refactor: rename apply_event to apply

domain/framework/entity.py

@@ -8,8 +8,10 @@ from domain.marketplace.domain_event import DomainEvent
 class Entity(ABC):
     _changes: tuple[DomainEvent, ...] = ()
 
-    def apply_event(self, event: DomainEvent) -> Self:
-        return replace(self, _changes=(*self._changes, event))
+    def apply(self, event: DomainEvent) -> Self:
+        result = self.when(event)
+        result._ensure_valid_state()
+        return replace(result, _changes=(*result._changes, event))
 
     def get_changes(self) -> tuple[DomainEvent, ...]:
         return self._changes

domain/marketplace/classified_ad.py

@@ -57,27 +57,27 @@ class ClassifiedAd(Entity):
         self._ensure_valid_state()
 
         updated = replace(self, state=ClassifiedAdState.PendingReview)
-        return updated.apply_event(
+        return updated.apply(
             ClassifiedAdSentForReview(id=self.id.value)
         )
 
     def set_title(self, title: ClassifiedAdTitle) -> ClassifiedAd:
         updated = replace(self, title=title)
         updated._ensure_valid_state()
-        return updated.apply_event(
+        return updated.apply(
             ClassifiedAdTitleChanged(id=self.id.value, title=title.title)
         )
 
     def update_text(self, text: ClassifiedAdText) -> ClassifiedAd:
         updated = replace(self, text=text)
         updated._ensure_valid_state()
-        return updated.apply_event(
+        return updated.apply(
             ClassifiedAdTextUpdated(id=self.id.value, ad_text=text.text)
         )
 
     def update_price(self, price: Price) -> ClassifiedAd:
         updated = replace(self, price=price)
         updated._ensure_valid_state()
-        return updated.apply_event(
+        return updated.apply(
             ClassifiedAdPriceUpdated(id=self.id.value, price=price.amount)
         )