public void TestMakeRevisionHistoryDict()
{
var revs = new List <RevisionID>();
revs.Add("4-jkl".AsRevID());
revs.Add("3-ghi".AsRevID());
revs.Add("2-def".AsRevID());
var expectedSuffixes = new List <string>();
expectedSuffixes.Add("jkl");
expectedSuffixes.Add("ghi");
expectedSuffixes.Add("def");
var expectedHistoryDict = new Dictionary <string, object>();
expectedHistoryDict["start"] = 4;
expectedHistoryDict["ids"] = expectedSuffixes;
var historyDict = TreeRevisionID.MakeRevisionHistoryDict(revs);
Assert.AreEqual(expectedHistoryDict, historyDict);
revs = new List <RevisionID>();
revs.Add("4-jkl".AsRevID());
revs.Add("2-def".AsRevID());
expectedSuffixes = new List <string>();
expectedSuffixes.Add("4-jkl");
expectedSuffixes.Add("2-def");
expectedHistoryDict = new Dictionary <string, object>();
expectedHistoryDict["ids"] = expectedSuffixes;
historyDict = TreeRevisionID.MakeRevisionHistoryDict(revs);
Assert.AreEqual(expectedHistoryDict, historyDict);
revs = new List <RevisionID>();
revs.Add("12345".AsRevID());
revs.Add("6789".AsRevID());
expectedSuffixes = new List <string>();
expectedSuffixes.Add("12345");
expectedSuffixes.Add("6789");
expectedHistoryDict = new Dictionary <string, object>();
expectedHistoryDict["ids"] = expectedSuffixes;
historyDict = TreeRevisionID.MakeRevisionHistoryDict(revs);
Assert.AreEqual(expectedHistoryDict, historyDict);
}
// Apply the options in the URL query to the specified revision and create a new revision object
internal static RevisionInternal ApplyOptions(DocumentContentOptions options, RevisionInternal rev, ICouchbaseListenerContext context,
Database db, Status outStatus)
{
if ((options & (DocumentContentOptions.IncludeRevs | DocumentContentOptions.IncludeRevsInfo | DocumentContentOptions.IncludeConflicts |
DocumentContentOptions.IncludeAttachments | DocumentContentOptions.IncludeLocalSeq)
| DocumentContentOptions.IncludeExpiration) != 0)
{
var dst = rev.GetProperties() ?? new Dictionary <string, object>();
if (options.HasFlag(DocumentContentOptions.IncludeLocalSeq))
{
dst["_local_seq"] = rev.Sequence;
}
if (options.HasFlag(DocumentContentOptions.IncludeRevs))
{
var revs = db.GetRevisionHistory(rev, null);
dst["_revisions"] = TreeRevisionID.MakeRevisionHistoryDict(revs);
}
if (options.HasFlag(DocumentContentOptions.IncludeRevsInfo))
{
dst["_revs_info"] = db.GetRevisionHistory(rev, null).Select(x =>
{
string status = "available";
var ancestor = db.GetDocument(rev.DocID, x, true);
if (ancestor.Deleted)
{
status = "deleted";
}
else if (ancestor.Missing)
{
status = "missing";
}
return(new Dictionary <string, object> {
{ "rev", x.ToString() },
{ "status", status }
});
});
}
if (options.HasFlag(DocumentContentOptions.IncludeConflicts))
{
RevisionList revs = db.Storage.GetAllDocumentRevisions(rev.DocID, true, false);
if (revs.Count > 1)
{
dst["_conflicts"] = from r in revs
where !r.Equals(rev) && !r.Deleted
select r.RevID.ToString();
}
}
if (options.HasFlag(DocumentContentOptions.IncludeExpiration))
{
var expirationTime = db.Storage?.GetDocumentExpiration(rev.DocID);
if (expirationTime.HasValue)
{
dst["_exp"] = expirationTime;
}
}
RevisionInternal nuRev = new RevisionInternal(dst);
if (options.HasFlag(DocumentContentOptions.IncludeAttachments))
{
bool attEncodingInfo = context != null && context.GetQueryParam <bool>("att_encoding_info", bool.TryParse, false);
db.ExpandAttachments(nuRev, 0, false, !attEncodingInfo);
}
rev = nuRev;
}
return(rev);
}
private void UploadChanges(IList <RevisionInternal> changes, IDictionary <string, object> revsDiffResults)
{
// Go through the list of local changes again, selecting the ones the destination server
// said were missing and mapping them to a JSON dictionary in the form _bulk_docs wants:
var docsToSend = new List <object> ();
var revsToSend = new RevisionList();
IDictionary <string, object> revResults = null;
foreach (var rev in changes)
{
// Is this revision in the server's 'missing' list?
if (revsDiffResults != null)
{
revResults = revsDiffResults.Get(rev.DocID).AsDictionary <string, object>();
if (revResults == null)
{
continue;
}
var revs = revResults.Get("missing").AsList <string>();
if (revs == null || !revs.Any(id => id.Equals(rev.RevID.ToString())))
{
RemovePending(rev);
continue;
}
}
IDictionary <string, object> properties = null;
RevisionInternal loadedRev;
try {
loadedRev = LocalDatabase.LoadRevisionBody(rev);
if (loadedRev == null)
{
throw Misc.CreateExceptionAndLog(Log.To.Sync, StatusCode.NotFound, TAG,
"Unable to load revision body");
}
properties = new Dictionary <string, object>(rev.GetProperties());
} catch (Exception e1) {
Log.To.Sync.E(TAG, String.Format("Couldn't get local contents of {0}, marking revision failed",
rev), e1);
RevisionFailed();
continue;
}
var populatedRev = TransformRevision(loadedRev);
IList <RevisionID> possibleAncestors = null;
if (revResults != null && revResults.ContainsKey("possible_ancestors"))
{
possibleAncestors = revResults["possible_ancestors"].AsList <RevisionID>();
}
properties = new Dictionary <string, object>(populatedRev.GetProperties());
try {
var history = LocalDatabase.GetRevisionHistory(populatedRev, possibleAncestors);
if (history == null)
{
throw Misc.CreateExceptionAndLog(Log.To.Sync, StatusCode.DbError, TAG,
"Unable to load revision history");
}
properties["_revisions"] = TreeRevisionID.MakeRevisionHistoryDict(history);
} catch (Exception e1) {
Log.To.Sync.E(TAG, "Error getting revision history, marking revision failed", e1);
RevisionFailed();
continue;
}
populatedRev.SetProperties(properties);
if (properties.GetCast <bool>("_removed"))
{
RemovePending(rev);
continue;
}
// Strip any attachments already known to the target db:
if (properties.ContainsKey("_attachments"))
{
// Look for the latest common ancestor and stuf out older attachments:
var minRevPos = FindCommonAncestor(populatedRev, possibleAncestors);
try {
LocalDatabase.ExpandAttachments(populatedRev, minRevPos + 1, !_dontSendMultipart, false);
} catch (Exception ex) {
Log.To.Sync.E(TAG, "Error expanding attachments, marking revision failed", ex);
RevisionFailed();
continue;
}
properties = populatedRev.GetProperties();
if (!_dontSendMultipart && UploadMultipartRevision(populatedRev))
{
continue;
}
}
if (properties == null || !properties.ContainsKey("_id"))
{
throw Misc.CreateExceptionAndLog(Log.To.Sync, StatusCode.BadParam, TAG,
"properties must contain a document _id");
}
// Add the _revisions list:
revsToSend.Add(rev);
//now add it to the docs to send
docsToSend.Add(properties);
}
UploadBulkDocs(docsToSend, revsToSend);
}
