models.py

from flask_sqlalchemy import SQLAlchemy
from werkzeug.security import generate_password_hash, check_password_hash
from flask_login import UserMixin
from datetime import datetime, timedelta

db = SQLAlchemy()

class User(UserMixin, db.Model):
    id = db.Column(db.Integer, primary_key=True)
    username = db.Column(db.String(64), unique=True, nullable=False)
    password_hash = db.Column(db.String(255), nullable=False)

    def set_password(self, password):
        self.password_hash = generate_password_hash(password)

    def check_password(self, password):
        return check_password_hash(self.password_hash, password)

class Team(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), unique=True, nullable=False)
    rotation_schedule = db.Column(db.String(64), nullable=True)
    members = db.relationship('Member', backref='team', lazy='dynamic', cascade='all, delete-orphan')

class Member(db.Model):
    id = db.Column(db.Integer, primary_key=True)
    name = db.Column(db.String(64), nullable=False)
    position = db.Column(db.Integer, nullable=False)
    team_id = db.Column(db.Integer, db.ForeignKey('team.id'), nullable=False)