Merge branch 'dev' into freight/nati-2

apps/edr-freight-api/src/migrations/3540000000000-EmptyReturnTrainLoad.ts

@@ -0,0 +1,35 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+
+/**
+ * Empty containers ride an export departure back to Djibouti, so a return now
+ * records which train schedule carries it and on which wagon slot. Size is
+ * captured too: the wagon rule is one 40ft OR two 20ft per wagon, which cannot
+ * be enforced without knowing the box size.
+ */
+export class EmptyReturnTrainLoad3540000000000 implements MigrationInterface {
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      ALTER TABLE freight.empty_container_returns
+        ADD COLUMN IF NOT EXISTS container_size character varying(10),
+        ADD COLUMN IF NOT EXISTS train_schedule_id uuid,
+        ADD COLUMN IF NOT EXISTS wagon_sequence_no integer
+    `);
+    await queryRunner.query(`
+      CREATE INDEX IF NOT EXISTS idx_empty_container_returns_train_schedule_id
+        ON freight.empty_container_returns (train_schedule_id)
+        WHERE train_schedule_id IS NOT NULL
+    `);
+  }
+
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(`
+      DROP INDEX IF EXISTS freight.idx_empty_container_returns_train_schedule_id
+    `);
+    await queryRunner.query(`
+      ALTER TABLE freight.empty_container_returns
+        DROP COLUMN IF EXISTS container_size,
+        DROP COLUMN IF EXISTS train_schedule_id,
+        DROP COLUMN IF EXISTS wagon_sequence_no
+    `);
+  }
+}