fix

apps/edr-freight-api/src/migrations/2290000000000-SeedWagonYardDoraleh.ts

@@ -0,0 +1,68 @@
+import { MigrationInterface, QueryRunner } from 'typeorm';
+
+/**
+ * Stand the whole wagon fleet in Doraleh.
+ *
+ * Runs AFTER SeedEdrWagonFleetErNumbering2260000000000, which recreates every
+ * wagon with a NULL yard — so this must stay later in timestamp order.
+ *
+ * A wagon with no yard cannot be coupled to a train (the train builder only
+ * offers AVAILABLE wagons standing in the train's own yard), which left the
+ * seeded fleet unusable. Doraleh is the Djibouti-side port yard the import runs
+ * originate from.
+ *
+ * The yard is created when absent: environments disagree about which yards
+ * exist, so this cannot assume one is there.
+ */
+const YARD_CODE = 'DORALEH';
+
+export class SeedWagonYardDoraleh2290000000000 implements MigrationInterface {
+  name = 'SeedWagonYardDoraleh2290000000000';
+
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    // Ensure the yard exists and is usable. Deliberately does NOT overwrite an
+    // existing label/country — a deployment that already calls this yard
+    // something else keeps its own naming.
+    await queryRunner.query(
+      `
+        INSERT INTO freight.yards (code, label, country, is_active, display_order)
+        VALUES ($1, 'Doraleh', 'Djibouti', true, 12)
+        ON CONFLICT (code) DO UPDATE SET
+          is_active  = true,
+          deleted_at = NULL,
+          updated_at = now();
+      `,
+      [YARD_CODE],
+    );
+
+    const [yard] = await queryRunner.query(
+      `SELECT id FROM freight.yards WHERE code = $1 AND deleted_at IS NULL LIMIT 1;`,
+      [YARD_CODE],
+    );
+
+    if (!yard?.id) {
+      throw new Error(`yard_missing:${YARD_CODE}`);
+    }
+
+    // Whole fleet — a wagon already coupled to a built train follows the train,
+    // so leave those where they stand.
+    await queryRunner.query(
+      `
+        UPDATE freight.wagons
+        SET current_yard_id = $1::uuid,
+            updated_at      = now()
+        WHERE train_id IS NULL;
+      `,
+      [yard.id],
+    );
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    // Back to the state SeedEdrWagonFleetErNumbering leaves them in.
+    await queryRunner.query(`
+      UPDATE freight.wagons
+      SET current_yard_id = NULL
+      WHERE train_id IS NULL;
+    `);
+  }
+}