Add script to upgrade v1 project histories (if no SL history) (#4364)

* Add script to upgrade v1 project histories (if no SL history)

GitOrigin-RevId: 997308eec2ed09be4d9d203cb746ca8ac8c88e23

services/web/scripts/history/upgrade_v1_without_conversion_if_no_sl_history.js

@@ -0,0 +1,105 @@
+const SCRIPT_VERSION = 1
+const VERBOSE_LOGGING = process.env.VERBOSE_LOGGING === 'true'
+const WRITE_CONCURRENCY = parseInt(process.env.WRITE_CONCURRENCY, 10) || 10
+const BATCH_SIZE = parseInt(process.env.BATCH_SIZE, 10) || 100
+const DRY_RUN = process.env.DRY_RUN !== 'false'
+// persist fallback in order to keep batchedUpdate in-sync
+process.env.BATCH_SIZE = BATCH_SIZE
+
+const { ReadPreference } = require('mongodb')
+const { db } = require('../../app/src/infrastructure/mongodb')
+const { promiseMapWithLimit } = require('../../app/src/util/promises')
+const { batchedUpdate } = require('../helpers/batchedUpdate')
+
+console.log({ DRY_RUN, VERBOSE_LOGGING, WRITE_CONCURRENCY, BATCH_SIZE })
+
+const RESULT = {
+  DRY_RUN,
+  projectsUpgraded: 0,
+}
+
+async function processBatch(_, projects) {
+  await promiseMapWithLimit(WRITE_CONCURRENCY, projects, processProject)
+  console.log(RESULT)
+}
+
+async function processProject(project) {
+  const anyDocHistory = await anyDocHistoryExists(project)
+  if (anyDocHistory) {
+    return
+  }
+  const anyDocHistoryIndex = await anyDocHistoryIndexExists(project)
+  if (anyDocHistoryIndex) {
+    return
+  }
+  await doUpgradeForV1WithoutConversion(project)
+}
+
+async function doUpgradeForV1WithoutConversion(project) {
+  if (!DRY_RUN) {
+    db.projects.updateOne(
+      { _id: project._id },
+      {
+        $set: {
+          'overleaf.history.display': true,
+          'overleaf.history.upgradedAt': new Date(),
+          'overleaf.history.upgradeReason': `v1-without-sl-history/${SCRIPT_VERSION}`,
+        },
+      }
+    )
+  }
+  if (VERBOSE_LOGGING) {
+    console.log(`project ${project._id} converted to full project history`)
+  }
+  RESULT.projectsUpgraded += 1
+}
+
+async function anyDocHistoryExists(project) {
+  return await db.docHistory.findOne(
+    { project_id: { $eq: project._id } },
+    {
+      projection: { _id: 1 },
+      readPreference: ReadPreference.SECONDARY,
+    }
+  )
+}
+
+async function anyDocHistoryIndexExists(project) {
+  return await db.docHistoryIndex.findOne(
+    { project_id: { $eq: project._id } },
+    {
+      projection: { _id: 1 },
+      readPreference: ReadPreference.SECONDARY,
+    }
+  )
+}
+
+async function main() {
+  const projection = {
+    _id: 1,
+    overleaf: 1,
+  }
+  await batchedUpdate(
+    'projects',
+    {
+      $and: [
+        { 'overleaf.history.display': { $ne: true } },
+        { 'overleaf.history.id': { $exists: true } },
+      ],
+    },
+    processBatch,
+    projection
+  )
+  console.log('Final')
+  console.log(RESULT)
+}
+
+main()
+  .then(() => {
+    console.error('Done.')
+    process.exit(0)
+  })
+  .catch(error => {
+    console.error({ error })
+    process.exit(1)
+  })