pythonProject2/database.py - lab4 - Pepegator/task-api

pythonProject2/database.py
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Pol136
add rabbitmq
30 дек 2025, 17:44
30 дек 2025, 17:447c8d717
from sqlalchemy import create_engine, Column, Integer, String, DateTime, ForeignKey, JSON, Text, Boolean
from sqlalchemy.ext.declarative import declarative_base
from sqlalchemy.orm import sessionmaker, relationship
from datetime import datetime

from config import settings

engine = create_engine(
    settings.database_url,
    connect_args={"check_same_thread": False} if "sqlite" in settings.database_url else {}
)

SessionLocal = sessionmaker(autocommit=False, autoflush=False, bind=engine)
Base = declarative_base()

def get_db():
    db = SessionLocal()
    try:
        yield db
    finally:
        db.close()

class User(Base):
    __tablename__ = "users"

    id = Column(Integer, primary_key=True, index=True)
    username = Column(String(50), unique=True, index=True)
    email = Column(String(100), unique=True, index=True)
    hashed_password = Column(String(255))
    is_active = Column(Boolean, default=True)
    created_at = Column(DateTime, default=datetime.utcnow)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)

    tasks = relationship("Task", back_populates="owner", cascade="all, delete-orphan")

class Task(Base):
    __tablename__ = "tasks"

    id = Column(Integer, primary_key=True, index=True)
    owner_id = Column(Integer, ForeignKey("users.id"), index=True)
    title = Column(String(200), index=True)
    description = Column(Text, nullable=True)
    status = Column(String(20), default="todo", index=True)
    priority = Column(String(20), default="medium")
    created_at = Column(DateTime, default=datetime.utcnow)
    updated_at = Column(DateTime, default=datetime.utcnow, onupdate=datetime.utcnow)
    completed_at = Column(DateTime, nullable=True)

    owner = relationship("User", back_populates="tasks")


class ProcessedRequest(Base):
    __tablename__ = "processed_requests"

    id = Column(String(36), primary_key=True)
    response_data = Column(JSON)
    status_code = Column(Integer)
    created_at = Column(DateTime, default=datetime.utcnow, index=True)
    expires_at = Column(DateTime, index=True)  # Для TTL


class MessageError(Base):
    __tablename__ = "message_errors"

    id = Column(Integer, primary_key=True, index=True)
    request_id = Column(String(36), index=True)
    error_type = Column(String(50))
    error_message = Column(Text)
    retry_count = Column(Integer, default=0)
    sent_to_dlq = Column(Boolean, default=False)
    created_at = Column(DateTime, default=datetime.utcnow, index=True)