system-pri/backend/app/examination_schedule/models.py

38 lines
1.5 KiB
Python

from ..dependencies import db
from ..base.models import Base
class ExaminationSchedule(Base):
__tablename__ = 'examination_schedules'
title = db.Column(db.String(100), unique=True, nullable=False)
mode = db.Column(db.Boolean, default=True, nullable=False) # True - stationary, False - non-stationary
start_date = db.Column(db.DateTime)
end_date = db.Column(db.DateTime)
class Enrollment(Base):
__tablename__ = 'enrollments'
start_date = db.Column(db.DateTime, nullable=False)
end_date = db.Column(db.DateTime, nullable=False)
examination_schedule_id = db.Column(db.Integer, db.ForeignKey('examination_schedules.id'))
examination_schedule = db.relationship('ExaminationSchedule', backref='enrollments')
committee = db.relationship("Committee", uselist=False, backref=db.backref('enrollment', passive_deletes=True))
group_id = db.Column(db.Integer, db.ForeignKey('groups.id'))
class Committee(Base):
__tablename__ = 'committees'
enrollment_id = db.Column(db.Integer, db.ForeignKey('enrollments.id', ondelete='CASCADE'))
members = db.relationship('ProjectSupervisor', secondary='committees_projects_supervisors', backref='committees')
class CommitteeProjectSupervisor(Base):
__tablename__ = 'committees_projects_supervisors'
chairman = db.Column(db.Boolean, default=False, nullable=False)
committee_id = db.Column(db.Integer, db.ForeignKey('committees.id'))
member_id = db.Column(db.Integer, db.ForeignKey('project_supervisors.id'))