public async Task StronglyTypingARecognizedForm()
{
string endpoint = TestEnvironment.Endpoint;
string apiKey = TestEnvironment.ApiKey;
FormRecognizerClient client = new FormRecognizerClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
string receiptUri = FormRecognizerTestEnvironment.CreateUriString("contoso-receipt.jpg");
#region Snippet:FormRecognizerSampleStronglyTypingARecognizedForm
RecognizedFormCollection recognizedForms = await client.StartRecognizeReceiptsFromUri(new Uri(receiptUri)).WaitForCompletionAsync();
foreach (RecognizedForm recognizedForm in recognizedForms)
{
Receipt receipt = new Receipt(recognizedForm);
if (receipt.MerchantName != null)
{
string merchantName = receipt.MerchantName;
Console.WriteLine($"Merchant Name: '{merchantName}', with confidence {receipt.MerchantName.Confidence}");
}
if (receipt.TransactionDate != null)
{
DateTime transactionDate = receipt.TransactionDate;
Console.WriteLine($"Transaction Date: '{transactionDate}', with confidence {receipt.TransactionDate.Confidence}");
}
foreach (ReceiptItem item in receipt.Items)
{
Console.WriteLine("Item:");
if (item.Name != null)
{
string name = item.Name;
Console.WriteLine($" Name: '{name}', with confidence {item.Name.Confidence}");
}
if (item.TotalPrice != null)
{
float totalPrice = item.TotalPrice;
Console.WriteLine($" Total Price: '{totalPrice}', with confidence {item.TotalPrice.Confidence}");
}
}
if (receipt.Total != null)
{
float total = receipt.Total;
Console.WriteLine($"Total: '{total}', with confidence {receipt.Total.Confidence}");
}
}
#endregion
}
public async Task <IActionResult> AnalyzeReceiptV2(string receiptUri)
{
try
{
FormRecognizerClient recognizerClient = AuthenticateClient();
RecognizedFormCollection receipts = await recognizerClient.StartRecognizeReceiptsFromUri(new Uri(receiptUri)).WaitForCompletionAsync();
if (receipts != null)
{
return(new OkObjectResult(receipts));
}
return(new BadRequestObjectResult("No result"));
}
catch (Exception ex)
{
return(new BadRequestObjectResult(ex.ToString()));
}
}
public async Task BadRequestSnippet()
{
string endpoint = TestEnvironment.Endpoint;
string apiKey = TestEnvironment.ApiKey;
var credential = new AzureKeyCredential(apiKey);
var client = new FormRecognizerClient(new Uri(endpoint), credential);
#region Snippet:FormRecognizerBadRequest
try
{
RecognizedReceiptCollection receipts = await client.StartRecognizeReceiptsFromUri(new Uri("http://invalid.uri")).WaitForCompletionAsync();
}
catch (RequestFailedException e)
{
Console.WriteLine(e.ToString());
}
#endregion
}
public async Task RecognizeReceiptsFromUri()
{
string endpoint = TestEnvironment.Endpoint;
string apiKey = TestEnvironment.ApiKey;
FormRecognizerClient client = new FormRecognizerClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
string receiptUri = FormRecognizerTestEnvironment.JpgReceiptUri;
#region Snippet:FormRecognizerSampleRecognizeReceiptFileFromUri
RecognizedReceiptCollection receipts = await client.StartRecognizeReceiptsFromUri(new Uri(receiptUri)).WaitForCompletionAsync();
foreach (var receipt in receipts)
{
USReceipt usReceipt = receipt.AsUSReceipt();
string merchantName = usReceipt.MerchantName?.Value ?? default;
DateTime transactionDate = usReceipt.TransactionDate?.Value ?? default;
IReadOnlyList <USReceiptItem> items = usReceipt.Items ?? default;
float subtotal = usReceipt.Subtotal?.Value ?? default;
float tax = usReceipt.Tax?.Value ?? default;
float tip = usReceipt.Tip?.Value ?? default;
float total = usReceipt.Total?.Value ?? default;
Console.WriteLine($"Recognized USReceipt fields:");
Console.WriteLine($" Merchant Name: '{merchantName}', with confidence {usReceipt.MerchantName.Confidence}");
Console.WriteLine($" Transaction Date: '{transactionDate}', with confidence {usReceipt.TransactionDate.Confidence}");
for (int i = 0; i < items.Count; i++)
{
USReceiptItem item = usReceipt.Items[i];
Console.WriteLine($" Item {i}: Name: '{item.Name.Value}', Quantity: '{item.Quantity?.Value}', Price: '{item.Price?.Value}'");
Console.WriteLine($" TotalPrice: '{item.TotalPrice.Value}'");
}
Console.WriteLine($" Subtotal: '{subtotal}', with confidence '{usReceipt.Subtotal.Confidence}'");
Console.WriteLine($" Tax: '{tax}', with confidence '{usReceipt.Tax.Confidence}'");
Console.WriteLine($" Tip: '{tip}', with confidence '{usReceipt.Tip?.Confidence ?? 0.0f}'");
Console.WriteLine($" Total: '{total}', with confidence '{usReceipt.Total.Confidence}'");
}
#endregion
}
// </snippet_getcontent_print>
// <snippet_receipt_call>
private static async Task AnalyzeReceipt(
FormRecognizerClient recognizerClient, string receiptUri)
{
RecognizedFormCollection receipts = await recognizerClient.StartRecognizeReceiptsFromUri(new Uri(receiptUrl)).WaitForCompletionAsync();
// </snippet_receipt_call>
// <snippet_receipt_print>
