overleaf/services/web/scripts/refresh_features.js

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const { db, waitForDb } = require('../app/src/infrastructure/mongodb')
const minimist = require('minimist')
const _ = require('lodash')
const async = require('async')
const FeaturesUpdater = require('../app/src/Features/Subscription/FeaturesUpdater')
const UserFeaturesUpdater = require('../app/src/Features/Subscription/UserFeaturesUpdater')
const ScriptLogger = {
checkedUsersCount: 0,
mismatchUsersCount: 0,
allDaysSinceLastLoggedIn: [],
allMismatchReasons: {},
recordMismatch: (user, mismatchReasons) => {
const mismatchReasonsString = JSON.stringify(mismatchReasons)
if (ScriptLogger.allMismatchReasons[mismatchReasonsString]) {
ScriptLogger.allMismatchReasons[mismatchReasonsString].push(user._id)
} else {
ScriptLogger.allMismatchReasons[mismatchReasonsString] = [user._id]
}
ScriptLogger.mismatchUsersCount += 1
if (user.lastLoggedIn) {
let daysSinceLastLoggedIn =
(new Date() - user.lastLoggedIn) / 1000 / 3600 / 24
ScriptLogger.allDaysSinceLastLoggedIn.push(daysSinceLastLoggedIn)
}
},
printProgress: () => {
console.warn(
`Users checked: ${ScriptLogger.checkedUsersCount}. Mismatches: ${ScriptLogger.mismatchUsersCount}`
)
},
printSummary: () => {
console.log('All Mismatch Reasons:', ScriptLogger.allMismatchReasons)
console.log('Mismatch Users Count', ScriptLogger.mismatchUsersCount)
console.log(
'Average Last Logged In (Days):',
_.sum(ScriptLogger.allDaysSinceLastLoggedIn) /
ScriptLogger.allDaysSinceLastLoggedIn.length
)
console.log(
'Recent Logged In (Last 7 Days):',
_.filter(ScriptLogger.allDaysSinceLastLoggedIn, a => a < 7).length
)
console.log(
'Recent Logged In (Last 30 Days):',
_.filter(ScriptLogger.allDaysSinceLastLoggedIn, a => a < 30).length
)
}
}
const checkAndUpdateUser = (user, callback) =>
FeaturesUpdater._computeFeatures(user._id, (error, freshFeatures) => {
if (error) {
return callback(error)
}
let mismatchReasons = FeaturesUpdater.compareFeatures(
user.features,
freshFeatures
)
if (Object.keys(mismatchReasons).length === 0) {
// features are matching; nothing else to do
return callback()
}
ScriptLogger.recordMismatch(user, mismatchReasons)
if (!COMMIT) {
// not saving features; nothing else to do
return callback()
}
UserFeaturesUpdater.overrideFeatures(user._id, freshFeatures, callback)
})
const checkAndUpdateUsers = (users, callback) =>
async.eachLimit(users, ASYNC_LIMIT, checkAndUpdateUser, callback)
const loopForUsers = (skip, callback) => {
db.users
.find({})
.project({ features: 1, lastLoggedIn: 1 })
.sort('_id')
.skip(skip)
.limit(FETCH_LIMIT)
.toArray((error, users) => {
if (error) {
return callback(error)
}
if (users.length === 0) {
console.warn('DONE')
return callback()
}
checkAndUpdateUsers(users, error => {
if (error) {
return callback(error)
}
ScriptLogger.checkedUsersCount += users.length
retryCounter = 0
ScriptLogger.printProgress()
ScriptLogger.printSummary()
loopForUsers(MONGO_SKIP + ScriptLogger.checkedUsersCount, callback)
})
})
}
let retryCounter = 0
const run = () =>
loopForUsers(MONGO_SKIP + ScriptLogger.checkedUsersCount, error => {
if (error) {
if (retryCounter < 3) {
console.error(error)
retryCounter += 1
console.warn(`RETRYING IN 60 SECONDS. (${retryCounter}/3)`)
return setTimeout(run, 6000)
}
throw error
}
process.exit()
})
let FETCH_LIMIT, ASYNC_LIMIT, COMMIT, MONGO_SKIP
const setup = () => {
const argv = minimist(process.argv.slice(2))
FETCH_LIMIT = argv.fetch ? argv.fetch : 100
ASYNC_LIMIT = argv.async ? argv.async : 10
MONGO_SKIP = argv.skip ? argv.skip : 0
COMMIT = argv.commit !== undefined
if (!COMMIT) {
console.warn('Doing dry run without --commit')
}
if (MONGO_SKIP) {
console.warn(`Skipping first ${MONGO_SKIP} records`)
}
}
waitForDb().then(() => {
setup()
run()
})