From 533fe7c1ce7e1873e49ff900724cad78061ef771 Mon Sep 17 00:00:00 2001
From: Martin Quarda <martin@quarda.cz>
Date: Sun, 13 Oct 2024 16:03:30 +0200
Subject: [PATCH] fix

---
 alkatorapi/views.py           | 17 +++++++++++------
 frontend/src/scripts/index.js |  6 +++---
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/alkatorapi/views.py b/alkatorapi/views.py
index 5e2f143..ded2778 100644
--- a/alkatorapi/views.py
+++ b/alkatorapi/views.py
@@ -8,6 +8,7 @@ from django.contrib.auth.models import User as DjangoUser
 from django.contrib.auth import authenticate
 from django.contrib.auth import login as auth_login, logout as auth_logout
 from django.core.mail import send_mail, mail_admins, EmailMessage
+from django.db.utils import IntegrityError
 from django.utils.datastructures import MultiValueDictKeyError
 from datetime import date, datetime, timedelta
 from weasyprint import HTML
@@ -354,12 +355,16 @@ def cart_add(request):
         cart.save()
     else:
         cart = user.cart
-    cart_product = CartProduct(
-        product=Product.objects.get(id=_id),
-        cart=cart,
-        quantity=1,
-    )
-    cart_product.save()
+    try:
+        cart_product = CartProduct(
+            product=Product.objects.get(id=_id),
+            cart=cart,
+            quantity=1,
+        )
+        cart_product.save()
+    except IntegrityError as e:
+            return HttpResponse('{"status":"failed", "reason":"Předmět už v košíku je!"}', content_type='application/json')
+    return HttpResponse('{"status":"success", "reason":"Úspěšně přidáno do košíku."}', status=200)
 
 
 def results(request):
diff --git a/frontend/src/scripts/index.js b/frontend/src/scripts/index.js
index cf12895..6f8babc 100644
--- a/frontend/src/scripts/index.js
+++ b/frontend/src/scripts/index.js
@@ -81,14 +81,14 @@ class Main extends Component {
     }
     addToCart = (id) =>{
         fetch(addr_prefix + "/api/cart/add?id=" + id).then(resp => resp.json()).then(json=>{
-            if(json.reason){
+            if(json.status == "failed"){
                 this.setState({
-                    status_text: data.reason,
+                    status_text: json.reason,
                     status: "failed",
                 })
             }else{
                 this.setState({
-                    status_text: data.success,
+                    status_text: json.reason,
                     status: "success",
                     cart: [...this.state.cart, id],
                 });