public async Task <CdnDownloadResult> MongoCdn_Download(string fileId, CdnFileSelect.PostProcess postProcess = CdnFileSelect.PostProcess.None)
{
return(await MongoCdn_Download(new CdnFileSelect()
{
FileId = fileId
}, postProcess));
}
public async Task <CdnDownloadResult> MongoCdn_Download(long mongoFileId, CdnFileSelect.PostProcess postProcess = CdnFileSelect.PostProcess.None)
{
int _id = (int)mongoFileId;
string fileId = repo.AllReadonly <MongoFile>().Where(x => x.Id == _id).Select(x => x.FileId).FirstOrDefault();
return(await MongoCdn_Download(fileId, postProcess));
}
private async Task <CdnDownloadResult> GetFileById(CdnItemVM fileItem, CdnFileSelect.PostProcess postProcess = CdnFileSelect.PostProcess.None)
{
using (var file = await gridFsBucket.OpenDownloadStreamAsync(ObjectId.Parse(fileItem.FileId)))
{
byte[] fileContent = new byte[(int)file.Length];
file.Read(fileContent, 0, (int)file.Length);
byte[] newContent = fileContent;
if (fileItem.FileName.EndsWith(".pdf", StringComparison.InvariantCultureIgnoreCase))
{
try
{
switch (postProcess)
{
case CdnFileSelect.PostProcess.Flatten:
{
string addText = "";
int[] actSourceTypes = { SourceTypeSelectVM.CaseSessionActPdf, SourceTypeSelectVM.CaseSessionActDepersonalized };
if (actSourceTypes.Contains(fileItem.SourceType))
{
int actId = int.Parse(fileItem.SourceId);
var actModel = repo.AllReadonly <CaseSessionAct>().Where(x => x.Id == actId).FirstOrDefault();
if (actModel != null)
{
if (actModel.ActDeclaredDate != null)
{
addText = $" Актът е постановен на {actModel.ActDeclaredDate:dd.MM.yyyy}";
}
}
}
newContent = flattenSignatures(fileContent, addText);
}
break;
}
}
catch { }
}
CdnDownloadResult result = new CdnDownloadResult()
{
FileId = fileItem.FileId,
ContentType = file.FileInfo.Metadata.GetValue("contentType").AsString,
FileName = file.FileInfo.Filename,
FileContentBase64 = Convert.ToBase64String(newContent)
};
await file.CloseAsync();
return(result);
}
}
public async Task <CdnDownloadResult> MongoCdn_Download(CdnFileSelect request, CdnFileSelect.PostProcess postProcess = CdnFileSelect.PostProcess.None)
{
string fileId = request.FileId;
string title = String.Empty;
var fileItem = Select(request.SourceType, request.SourceId, request.FileId).FirstOrDefault();
if (fileItem == null)
{
return(null);
}
title = fileItem.Title;
CdnDownloadResult downloadInfo = await GetFileById(fileItem, postProcess);
downloadInfo.FileTitle = title;
return(downloadInfo);
}
