public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Function, "post", Route = null)] HttpRequest req,
ILogger log)
{
var(reqParam, exc) = await req.ParseRequestParameter();
if (exc != null)
{
return(new BadRequestObjectResult(exc.Message));
}
using var binaryReader = new BinaryReader(reqParam.Value.Image.OpenReadStream());
var imageByteData = binaryReader.ReadBytes((int)reqParam.Value.Image.Length);
try {
var result = await VisionOCRService.
AnalyzeAsync(client, reqParam.Value.Endpoint, reqParam.Value.SubscriptionKey, imageByteData)
.ConfigureAwait(false);
var jsonContent = JToken.Parse(result);
return(new JsonResult(jsonContent));
} catch (Exception e) {
return(new BadRequestObjectResult(e.Message));
}
}
public static Task <string> RunOCR(string endpoint, string subscriptionKey, string imageBase64)
{
var image = Convert.FromBase64String(imageBase64);
return(VisionOCRService.AnalyzeAsync(httpClient, endpoint, subscriptionKey, image));
}