2nd

backend/models.py

@@ -24,6 +24,8 @@ class TodoItem(db.Model):
     creator_display_name = db.Column(db.String(128))
     creator_email = db.Column(db.String(256))
     starred = db.Column(db.Boolean, default=False)
+    is_public = db.Column(db.Boolean, default=False)
+    tags = db.Column(JSON, default=list)
     
     # Relationships
     responsible_users = db.relationship('TodoItemResponsible', back_populates='todo', cascade='all, delete-orphan')
@@ -46,6 +48,8 @@ class TodoItem(db.Model):
             'creator_display_name': self.creator_display_name,
             'creator_email': self.creator_email,
             'starred': self.starred,
+            'is_public': self.is_public,
+            'tags': self.tags if self.tags else [],
             'responsible_users': [r.ad_account for r in self.responsible_users],
             'followers': [f.ad_account for f in self.followers]
         }
@@ -87,9 +91,21 @@ class TodoItem(db.Model):
     
     def can_view(self, user_ad):
         """Check if user can view this todo"""
+        # Public todos can be viewed by anyone
+        if self.is_public:
+            return True
+        # Private todos can be viewed by creator, responsible users, and followers
         if self.can_edit(user_ad):
             return True
         return any(f.ad_account == user_ad for f in self.followers)
+    
+    def can_follow(self, user_ad):
+        """Check if user can follow this todo"""
+        # Anyone can follow public todos
+        if self.is_public:
+            return True
+        # For private todos, only creator/responsible can add followers
+        return False
 
 class TodoItemResponsible(db.Model):
     __tablename__ = 'todo_item_responsible'