public async Task <SystemException> PutFiles(MultipartMemoryStreamProvider inFileStream, long inArticleId)
{
return(await Task.Run(
async() =>
{
try
{
foreach (HttpContent fileInfo in inFileStream.Contents)
{
BlogArticleFile fileData = new BlogArticleFile()
{
ArticleId = inArticleId,
FileName = fileInfo.Headers.ContentDisposition.FileName.Replace("\"", string.Empty),
FileType = fileInfo.Headers.ContentType.MediaType,
FileContent = await fileInfo.ReadAsByteArrayAsync()
};
_blogDBContext.BlogArticleFiles.Add(fileData);
_blogDBContext.SaveChanges();
}
}
catch (SystemException error)
{
return error;
}
return null;
}));
}
public async Task <SystemException> DeleteFile(string inFileName, long inArticleId)
#endif
{
return(await Task.Run(
() =>
{
try
{
#if FILES_TO_FILESYSTEM
File.Delete(inBasePath + $"\\{inArticleId}\\" + inFileName);
#else
BlogArticleFile oldEntity = _blogDBContext.
BlogArticleFiles.
SingleOrDefault(record =>
record.ArticleId == inArticleId &&
record.FileName == inFileName);
_blogDBContext.BlogArticleFiles.Remove(oldEntity);
_blogDBContext.SaveChanges();
#endif
}
catch (SystemException error)
{
return error;
}
return null;
}));
}
public async Task <HttpResponseMessage> DownloadFile(long inArticleId, string inFileName)
{
try
{
#if FILES_TO_FILESYSTEM
BlogArticleFile fileEntitie = await _fileService.ExtractFile(inArticleId,
inFileName,
HttpContext.
Current.
Server.
MapPath("~/Files"));
#else
BlogArticleFile fileEntitie = await _fileService.ExtractFile(inArticleId, inFileName);
#endif
HttpResponseMessage response = new HttpResponseMessage(HttpStatusCode.OK)
{
Content = new ByteArrayContent(fileEntitie.FileContent)
};
response.Content.Headers.ContentType = new MediaTypeHeaderValue(fileEntitie.FileType);
response.Content.Headers.ContentDisposition = new ContentDispositionHeaderValue("attachment")
{
FileName = fileEntitie.FileName
};
return(response);
}
catch (System.SystemException error)
{
throw new HttpResponseException
(
Request.
CreateResponse
(
HttpStatusCode.InternalServerError,
error.Message
)
);
}
}
