updated first commit

app/models/group.py

@@ -0,0 +1,48 @@
+"""
+Group model for managing collections of players
+"""
+
+from app.extensions import db
+
+# Association table for many-to-many relationship between Group and Player
+group_player = db.Table('group_player',
+    db.Column('group_id', db.Integer, db.ForeignKey('group.id'), primary_key=True),
+    db.Column('player_id', db.Integer, db.ForeignKey('player.id'), primary_key=True)
+)
+
+class Group(db.Model):
+    """Group model for managing collections of players"""
+    
+    id = db.Column(db.Integer, primary_key=True)
+    name = db.Column(db.String(100), nullable=False, unique=True, index=True)
+    description = db.Column(db.Text, nullable=True)
+    playlist_version = db.Column(db.Integer, default=0)
+    created_at = db.Column(db.DateTime, default=db.func.current_timestamp())
+    is_active = db.Column(db.Boolean, default=True)
+    
+    # Relationships
+    players = db.relationship('Player', secondary=group_player, backref='groups')
+
+    def increment_playlist_version(self):
+        """Increment playlist version for all players in group"""
+        self.playlist_version += 1
+        for player in self.players:
+            player.increment_playlist_version()
+        db.session.commit()
+
+    @property
+    def player_count(self):
+        """Get the number of players in this group"""
+        return len(self.players)
+
+    def get_content(self):
+        """Get all content from players in this group"""
+        from app.models.content import Content
+        if not self.players:
+            return []
+        
+        player_ids = [player.id for player in self.players]
+        return Content.query.filter(Content.player_id.in_(player_ids)).order_by(Content.position).all()
+
+    def __repr__(self):
+        return f'<Group {self.name} ({self.player_count} players)>'