public DistributedFileInfo CreateOrUpdateFile(string filePath, Stream stream)
{
var segments = filePath.Split('/', '\\').Where(m => !string.IsNullOrEmpty(m)).ToArray();
var key = string.Join("/", "FilePath:" + this.tenant.Site.Id, segments);
using (ConnectionMultiplexer connection = ConnectionMultiplexer.Connect(this.redisConfig.GetValue <string>("RedisConfiguration", "localhost")))
{
var db = connection.GetDatabase();
if (!db.KeyExists(key))
{
//如果文件没有映射，创建目录结构
CreateDirectory(key, db);
}
//保存文件得到文件元数据
var template = new OperationsTemplate(master);
var result = template.SaveFileByStream(segments.Last(), stream).Result;
DistributedFileInfo fileInfo = new DistributedFileInfo()
{
IsDirectory = false,
Length = result.Size,
LastModified = DateTimeOffset.FromUnixTimeSeconds(result.LastModified),
Name = result.Name,
FileId = result.FileId,
ContentType = result.ContentType,
Url = template.GetFileUrl(result.FileId).Result,
};
var value = JsonConvert.SerializeObject(fileInfo);
db.StringSet(key, value);
return(fileInfo);
}
}
public DistributedFileStream GetFileStream(string filePath)
{
var segments = filePath.Split('/', '\\').Where(m => !string.IsNullOrEmpty(m)).ToArray();
var key = string.Join("/", "FilePath:" + this.tenant.Site.Id, segments);
using (ConnectionMultiplexer connection = ConnectionMultiplexer.Connect(this.redisConfig.GetValue <string>("RedisConfiguration", "localhost")))
{
var db = connection.GetDatabase();
var fileInfo = db.StringGet(key);
if (fileInfo.HasValue)
{
var file = JsonConvert.DeserializeObject <DistributedFileInfo>(fileInfo);
var template = new OperationsTemplate(master);
return(new DistributedFileStream()
{
Info = file, Stream = template.GetFileStream(file.FileId).Result
});
}
return(null);
}
}
