Merge pull request #525 from Tria-plc/Truckdetantion

Container truck assignment on customer portal for import

apps/edr-freight-api/src/migrations/2020000000000-WarehouseCapacityKgToTons.ts

@@ -0,0 +1,35 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+/**
+ * Weights are tonnes everywhere. Warehouse / yard / zone capacity was stored in
+ * kg (e.g. 25000, 5000, 2500) — convert existing rows to tonnes (÷1000). Cargo
+ * weight (warehouse_inventory.weight ← cargo_total_weight_vgm) is already tonnes
+ * and is NOT touched; truck gross weight has no data yet. Runs exactly once
+ * (tracked by TypeORM) — re-running would divide again.
+ */
+export class WarehouseCapacityKgToTons2020000000000 implements MigrationInterface {
+  name = 'WarehouseCapacityKgToTons2020000000000';
+
+  private readonly tables = ['warehouses', 'warehouse_yards', 'warehouse_zones'];
+  private readonly columns = ['capacity_weight', 'current_weight', 'max_weight'];
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    for (const table of this.tables) {
+      for (const column of this.columns) {
+        await queryRunner.query(
+          `UPDATE freight.${table} SET ${column} = ${column} / 1000.0 WHERE ${column} IS NOT NULL`,
+        );
+      }
+    }
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    for (const table of this.tables) {
+      for (const column of this.columns) {
+        await queryRunner.query(
+          `UPDATE freight.${table} SET ${column} = ${column} * 1000.0 WHERE ${column} IS NOT NULL`,
+        );
+      }
+    }
+  }
+}