added migration file

packages/commonwealth/server/migrations/20241114170102-icon-url-non-null.js

@@ -0,0 +1,42 @@
+'use strict';
+
+/** @type {import('sequelize-cli').Migration} */
+
+module.exports = {
+  async up(queryInterface, Sequelize) {
+    await queryInterface.sequelize.transaction(async (transaction) => {
+      await queryInterface.sequelize.query(
+        `
+              WITH random_avatars AS (
+                  SELECT id, (ARRAY[
+                     'https://assets.commonwealth.im/6588c98e-8c2f-4ba1-a312-0ebda16861b7.png', 
+                     'https://assets.commonwealth.im/66422349-c5b2-4323-9f55-4750eaac5162.png', 
+                     'https://assets.commonwealth.im/ea18afa6-158f-4fa2-b28b-1f51d88a1ad1.png', 
+                     'https://assets.commonwealth.im/beaf8336-eb27-43e8-9d81-feaefcdb8db9.png',
+                     'https://assets.commonwealth.im/5a2f2012-22a5-469e-9214-a0a2d84ecbef.png', 
+                     'https://assets.commonwealth.im/128e3b82-fd5d-4f1d-bdcc-5e23336f299f.png',
+                      ])[floor(random() * 6 + 1)] AS avatar_url
+                  FROM "Communities"
+                  WHERE 'icon_url' IS NULL
+                     OR 'icon_url' = ''
+              )
+              UPDATE "Communities"
+              SET icon_url = random_avatars.avatar_url
+              FROM random_avatars
+              WHERE "Communities".id = random_avatars.id
+          `,
+        { transaction },
+      );
+
+      await queryInterface.sequelize.query(
+        `
+           ALTER TABLE "Communities"
+           ALTER COLUMN "icon_url" SET NOT NULL;
+          `,
+        { transaction },
+      );
+    });
+  },
+
+  async down(queryInterface, Sequelize) {},
+};