transactions

database/migrations/Migration20260704140000_addCampaignUserGroupsTable.ts

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+import { Migration } from '@mikro-orm/migrations';
+
+export class Migration20260704140000_addCampaignUserGroupsTable extends Migration {
+
+  override async up(): Promise<void> {
+    this.addSql(`
+      create table "campaign_user_groups" (
+        "campaign_id" char(26) not null,
+        "user_group_id" char(26) not null,
+        constraint "campaign_user_groups_pkey" primary key ("campaign_id", "user_group_id")
+      );
+    `);
+    this.addSql(`
+      alter table "campaign_user_groups"
+      add constraint "campaign_user_groups_campaign_id_foreign"
+      foreign key ("campaign_id") references "campaigns" ("id") on update cascade on delete cascade;
+    `);
+    this.addSql(`
+      alter table "campaign_user_groups"
+      add constraint "campaign_user_groups_user_group_id_foreign"
+      foreign key ("user_group_id") references "user_groups" ("id") on update cascade on delete cascade;
+    `);
+
+    this.addSql(`
+      insert into "campaign_user_groups" ("campaign_id", "user_group_id")
+      select c."id", g."id"
+      from "campaigns" c
+      cross join lateral jsonb_array_elements_text(c."groups") as gid("id")
+      inner join "user_groups" g on g."id" = gid."id"
+      on conflict do nothing;
+    `);
+
+    this.addSql(`alter table "campaigns" drop column "groups";`);
+  }
+
+  override async down(): Promise<void> {
+    this.addSql(`alter table "campaigns" add column "groups" jsonb not null default '[]';`);
+
+    this.addSql(`
+      update "campaigns" c
+      set "groups" = coalesce(
+        (
+          select jsonb_agg(cug."user_group_id")
+          from "campaign_user_groups" cug
+          where cug."campaign_id" = c."id"
+        ),
+        '[]'::jsonb
+      );
+    `);
+
+    this.addSql(`drop table if exists "campaign_user_groups" cascade;`);
+  }
+
+}