public async Task <IFile> CopyFromAsync(IFile file, string targetPath)
{
Guard.ArgumentNotNull(file, nameof(file));
if (!file.Exists)
{
throw new ArgumentException("要从中复制内容的源文件不存在。", nameof(file));
}
Guard.ArgumentIsRelativePath(targetPath, nameof(targetPath));
string fullPath = _fileMapping.GetFilePath(targetPath, _scope);
using (var fs = await file.CreateReadStreamAsync())
{
return(await CreateFileAsync(fullPath, fs));
}
}
public PhysicalFile(string scope, string filePath, IFileRequestMapping fileRequestMapping)
{
Guard.ArgumentNotNull(fileRequestMapping, nameof(fileRequestMapping));
Guard.ArgumentIsRelativePath(filePath, nameof(filePath));
_filePath = filePath;
_fullPath = fileRequestMapping.GetFilePath(filePath, scope);
_mapping = fileRequestMapping;
}
public Task <IFile> SaveChangesAsync()
{
string fullPath = _fileMapping.GetFilePath(_relativePath, _scope);
string directory = Path.GetDirectoryName(fullPath);
if (!Directory.Exists(directory))
{
Directory.CreateDirectory(directory);
}
File.Copy(_tempFilePath, fullPath, true);
return(Task.FromResult <IFile>(new PhysicalFile(_scope, _relativePath, _fileMapping)));
}