add scripts

Author: timmyichen

server/scripts/deleteExpiredEventsAndUsers.ts

@@ -0,0 +1,53 @@
+import initDB from 'server/lib/db';
+import { Event, User } from 'server/models';
+
+async function deleteExpiredEventsAndUsers() {
+  const db = await initDB();
+
+  const oneWeekAgo = new Date();
+  oneWeekAgo.setDate(new Date().getDate() - 7);
+
+  const session = await db.startSession();
+  session.startTransaction();
+
+  const expiredEvents = await Event.find({});
+
+  const eventIds = expiredEvents.map(e => e._id);
+
+  await User.updateMany(
+    {},
+    {
+      events: {
+        $pullAll: { _id: eventIds },
+      },
+    },
+    { session },
+  );
+
+  await User.deleteMany(
+    {
+      events: {
+        $size: 0,
+      },
+    },
+    // options for deleteMany is implemented but not typed
+    // https://github.com/Automattic/mongoose/pull/7860/files
+    // @ts-ignore
+    { session },
+  );
+
+  await Event.deleteMany(
+    {
+      endsAt: { $gte: oneWeekAgo },
+    },
+    // same as above
+    // @ts-ignore
+    { session },
+  );
+
+  await session.commitTransaction();
+
+  console.log(`success deleteExpiredEventsAndUsers since ${oneWeekAgo}`);
+}
+
+deleteExpiredEventsAndUsers().then(() => process.exit(0));