Pipelinen parannuksia building blockeilla

zipit/loop_runs/baseline_v1/models.py

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+from sqlalchemy import create_engine, Column, Integer, String, Text, Enum, DateTime
+from sqlalchemy.ext.declarative import declarative_base
+from sqlalchemy.orm import sessionmaker
+from datetime import datetime
+
+DATABASE_URL = "sqlite:///./todos.db"
+engine = create_engine(DATABASE_URL)
+SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
+Base = declarative_base()
+
+class TodoStatus(Enum):
+    completed = 'completed'
+    pending = 'pending'
+
+class Todo(Base):
+    __tablename__ = "todos"
+    id = Column(Integer, primary_key=True, index=True)
+    title = Column(String(255), nullable=False)
+    description = Column(Text, nullable=True)
+    status = Column(Enum(TodoStatus), default=TodoStatus.pending)
+    created_at = Column(DateTime, default=datetime.utcnow)
+
+Base.metadata.create_all(bind=engine)