cooperative-market/beesdoo_shift/wizard/holiday.py

from odoo import models, fields, api, _
from odoo.exceptions import ValidationError

class Subscribe(models.TransientModel):
    _name = 'beesdoo.shift.holiday'
    _inherit = 'beesdoo.shift.action_mixin'

    holiday_start_day = fields.Date(string="Start date for the holiday", default=fields.Date.today)
    holiday_end_day = fields.Date(string="End date for the holiday (included)")

    @api.multi
    def holidays(self):
        self = self._check()  # maybe a different group
        status_id = self.env['cooperative.status'].search([('cooperator_id', '=', self.cooperator_id.id)])
        if status_id.holiday_end_time and status_id.holiday_end_time >= status_id.today:
            raise ValidationError(_("You cannot encode new holidays since the previous holidays encoded are not over yet"))
        status_id.sudo().write({'holiday_start_time': self.holiday_start_day, 'holiday_end_time': self.holiday_end_day})
        self.env['beesdoo.shift.shift'].sudo().unsubscribe_from_today([self.cooperator_id.id], today=self.holiday_start_day, end_date=self.holiday_end_day)