feat: add migration for rename unamed accounts (#5434)

fix TOV-130

packages/backend/server/src/data/migrations/1703756315970-unamed-account.ts

@@ -0,0 +1,31 @@
+import type { UserType } from '../../modules/users';
+import { PrismaService } from '../../prisma';
+
+export class UnamedAccount1703756315970 {
+  // do the migration
+  static async up(db: PrismaService) {
+    await db.$transaction(async tx => {
+      // only find users with empty names
+      const users = await db.$queryRaw<
+        UserType[]
+      >`SELECT * FROM users WHERE name ~ E'^[\\s\\u2000-\\u200F]*$';`;
+      console.log(
+        `renaming ${users.map(({ email }) => email).join('|')} users`
+      );
+
+      await Promise.all(
+        users.map(({ id, email }) =>
+          tx.user.update({
+            where: { id },
+            data: {
+              name: email.split('@')[0],
+            },
+          })
+        )
+      );
+    });
+  }
+
+  // revert the migration
+  static async down(_db: PrismaService) {}
+}