public async Task <TClass> LoadPhoto(TClass existEvent, O2EvPhoto o2EvPhoto)
{
DataContext.Attach(o2EvPhoto);
o2EvPhoto.O2EvEvent = existEvent;
existEvent.Photos.Add(o2EvPhoto);
DataContext.O2EvPhoto.Add(o2EvPhoto);
return(await AddOrUpdateAsync(existEvent));
}
private static async Task <O2EvPhoto> PreparePhoto(O2EvEvent existEvent,
O2EvEventPhotoDto o2EvEventPhotoDto = null)
{
const string notImage = "not_image.jpg";
const string path = "Files/" + notImage;
var o2EvPhoto = new O2EvPhoto();
//load default photo
if (o2EvEventPhotoDto == null)
{
if (!System.IO.File.Exists(path))
{
throw new Exception("File not found - " + path);
}
using (FileStream stream = new FileStream(path, FileMode.Open, FileAccess.Read))
{
o2EvPhoto.FileName = existEvent.Id.ToString() + '_' + DateTime.Now.ConvertToUnixTime() +
Path.GetExtension(notImage).ToLower();
o2EvPhoto.Url = await AzureBlobHelper.UploadFileToStorage(stream,
fileName : o2EvPhoto.FileName,
TypeTable.Events);
o2EvPhoto.IsMain = true;
return(o2EvPhoto);
}
}
//prepare file
var file = o2EvEventPhotoDto.File;
if (file.Length > 0)
{
using (Stream stream = file.OpenReadStream())
{
o2EvPhoto.Url = await AzureBlobHelper.UploadFileToStorage(stream,
existEvent.Id.ToString() + '_' + DateTime.Now.ConvertToUnixTime() +
Path.GetExtension(notImage).ToLower(),
TypeTable.Events);
return(o2EvPhoto);
}
}
throw new Exception("File is empty");
}
