from datetime import datetime

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

from models.common.base import BaseModel


class frame(BaseModel):
    __tablename__ = "tvrc_frames"
    _s_collection_name = "frames"
    http_methods = {"get", "post", "delete"}

    id = Column(Integer, primary_key=True, autoincrement=True, index=True)
    timestamp = Column(
        DateTime,
        default=datetime.utcnow,
        onupdate=datetime.utcnow
    )

    capacity = relationship(
        "capacity",
        backref="frame",
        cascade="save-update, delete"
    )