feat: implement business pricing service and money utilities

- 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.

app/controllers/merchandising/admin.controller.js

@@ -0,0 +1,5 @@
+const crypto=require("crypto"),db=require("../../models"),{logActivity}=require("../../services/activity.service");const map=(b,u)=>({name:b.name,type:b.type,status:b.status,starts_at:b.startsAt,ends_at:b.endsAt,priority:b.priority,stackable:b.stackable,discount_percent:b.discountPercent,discount_amount:b.discountAmount,fixed_price:b.fixedPrice,minimum_quantity:b.minimumQuantity,updated_by:u});
+const crud=model=>async(req,res,next)=>{try{res.json({success:true,data:await model.findAll({order:[["createdAt","DESC"]]})});}catch(e){next(e);}};exports.promotions=crud(db.Promotion);exports.coupons=crud(db.Coupon);exports.banners=crud(db.Banner);
+exports.createPromotion=async(req,res,next)=>{try{let row;await db.sequelize.transaction(async t=>{row=await db.Promotion.create({id:crypto.randomUUID(),...map(req.body,req.user.id),created_by:req.user.id},{transaction:t});await db.PromotionTarget.bulkCreate(req.body.targets.map(x=>({id:crypto.randomUUID(),promotion_id:row.id,target_type:x.type,target_id:x.id||null})),{transaction:t});});await logActivity({user:req.user,type:"PROMOTION_CREATED",module:"Merchandising",targetId:row.id});res.status(201).json({success:true,data:row});}catch(e){next(e);}};
+exports.createCoupon=async(req,res,next)=>{try{const b=req.body,row=await db.Coupon.create({id:crypto.randomUUID(),code:b.code,promotion_id:b.promotionId,status:b.status,starts_at:b.startsAt,expires_at:b.expiresAt});await logActivity({user:req.user,type:"COUPON_CREATED",module:"Merchandising",targetId:row.id});res.status(201).json({success:true,data:row});}catch(e){next(e);}};
+exports.createBanner=async(req,res,next)=>{try{const b=req.body;let row;await db.sequelize.transaction(async t=>{const upload=await db.Upload.findOne({where:{id:b.imageUploadId,status:"AVAILABLE"},transaction:t});if(!upload||!String(upload.mime_type||upload.mimeType).startsWith("image/"))throw Object.assign(new Error("Available image upload required"),{status:400,code:"INVALID_BANNER_MEDIA"});row=await db.Banner.create({id:crypto.randomUUID(),placement:b.placement,status:b.status,starts_at:b.startsAt,ends_at:b.endsAt,image_upload_id:b.imageUploadId,mobile_image_upload_id:b.mobileImageUploadId,target_url:b.targetUrl,audience_type:b.audienceType,business_tier_id:b.businessTierId,sort_order:b.sortOrder,created_by:req.user.id},{transaction:t});await db.BannerTranslation.bulkCreate(b.translations.map(x=>({id:crypto.randomUUID(),banner_id:row.id,locale:x.locale,headline:x.headline,subheadline:x.subheadline,cta_text:x.ctaText,alt_text:x.altText})),{transaction:t});});await logActivity({user:req.user,type:"BANNER_CREATED",module:"Merchandising",targetId:row.id});res.status(201).json({success:true,data:row});}catch(e){next(e);}};

app/controllers/merchandising/public.controller.js

@@ -0,0 +1,2 @@
+const {Op}=require("sequelize"),db=require("../../models");exports.banners=async(req,res,next)=>{try{const now=new Date(),audience=req.user?.accountType==="BUSINESS_CUSTOMER"?["ALL","BUSINESS_CUSTOMER"]:req.user?["ALL","CUSTOMER"]:["ALL"];const where={status:"ACTIVE",audience_type:{[Op.in]:audience},[Op.and]:[{[Op.or]:[{starts_at:null},{starts_at:{[Op.lte]:now}}]},{[Op.or]:[{ends_at:null},{ends_at:{[Op.gt]:now}}]}]};if(req.query.placement)where.placement=req.query.placement;const rows=await db.Banner.findAll({where,include:[{model:db.BannerTranslation,as:"translations"}],order:[["sort_order","ASC"],["id","ASC"]]});res.json({success:true,data:rows.map(x=>({id:x.id,placement:x.placement,targetUrl:x.target_url,image:{uploadId:x.image_upload_id},translation:(x.translations.find(t=>t.locale===(req.query.locale||"en"))||x.translations.find(t=>t.locale==="en")||x.translations[0])}))});}catch(e){next(e);}};
+exports.availability=async(req,res,next)=>{try{const rows=await db.InventoryBalance.findAll({where:{variant_id:req.params.variantId},attributes:["on_hand","reserved","low_stock_threshold"]}),available=rows.reduce((n,x)=>n+Number(x.on_hand)-Number(x.reserved),0),threshold=rows.reduce((n,x)=>n+Number(x.low_stock_threshold),0),status=available<=0?"OUT_OF_STOCK":available<=threshold?"LOW_STOCK":"IN_STOCK";res.json({success:true,data:{variantId:req.params.variantId,status,availableForSale:available>0}});}catch(e){next(e);}};