public static async Task<IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "post", Route = null)] HttpRequest req,
ILogger log)
{
var textTranslator = new GoogleTextTranslator();
try
{
// From
StringValues fromValues;
req.Form.TryGetValue("from", out fromValues);
var from = fromValues.ToString();
// To
StringValues toValues;
req.Form.TryGetValue("to", out toValues);
if (toValues.Count == 0)
{
throw new Exception("Missing field `to`");
}
var to = toValues.ToString();
// File
if (req.Form.Files.Count == 0)
{
throw new Exception("Missing file");
}
var file = req.Form.Files[0];
var stream = file.OpenReadStream();
// Since this stream is read-only, we create a copy that we mutate
var memoryStream = new MemoryStream();
stream.CopyTo(memoryStream);
// Reset the position to the start
memoryStream.Position = 0;
// Select the appropriate translator
var mimeType = file.ContentType;
var documentTranslator = DocumentTranslatorByMimeType(mimeType);
// Perform the translation
// This modifies the memoryStream in place, so we don't get a return value back.
await documentTranslator.TranslateDocument(memoryStream, textTranslator, to, from);
// Return the new file
return new FileContentResult(memoryStream.ToArray(), mimeType);
}
catch (Exception error)
{
Console.Error.WriteLine(error);
return new ObjectResult(new { error = error }) { StatusCode = 500 };
}
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", Route = null)] HttpRequest req,
ILogger log)
{
try
{
var translator = new GoogleTextTranslator();
var languages = await translator.ListSupportedLanguages();
return(new OkObjectResult(languages));
}
catch (Exception error)
{
Console.Error.WriteLine(error);
return(new ObjectResult(new { error })
{
StatusCode = 500
});
}
}
