Add DAL and PB draws table to schema

data/database.py

@@ -3,8 +3,54 @@
 
     The base definitions for database access and definition
 """
-from sqlalchemy.orm import DeclarativeBase
+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"
+