Files
Lottery_Project/data/database.py
T

57 lines
1.5 KiB
Python

"""
data/database.py
The base definitions for database access and definition
"""
import os
from dotenv import load_dotenv
from sqlalchemy import create_engine, DateTime, Column, Integer, String
from sqlalchemy.orm import DeclarativeBase, sessionmaker
load_dotenv()
class Base(DeclarativeBase):
pass
class DataAccessLayer:
def __init__(self):
self.engine = None
self.conn_string = os.getenv("DATABASE_URL")
def connect(self):
self.engine = create_engine(self.conn_string)
Base.metadata.create_all(self.engine)
self.Session = sessionmaker(bind=self.engine)
dal = DataAccessLayer()
class PowerballDraw(Base):
__tablename__ = 'powerball_draws'
draw_date: DateTime = Column(DateTime, primary_key=True)
white_ball1: int = Column(Integer)
white_ball2: int = Column(Integer)
white_ball3: int = Column(Integer)
white_ball4: int = Column(Integer)
white_ball5: int = Column(Integer)
powerball: int = Column(Integer)
power_play: int = Column(Integer)
def __repr__(self):
return f"PowerballDraw({self.draw_date=}, {self.white_ball1=}, {self.white_ball2=}, {self.white_ball3=}, " \
f"{self.white_ball4=}, {self.white_ball5=}, {self.powerball=}, {self.power_play=})"
def __str__(self):
return f"{self.draw_date}, [{self.white_ball1} {self.white_ball2} {self.white_ball3} {self.white_ball4} " \
f"{self.white_ball5}], {self.powerball}, {self.power_play if self.power_play else 1}x"