fix

apps/edr-freight-api/src/migrations/1890000000000-SeparateVehicleAvailability.ts

@@ -0,0 +1,40 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+/**
+ * Split the mixed vehicle status into two fields:
+ * - status: operational state (ACTIVE, MAINTENANCE, RETIRED, OUT_OF_SERVICE)
+ * - availability: assignment state (FREE, BUSY)
+ *
+ * Existing FREE/BUSY statuses are moved to availability and the status is
+ * normalized back to ACTIVE.
+ */
+export class SeparateVehicleAvailability1890000000000 implements MigrationInterface {
+  name = "SeparateVehicleAvailability1890000000000";
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.vehicles
+      ADD COLUMN IF NOT EXISTS availability varchar DEFAULT 'FREE'
+    `);
+    await queryRunner.query(`
+      UPDATE freight.vehicles SET availability = 'BUSY' WHERE status = 'BUSY'
+    `);
+    await queryRunner.query(`
+      UPDATE freight.vehicles SET availability = 'FREE' WHERE availability IS NULL
+    `);
+    await queryRunner.query(`
+      UPDATE freight.vehicles SET status = 'ACTIVE' WHERE status IN ('FREE', 'BUSY')
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    // Fold availability back into status before dropping the column
+    await queryRunner.query(`
+      UPDATE freight.vehicles SET status = availability
+      WHERE status = 'ACTIVE' AND availability IN ('FREE', 'BUSY')
+    `);
+    await queryRunner.query(`
+      ALTER TABLE freight.vehicles DROP COLUMN IF EXISTS availability
+    `);
+  }
+}