Refactor frontend components and backend migrations

- Removed TradingGraph component from frontend/src/components/trading.
- Updated home page to import Services component and TradingGraph from new path.
- Modified PortfolioPage to return null instead of PortfolioGrid.
- Added initial migrations for account, advertisement, commerce, configuration, downloader, gopay, stripe, trading212, and zasilkovna apps in the backend.
- Created Services component with subcomponents for Kinematografie, Drone Service, and Website Service.
- Implemented TradingGraph component with dynamic data generation and canvas rendering.
- Updated DonationShop component to display donation tiers with icons and descriptions.

backend/thirdparty/stripe/migrations/0001_initial.py

@@ -0,0 +1,26 @@
+# Generated by Django 5.2.9 on 2025-12-14 02:23
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='StripeModel',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('status', models.CharField(choices=[('pending', 'cz#Čeká se na platbu'), ('paid', 'cz#Zaplaceno'), ('failed', 'cz#Neúspěšné'), ('cancelled', 'cz#Zrušeno'), ('refunding', 'cz#Platba se vrací'), ('refunded', 'cz#Platba úspěšně vrácena')], default='pending', max_length=20)),
+                ('stripe_session_id', models.CharField(blank=True, max_length=255, null=True)),
+                ('stripe_payment_intent', models.CharField(blank=True, max_length=255, null=True)),
+                ('stripe_session_url', models.URLField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('updated_at', models.DateTimeField(auto_now=True, null=True)),
+            ],
+        ),
+    ]

backend/thirdparty/stripe/urls.py

@@ -1,6 +1,6 @@
 from django.urls import path
-from .views import CreateCheckoutSessionView
+from .views import StripeWebhook
 
 urlpatterns = [
-    path("orders/create-checkout/", CreateCheckoutSessionView.as_view(), name="create-checkout"),
+    path("stripe-webhook/", StripeWebhook.as_view(), name="stripe-webhook"),
 ]

backend/thirdparty/stripe/views.py

@@ -9,7 +9,7 @@ from drf_spectacular.utils import extend_schema
 import os
 import logging
 
-from .models import StripeTransaction
+from .models import StripeModel
 from commerce.models import Order, Payment
 
 logger = logging.getLogger(__name__)
@@ -48,7 +48,7 @@ class StripeWebhook(APIView):
         # ZAPLACENO
         if event['type'] == 'checkout.session.completed':
             
-            stripe_transaction = StripeTransaction.objects.get(stripe_session_id=session.id)
+            stripe_transaction = StripeModel.objects.get(stripe_session_id=session.id)
 
             if stripe_transaction:
                 stripe_transaction.paid()
@@ -60,7 +60,7 @@ class StripeWebhook(APIView):
 
         # EXPIRACE (zrušení objednávky) uživatel nezaplatil do 24 hodin!
         elif event['type'] == 'checkout.session.expired':
-            order = Order.objects.get(payment=Payment.objects.get(stripe=StripeTransaction.objects.get(stripe_session_id=session.id)))
+            order = Order.objects.get(payment=Payment.objects.get(stripe=StripeModel.objects.get(stripe_session_id=session.id)))
             order.status = Order.STATUS_CHOICES.CANCELLED
             order.save()
 
@@ -71,7 +71,7 @@ class StripeWebhook(APIView):
         # REFUND POTVRZEN
         elif event['type'] == 'payment_intent.refunded':
             session = event['data']['object']
-            stripe_transaction = StripeTransaction.objects.get(stripe_payment_intent=session.id)
+            stripe_transaction = StripeModel.objects.get(stripe_payment_intent=session.id)
 
             if stripe_transaction:
                 stripe_transaction.refund_confirmed()