feat: set default state to Inactive, optional title/text with defaults, auto-raise ClassifiedAdCreated

domain/marketplace/classified_ad.py

@@ -9,6 +9,7 @@ from domain.marketplace.classified_ad_state import ClassifiedAdState
 from domain.marketplace.classified_ad_text import ClassifiedAdText
 from domain.marketplace.classified_ad_title import ClassifiedAdTitle
 from domain.marketplace.domain_event import (
+    ClassifiedAdCreated,
     ClassifiedAdPriceUpdated,
     ClassifiedAdSentForReview,
     ClassifiedAdTextUpdated,
@@ -26,12 +27,18 @@ from domain.marketplace.user_id import UserId
 class ClassifiedAd(Entity):
     id: ClassifiedAdId
     _ownerId: UserId
-    title: ClassifiedAdTitle
-    text: ClassifiedAdText
+    title: ClassifiedAdTitle = field(default_factory=lambda: ClassifiedAdTitle(title=""))
+    text: ClassifiedAdText = field(default_factory=lambda: ClassifiedAdText(text=""))
     price: Price = field(default_factory=lambda: Price(amount=Decimal("0.00")))
-    state: ClassifiedAdState | None = None
+    state: ClassifiedAdState = ClassifiedAdState.Inactive
     _events: tuple[DomainEvent, ...] = ()
 
+    def __post_init__(self):
+        if not self._events:
+            object.__setattr__(self, '_events', (
+                ClassifiedAdCreated(id=self.id.value, owner_id=self._ownerId.value),
+            ))
+
     def _ensure_valid_state(self):
         errors = []
         if not self.title.title: