overleaf/services/web/scripts/force_doc_flush.js

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const { ObjectId } = require('mongodb-legacy')
const { db, waitForDb } = require('../app/src/infrastructure/mongodb')
const DocumentUpdaterHandler = require('../app/src/Features/DocumentUpdater/DocumentUpdaterHandler')
const PROJECT_ID = process.env.PROJECT_ID
const DOC_ID = process.env.DOC_ID
const VERBOSE_LOGGING = process.env.VERBOSE_LOGGING === 'true'
const DRY_RUN = process.env.DRY_RUN !== 'false'
console.log({
PROJECT_ID,
DOC_ID,
VERBOSE_LOGGING,
DRY_RUN,
})
async function main() {
await waitForDb()
const { lines, version, ranges } = await getDocument()
const size = lines.reduce((size, line) => size + line.length + 1, 0)
console.log('doc stats:', {
lineCount: lines.length,
size,
version,
})
if (!DRY_RUN) {
console.log(`updating doc ${DOC_ID} in mongo for project ${PROJECT_ID}`)
const result = await db.docs.updateOne(
{ _id: new ObjectId(DOC_ID), project_id: new ObjectId(PROJECT_ID) },
{
$set: { lines, version, ranges },
$inc: { rev: 1 }, // maintain same behaviour as Docstore upsertIntoDocCollection
$unset: {
inS3: true,
},
}
)
console.log('mongo result', result)
if (
result.matchedCount !== 1 ||
result.modifiedCount !== 1 ||
!result.acknowledged
) {
throw new Error('unexpected result from mongo update')
}
console.log(`deleting doc ${DOC_ID} from redis for project ${PROJECT_ID}`)
await DocumentUpdaterHandler.promises.deleteDoc(PROJECT_ID, DOC_ID, true)
}
}
function getDocument() {
return new Promise((resolve, reject) => {
DocumentUpdaterHandler.getDocument(
PROJECT_ID,
DOC_ID,
-1,
(error, lines, version, ranges) => {
if (error) {
reject(error)
} else {
resolve({ lines, version, ranges })
}
}
)
})
}
main()
.then(() => {
console.error('Done.')
process.exit(0)
})
.catch(error => {
console.error({ error })
process.exit(1)
})