overleaf/services/document-updater/app/js/SnapshotManager.js

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/* eslint-disable
no-return-assign,
*/
// TODO: This file was created by bulk-decaffeinate.
// Fix any style issues and re-enable lint.
/*
* decaffeinate suggestions:
* DS101: Remove unnecessary use of Array.from
* DS102: Remove unnecessary code created because of implicit returns
* DS207: Consider shorter variations of null checks
* Full docs: https://github.com/decaffeinate/decaffeinate/blob/master/docs/suggestions.md
*/
let SnapshotManager
const { db, ObjectId } = require('./mongodb')
module.exports = SnapshotManager = {
recordSnapshot(projectId, docId, version, pathname, lines, ranges, callback) {
try {
projectId = new ObjectId(projectId)
docId = new ObjectId(docId)
} catch (error) {
return callback(error)
}
db.docSnapshots.insertOne(
{
project_id: projectId,
doc_id: docId,
version,
lines,
pathname,
ranges: SnapshotManager.jsonRangesToMongo(ranges),
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ts: new Date(),
},
callback
)
},
// Suggested indexes:
// db.docSnapshots.createIndex({project_id:1, doc_id:1})
// db.docSnapshots.createIndex({ts:1},{expiresAfterSeconds: 30*24*3600)) # expires after 30 days
jsonRangesToMongo(ranges) {
if (ranges == null) {
return null
}
const updateMetadata = function (metadata) {
if ((metadata != null ? metadata.ts : undefined) != null) {
metadata.ts = new Date(metadata.ts)
}
if ((metadata != null ? metadata.user_id : undefined) != null) {
return (metadata.user_id = SnapshotManager._safeObjectId(
metadata.user_id
))
}
}
for (const change of Array.from(ranges.changes || [])) {
change.id = SnapshotManager._safeObjectId(change.id)
updateMetadata(change.metadata)
}
for (const comment of Array.from(ranges.comments || [])) {
comment.id = SnapshotManager._safeObjectId(comment.id)
if ((comment.op != null ? comment.op.t : undefined) != null) {
comment.op.t = SnapshotManager._safeObjectId(comment.op.t)
}
updateMetadata(comment.metadata)
}
return ranges
},
_safeObjectId(data) {
try {
return new ObjectId(data)
} catch (error) {
return data
}
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},
}