Implement Phase 1: User Authentication & Database (Twitch OAuth, Login Page)

database.py

@@ -0,0 +1,37 @@
+from sqlalchemy import create_engine, Column, Integer, String
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+
+DATABASE_URL = "sqlite:///./multichat.db"
+
+engine = create_engine(DATABASE_URL, connect_args={"check_same_thread": False})
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+class User(Base):
+    __tablename__ = "users"
+
+    id = Column(Integer, primary_key=True, index=True)
+    twitch_id = Column(String, unique=True, index=True)
+    twitch_username = Column(String)
+    # We will store encrypted tokens
+    twitch_access_token = Column(String)
+    twitch_refresh_token = Column(String)
+
+    youtube_id = Column(String, unique=True, index=True, nullable=True)
+    youtube_username = Column(String, nullable=True)
+    youtube_access_token = Column(String, nullable=True)
+    youtube_refresh_token = Column(String, nullable=True)
+
+def get_db():
+    db = SessionLocal()
+    try:
+        yield db
+    finally:
+        db.close()
+
+def create_tables():
+    Base.metadata.create_all(bind=engine)
+
+if __name__ == "__main__":
+    create_tables()