri("Invoice_1.pdf");
#region Snippet:FormRecognizerSampleRecognizeContentFromUri
//@@ Uri formUri = <formUri>;
Response <FormPageCollection> response = await client.StartRecognizeContentFromUriAsync(formUri).WaitForCompletionAsync();
FormPageCollection formPages = response.Value;
foreach (FormPage page in formPages)
{
Console.WriteLine($"Form Page {page.PageNumber} has {page.Lines.Count} lines.");
for (int i = 0; i < page.Lines.Count; i++)
{
FormLine line = page.Lines[i];
Console.WriteLine($" Line {i} has {line.Words.Count} {(line.Words.Count == 1 ? "word" : "words")}, and text: '{line.Text}'.");
Console.WriteLine(" Its bounding box is:");
Console.WriteLine($" Upper left => X: {line.BoundingBox[0].X}, Y= {line.BoundingBox[0].Y}");
Console.WriteLine($" Upper right => X: {line.BoundingBox[1].X}, Y= {line.BoundingBox[1].Y}");
Console.WriteLine($" Lower right => X: {line.BoundingBox[2].X}, Y= {line.BoundingBox[2].Y}");
Console.WriteLine($" Lower left => X: {line.BoundingBox[3].X}, Y= {line.BoundingBox[3].Y}");
}
for (int i = 0; i < page.Tables.Count; i++)
{
FormTable table = page.Tables[i];
Console.WriteLine($" Table {i} has {table.RowCount} rows and {table.ColumnCount} columns.");
foreach (FormTableCell cell in table.Cells)
{
Console.WriteLine($" Cell ({cell.RowIndex}, {cell.ColumnIndex}) contains text: '{cell.Text}'.");
}
}
for (int i = 0; i < page.SelectionMarks.Count; i++)
{
FormSelectionMark selectionMark = page.SelectionMarks[i];
Console.WriteLine($" Selection Mark {i} is {selectionMark.State}.");
Console.WriteLine(" Its bounding box is:");
Console.WriteLine($" Upper left => X: {selectionMark.BoundingBox[0].X}, Y= {selectionMark.BoundingBox[0].Y}");
Console.WriteLine($" Upper right => X: {selectionMark.BoundingBox[1].X}, Y= {selectionMark.BoundingBox[1].Y}");
Console.WriteLine($" Lower right => X: {selectionMark.BoundingBox[2].X}, Y= {selectionMark.BoundingBox[2].Y}");
Console.WriteLine($" Lower left => X: {selectionMark.BoundingBox[3].X}, Y= {selectionMark.BoundingBox[3].Y}");
}
}
#endregion
}
public async Task RecognizeContentFromUri()
{
string endpoint = TestEnvironment.Endpoint;
string apiKey = TestEnvironment.ApiKey;
FormRecognizerClient client = new FormRecognizerClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
Uri invoiceUri = FormRecognizerTestEnvironment.CreateUri("Invoice_1.pdf");
#region Snippet:FormRecognizerSampleRecognizeContentFromUri
FormPageCollection formPages = await client.StartRecognizeContentFromUriAsync(invoiceUri).WaitForCompletionAsync();
foreach (FormPage page in formPages)
{
Console.WriteLine($"Form Page {page.PageNumber} has {page.Lines.Count} lines.");
for (int i = 0; i < page.Lines.Count; i++)
{
FormLine line = page.Lines[i];
Console.WriteLine($" Line {i} has {line.Words.Count} word{(line.Words.Count > 1 ? "s" : "")}, and text: '{line.Text}'.");
}
for (int i = 0; i < page.Tables.Count; i++)
{
FormTable table = page.Tables[i];
Console.WriteLine($"Table {i} has {table.RowCount} rows and {table.ColumnCount} columns.");
foreach (FormTableCell cell in table.Cells)
{
Console.WriteLine($" Cell ({cell.RowIndex}, {cell.ColumnIndex}) contains text: '{cell.Text}'.");
}
}
}
#endregion
}
public async Task RecognizeContentFromUri()
{
string endpoint = TestEnvironment.Endpoint;
string apiKey = TestEnvironment.ApiKey;
FormRecognizerClient client = new FormRecognizerClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
#region Snippet:FormRecognizerSampleRecognizeContentFromUri
#if SNIPPET
Uri formUri = new Uri("<formUri>");
#else
Uri formUri = FormRecognizerTestEnvironment.CreateUri("Invoice_1.pdf");
#endif
Response <FormPageCollection> response = await client.StartRecognizeContentFromUriAsync(formUri).WaitForCompletionAsync();
FormPageCollection formPages = response.Value;
foreach (FormPage page in formPages)
{
Console.WriteLine($"Form Page {page.PageNumber} has {page.Lines.Count} lines.");
for (int i = 0; i < page.Lines.Count; i++)
{
FormLine line = page.Lines[i];
Console.WriteLine($" Line {i} has {line.Words.Count} {(line.Words.Count == 1 ? "word" : "words")}, and text: '{line.Text}'.");
if (line.Appearance != null)
{
// Check the style and style confidence to see if text is handwritten.
