fix(migration): add game server model migration

migrations/1616687902073-mark-all-game-servers-as-not-deleted.js

@@ -0,0 +1,37 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+'use strict'
+
+//
+// Set deleted to false on all game servers that do not have the 'deleted' property.
+//
+
+const { config } = require('dotenv');
+const { MongoClient } = require('mongodb');
+
+module.exports.up = next => {
+  config();
+
+  let credentials = '';
+  if (process.env.MONGODB_USERNAME) {
+    if (process.env.MONGODB_PASSWORD) {
+      credentials = `${process.env.MONGODB_USERNAME}:${process.env.MONGODB_PASSWORD}@`;
+    } else {
+      credentials = `${process.env.MONGODB_USERNAME}@`;
+    }
+  }
+
+  const uri = `mongodb://${credentials}${process.env.MONGODB_HOST}:${process.env.MONGODB_PORT}/${process.env.MONGODB_DB}`;
+
+  MongoClient.connect(uri, { useUnifiedTopology: true })
+    .then(client => client.db())
+    .then(db => db.collection('gameservers'))
+    .then(collection => collection.updateMany(
+      {
+        deleted: { $exists: false },
+      },
+      {
+        $set: { deleted: false },
+      },
+    ))
+    .then(() => next());
+}