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[misc] mongodb: refactor the process of setting up the db construct

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Co-Authored-By: John Lees-Miller <jdleesmiller@gmail.com>
This commit is contained in:
Jakob Ackermann 2020-09-07 09:31:50 +01:00
parent 0cf5cad3b8
commit f6083a2d51
1 changed files with 7 additions and 3 deletions
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10
services/chat/app/js/mongodb.js
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@ -3,17 +3,21 @@ const { MongoClient, ObjectId } = require('mongodb')
const clientPromise = MongoClient.connect(Settings.mongo.url) const clientPromise = MongoClient.connect(Settings.mongo.url)
let setupDbPromise
async function waitForDb() { async function waitForDb() {
await clientPromise if (!setupDbPromise) {
setupDbPromise = setupDb()
}
await setupDbPromise
} }
const db = {} const db = {}
waitForDb().then(async function () { async function setupDb() {
const internalDb = (await clientPromise).db() const internalDb = (await clientPromise).db()
db.messages = internalDb.collection('messages') db.messages = internalDb.collection('messages')
db.rooms = internalDb.collection('rooms') db.rooms = internalDb.collection('rooms')
}) }
module.exports = { module.exports = {
db, db,