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/commerce/models.py

@@ -15,7 +15,7 @@ from configuration.models import SiteConfiguration
 from thirdparty.zasilkovna.models import ZasilkovnaPacket
 from thirdparty.stripe.models import StripeModel
 
-from .tasks import notify_refund_accepted, notify_order_sended
+from .tasks import notify_refund_accepted, notify_Ready_to_pickup, notify_zasilkovna_sended
 
 #FIXME: přidat soft delete pro všchny modely !!!!
 
@@ -253,18 +253,20 @@ class Carrier(models.Model):
             self.returning = False
             self.save()
 
+            notify_zasilkovna_sended.delay(order=self.orders.first(), user=self.orders.first().user)
+
         elif self.shipping_method == self.SHIPPING.STORE:
             self.state = self.STATE.READY_TO_PICKUP
             self.save()
 
+            notify_Ready_to_pickup.delay(order=self.orders.first(), user=self.orders.first().user)
+
         else:
             raise ValidationError("Tato metoda dopravy nepodporuje objednání přepravy.")
 
         
-        notify_order_sended.delay(order=self.orders.first(), user=self.orders.first().user)
-        
-        #... další logika pro jiné způsoby dopravy
-        #TODO: přidat notifikace uživateli, jak pro zásilkovnu, tak pro vyzvednutí v obchodě!
+        #... další logika pro jiné způsoby dopravy (do budoucna!)
+
 
     def ready_to_pickup(self):
         if self.shipping_method == self.SHIPPING.STORE:
@@ -354,7 +356,7 @@ class DiscountCode(models.Model):
 
 class OrderItem(models.Model):
     order = models.ForeignKey(Order, related_name="items", on_delete=models.CASCADE)
-    product = models.ForeignKey("products.Product", on_delete=models.PROTECT)
+    product = models.ForeignKey("commerce.Product", on_delete=models.PROTECT)
     quantity = models.PositiveIntegerField(default=1)
 
     def get_total_price(self, discounts: list[DiscountCode] = None):
@@ -465,7 +467,7 @@ class Refund(models.Model):
         DAMAGED_PRODUCT = "damaged_product", "cz#Poškozený produkt"
         WRONG_ITEM = "wrong_item", "cz#Špatná položka"
         OTHER = "other", "cz#Jiný důvod"
-    reason_choice = models.CharField(max_length=30, choices=Reason.choices)
+    reason_choice = models.CharField(max_length=40, choices=Reason.choices)
 
     reason_text = models.TextField(blank=True)