Preserve base price when adding order items

assets/order-history/script.js

@@ -372,7 +372,8 @@ async function searchProducts(query) {
             .map(p => ({
                 _id: p.id,
                 name: p.name,
-                selling_price: p.final_price || p.price || 0,
+                selling_price: p.price ?? 0,
+                final_price: p.final_price,
                 available_quantity: p.available_quantity || 0
             }));
 

tests/order-base-price.test.js

@@ -0,0 +1,25 @@
+const test = require('node:test');
+const assert = require('node:assert/strict');
+const fs = require('node:fs');
+const vm = require('node:vm');
+const source = fs.readFileSync(require('node:path').join(__dirname, '../assets/order-history/script.js'), 'utf8');
+const search = source.slice(source.indexOf('async function searchProducts(query)'), source.indexOf('// Store products for reference'));
+const add = source.slice(source.indexOf('function addProductToOrder(productId,'), source.indexOf('// Update order total'));
+const save = source.slice(source.indexOf('function linesForSave(items)'), source.indexOf('function confirmRemoveItem()'));
+test('search, add and save send the menu base price, never final_price', async () => {
+  let matches;
+  const ctx = vm.createContext({
+    console, crypto: require('node:crypto'), window: {}, STORE_NAME: 'products',
+    getData: async () => [{ id: 'paratha', name: 'Paratha', price: 45, final_price: 47.25 }],
+    document: { getElementById: () => ({}) },
+    renderProductSuggestions: products => { matches = products; },
+    editingOrder: { items: [] }, renderCurrentOrderItems() {}, updateOrderTotal() {},
+    lineIsCancelled: () => false, lineQuantity: item => item.quantity,
+  });
+  vm.runInContext(search + '\n' + add + '\n' + save, ctx);
+  await ctx.searchProducts('Paratha');
+  ctx.addProductToOrder('paratha', matches[0].name, matches[0].selling_price);
+  const request = ctx.linesForSave(ctx.editingOrder.items);
+  assert.equal(request[0].price, 45);
+  assert.equal(matches[0].final_price, 47.25);
+});