import sqlalchemy
from sqlalchemy import Index, ForeignKey 
from sqlalchemy.ext.declarative import declarative_base
from src.ORM_modules.base import Base
from src.ORM_modules.Event import Event
from sqlalchemy.orm import relationship, backref
from src.ORM_modules.Organisation import Organisation

class Organisation_Events(Base):
    __tablename__ = 'TOrganisation_Events'
 
    #OEID = sqlalchemy.Column(sqlalchemy.Integer, primary_key=True, nullable=False)
    FK_EID = sqlalchemy.Column(sqlalchemy.Integer, ForeignKey("event.EID",onupdate="CASCADE", ondelete="CASCADE"), nullable=False, primary_key=True)
    FK_OID = sqlalchemy.Column(sqlalchemy.Integer, ForeignKey("organisation.OID",onupdate="CASCADE", ondelete="CASCADE"), nullable=False, primary_key=True)
    rrel = relationship(Event, backref=backref("event_assoc"))
    lrel = relationship(Organisation, backref=backref("organisation_assoc"))
    def __repr__(self):
        return ""
    @classmethod
    def getLeftFK(cls):
        return Organisation_Events.FK_OID
    @classmethod
    def getRightFK(cls):
        return Organisation_Events.FK_EID