/// <summary>
/// 檔案上傳儲存於本地端
/// </summary>
/// <param name="file">上傳之檔案</param>
/// <param name="folder">欲存放資料夾名稱</param>
/// <returns>T.</returns>
/// <exception cref="System.NullReferenceException">檔案為空或是沒有任何檔案長度</exception>
protected internal static CiFile SaveLocal(HttpPostedFileBase file, string folder = "Temps", string fileName = "")
{
if (IsNullOrEmpty(file))
{
throw new NullReferenceException("檔案為空或是沒有任何檔案長度");
}
var ext = Path.GetExtension(file.FileName);
if (string.IsNullOrWhiteSpace(fileName))
{
fileName = GetNewFileName();
}
CiFile model = new CiFile
{
Extension = ext,
NewName = fileName,
OriName = Path.GetFileNameWithoutExtension(file.FileName),
Folder = folder,
VirtualPath = Path.Combine(RootPath, folder)
};
model.FullPath =
HttpContext.Current.Server.MapPath(Path.Combine(model.VirtualPath, model.NewName + model.Extension));
// 若檔名重複則自動重新取得編號
while (File.Exists(model.FullPath))
{
model.NewName = GetNewFileName();
model.FullPath =
HttpContext.Current.Server.MapPath(Path.Combine(model.VirtualPath, model.NewName + model.Extension));
}
// 檢查資料夾是否存在，若不存在則自動建立
if (!Directory.Exists(Path.GetDirectoryName(model.FullPath)))
{
Directory.CreateDirectory(Path.GetDirectoryName(model.FullPath));
}
// 存檔
file.SaveAs(model.FullPath);
model.VirtualPath = Path.Combine(model.VirtualPath, model.NewName + model.Extension);
return model;
}
protected internal async static Task<CiFile> SaveAzureStorageAsync(HttpPostedFileBase file, string containerName, string fileName, string connectionString)
{
if (IsNullOrEmpty(file))
{
throw new ArgumentNullException(nameof(file), "file is null or empty");
}
var ext = Path.GetExtension(file.FileName);
if (string.IsNullOrWhiteSpace(fileName))
{
fileName = GetNewFileName();
}
var ciFile = new CiFile()
{
Extension = ext,
Folder = containerName,
NewName = fileName,
OriName = Path.GetFileNameWithoutExtension(file.FileName),
StorageType = StorageType.Azure
};
// initlize storageaccount by various setting
if (string.IsNullOrWhiteSpace(connectionString))
{
if (CiConfig.Global.CiFile.AzureStorage.ConnectionString != null
&& !string.IsNullOrWhiteSpace(CiConfig.Global.CiFile.AzureStorage.ConnectionString.ToString()))
{
connectionString = CiConfig.Global.CiFile.AzureStorage.ConnectionString.ToString();
}
else
{
throw new ArgumentNullException(nameof(CiConfig.Global.CiFile.AzureStorage.ConnectionString), "AzureStorage ConnectionString is empty.");
}
}
CloudStorageAccount storageAccount = CloudStorageAccount.Parse(connectionString);
CloudBlobClient blobClient = storageAccount.CreateCloudBlobClient();
// Retrieve a reference to a container, container name must be loweer case.
CloudBlobContainer container = blobClient.GetContainerReference(containerName);
container.SetPermissions(new BlobContainerPermissions { PublicAccess = BlobContainerPublicAccessType.Off });
// Create the container if it doesn't already exist.
container.CreateIfNotExists();
// Retrieve reference to a blob named "myblob", aka filename.
CloudBlockBlob blockBlob = container.GetBlockBlobReference(fileName + ext);
await blockBlob.UploadFromStreamAsync(file.InputStream);
ciFile.FullPath = blockBlob.StorageUri.ToString();
ciFile.VirtualPath = blockBlob.Uri.ToString();
return ciFile;
}
