private void ComputeDeltaPerRecord(
OAdEntity aRecord)
{
OAdEntityDef aEntityDef = CQWrapper.GetEntityDef(m_userSession, CQWrapper.GetEntityDefName(aRecord));
string recordDispName = CQWrapper.GetEntityDisplayName(aRecord);
string recordEntDefName = CQWrapper.GetEntityDefName(aRecord);
#region process history
bool recordContentIsModified = false;
bool maybeNewRecord = false;
Dictionary <string, List <ClearQuestRecordItem> > historyDelta = new Dictionary <string, List <ClearQuestRecordItem> >();
Dictionary <string, int> perHistoryFieldLastIndex = new Dictionary <string, int>(); // needed for updating processed delta
// find all history fields
OAdHistoryFields aHistFields = CQWrapper.GetHistoryFields(aRecord);
int historyFldCount = CQWrapper.HistoryFieldsCount(aHistFields);
bool containsNewHistory = false;
for (int histFldIndex = 0; histFldIndex < historyFldCount; histFldIndex++)
{
object ob = (object)histFldIndex;
OAdHistoryField aHistoryField = CQWrapper.HistoryFieldsItem(aHistFields, ref ob);
string historyFieldName = CQWrapper.GetHistoryFieldName(aHistoryField);
// find last processed history entry for this history field
string lookupItemId = CQDeltaComputationProgressLookupService.CreateHistoryItemId(recordEntDefName, recordDispName, historyFieldName);
int startHistIndex = 1 + DeltaComputeProgressService.GetLastProcessedItemVersion(lookupItemId);
// find all history in a particular history field
int historyCount = CQWrapper.HistoryFieldHistoriesCount(aHistoryField);
for (int histIndex = startHistIndex; histIndex < historyCount; histIndex++)
{
object obHistIndex = (object)histIndex;
OAdHistory aHistory = CQWrapper.HistoryFieldHistoriesItem(aHistoryField, ref obHistIndex);
CQHistory cqHistory = new CQHistory(aHistory);
CQMigrationItem migrationItem = new CQHistoryMigrationItem(recordDispName, historyFieldName, histIndex);
if (TranslationService.IsSyncGeneratedItemVersion(ClearQuestRecordItem.GetMigrationRecordId(recordEntDefName, recordDispName),
migrationItem.MigrationItemVersion,
m_configurationService.SourceId))
{
continue;
}
if (histIndex == 0)
{
maybeNewRecord = true;
}
// add unprocessed history fields for processing
if (!historyDelta.ContainsKey(historyFieldName))
{
historyDelta.Add(historyFieldName, new List <ClearQuestRecordItem>(historyCount));
}
historyDelta[aHistoryField.fieldname].Add(new ClearQuestRecordItem(aRecord, aHistory, historyFieldName, histIndex.ToString()));
containsNewHistory = true;
// based on action type, we decide whether content change is needed
int actionType = CQWrapper.GetActionDefType(aEntityDef, cqHistory.Action);
switch (actionType)
{
case CQConstants.ACTION_SUBMIT:
break;
case CQConstants.ACTION_MODIFY:
recordContentIsModified = true;
break;
case CQConstants.ACTION_CHANGE:
break;
case CQConstants.ACTION_DUPLICATE:
break;
case CQConstants.ACTION_UNDUPLICATE:
break;
case CQConstants.ACTION_IMPORT:
break;
case CQConstants.ACTION_DELETE:
TraceManager.TraceInformation(ClearQuestResource.ClearQuest_Msg_RecordDeleted, recordEntDefName, recordDispName);
break;
case CQConstants.ACTION_BASE:
break;
case CQConstants.ACTION_RECORD_SCRIPT_ALIAS:
break;
}
}
perHistoryFieldLastIndex.Add(historyFieldName, historyCount - 1);
}
#endregion
#region generate delta for content and history
if (maybeNewRecord || recordContentIsModified)
{
// the first revision, i.e. "Submit", of a CQ record is always hard-coded to be '1'
CQMigrationItem contentMigrationAction = new CQMigrationItem(recordDispName, ClearQuestRecordItem.NewRecordVersion);
bool isNewRecord = false;
if (maybeNewRecord)
{
isNewRecord = !(DeltaComputeProgressService.IsMigrationItemProcessed(recordDispName, ClearQuestRecordItem.NewRecordVersionValue));
}
if (!isNewRecord)
{
// all subsequent record "MODIFICATIONs" are hard-coded to be "update@<Now.Ticks>"
contentMigrationAction.MigrationItemVersion = ClearQuestRecordItem.RecordUpdateVersion + "@" + DateTime.Now.Ticks;
}
ClearQuestRecordItem recordContentItem = new ClearQuestRecordItem(aRecord, contentMigrationAction.MigrationItemVersion);
recordContentItem.CQSession = m_userSession;
recordContentItem.Version = contentMigrationAction.MigrationItemVersion;
ChangeGroup contentChangeGroup = recordContentItem.CreateChangeGroup(
m_changeGroupService, m_migrationContext, isNewRecord && m_isLastRevisionAutoCorrectionEnabled);
contentChangeGroup.Save();
if (isNewRecord && !containsNewHistory)
{
