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42 lines
852 B
JavaScript
42 lines
852 B
JavaScript
const Settings = require('@overleaf/settings')
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const { MongoClient, ObjectId } = require('mongodb')
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const clientPromise = MongoClient.connect(
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Settings.mongo.url,
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Settings.mongo.options
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)
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let setupDbPromise
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async function waitForDb() {
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if (!setupDbPromise) {
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setupDbPromise = setupDb()
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}
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await setupDbPromise
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}
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const db = {}
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async function setupDb() {
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const internalDb = (await clientPromise).db()
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db.docHistory = internalDb.collection('docHistory')
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db.docHistoryIndex = internalDb.collection('docHistoryIndex')
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db.projectHistoryMetaData = internalDb.collection('projectHistoryMetaData')
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}
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async function closeDb() {
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let client
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try {
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client = await clientPromise
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} catch (e) {
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// there is nothing to close
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return
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}
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return client.close()
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}
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module.exports = {
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db,
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ObjectId,
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closeDb,
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waitForDb,
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}
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