v0.2 - 19 features: comparator, allergies, gamification, shopping list, achievements, stats, profile, share, bottom nav

backend/app/models/__init__.py

@@ -1,5 +1,5 @@
 from app.models.user import User
 from app.models.product import Product
 from app.models.scan import Scan
-
-__all__ = ["User", "Product", "Scan"]
+from app.models.achievement import Achievement, UserAchievement
+from app.models.shopping_list import ShoppingItem

backend/app/models/achievement.py

@@ -0,0 +1,19 @@
+from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Boolean
+from datetime import datetime, timezone
+from app.database import Base
+
+class Achievement(Base):
+    __tablename__ = "achievements"
+    id = Column(Integer, primary_key=True, index=True)
+    code = Column(String, unique=True, nullable=False)
+    name = Column(String, nullable=False)
+    description = Column(String, nullable=False)
+    emoji = Column(String, default="🏆")
+    target = Column(Integer, default=1)  # number needed to unlock
+
+class UserAchievement(Base):
+    __tablename__ = "user_achievements"
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    achievement_id = Column(Integer, ForeignKey("achievements.id"), nullable=False)
+    unlocked_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))

backend/app/models/shopping_list.py

@@ -0,0 +1,12 @@
+from sqlalchemy import Column, Integer, String, DateTime, ForeignKey, Boolean
+from datetime import datetime, timezone
+from app.database import Base
+
+class ShoppingItem(Base):
+    __tablename__ = "shopping_list"
+    id = Column(Integer, primary_key=True, index=True)
+    user_id = Column(Integer, ForeignKey("users.id"), nullable=False)
+    product_name = Column(String, nullable=False)
+    barcode = Column(String, nullable=True)
+    checked = Column(Boolean, default=False)
+    added_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))

backend/app/models/user.py

@@ -1,4 +1,4 @@
-from sqlalchemy import Column, Integer, String, Boolean, DateTime
+from sqlalchemy import Column, Integer, String, Boolean, DateTime, Text
 from datetime import datetime, timezone
 from app.database import Base
 
@@ -9,4 +9,6 @@ class User(Base):
     name = Column(String, nullable=False)
     password_hash = Column(String, nullable=False)
     is_premium = Column(Boolean, default=False)
+    allergies = Column(Text, default="[]")  # JSON array of allergies
+    health_profile = Column(String, default="normal")  # normal, crianca, gestante, diabetico, hipertenso
     created_at = Column(DateTime(timezone=True), default=lambda: datetime.now(timezone.utc))