DeltaComputeProgressService.UpdateCache(recordDispName, ClearQuestRecordItem.NewRecordVersionValue);
}
}
var lastHistoryRecordItem = historyDelta[historyDelta.Keys.Last()].Last();
foreach (string histFieldName in historyDelta.Keys)
{
foreach (ClearQuestRecordItem recordHistItem in historyDelta[histFieldName])
{
recordHistItem.CQSession = m_userSession;
ChangeGroup changeGroup = recordHistItem.CreateChangeGroup(
m_changeGroupService,
m_migrationContext,
(CQStringComparer.FieldName.Equals(recordHistItem.HistoryFieldName, lastHistoryRecordItem.HistoryFieldName) &&
recordHistItem.Version.Equals(lastHistoryRecordItem.Version, StringComparison.OrdinalIgnoreCase) &&
m_isLastRevisionAutoCorrectionEnabled));
changeGroup.Save();
}
Debug.Assert(perHistoryFieldLastIndex.ContainsKey(histFieldName), "perHistoryFieldLastIndex.ContainsKey(histFieldName) returns false");
string deltaComputeProcessLookupId = CQDeltaComputationProgressLookupService.CreateHistoryItemId(recordEntDefName, recordDispName, histFieldName);
DeltaComputeProgressService.UpdateCache(deltaComputeProcessLookupId, perHistoryFieldLastIndex[histFieldName]);
}
#endregion
#region process attachment
OAdAttachmentFields aAttachmentFields = CQWrapper.GetAttachmentFields(aRecord);
for (int aAttachmentFieldsIndex = 0;
aAttachmentFieldsIndex < CQWrapper.AttachmentsFieldsCount(aAttachmentFields);
aAttachmentFieldsIndex++)
{
object ob = (object)aAttachmentFieldsIndex;
OAdAttachmentField aAttachmentField = CQWrapper.AttachmentsFieldsItem(aAttachmentFields, ref ob);
string fieldName = CQWrapper.GetAttachmentFieldName(aAttachmentField);
ChangeGroup changeGroup = m_changeGroupService.CreateChangeGroupForDeltaTable(
string.Format("{0}:{1}:{2}", recordDispName, "Attachments", fieldName));
// process all attachments
OAdAttachments attachments = CQWrapper.GetAttachments(aAttachmentField);
for (int attachmentIndex = 0;
attachmentIndex < CQWrapper.AttachmentsCount(attachments);
attachmentIndex++)
{
object obIndex = (object)attachmentIndex;
OAdAttachment aAttachment = CQWrapper.AttachmentsItem(attachments, ref obIndex);
ClearQuestAttachmentItem attachmentItem = new ClearQuestAttachmentItem(aRecord, aAttachmentField, aAttachment, UserSessionConnConfig);
attachmentItem.CQSession = m_userSession;
attachmentItem.CreateChangeAction(changeGroup, lastHistoryRecordItem.Version);
}
if (changeGroup.Actions.Count > 0)
{
changeGroup.Save();
}
}
#endregion
}
public void Download(string localPath)
{
byte[] metadataHash = HashAttachmentMetadata(Name, Comment, DisplayName, Length);
if (null == CQSession)
{
throw new InvalidOperationException("CQSession == NULL");
}
// [teyang] TODO: validation on localPath
if (File.Exists(localPath))
{
File.Delete(localPath);
}
OAdEntity aRecord = CQWrapper.GetEntity(CQSession, EntityDefName, EntityDispName);
OAdAttachmentFields aAllAttFields = CQWrapper.GetAttachmentFields(aRecord);
bool attachmentFound = false;
for (int attFieldsIndex = 0;
attFieldsIndex < CQWrapper.AttachmentsFieldsCount(aAllAttFields);
attFieldsIndex++)
{
object ob = (object)attFieldsIndex;
OAdAttachmentField aAttField = CQWrapper.AttachmentsFieldsItem(aAllAttFields, ref ob);
string fieldName = CQWrapper.GetAttachmentFieldName(aAttField);
if (!CQStringComparer.FieldName.Equals(fieldName, this.FieldName))
{
// not the hosting attachment field, try next one
continue;
}
// attachment field is found, now look for the attachment
OAdAttachments aAttachments = CQWrapper.GetAttachments(aAttField);
OAdAttachment aAttachment = null;
for (int attachmentIndex = 0;
attachmentIndex < CQWrapper.AttachmentsCount(aAttachments);
attachmentIndex++)
{
object obIndex = (object)attachmentIndex;
aAttachment = CQWrapper.AttachmentsItem(aAttachments, ref obIndex);
string name;
string comment;
string dispName;
int fileSize;
CQWrapper.GetAttachmentMetadata(aAttachment, out name, out comment, out dispName, out fileSize);
byte[] hash = HashAttachmentMetadata(name, comment, dispName, (long)fileSize);
if (HashProducer.CompareMD5(metadataHash, hash) == 0)
{
attachmentFound = true;
break;
}
}
if (attachmentFound)
{
Debug.Assert(null != aAttachment, "null == aAttachment");
CQWrapper.LoadAttachment(aAttachment, localPath);
}
// we've checked the host att field already, no need to proceed
break;
}
if (!attachmentFound)
{
// [teyang] TODO: typed exception, AttachmentNotFound conflict handling
throw new Exception(string.Format("attachment '{0}' is not found", Name));
}
}