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36 lines
1.2 KiB
TypeScript
36 lines
1.2 KiB
TypeScript
import { ServiceType } from '../rule-engine/entities/service-type.entity';
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/**
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* Road (truck) services are distinguished by their ServiceType.code. Rail
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* services are seeded as RAIL_* and go through the train batch pool; a road
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* service (code starting ROAD_ or TRUCK_, or exactly ROAD/TRUCK) instead bills
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* by distance and dispatches a truck. Prefix-matching keeps this resilient to
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* the exact seeded code (e.g. ROAD_CONTAINER, TRUCK_FORWARDING).
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*/
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export function isRoadService(
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serviceType?: Pick<ServiceType, 'code'> | null,
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): boolean {
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const code = serviceType?.code?.toUpperCase() ?? '';
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return (
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code === 'ROAD' ||
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code === 'TRUCK' ||
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code.startsWith('ROAD_') ||
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code.startsWith('TRUCK_')
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);
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}
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/**
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* Road freight charge for an order: distance (km, from the route line) × the
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* per-km rate. Returns 0 when either input is missing so callers can add it to
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* a total without guarding.
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*/
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export function roadKmPrice(
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km: number | null | undefined,
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perKmRate: number | null | undefined,
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): number {
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const distance = Number(km ?? 0);
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const rate = Number(perKmRate ?? 0);
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if (!(distance > 0) || !(rate > 0)) return 0;
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return distance * rate;
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}
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