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/downloader/migrations/0001_initial.py

@@ -0,0 +1,30 @@
+# 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='DownloaderRecord',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('is_deleted', models.BooleanField(default=False)),
+                ('deleted_at', models.DateTimeField(blank=True, null=True)),
+                ('url', models.URLField()),
+                ('download_time', models.DateTimeField(auto_now_add=True)),
+                ('format', models.CharField(max_length=50)),
+                ('length_of_media', models.IntegerField(help_text='Length of media in seconds')),
+                ('file_size', models.BigIntegerField(help_text='File size in bytes')),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]

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

@@ -0,0 +1,63 @@
+# Generated by Django 5.2.9 on 2025-12-14 02:23
+
+import django.db.models.deletion
+import django.utils.timezone
+from django.conf import settings
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        migrations.swappable_dependency(settings.AUTH_USER_MODEL),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='GoPayPayment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('gopay_id', models.CharField(db_index=True, max_length=64, unique=True)),
+                ('order_number', models.CharField(blank=True, default='', max_length=128)),
+                ('amount', models.BigIntegerField(help_text='Amount in minor units (e.g., CZK in haléř).')),
+                ('currency', models.CharField(max_length=10)),
+                ('status', models.CharField(db_index=True, default='', max_length=64)),
+                ('preauthorized', models.BooleanField(default=False)),
+                ('captured_amount', models.BigIntegerField(default=0)),
+                ('request_payload', models.JSONField(blank=True, default=dict)),
+                ('response_payload', models.JSONField(blank=True, default=dict)),
+                ('created_at', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
+                ('updated_at', models.DateTimeField(auto_now=True)),
+                ('user', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.DO_NOTHING, related_name='gopay_payments', to=settings.AUTH_USER_MODEL)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='GoPayRefund',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('gopay_refund_id', models.CharField(blank=True, default='', max_length=64)),
+                ('amount', models.BigIntegerField(help_text='Amount in minor units.')),
+                ('status', models.CharField(blank=True, default='', max_length=64)),
+                ('payload', models.JSONField(blank=True, default=dict)),
+                ('created_at', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
+                ('payment', models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='refunds', to='gopay.gopaypayment')),
+            ],
+        ),
+        migrations.CreateModel(
+            name='GoPaySubscription',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('recurrence_id', models.CharField(blank=True, default='', max_length=64)),
+                ('status', models.CharField(blank=True, default='', max_length=64)),
+                ('interval', models.CharField(blank=True, default='', max_length=64)),
+                ('next_payment_on', models.DateTimeField(blank=True, null=True)),
+                ('payload', models.JSONField(blank=True, default=dict)),
+                ('canceled', models.BooleanField(default=False)),
+                ('canceled_at', models.DateTimeField(blank=True, null=True)),
+                ('created_at', models.DateTimeField(db_index=True, default=django.utils.timezone.now)),
+                ('parent_payment', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, related_name='subscriptions', to='gopay.gopaypayment')),
+            ],
+        ),
+    ]

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()

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

@@ -0,0 +1,39 @@
+# Generated by Django 5.2.9 on 2025-12-14 02:23
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='ZasilkovnaPacket',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('state', models.CharField(choices=[('WAITING_FOR_ORDERING_SHIPMENT', 'cz#Čeká na objednání zásilkovny'), ('PENDING', 'cz#Podáno'), ('SENDED', 'cz#Odesláno'), ('ARRIVED', 'cz#Doručeno'), ('CANCELED', 'cz#Zrušeno'), ('RETURNING', 'cz#Posláno zpátky'), ('RETURNED', 'cz#Vráceno')], default='PENDING', max_length=35)),
+                ('addressId', models.IntegerField(blank=True, help_text='ID adresy/pointu, ve Widgetu zásilkovny který si vybere uživatel.', null=True)),
+                ('packet_id', models.IntegerField(blank=True, help_text='Číslo zásilky v Packetě (vraceno od API od Packety)', null=True)),
+                ('barcode', models.CharField(blank=True, help_text='Čárový kód zásilky od Packety', max_length=64, null=True)),
+                ('weight', models.IntegerField(default=0, help_text='Hmotnost zásilky v gramech')),
+                ('return_routing', models.JSONField(blank=True, default=list, help_text='Seznam 2 routing stringů pro vrácení zásilky', null=True)),
+                ('size_of_pdf', models.CharField(choices=[('A6 on A6', '105x148 mm (A6) label on a page of the same size'), ('A7 on A7', '105x74 mm (A7) label on a page of the same size'), ('A6 on A4', '105x148 mm (A6) label on a page of size 210x297 mm (A4)'), ('A7 on A4', '105x74 mm (A7) label on a page of size 210x297 mm (A4)'), ('A8 on A8', '50x74 mm (A8) label on a page of the same size')], default='A6 on A6', max_length=20)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='ZasilkovnaShipment',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('created_at', models.DateTimeField(auto_now_add=True)),
+                ('shipment_id', models.CharField(editable=False, help_text='ID zásilky v Packetě', max_length=255, unique=True)),
+                ('barcode', models.CharField(help_text='Čárový kód zásilky v Packetě (format: )', max_length=64, validators=[django.core.validators.RegexValidator('D-***-XM-<id>', message='Neplatný formát čárového kódu.')])),
+                ('packets', models.ManyToManyField(help_text='Seznam zásilek v této zásilce (packet_id)', related_name='shipments', to='zasilkovna.zasilkovnapacket')),
+            ],
+        ),
+    ]

backend/thirdparty/zasilkovna/models.py

@@ -43,7 +43,7 @@ class ZasilkovnaPacket(models.Model):
 
         RETURNING = "RETURNING", "cz#Posláno zpátky"
         RETURNED = "RETURNED", "cz#Vráceno"
-    state = models.CharField(max_length=20, choices=STATE.choices, default=STATE.PENDING)
+    state = models.CharField(max_length=35, choices=STATE.choices, default=STATE.PENDING)
 
     # ------- API -------
     # https://client.packeta.com/cs/senders  (admin rozhraní)

backend/thirdparty/zasilkovna/serializers.py

@@ -35,7 +35,10 @@ class TrackingURLSerializer(serializers.Serializer):
 # -- SHIPMENT --
 
 class ZasilkovnaShipmentSerializer(serializers.ModelSerializer):
-	packets = serializers.PrimaryKeyRelatedField(many=True)
+	packets = serializers.PrimaryKeyRelatedField(
+		many=True,
+		queryset=ZasilkovnaPacket.objects.all()	
+	)
 
 	class Meta:
 		model = ZasilkovnaShipment

backend/thirdparty/zasilkovna/views.py

@@ -5,7 +5,7 @@ from django.template import loader
 
 from drf_spectacular.utils import extend_schema, extend_schema_view, OpenApiResponse, OpenApiParameter, OpenApiTypes
 
-from backend.configuration.models import SiteConfiguration
+from configuration.models import SiteConfiguration
 
 from .models import ZasilkovnaShipment, ZasilkovnaPacket
 from .serializers import (