GOLEM/golem_activity_session_place/models/golem_activity_session.py

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# -*- coding: utf-8 -*-
# copyright 2016 fabien bourgeois <fabien@yaltik.com>
#
# this program is free software: you can redistribute it and/or modify
# it under the terms of the gnu affero general public license as
# published by the free software foundation, either version 3 of the
# license, or (at your option) any later version.
#
# this program is distributed in the hope that it will be useful,
# but without any warranty; without even the implied warranty of
# merchantability or fitness for a particular purpose. see the
# gnu affero general public license for more details.
#
# you should have received a copy of the gnu affero general public license
# along with this program. if not, see <http://www.gnu.org/licenses/>.
from openerp import models, fields, api, _
class GolemActivitySession(models.Model):
_inherit = 'golem.activity.session'
places_min = fields.Integer('Minimum places', default=0,
help='Minimum places to maintain the session')
is_overbooked = fields.Boolean('Allow overbook?', default=False)
places_overbooked = fields.Integer('Places with overbook', default=0)
@api.one
@api.depends('places', 'is_overbooked', 'places_overbooked',
'activity_session_registration_ids')
def _compute_places_remain(self):
used = len(self.activity_session_registration_ids)
if not self.is_overbooked:
self.places_remain = self.places - used
else:
self.places_remain = self.places_overbooked - used
@api.onchange('is_overbooked', 'places')
def onchange_is_overbooked(self):
for s in self:
if s.places and s.is_overbooked:
if not s.places_overbooked or (s.places_overbooked < s.places):
s.places_overbooked = s.places + 1
@api.constrains('places', 'places_overbooked')
def _check_places(self):
""" Check integers are signed and overbooked to be superior than
normal places """
for v in self:
for f in ['places', 'places_overbooked']:
if v[f] < 0:
emsg = _('Number of places cannot be negative.')
raise models.ValidationError(emsg)
if v.is_overbooked and (v.places_overbooked <= v.places):
emsg = _('Overbooked places cannot be inferior than places')
raise models.ValidationError(emsg)