foreach (RecognizedForm receipt in receipts)
{
FormField merchantNameField;
if (receipt.Fields.TryGetValue("MerchantName", out merchantNameField))
{
if (merchantNameField.Value.ValueType == FieldValueType.String)
{
string merchantName = merchantNameField.Value.AsString();
Console.WriteLine($"Merchant Name: '{merchantName}', with confidence {merchantNameField.Confidence}");
}
}
FormField transactionDateField;
if (receipt.Fields.TryGetValue("TransactionDate", out transactionDateField))
{
if (transactionDateField.Value.ValueType == FieldValueType.Date)
{
DateTime transactionDate = transactionDateField.Value.AsDate();
Console.WriteLine($"Transaction Date: '{transactionDate}', with confidence {transactionDateField.Confidence}");
}
}
FormField itemsField;
if (receipt.Fields.TryGetValue("Items", out itemsField))
{
if (itemsField.Value.ValueType == FieldValueType.List)
{
foreach (FormField itemField in itemsField.Value.AsList())
{
Console.WriteLine("Item:");
if (itemField.Value.ValueType == FieldValueType.Dictionary)
{
IReadOnlyDictionary <string, FormField> itemFields = itemField.Value.AsDictionary();
FormField itemNameField;
if (itemFields.TryGetValue("Name", out itemNameField))
{
if (itemNameField.Value.ValueType == FieldValueType.String)
{
string itemName = itemNameField.Value.AsString();
Console.WriteLine($" Name: '{itemName}', with confidence {itemNameField.Confidence}");
}
}
FormField itemTotalPriceField;
if (itemFields.TryGetValue("TotalPrice", out itemTotalPriceField))
{
if (itemTotalPriceField.Value.ValueType == FieldValueType.Float)
{
float itemTotalPrice = itemTotalPriceField.Value.AsFloat();
Console.WriteLine($" Total Price: '{itemTotalPrice}', with confidence {itemTotalPriceField.Confidence}");
}
}
}
}
}
}
FormField totalField;
if (receipt.Fields.TryGetValue("Total", out totalField))
{
if (totalField.Value.ValueType == FieldValueType.Float)
{
float total = totalField.Value.AsFloat();
Console.WriteLine($"Total: '{total}', with confidence '{totalField.Confidence}'");
}
}
}
}
public async Task RecognizeReceiptsFromUri()
{
string endpoint = TestEnvironment.Endpoint;
string apiKey = TestEnvironment.ApiKey;
FormRecognizerClient client = new FormRecognizerClient(new Uri(endpoint), new AzureKeyCredential(apiKey));
string receiptUri = FormRecognizerTestEnvironment.CreateUriString("contoso-receipt.jpg");
#region Snippet:FormRecognizerSampleRecognizeReceiptFileFromUri
RecognizedReceiptCollection receipts = await client.StartRecognizeReceiptsFromUri(new Uri(receiptUri)).WaitForCompletionAsync();
// To see the list of the supported fields returned by service and its corresponding types, consult:
// https://westus2.dev.cognitive.microsoft.com/docs/services/form-recognizer-api-v2-preview/operations/GetAnalyzeReceiptResult
foreach (RecognizedReceipt receipt in receipts)
{
FormField merchantNameField;
if (receipt.RecognizedForm.Fields.TryGetValue("MerchantName", out merchantNameField))
{
if (merchantNameField.Value.Type == FieldValueType.String)
{
string merchantName = merchantNameField.Value.AsString();
Console.WriteLine($"Merchant Name: '{merchantName}', with confidence {merchantNameField.Confidence}");
}
}
FormField transactionDateField;
if (receipt.RecognizedForm.Fields.TryGetValue("TransactionDate", out transactionDateField))
{
if (transactionDateField.Value.Type == FieldValueType.Date)
{
DateTime transactionDate = transactionDateField.Value.AsDate();
Console.WriteLine($"Transaction Date: '{transactionDate}', with confidence {transactionDateField.Confidence}");
}
}
FormField itemsField;
if (receipt.RecognizedForm.Fields.TryGetValue("Items", out itemsField))
{
if (itemsField.Value.Type == FieldValueType.List)
{
foreach (FormField itemField in itemsField.Value.AsList())
{
Console.WriteLine("Item:");
if (itemField.Value.Type == FieldValueType.Dictionary)
{
IReadOnlyDictionary <string, FormField> itemFields = itemField.Value.AsDictionary();
FormField itemNameField;
if (itemFields.TryGetValue("Name", out itemNameField))
{
if (itemNameField.Value.Type == FieldValueType.String)
{
string itemName = itemNameField.Value.AsString();
Console.WriteLine($" Name: '{itemName}', with confidence {itemNameField.Confidence}");
}
}
FormField itemTotalPriceField;
if (itemFields.TryGetValue("TotalPrice", out itemTotalPriceField))
{
if (itemTotalPriceField.Value.Type == FieldValueType.Float)
{
float itemTotalPrice = itemTotalPriceField.Value.AsFloat();
Console.WriteLine($" Total Price: '{itemTotalPrice}', with confidence {itemTotalPriceField.Confidence}");
}
}
}
}
}
}
FormField totalField;
if (receipt.RecognizedForm.Fields.TryGetValue("Total", out totalField))
{
if (totalField.Value.Type == FieldValueType.Float)
{
float total = totalField.Value.AsFloat();
Console.WriteLine($"Total: '{total}', with confidence '{totalField.Confidence}'");
}
}
}
#endregion
}