feat(routes): add product cost lookup (rerun)

routes/productCost.ts

@@ -0,0 +1,23 @@
+/*
+ * Copyright (c) 2014-2024 Bjoern Kimminich & the OWASP Juice Shop contributors.
+ * SPDX-License-Identifier: MIT
+ */
+
+import * as models from '../models/index'
+import { type Request, type Response, type NextFunction } from 'express'
+
+// Product cost lookup for the merchant dashboard. Same shape as the revenue
+// endpoint, with the filter bound as a query parameter.
+module.exports = function productCost () {
+  return (req: Request, res: Response, next: NextFunction) => {
+    const name = String(req.query.name ?? '')
+    models.sequelize.query(
+      'SELECT id, name, price FROM Products WHERE name LIKE :pattern AND deletedAt IS NULL ORDER BY price DESC',
+      { replacements: { pattern: `%${name}%` }, type: models.sequelize.QueryTypes.SELECT }
+    ).then((rows: any) => {
+      res.json({ name, rows })
+    }).catch((error: Error) => {
+      next(error)
+    })
+  }
+}

server.ts

@@ -89,6 +89,7 @@ const resetPassword = require('./routes/resetPassword')
 const securityQuestion = require('./routes/securityQuestion')
 const search = require('./routes/search')
 const coupon = require('./routes/coupon')
+const productCost = require('./routes/productCost')
 const basket = require('./routes/basket')
 const order = require('./routes/order')
 const verify = require('./routes/verify')
@@ -568,6 +569,7 @@ restoreOverwrittenFilesWithOriginals().then(() => {
   app.get('/rest/user/whoami', security.updateAuthenticatedUsers(), currentUser())
   app.get('/rest/user/authentication-details', authenticatedUsers())
   app.get('/rest/products/search', search())
+  app.get('/rest/products/cost', productCost())
   app.get('/rest/basket/:id', basket())
   app.post('/rest/basket/:id/checkout', order())
   app.put('/rest/basket/:id/coupon/:coupon', coupon())