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Export interchange document — a generation error after Djibouti unloading failed the whole request and left the document missing until a manual rerun. Generation is now best-effort (unload never fails on paperwork) and reruns backfill the document.
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import { MigrationInterface, QueryRunner } from 'typeorm';
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/**
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* Named service items for KM-based maintenance ("oil change", "tires", …).
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* The coarse maintenance_type enum (PREVENTIVE/…) allowed only one interval
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* per type per vehicle, so oil and tire intervals could not coexist. Interval
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* identity becomes (vehicle, maintenance_type, service_item); schedules carry
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* the item so completion re-finds the right interval for auto-scheduling.
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*/
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export class AddMaintenanceServiceItem2810000000000 implements MigrationInterface {
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name = 'AddMaintenanceServiceItem2810000000000';
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public async up(queryRunner: QueryRunner): Promise<void> {
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await queryRunner.query(
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`ALTER TABLE freight.maintenance_intervals ADD COLUMN IF NOT EXISTS service_item varchar(120);`,
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);
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await queryRunner.query(
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`ALTER TABLE freight.maintenance_schedules ADD COLUMN IF NOT EXISTS service_item varchar(120);`,
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);
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// Re-key interval uniqueness on (vehicle, type, item). COALESCE folds the
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// item-less legacy rows into one slot; soft-deleted rows are ignored.
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await queryRunner.query(
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`DROP INDEX IF EXISTS freight."UQ_maintenance_intervals_vehicle_type";`,
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);
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await queryRunner.query(`
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CREATE UNIQUE INDEX IF NOT EXISTS "UQ_maintenance_intervals_vehicle_type_item"
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ON freight.maintenance_intervals (vehicle_id, maintenance_type, COALESCE(service_item, ''))
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WHERE deleted_at IS NULL;
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`);
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}
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public async down(queryRunner: QueryRunner): Promise<void> {
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await queryRunner.query(
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`DROP INDEX IF EXISTS freight."UQ_maintenance_intervals_vehicle_type_item";`,
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);
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await queryRunner.query(`
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CREATE UNIQUE INDEX IF NOT EXISTS "UQ_maintenance_intervals_vehicle_type"
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ON freight.maintenance_intervals (vehicle_id, maintenance_type);
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`);
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await queryRunner.query(
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`ALTER TABLE freight.maintenance_schedules DROP COLUMN IF EXISTS service_item;`,
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);
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await queryRunner.query(
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`ALTER TABLE freight.maintenance_intervals DROP COLUMN IF EXISTS service_item;`,
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);
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}
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}
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