"""Coach availability in 30-minute time blocks for One on One sessions."""
from app.extensions import db
from app.models.availability.base import BaseAvailability


class CoachAvailability(BaseAvailability):
    """Coach availability in 30-minute blocks for One on One sessions."""
    __tablename__ = 'coach_availabilities'
    id = db.Column(db.Integer, primary_key=True)
    coach_id = db.Column(db.Integer, db.ForeignKey('users.id'), nullable=False)

    coach = db.relationship('User', backref='coach_availabilities')