from sqlalchemy import Column, Integer, String
from sqlalchemy.orm import relationship
from app.database import Base


class Category(Base):
    """分类模型"""
    __tablename__ = "categories"

    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(100), nullable=False)
    color = Column(String(20), default="#FFB7C5")  # 默认樱花粉
    icon = Column(String(50), default="folder")  # 默认图标

    # 关联关系
    tasks = relationship("Task", back_populates="category")