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# -*- coding: utf-8 -*-
# © 2016 ACSONE SA/NV (<http://acsone.eu>)
# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
from openerp import api, fields, models
from openerp.tools.translate import _
from openerp.exceptions import ValidationError
class DateRange(models.Model):
_name = "date.range"
_order = "type_name,date_start"
@api.model
def _default_company(self):
return self.env['res.company']._company_default_get('date.range')
name = fields.Char(required=True, translate=True)
date_start = fields.Date(string='Start date', required=True)
date_end = fields.Date(string='End date', required=True)
type_id = fields.Many2one(
comodel_name='date.range.type', string='Type', select=1, required=True)
type_name = fields.Char(
string='Type', related='type_id.name', readonly=True, store=True)
company_id = fields.Many2one(
comodel_name='res.company', string='Company', select=1,
default=_default_company)
active = fields.Boolean(
help="The active field allows you to hide the date range without "
"removing it.", default=True)
_sql_constraints = [
('date_range_uniq', 'unique (name,type_id, company_id)',
'A date range must be unique per company !')]
@api.constrains('type_id', 'date_start', 'date_end', 'company_id')
def _validate_range(self):
for this in self:
start = fields.Date.from_string(this.date_start)
end = fields.Date.from_string(this.date_end)
if start >= end:
raise ValidationError(
_("%s is not a valid range (%s >= %s)") % (
this.name, this.date_start, this.date_end))
if this.type_id.allow_overlap:
continue
# here we use a plain SQL query to benefit of the daterange
# function available in PostgresSQL
# (http://www.postgresql.org/docs/current/static/rangetypes.html)
SQL = """
SELECT
id
FROM
date_range dt
WHERE
DATERANGE(dt.date_start, dt.date_end, '[]') &&
DATERANGE(%s::date, %s::date, '[]')
AND dt.id != %s
AND dt.active
AND dt.company_id = %s
AND dt.type_id=%s;"""
self.env.cr.execute(SQL, (this.date_start,
this.date_end,
this.id,
this.company_id.id or None,
this.type_id.id))
res = self.env.cr.fetchall()
if res:
dt = self.browse(res[0][0])
raise ValidationError(
_("%s overlaps %s") % (this.name, dt.name))
@api.multi
def get_domain(self, field_name):
self.ensure_one()
return [(field_name, '>=', self.date_start),
(field_name, '<=', self.date_end)]