feat: add ClassifiedAdId value object and use it in ClassifiedAd

tests/test_classified_ad.py

@@ -4,11 +4,12 @@ from uuid import uuid4
 import pytest
 
 from domain.marketplace.classified_ad import ClassifiedAd
+from domain.marketplace.classified_ad_id import ClassifiedAdId
 from domain.marketplace.user_id import UserId
 
 
 def test_classified_ad_creation():
-    ad_id = uuid4()
+    ad_id = ClassifiedAdId(value=uuid4())
     owner_id = UserId(value=uuid4())
 
     ad = ClassifiedAd(
@@ -28,24 +29,26 @@ def test_classified_ad_creation():
 
 def test_classified_ad_can_not_be_created_without_id():
     with pytest.raises(TypeError):
-        ad = ClassifiedAd(
+        ClassifiedAd(
             _ownerId=UserId(value=uuid4()),
             title="Title",
             text="Text",
             _price=Decimal("10.00"),
         )
 
+
 def test_classified_ad_can_not_be_created_without_owner_id():
     with pytest.raises(TypeError):
-        ad = ClassifiedAd(
-            id=UserId(value=uuid4()),
+        ClassifiedAd(
+            id=ClassifiedAdId(value=uuid4()),
             title="Title",
             text="Text",
             _price=Decimal("10.00"),
         )
 
+
 def test_classified_ad_can_be_created_without_price():
-    ad_id = uuid4()
+    ad_id = ClassifiedAdId(value=uuid4())
     owner_id = UserId(value=uuid4())
 
     ad = ClassifiedAd(
@@ -61,9 +64,10 @@ def test_classified_ad_can_be_created_without_price():
     assert ad.text == "Test text content"
     assert ad._price == Decimal("0.00")
 
+
 def test_classified_ad_is_immutable():
     ad = ClassifiedAd(
-        id=uuid4(),
+        id=ClassifiedAdId(value=uuid4()),
         _ownerId=UserId(value=uuid4()),
         title="Title",
         text="Text",
@@ -78,7 +82,7 @@ def test_classified_ad_is_immutable():
 
 
 def test_classified_ad_equality():
-    ad_id = uuid4()
+    ad_id = ClassifiedAdId(value=uuid4())
     owner_id = UserId(value=uuid4())
 
     ad1 = ClassifiedAd(