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