public static bool GetProcessedFileNode( WebServiceBaseTimeoutable _Request, ENodeType _FileType, IBDatabaseServiceInterface _DatabaseService, IBFileServiceInterface _FileService, string _CadFileStorageBucketName, string _ModelID, int _RevisionIndex, bool _bRootNodeRequested, ulong _NodeID, out BWebServiceResponse _SuccessResponse, out BWebServiceResponse _FailureResponse, Action <string> _ErrorMessageAction = null) { _SuccessResponse = BWebResponse.InternalError(""); uint StartIndex = 0, Size = 0; if (!_bRootNodeRequested) { Convert.UniqueIDToStartIndexAndSize(_NodeID, out StartIndex, out Size); if (StartIndex == 0 || Size == 0) { _FailureResponse = BWebResponse.BadRequest("Invalid Node ID."); return(false); } } if (!Controller_AtomicDBOperation.Get().GetClearanceForDBOperation(_Request.InnerProcessor, ModelDBEntry.DBSERVICE_MODELS_TABLE(), _ModelID, _ErrorMessageAction)) { _FailureResponse = BWebResponse.InternalError("Atomic operation control has failed."); return(false); } var bResult = GetProcessedFileNode_Internal( _FileType, _DatabaseService, _FileService, _CadFileStorageBucketName, _ModelID, _RevisionIndex, _bRootNodeRequested, StartIndex, Size, out _SuccessResponse, out _FailureResponse, _ErrorMessageAction); Controller_AtomicDBOperation.Get().SetClearanceForDBOperationForOthers(_Request.InnerProcessor, ModelDBEntry.DBSERVICE_MODELS_TABLE(), _ModelID, _ErrorMessageAction); return(bResult); }
private static bool GetProcessedFileNode_Internal( ENodeType _FileType, IBDatabaseServiceInterface _DatabaseService, IBFileServiceInterface _FileService, string _CadFileStorageBucketName, string _ModelID, int _RevisionIndex, bool _bRootNodeRequested, uint _NodeStartIndex, uint _NodeSize, out BWebServiceResponse _SuccessResponse, out BWebServiceResponse _FailureResponse, Action <string> _ErrorMessageAction = null) { _SuccessResponse = BWebResponse.InternalError(""); if (!TryGettingAllInfo( _DatabaseService, _ModelID, _RevisionIndex, out ModelDBEntry ModelObject, out Revision RevisionObject, out int _, out _FailureResponse, _ErrorMessageAction)) { return(false); } if (RevisionObject.FileEntry.FileProcessStage != (int)Constants.EProcessStage.Uploaded_Processed) { _FailureResponse = BWebResponse.NotFound("Raw file has not been processed yet."); return(false); } if (_bRootNodeRequested) { Convert.UniqueIDToStartIndexAndSize(RevisionObject.FileEntry.ProcessedFilesRootNodeID, out _NodeStartIndex, out _NodeSize); if (_NodeStartIndex == 0 || _NodeSize == 0) { _FailureResponse = BWebResponse.InternalError("Invalid Root Node ID."); return(false); } } string RelativeFileUrl = null; switch (_FileType) { case ENodeType.Hierarchy: RelativeFileUrl = RevisionObject.FileEntry.HierarchyRAFRelativeUrl; break; case ENodeType.Geometry: RelativeFileUrl = RevisionObject.FileEntry.GeometryRAFRelativeUrl; break; case ENodeType.Metadata: RelativeFileUrl = RevisionObject.FileEntry.MetadataRAFRelativeUrl; break; } Node RetrievedNode; var Buffer = new byte[_NodeSize]; try { using (var MemStream = new MemoryStream((int)_NodeStartIndex)) { var Destination = new BStringOrStream(MemStream, _NodeSize); if (!_FileService.DownloadFile(_CadFileStorageBucketName, RelativeFileUrl, Destination, _ErrorMessageAction, _NodeStartIndex, _NodeSize)) { _ErrorMessageAction?.Invoke("DownloadFile has failed in GetProcessedFileNode_Internal. ModelID: " + _ModelID + ", RevisionIndex: " + _RevisionIndex + ", NodeStartIndex: " + _NodeStartIndex + ", NodeSize: " + _NodeSize); _FailureResponse = BWebResponse.NotFound("Given Node ID does not exist."); return(false); } MemStream.Seek(0, SeekOrigin.Begin); if (MemStream.Read(Buffer, 0, (int)_NodeSize) < (int)_NodeSize) { _FailureResponse = BWebResponse.InternalError("Stream read operation has failed."); return(false); } Convert.BufferToNode(out RetrievedNode, _FileType, Buffer, 0); } } catch (Exception e) { _ErrorMessageAction?.Invoke("File random access/stream operations have failed. ModelID: " + _ModelID + ", RevisionIndex: " + _RevisionIndex + ", NodeStartIndex: " + _NodeStartIndex + ", NodeSize: " + _NodeSize + ", Message: " + e.Message + ", Trace: " + e.StackTrace); _FailureResponse = BWebResponse.NotFound("Given Node ID does not exist."); return(false); } if (RetrievedNode == null) { _FailureResponse = BWebResponse.InternalError("File node parse operation has failed."); return(false); } _SuccessResponse = BWebResponse.StatusOK("Node has been located.", new JObject() { ["node"] = JObject.Parse(JsonConvert.SerializeObject(RetrievedNode)) }); return(true); }