Add Dog model

models/dog.py

@@ -1,9 +1,7 @@
-from sqlalchemy import Column, String, Integer, Boolean, DateTime, ForeignKey
-from sqlalchemy.orm import relationship
+from sqlalchemy import Column, String, Integer, Boolean, DateTime
 from sqlalchemy.sql import func
 from core.database import Base
 import uuid
-from datetime import datetime
 
 class Dog(Base):
     __tablename__ = "dogs"
@@ -12,11 +10,9 @@ class Dog(Base):
     breed = Column(String, nullable=False)
     age = Column(Integer)
     color = Column(String)
-    weight = Column(Float)
+    weight = Column(Integer)
     is_vaccinated = Column(Boolean, default=False)
-    microchip_number = Column(String, unique=True)
-    gender = Column(String)
-    is_neutered = Column(Boolean, default=False)
-    description = Column(String)
+    owner_name = Column(String)
+    owner_contact = Column(String)
     created_at = Column(DateTime, default=func.now())
     updated_at = Column(DateTime, default=func.now(), onupdate=func.now())