public static async Task<bool> UploadPictureToCloud(PictureViewModel pictureViewModel, byte[] image)
{
try
{
var blockBlobClient = App.account.CreateCloudBlobClient();
var contianer = blockBlobClient.GetContainerReference(App.contianerName);
await contianer.CreateIfNotExistsAsync();
string blobReference = Guid.NewGuid().ToString();
CloudBlockBlob picture = contianer.GetBlockBlobReference(blobReference);
await picture.UploadFromByteArrayAsync(image, 0, image.Length);
//await picture.UploadFromStreamAsync(image);
pictureViewModel.PictureUrl = picture.Uri.ToString();
var tableClient = App.account.CreateCloudTableClient();
var table = tableClient.GetTableReference(App.tableName);
await table.CreateIfNotExistsAsync();
var operation = TableOperation.Insert(pictureViewModel.PictureTableEntity);
await table.ExecuteAsync(operation);
return true;
}
catch (Exception)
{
throw;
}
}
internal void AddImage(PictureViewModel uploadForm)
{
allImages.Add(uploadForm);
}
public async Task<bool> DeletePictureFormCloud(PictureViewModel pictureViewModel)
{
try
{
var blob = new CloudBlockBlob(new Uri(pictureViewModel.PictureUrl), App.credentials);
await blob.DeleteAsync();
var tableClient = App.account.CreateCloudTableClient();
var table = tableClient.GetTableReference(App.tableName);
var operation = TableOperation.Delete(pictureViewModel.PictureTableEntity);
await table.ExecuteAsync(operation);
allImages.Remove(pictureViewModel);
return true;
}
catch (Exception)
{
throw;
}
}
public async Task<MemoryStream> DownloadPictureFromCloud(PictureViewModel pictureViewModel)
{
try
{
var blob = new CloudBlockBlob(new Uri(pictureViewModel.PictureUrl), App.credentials);
var ims = new MemoryStream();
await blob.DownloadToStreamAsync(ims);
return ims;
}
catch (Exception)
{
throw;
}
}
private async void AddToAzureSaveList(int camNum, byte[] image)
{
//Remember byte[] to upload more cam pics in the future
var uploadForm = new PictureViewModel();
uploadForm.Name = camNum.ToString();
uploadForm.PictureFile = image;
_pictureDataSource.AddImage(uploadForm);
}
