browser-go-api/models/Move.py

from app import db, ma
import enum


class Move(db.Model):
    __tablename__ = "moves"
    __table_args__ = {'extend_existing': True}

    class Players(enum.Enum):
        BLACK = "The player taking black stones"
        WHITE = "The player taking white stones"

    id = db.Column(db.Integer, primary_key=True, autoincrement=True)
    player = db.Column(db.Enum(Players))
    x_point = db.Column(db.Integer)
    y_point = db.Column(db.Integer)
    move_number = db.Column(db.Integer)
    is_pass = db.Column(db.Boolean, nullable=False, default=False)
    is_main = db.Column(db.Boolean, nullable=False, default=True)

    # foreign keys
    game = db.Column(db.Integer, db.ForeignKey("games.id"), nullable=False)
    preceding_move = db.Column(db.Integer, db.ForeignKey("moves.id"))

    succeeding_moves = db.relationship(
        'Move',
        lazy='subquery',
        backref=db.backref('moves', lazy=True)
    )

    def __init__(self):
        pass