feat(billing): refacto billing (#14243)

… prices for metered billing

---------

Co-authored-by: Félix Malfait <felix.malfait@gmail.com>
Co-authored-by: Félix Malfait <felix@twenty.com>

packages/twenty-server/src/database/typeorm/core/migrations/billing/1756912860000-addPhasesToBillingSubscription.ts

@@ -0,0 +1,19 @@
+import { type MigrationInterface, type QueryRunner } from 'typeorm';
+
+export class AddPhasesToBillingSubscription1756912860000
+  implements MigrationInterface
+{
+  name = 'AddPhasesToBillingSubscription1756912860000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "core"."billingSubscription" ADD "phases" jsonb NOT NULL DEFAULT '[]'`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "core"."billingSubscription" DROP COLUMN "phases"`,
+    );
+  }
+}

packages/twenty-server/src/database/typeorm/core/migrations/billing/1757056320000-removeTiersModeFromBillingPrice.ts

@@ -0,0 +1,26 @@
+import { type MigrationInterface, type QueryRunner } from 'typeorm';
+
+export class RemoveTiersModeFromBillingPrice1757056320000
+  implements MigrationInterface
+{
+  name = 'RemoveTiersModeFromBillingPrice1757056320000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "core"."billingPrice" DROP COLUMN "tiersMode"`,
+    );
+
+    await queryRunner.query(
+      `DROP TYPE IF EXISTS "core"."billingPrice_tiersmode_enum"`,
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `CREATE TYPE "core"."billingPrice_tiersmode_enum" AS ENUM('GRADUATED', 'VOLUME')`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "core"."billingPrice" ADD "tiersMode" "core"."billingPrice_tiersmode_enum"`,
+    );
+  }
+}