Merge pull request #10644 from overleaf/em-chunk-store-mongo

Mongo backend for the history chunk store

GitOrigin-RevId: 8dcfc7e62065785616b7894009368b6acbb4428a

services/web/app/src/infrastructure/mongodb.js

@@ -61,6 +61,7 @@ async function setupDb() {
   db.oauthApplications = internalDb.collection('oauthApplications')
   db.oauthAuthorizationCodes = internalDb.collection('oauthAuthorizationCodes')
   db.projectAuditLogEntries = internalDb.collection('projectAuditLogEntries')
+  db.projectHistoryChunks = internalDb.collection('projectHistoryChunks')
   db.projectHistoryFailures = internalDb.collection('projectHistoryFailures')
   db.projectHistoryLabels = internalDb.collection('projectHistoryLabels')
   db.projectHistoryMetaData = internalDb.collection('projectHistoryMetaData')

services/web/migrations/20221122191857_project_history_chunks_indexes.js

@@ -0,0 +1,27 @@
+/* eslint-disable no-unused-vars */
+
+const Helpers = require('./lib/helpers')
+
+exports.tags = ['server-ce', 'server-pro', 'saas']
+
+const indexes = [
+  {
+    key: { projectId: 1, startVersion: 1 },
+    name: 'projectId_1_startVersion_1',
+    partialFilterExpression: { state: 'active' },
+    unique: true,
+  },
+  {
+    key: { state: 1 },
+    name: 'state_1',
+    partialFilterExpression: { state: 'deleted' },
+  },
+]
+
+exports.migrate = async ({ db }) => {
+  await Helpers.addIndexesToCollection(db.projectHistoryChunks, indexes)
+}
+
+exports.rollback = async ({ db }) => {
+  await Helpers.dropIndexesFromCollection(db.projectHistoryChunks, indexes)
+}