# -*- python -*-
# -*- coding: utf-8 -*-
import sqlalchemy as sa
from sqlalchemy import orm

from gnuviechadminweb.model import meta

t_menu = \
    sa.Table("menu", meta.metadata,
             sa.Column("id", sa.types.Integer, primary_key=True),
             sa.Column("title", sa.types.String(40), nullable=False),
             sa.Column("controller", sa.types.String(40), nullable=False),
             sa.Column("action", sa.types.String(40), nullable=False)
             )

t_user = \
    sa.Table("user", meta.metadata,
             sa.Column("id", sa.types.Integer, primary_key=True),
             sa.Column("name", sa.types.String(40), nullable=False),
             sa.Column("password", sa.types.String(128), nullable=False)
             )

t_role = \
    sa.Table("role", meta.metadata,
             sa.Column("id", sa.types.Integer, primary_key=True),
             sa.Column("name", sa.types.String(40), nullable=False)
             )

t_menu_role = \
    sa.Table("menu_role", meta.metadata,
             sa.Column("id", sa.types.Integer, primary_key=True),
             sa.Column("menu_id", sa.types.Integer, sa.ForeignKey(t_menu.c.id)),
             sa.Column("role_id", sa.types.Integer, sa.ForeignKey(t_role.c.id))
             )

t_user_role = \
    sa.Table("user_role", meta.metadata,
             sa.Column("id", sa.types.Integer, primary_key=True),
             sa.Column("user_id", sa.types.Integer, sa.ForeignKey(t_user.c.id)),
             sa.Column("role_id", sa.types.Integer, sa.ForeignKey(t_role.c.id))
             )         

class Menu(object):
  @classmethod
  def allowed(cls, user=None):
    menu_q = meta.Session.query(cls)
    return menu_q.all()

class User(object):
  pass

class Role(object):
  pass

orm.mapper(Menu, t_menu, {
    'roles' : orm.relation(Role, secondary = t_menu_role),
    })
orm.mapper(Role, t_role, properties = {
    'users' : orm.relation(User, secondary = t_user_role),
    'menus' : orm.relation(Menu, secondary = t_menu_role),
    })
orm.mapper(User, t_role, properties = {
    'roles' : orm.relation(User, secondary = t_user_role)
    })