public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("Vendor File In triggered. Attemping upload of file from body of API call...");
// Create blob operator working on in-blob
CommonBlob blobOps = new CommonBlob("in");
// Store binary file from request body as stream
Stream data = req.Body;
// Create unique file name as combo of datetime and Guid
DateTime _date = DateTime.Now;
var _dateString = _date.ToString("dd-MM-yyyy");
string fileId = Guid.NewGuid().ToString();
string fileName = $"{_dateString}-{fileId}.xlsx";
// Address where blob can be found at
Uri retUri = await blobOps.uploadFileToBlob(data, fileName);
Console.WriteLine(retUri.AbsoluteUri);
// Return id of file in blob
var blobname = $"{_dateString}-{fileId}";
return(new OkObjectResult(new { fileId = fileName }));
}
public static async Task <IActionResult> Run(
[HttpTrigger(AuthorizationLevel.Anonymous, "get", "post", Route = null)] HttpRequest req,
ILogger log)
{
log.LogInformation("C# Blob to File Function processed a request.");
// Get id and path from query parameters
string id = req.Query["id"];
string path = req.Query["path"];
// Set default in case no parameters are given (only works for me!)
if (id == ".xlsx")
{
// No id in parameter should return blank file.
id = "download.xlsx";
}
if (path == null)
{
// Automatically sets download path to Downloads
//path = new KnownFolder(KnownFolderType.Downloads).Path+"\\";
}
// Create blob operator working on 'out' blob
CommonBlob blobOps = new CommonBlob("out");
// Bring container instance into this scope
CloudBlobContainer cloudBlobContainer = blobOps.getLocalCloudBlobContainer();
// Pull blob with given id from container. If none match, null is returned
CloudBlockBlob cloudBlockBlob = cloudBlobContainer.GetBlockBlobReference(id);
// Frodes method of returning a binary stream
if (path == null)
{
log.LogInformation("Returning file as binary stream to API client");
await blobOps.getListAsStream(id);
}
// Download file directly from blob to API client machine
await cloudBlockBlob.DownloadToFileAsync($"{path}{id}", FileMode.Create);
// Return destination file was downloaded to
return(new OkObjectResult($"File downloaded. Can be found at path: {path}{id}"));
}
