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);
}