public RevisionInternal PutLocalRevision(RevisionInternal revision, RevisionID prevRevId, bool obeyMVCC)
{
var docId = revision.DocID;
if(!docId.StartsWith("_local/")) {
throw Misc.CreateExceptionAndLog(Log.To.Database, StatusCode.BadId, TAG,
"Invalid document ID ({0}) in write operation, it must start with _local/",
new SecureLogString(docId, LogMessageSensitivity.PotentiallyInsecure));
}
if(revision.Deleted) {
DeleteLocalRevision(docId, prevRevId, obeyMVCC);
return revision;
}
var result = default(RevisionInternal);
RunInTransaction(() =>
{
var json = Manager.GetObjectMapper().WriteValueAsString(revision.GetProperties(), true);
WithC4Raw(docId, "_local", doc =>
{
var generation = prevRevId == null ? 0 : prevRevId.Generation;
if(obeyMVCC) {
var currentRevId = (doc != null ? doc->meta.AsRevID() : null);
if(prevRevId != null) {
if(prevRevId != currentRevId) {
throw Misc.CreateExceptionAndLog(Log.To.Database, StatusCode.Conflict, TAG,
"Attempt to write new revision on {0} of {1} when a newer revision ({2}) exists",
prevRevId, new SecureLogString(docId, LogMessageSensitivity.PotentiallyInsecure),
currentRevId);
}
if(generation == 0) {
throw Misc.CreateExceptionAndLog(Log.To.Database, StatusCode.BadId, TAG,
"Attempt to write new revision on invalid revision ID ({0}) for document {1}",
prevRevId, new SecureLogString(docId, LogMessageSensitivity.PotentiallyInsecure));
}
} else if(doc != null) {
throw Misc.CreateExceptionAndLog(Log.To.Database, StatusCode.Conflict, TAG,
"Revision ID not specified, but document {0} already exists (current rev: {1})",
new SecureLogString(docId, LogMessageSensitivity.PotentiallyInsecure), currentRevId);
}
}
var newRevId = String.Format("{0}-local", ++generation).AsRevID();
ForestDBBridge.Check(err => Native.c4raw_put(Forest, "_local", docId, newRevId.ToString(), json, err));
result = revision.Copy(docId, newRevId);
});
return true;
});
return result;
}
// Uploads the revision as JSON instead of multipart.
private void UploadJsonRevision(RevisionInternal originalRev)
{
// Expand all attachments inline:
var rev = originalRev.Copy(originalRev.DocID, originalRev.RevID);
try {
LocalDatabase.ExpandAttachments(rev, 0, false, false);
} catch(Exception e) {
LastError = e;
RevisionFailed();
return;
}
var path = string.Format("/{0}?new_edits=false", Uri.EscapeUriString(rev.DocID));
_remoteSession.SendAsyncRequest(HttpMethod.Put, path, rev.GetProperties(), (result, e) =>
{
if (e != null)
{
LastError = e;
RevisionFailed();
}
else
{
Log.To.Sync.V(TAG, "{0} sent {1} (JSON), response={2}", this, rev, new LogJsonString(result));
SafeIncrementCompletedChangesCount();
RemovePending (rev);
}
});
}
// This is used by the listener
internal RevisionInternal RevisionByLoadingBody(RevisionInternal rev, Status outStatus)
{
// First check for no-op -- if we just need the default properties and already have them:
if(rev.Sequence != 0) {
var props = rev.GetProperties();
if(props != null && props.ContainsKey("_rev") && props.ContainsKey("_id")) {
if(outStatus != null) {
outStatus.Code = StatusCode.Ok;
}
return rev;
}
}
RevisionInternal nuRev = rev.Copy(rev.DocID, rev.RevID);
try {
LoadRevisionBody(nuRev);
} catch(CouchbaseLiteException e) {
if(outStatus != null) {
outStatus.Code = e.CBLStatus.Code;
}
nuRev = null;
}
return nuRev;
}
