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# -*- coding: utf-8 -*-
from odoo.exceptions import ValidationError
from odoo import api, fields, models, _
class AccountFiscalYear(models.Model):
_name = 'account.fiscal.year'
_description = 'Fiscal Year'
name = fields.Char(string='Name', required=True)
date_from = fields.Date(string='Start Date', required=True,
help='Start Date, included in the fiscal year.')
date_to = fields.Date(string='End Date', required=True,
help='Ending Date, included in the fiscal year.')
company_id = fields.Many2one('res.company', string='Company', required=True,
default=lambda self: self.env.company)
@api.constrains('date_from', 'date_to', 'company_id')
def _check_dates(self):
'''
Check interleaving between fiscal years.
There are 3 cases to consider:
s1 s2 e1 e2
( [----)----]
s2 s1 e2 e1
[----(----] )
s1 s2 e2 e1
( [----] )
'''
for fy in self:
# Starting date must be prior to the ending date
date_from = fy.date_from
date_to = fy.date_to
if date_to < date_from:
raise ValidationError(_('The ending date must not be prior to the starting date.'))
domain = [
('id', '!=', fy.id),
('company_id', '=', fy.company_id.id),
'|', '|',
'&', ('date_from', '<=', fy.date_from), ('date_to', '>=', fy.date_from),
'&', ('date_from', '<=', fy.date_to), ('date_to', '>=', fy.date_to),
'&', ('date_from', '<=', fy.date_from), ('date_to', '>=', fy.date_to),
]
if self.search_count(domain) > 0:
raise ValidationError(_('You can not have an overlap between two fiscal years, '
'please correct the start and/or end dates of your fiscal years.'))
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