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feat: add per-ton cargo loading limits and update related services

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Marshal
2026-08-03 19:16:28 +00:00
parent 9afc281d21
commit 488c2465be
14 changed files with 394 additions and 21 deletions
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8
apps/edr-freight-api/src/modules/bookings/booking-pricing.service.ts
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@@ -16,7 +16,7 @@ import {
containersPerWagonForSize,
wagonsPerUnitForSize,
} from '../rule-engine/container-type.util';
import { bulkItemWagonsForAllowedTypes } from '../train-scheduling/train-capacity.util';
import { bulkWagonsForAllowedTypes } from '../train-scheduling/train-capacity.util';
import { BookingsRepository } from './bookings.repository';
import { wagonRemainder } from './consolidation.service';
import { GeneratePriceResponseDto, PriceLineItemDto } from './dto/generate-price-response.dto';
@@ -1190,8 +1190,10 @@ export class BookingPricingService {
// Break-bulk (PER_ITEM): `tons` above is the item count; size by
// indivisible items instead of pretending the count is tonnage. Best
// count across allowed wagon types, each capped by its items-fit.
const byItems = bulkItemWagonsForAllowedTypes(booking, cargo, capacity);
if (byItems > 0) return byItems;
// PER_TON cargo may cap tons per wagon below the rating (sugar 50T on a
// 70T wagon) — 200T then prices 4 wagons, not 3.
const byWagons = bulkWagonsForAllowedTypes(booking, cargo, capacity);
if (byWagons > 0) return byWagons;
return Math.max(1, Math.ceil(tons / capacity));
} catch {
return null;