from sqlalchemy import Column, String, Integer
from sqlalchemy.orm import relationship

from models.common.base import BaseModel


class contour(BaseModel):
    """
    description: Technological infrastructure contours.
    """
    __tablename__ = "tcc_contours"
    _s_collection_name = "contours"
    _s_class_name = "contours"
    exclude_rels = ["vcenter", "pcentral"]

    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
    name = Column(String(64), unique=True, index=True, nullable=False)
    description = Column(String(255))

    vcenter = relationship("vcenter", back_populates="contour")
    pcentral = relationship("pcentral", back_populates="contour")