/// <summary>
/// 获取单个指定尺寸图片
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public object Post(FSScalePicFileRequest request)
{
int errCode = ImageFileRequestValid(request);
if (errCode != (int)FS_ErrorCode.Request_Success)
return new AsyncFileDownloadResponse
{
ret = errCode,
message = ErrorCodeDic.GetInstance().CodeMessage(errCode),
File_url = null
};
AsyncFileDownloadResponse response = new AsyncFileDownloadResponse();
try
{
IPictureFileService picSvr = new PictureFileService();
response = picSvr.ScalePictureFile(request.file_guid, request.width, request.height);
}
catch(Exception e)
{
string err = string.Format("PictureServiceHost.FSScalePicFileRequest error = {0}, request = {1}", e.ToString(), JsonUtil<FSScalePicFileRequest>.ToJson(request));
LogUtil.Error(err);
}
return response;
}
public AsyncFileDownloadResponse ScalePictureFile(string file_guid, int width, int height)
{
AsyncFileDownloadResponse response = new AsyncFileDownloadResponse();
try
{
string picGuid = string.Format("{0}_{1}_{2}", file_guid, width, height);
string filePath = ScalePictureOperation.GetFileURLFromCache(file_guid, width, height);
if (filePath == null)
{
byte[] bytes = ScalePictureOperation.GetOriginlPicBytes(file_guid);
if (bytes == null)
{
errorCode = (int)FS_ErrorCode.DB_FilePath_Null;
response.ret = errorCode;
response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode);
response.File_url = "";
return response;
}
FSImageEntity imageEntity = null;
using (MemoryStream ms = new MemoryStream())
{
ms.Write(bytes, 0, bytes.Length);
imageEntity = new FSImageEntity(Image.FromStream(ms), width, height);
imageEntity.ConvertSourcePic();
}
FileEntity newEntity = ScalePictureOperation.PostNewPicture(picGuid + ".jpg", imageEntity.JpegBytes);
IFilePicDA fileDA = FSDbFactory.CreatePicWriteFSDB();
fileDA.InsertNewPicFileRelation(newEntity.file_guid, picGuid, StringUtil.GetDateTimeSeconds(DateTime.Now));
filePath = newEntity.file_path;
}
Hashtable nginxService = System.Configuration.ConfigurationManager.GetSection("NginxService") as Hashtable;
string address = nginxService["Address"].ToString();
if (string.IsNullOrEmpty(filePath))
{
errorCode = (int)FS_ErrorCode.DB_FilePath_Null;
}
response.ret = errorCode;
response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode);
response.File_url = address + filePath;
}
catch (Exception ex)
{
LogUtil.Error(string.Format("Exception FSService.Post(FileDownloadRequest): {0}", ex.ToString()));
errorCode = (int)FS_ErrorCode.RequestParam_Err;
response.ret = errorCode;
response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode);
}
return response;
}
/// <summary>
/// 文件通过guid获取存储url地址
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public object Post(AsyncFileDownloadRequest request)
{
AsyncFileDownloadResponse response = new AsyncFileDownloadResponse();
try
{
string guid = request.file_guid;
ICommonFilesService filesvr = new CommonFilesService();
response = filesvr.AsynFileDownload(guid);
}
catch(Exception e)
{
string err = string.Format("CommonFileServiceHost.AsyncFileDownloadRequest error = {0}, request = {1}", e.ToString(), JsonUtil<AsyncFileDownloadRequest>.ToJson(request));
LogUtil.Error(err);
}
return response;
}
public AsyncFileDownloadResponse AsynFileDownload(string file_guid)
{
if (string.IsNullOrEmpty(file_guid))
{
errorCode = (int)FS_ErrorCode.RequestParam_Err;
return new AsyncFileDownloadResponse
{
ret = errorCode,
message = ErrorCodeDic.GetInstance().CodeMessage(errorCode),
File_url = ""
};
}
AsyncFileDownloadResponse response = new AsyncFileDownloadResponse();
try
{
// 根据FileGuid 查询FilePath
ICommonFileRedis Ra = CommonFileRedisFactory.CreateWriteFilesRedis();
string filePath = Ra.GetURLByGuid(file_guid);
if (filePath == null)
{
FileEntity entity = fileDA_R.GetFileEntityByGuid(file_guid);
if (entity == null)
{
errorCode = (int)FS_ErrorCode.DB_FilePath_Null;
response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode);
return response;
}
filePath = entity.file_path;
ICommonFileRedis RaW = CommonFileRedisFactory.CreateWriteFilesRedis();
RaW.SetCommonFileGuidUrl(file_guid, filePath);
}
Hashtable nginxService = System.Configuration.ConfigurationManager.GetSection("NginxService") as Hashtable;
string address = nginxService["Address"].ToString();
if (string.IsNullOrEmpty(filePath))
{
errorCode = (int)FS_ErrorCode.DB_FilePath_Null;
}
response.ret = errorCode;
response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode);
response.File_url = address + filePath;
LogUtil.Info(string.Format("CommonFilesService.AsynFileDownload {0}",JsonUtil<AsyncFileDownloadResponse>.ToJson(response)));
}
catch (Exception ex)
{
LogUtil.Error(string.Format("Exception FSService.Post(FileDownloadRequest): {0}", ex.ToString()));
errorCode = (int)FS_ErrorCode.RequestParam_Err;
response.ret = errorCode;
response.message = ErrorCodeDic.GetInstance().CodeMessage(errorCode);
}
return response;
}
