public async Task <IActionResult> Edit(int id, [Bind("Id,ImgUrl")] EventImg eventImg)
{
if (id != eventImg.Id)
{
return(NotFound());
}
if (ModelState.IsValid)
{
try
{
_context.Update(eventImg);
await _context.SaveChangesAsync();
}
catch (DbUpdateConcurrencyException)
{
if (!EventImgExists(eventImg.Id))
{
return(NotFound());
}
else
{
throw;
}
}
return(RedirectToAction(nameof(Index)));
}
return(View(eventImg));
}
public async Task <IActionResult> Create([Bind("Id,ImgUrl")] EventImg eventImg)
{
if (ModelState.IsValid)
{
_context.Add(eventImg);
await _context.SaveChangesAsync();
return(RedirectToAction(nameof(Index)));
}
return(View(eventImg));
}
public async Task <bool> UploadFileToStorage(Stream fileStream, string fileName, AzureStorageConfig _storageConfig, [Bind("id,ImgUrl")] EventImg eventImg, [Bind("Id,EventName,EventDate,Description,Place,AforoActual,AforoTotal,Visitas")] Evento evento, string time)
{
// Create storagecredentials object by reading the values from the configuration (appsettings.json)
StorageCredentials storageCredentials = new StorageCredentials(_storageConfig.AccountName, _storageConfig.AccountKey);
// Create cloudstorage account by passing the storagecredentials
CloudStorageAccount storageAccount = new CloudStorageAccount(storageCredentials, true);
// Create the blob client.
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
// Get reference to the blob container by passing the name by reading the value from the configuration (appsettings.json)
CloudBlobContainer container = blobClient.GetContainerReference(_storageConfig.EventImgContainer);
// Get the reference to the block blob from the container
CloudBlockBlob blockBlob = container.GetBlockBlobReference(fileName);
// Upload the file
await blockBlob.UploadFromStreamAsync(fileStream);
var blobUrl = blockBlob.Uri.AbsoluteUri;
var img = new EventImg
{
ImgUrl = blobUrl
};
_context.Add(img);
await _context.SaveChangesAsync();
DateTimeOffset eventodate = evento.EventDate;
var timeSpanVal = time.ToString().Split(':').Select(x => Convert.ToInt32(x)).ToList();
TimeSpan ts = new TimeSpan(timeSpanVal[0], timeSpanVal[1], 00);
evento.EventDate = eventodate.Add(ts);
evento.Estado = _context.EstadoEventos.Single(x => x.Id == 1);
evento.Imgs = img;
evento.AforoActual = 0;
evento.Visitas = 0;
if (ModelState.IsValid)
{
_context.Add(evento);
await _context.SaveChangesAsync();
}
return(await Task.FromResult(true));
}
public async Task <IActionResult> Post(List <IFormFile> files, [Bind("id,ImgUrl")] EventImg eventImg, [Bind("Id,EventName,EventDate,Description,Place,AforoActual,AforoTotal,Visitas")] Evento evento, string time)
{
var uploadSuccess = false;
foreach (var formFile in files)
{
if (formFile.Length <= 0)
{
continue;
}
// NOTE: uncomment either OPTION A or OPTION B to use one approach over another
// OPTION A: convert to byte array before upload
//using (var ms = new MemoryStream())
//{
// formFile.CopyTo(ms);
// var fileBytes = ms.ToArray();
// uploadSuccess = await UploadToBlob(formFile.FileName, fileBytes, null);
//}
// OPTION B: read directly from stream for blob upload
using (var stream = formFile.OpenReadStream())
{
uploadSuccess = await UploadFileToStorage(stream, formFile.FileName, _storageConfig, eventImg, evento, time);
}
}
if (uploadSuccess)
{
return(RedirectToAction("Create", "Eventos"));
}
else
{
return(View("UploadError"));
}
}
