Add new migration for billing (#66)

* Add new migration for billing

* Fix column

* Add BTREE index for billing_instance_service_id

* Change order

src/db/migrations/20240124144536_add_billing_columns_to_tenants.ts

@@ -0,0 +1,33 @@
+import {Knex} from 'knex';
+
+export async function up(knex: Knex): Promise<void> {
+    return knex.raw(`
+        CREATE TYPE BILLING_RATE_TYPE AS ENUM ('community', 'business');
+
+        ALTER TABLE tenants ADD COLUMN billing_rate BILLING_RATE_TYPE NOT NULL DEFAULT('community');
+
+        ALTER TABLE tenants ADD COLUMN billing_account_id VARCHAR(255) DEFAULT NULL;
+
+        ALTER TABLE tenants ADD COLUMN billing_instance_service_id VARCHAR(255) DEFAULT NULL;
+
+        ALTER TABLE tenants ADD COLUMN billing_started_at TIMESTAMPTZ DEFAULT NULL;
+
+        CREATE INDEX tenants_billing_instance_service_id_idx ON tenants USING BTREE (billing_instance_service_id);
+    `);
+}
+
+export async function down(knex: Knex): Promise<void> {
+    return knex.raw(`
+        DROP INDEX tenants_billing_instance_service_id_idx;
+
+        ALTER TABLE tenants DROP COLUMN billing_started_at;
+
+        ALTER TABLE tenants DROP COLUMN billing_instance_service_id;
+
+        ALTER TABLE tenants DROP COLUMN billing_account_id;
+
+        ALTER TABLE tenants DROP COLUMN billing_rate;
+
+        DROP TYPE BILLING_RATE_TYPE;
+    `);
+}