from sqlalchemy import Column, Integer, String, Text, DateTime, ForeignKey
from sqlalchemy.sql import func
from app.database.database import Base


class Project(Base):
    """项目模型"""
    __tablename__ = "projects"
    
    id = Column(Integer, primary_key=True, index=True)
    name = Column(String(100), nullable=False)
    description = Column(Text)
    created_by = Column(Integer, ForeignKey("users.id"), nullable=False)
    department = Column(String(50), nullable=False)
    budget = Column(Integer)
    start_date = Column(DateTime(timezone=True))
    end_date = Column(DateTime(timezone=True))
    status = Column(String(20), default="pending")
    created_at = Column(DateTime(timezone=True), server_default=func.now())
    updated_at = Column(DateTime(timezone=True), onupdate=func.now())