// Note that value '0.8' is used as an example.
if (line.Appearance.Style.Name == TextStyleName.Handwriting && line.Appearance.Style.Confidence > 0.8)
{
Console.WriteLine("The text is handwritten");
}
}
Console.WriteLine(" Its bounding box is:");
Console.WriteLine($" Upper left => X: {line.BoundingBox[0].X}, Y= {line.BoundingBox[0].Y}");
Console.WriteLine($" Upper right => X: {line.BoundingBox[1].X}, Y= {line.BoundingBox[1].Y}");
Console.WriteLine($" Lower right => X: {line.BoundingBox[2].X}, Y= {line.BoundingBox[2].Y}");
Console.WriteLine($" Lower left => X: {line.BoundingBox[3].X}, Y= {line.BoundingBox[3].Y}");
}
for (int i = 0; i < page.Tables.Count; i++)
{
FormTable table = page.Tables[i];
Console.WriteLine($" Table {i} has {table.RowCount} rows and {table.ColumnCount} columns.");
foreach (FormTableCell cell in table.Cells)
{
Console.WriteLine($" Cell ({cell.RowIndex}, {cell.ColumnIndex}) contains text: '{cell.Text}'.");
}
}
for (int i = 0; i < page.SelectionMarks.Count; i++)
{
FormSelectionMark selectionMark = page.SelectionMarks[i];
Console.WriteLine($" Selection Mark {i} is {selectionMark.State}.");
Console.WriteLine(" Its bounding box is:");
Console.WriteLine($" Upper left => X: {selectionMark.BoundingBox[0].X}, Y= {selectionMark.BoundingBox[0].Y}");
Console.WriteLine($" Upper right => X: {selectionMark.BoundingBox[1].X}, Y= {selectionMark.BoundingBox[1].Y}");
Console.WriteLine($" Lower right => X: {selectionMark.BoundingBox[2].X}, Y= {selectionMark.BoundingBox[2].Y}");
Console.WriteLine($" Lower left => X: {selectionMark.BoundingBox[3].X}, Y= {selectionMark.BoundingBox[3].Y}");
}
}
#endregion
}
static async Task Main(string[] args)
{
Env.Load("../../../../.env");
//using var listener = AzureEventSourceListener.CreateConsoleLogger();
var cred = Identity.GetCredentialChain();
// QueueClient
var queueServiceClient = new QueueServiceClient(
new Uri(Env.GetString("AZURE_STORAGE_QUEUE_ENDPOINT")), cred);
var queueClient = queueServiceClient.GetQueueClient(Env.GetString("AZURE_STORAGE_QUEUE_NAME"));
await queueClient.CreateIfNotExistsAsync();
// FormRecognizerClient
var formRecognizerClient = new FormRecognizerClient(
new Uri(Env.GetString("AZURE_FORM_RECOGNIZER_ENDPOINT")),
cred);
// TextAnalyticsClient
var textAnalyticsClient = new TextAnalyticsClient(
new Uri(Env.GetString("AZURE_TEXT_ANALYTICS_ENDPOINT")),
cred);
// CosmosClient
var cosmosClient = new CosmosClient(
Env.GetString("AZURE_COSMOS_ENDPOINT"),
Env.GetString("AZURE_COSMOS_KEY"),
new CosmosClientOptions
{
Diagnostics =
{
IsLoggingEnabled = false
},
ConnectionMode = ConnectionMode.Direct,
ConsistencyLevel = ConsistencyLevel.Session,
SerializerOptions = new CosmosSerializationOptions {
PropertyNamingPolicy = CosmosPropertyNamingPolicy.CamelCase, IgnoreNullValues = true
},
});
// Create Database and Container
var databaseResponse = await cosmosClient.CreateDatabaseIfNotExistsAsync(Env.GetString("AZURE_COSMOS_DB"));
var containerResponse = await databaseResponse.Database.CreateContainerIfNotExistsAsync(new ContainerProperties(Env.GetString("AZURE_COSMOS_CONTAINER"), "/uid"));
while (true)
{
Console.WriteLine("Receiving Messages...");
// Get Messages
var messages = await queueClient.ReceiveMessagesAsync(maxMessages : Env.GetInt("AZURE_STORAGE_QUEUE_MSG_COUNT", 10));
foreach (var message in messages.Value)
{
Console.WriteLine(message.MessageText);
// Deserialize Message
var image = JsonSerializer.Deserialize <Image>(message.MessageText,
new JsonSerializerOptions {
PropertyNamingPolicy = JsonNamingPolicy.CamelCase
});
// Extract Text from Image
var recognizeContentOperation = await 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($"{b.Text} ");
return(a);
});
image.Text = text.ToString();
if (!string.IsNullOrEmpty(image.Text))
{
Console.WriteLine($"Image Text: {image.Text}");
// Analyize Text Sentiment
var documentSentiment = await textAnalyticsClient.AnalyzeSentimentAsync(image.Text);
image.Sentiment = documentSentiment.Value.Sentiment.ToString();
Console.WriteLine($"Image Sentiment: {image.Sentiment}");
}
else
{
Console.WriteLine("No Text Extracted from Image.");
}
// Create Cosmos Document
var document = await containerResponse.Container.UpsertItemAsync(image);
Console.WriteLine($"Cosmos Document Saved: {document.Value.Id}");
// Delete Queue Message
var deleteResponse = await queueClient.DeleteMessageAsync(message.MessageId, message.PopReceipt);
Console.WriteLine($"Queue Message Deleted: {message.MessageId}");
}
await Task.Delay(TimeSpan.FromSeconds(Env.GetInt("AZURE_STORAGE_QUEUE_RECEIVE_SLEEP", 1)));
}
}