feat(telecart): add vouchers and coupons (#9)

spa/src/utils/ftch.js

@@ -72,4 +72,24 @@ export async function getFiltersForMainPage() {
     return await ftch('filtersForMainPage');
 }
 
+export async function setCoupon(coupon) {
+    const formData = new FormData();
+    formData.append('coupon', coupon);
+
+    return await apiFetch(`${BASE_URL}index.php?route=extension/total/coupon/coupon`, {
+        method: 'POST',
+        body: formData,
+    });
+}
+
+export async function setVoucher(voucher) {
+    const formData = new FormData();
+    formData.append('voucher', voucher);
+
+    return await apiFetch(`${BASE_URL}index.php?route=extension/total/voucher/voucher`, {
+        method: 'POST',
+        body: formData,
+    });
+}
+
 export default ftch;