overleaf/server-ce/hotfix/4.0.3/pr_13574.patch

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--- services/project-history/app/js/UpdateTranslator.js
+++ services/project-history/app/js/UpdateTranslator.js
@@ -73,9 +73,18 @@ function _convertToChange(projectId, updateWithBlob) {
throw error
}
+ let v2Authors
+ if (update.meta.user_id === 'anonymous-user') {
+ // history-v1 uses null to represent an anonymous author
+ v2Authors = [null]
+ } else {
+ // user_id is missing on resync operations that update the contents of a doc
+ v2Authors = _.compact([update.meta.user_id])
+ }
+
const rawChange = {
operations,
- v2Authors: _.compact([update.meta.user_id]),
+ v2Authors,
timestamp: new Date(update.meta.ts).toISOString(),
projectVersion,
v2DocVersions: Object.keys(v2DocVersions).length ? v2DocVersions : null,