Sathira Sri Sathara
5643d89236
- Added `businessPricing.service.js` to handle business customer pricing logic. - Introduced `money.js` for money parsing, formatting, and calculations. - Created `pricing.service.js` to manage variant quoting and promotion application. - Updated validation schemas in `catalogue.schemas.js` and `inventoryMerchandising.schemas.js` for new pricing and inventory features. - Implemented cron job for inventory reservation expiry in `inventoryReservationExpiry.cron.js`. - Created database migrations for catalogue and inventory structures. - Added unit tests for catalogue localization, validation, and inventory merchandising functionalities.
15 lines
2.4 KiB
JavaScript
15 lines
2.4 KiB
JavaScript
const db = require("../../models"); const business = require("./businessPricing.service"); const money = require("./money");
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const applies = (promotion, quantity, at) => promotion.status === "ACTIVE" && (!promotion.starts_at || new Date(promotion.starts_at) <= at) && (!promotion.ends_at || new Date(promotion.ends_at) > at) && (!promotion.minimum_quantity || quantity >= promotion.minimum_quantity);
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const discount = (price, promotion) => promotion.type === "PERCENTAGE" ? money.percentOff(price, promotion.discount_percent) : promotion.type === "FIXED_AMOUNT" ? String(promotion.discount_amount) : money.subtractFloor(price, promotion.fixed_price);
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async function quoteVariant({ variantId, businessCustomer, quantity = 1, couponCode, at = new Date() }) {
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const variant = await db.ProductVariant.findOne({ where: { id: variantId, status: "ACTIVE" } }); if (!variant) throw Object.assign(new Error("Variant not found"), { code: "VARIANT_NOT_FOUND", status: 404 });
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const base = await business.resolvePrice({ businessCustomer, variant, quantity, at });
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const promotions = await db.Promotion.findAll({ where: { status: "ACTIVE" }, order: [["priority", "DESC"], ["id", "ASC"]] });
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const automatic = promotions.filter(p => applies(p, quantity, at))[0] || null; let effective = base.unitPrice; let automaticDiscount = "0.00";
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if (automatic) { automaticDiscount = discount(effective, automatic); effective = money.subtractFloor(effective, automaticDiscount); }
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let coupon = null;
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if (couponCode) { coupon = await db.Coupon.findOne({ where: { code: couponCode.trim().toUpperCase(), status: "ACTIVE" }, include: [{ model: db.Promotion, as: "promotion" }] }); if (!coupon || (coupon.starts_at && new Date(coupon.starts_at) > at) || (coupon.expires_at && new Date(coupon.expires_at) <= at) || !applies(coupon.promotion, quantity, at)) throw Object.assign(new Error("Coupon is not valid"), { code: "INVALID_COUPON", status: 400 }); if (!automatic || automatic.stackable) effective = money.subtractFloor(effective, discount(effective, coupon.promotion)); }
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return { cataloguePrice: String(variant.base_price), businessPrice: base.source === "RETAIL" ? null : base.unitPrice, baseEligiblePrice: base.unitPrice, effectiveUnitPrice: effective, currency: variant.currency, minimumQuantity: base.minimumQuantity, automaticPromotion: automatic && { id: automatic.id, name: automatic.name }, coupon: coupon && { code: coupon.code } };
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}
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module.exports = { quoteVariant, applies, discount };
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