public override async Task <bool> DeleteAsync(FileProviderDeleteArgs args)
{
var configuration = args.Configuration.GetFastDFSConfiguration();
ConfigurationFactory.AddIfNotContains(configuration);
var fileId = FileNameCalculator.Calculate(args);
var containerName = GetContainerName(configuration, args);
return(await Client.RemoveFileAsync(containerName, fileId, configuration.ClusterName));
}
public override async Task <string> SaveAsync(FileProviderSaveArgs args)
{
var configuration = args.Configuration.GetFastDFSConfiguration();
ConfigurationFactory.AddIfNotContains(configuration);
var containerName = GetContainerName(configuration, args);
var storageNode = await Client.GetStorageNodeAsync(containerName, configuration.ClusterName);
var fileId = await Client.UploadFileAsync(storageNode, args.FileStream, args.FileExt, configuration.ClusterName);
return(fileId);
}
public override async Task <bool> ExistsAsync(FileProviderExistsArgs args)
{
var configuration = args.Configuration.GetFastDFSConfiguration();
ConfigurationFactory.AddIfNotContains(configuration);
var fileId = FileNameCalculator.Calculate(args);
var containerName = GetContainerName(configuration, args);
var storageNode = await Client.GetStorageNodeAsync(containerName, configuration.ClusterName);
var fileInfo = await Client.GetFileInfo(storageNode, fileId, configuration.ClusterName);
return(fileInfo != null);
}
public override Task <string> GetAccessUrlAsync(FileProviderAccessArgs args)
{
if (!args.Configuration.HttpAccess)
{
return(Task.FromResult(string.Empty));
}
var configuration = args.Configuration.GetFastDFSConfiguration();
ConfigurationFactory.AddIfNotContains(configuration);
var fileId = FileNameCalculator.Calculate(args);
var containerName = GetContainerName(configuration, args);
var accessUrl = BuildAccessUrl(configuration, containerName, fileId);
return(Task.FromResult(accessUrl));
}
public override async Task <bool> DownloadAsync(FileProviderDownloadArgs args)
{
var configuration = args.Configuration.GetFastDFSConfiguration();
ConfigurationFactory.AddIfNotContains(configuration);
var fileId = FileNameCalculator.Calculate(args);
var containerName = GetContainerName(configuration, args);
var storageNode = await Client.GetStorageNodeAsync(containerName, configuration.ClusterName);
try
{
await Client.DownloadFileEx(storageNode, fileId, args.Path, configuration.ClusterName);
return(true);
}
catch (Exception ex)
{
Logger.LogException(ex, LogLevel.Error);
return(false);
}
}
public override async Task <Stream> GetOrNullAsync(FileProviderGetArgs args)
{
var configuration = args.Configuration.GetFastDFSConfiguration();
ConfigurationFactory.AddIfNotContains(configuration);
var fileId = FileNameCalculator.Calculate(args);
var containerName = GetContainerName(configuration, args);
var storageNode = await Client.GetStorageNodeAsync(containerName, configuration.ClusterName);
try
{
var content = await Client.DownloadFileAsync(storageNode, fileId, configuration.ClusterName);
return(new MemoryStream(content));
}
catch (Exception ex)
{
Logger.LogException(ex, LogLevel.Error);
return(null);
}
}