flectra/addons/account_discount/models/discount_config.py

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# Part of Flectra See LICENSE file for full copyright and licensing details.
from flectra import api, fields, models, _
from flectra.tools.misc import formatLang
class AccountDiscountConfig(models.Model):
_name = 'account.discount.config'
group_id = fields.Many2one('res.groups', 'Groups', required=True)
fix_amount = fields.Float('Fix Amount', required=True)
percentage = fields.Float('Percentage', required=True)
@api.constrains('group_id')
def _check_already_exist(self):
check_name = self.search(
[('id', '!=', self.id),
('group_id.name', '=', self.group_id.name)])
if check_name:
raise ValueError(
_("Assigned group already exist!"))
@api.constrains('fix_amount')
def _check_fix_amount_value(self):
config_id = self.env['res.config.settings'].search(
[], order='id desc', limit=1)
fix_amount = config_id.global_discount_fix_invoice_amount
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if config_id and config_id.global_discount_invoice_apply \
and fix_amount < self.fix_amount:
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raise ValueError(
_("Fix amount (%s) is greater than configuration Amount (%s)!"
) % (formatLang(self.env, self.fix_amount, digits=2),
formatLang(self.env,
config_id.global_discount_fix_invoice_amount,
digits=2)))
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@api.constrains('percentage')
def _check_percentage(self):
if self.percentage < 0 or self.percentage > 100:
raise ValueError(_("Percentage should be between 0% to 100%!"))
config_id = self.env[
'res.config.settings'].search([], order='id desc', limit=1)
percentage = config_id.global_discount_percentage_invoice
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if config_id and config_id.global_discount_invoice_apply \
and percentage < self.percentage:
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raise ValueError(
_("Percentage (%s) is greater than configuration Percentage "
"(%s)!") % (
formatLang(self.env, self.percentage, digits=2),
formatLang(self.env,
config_id.global_discount_percentage_invoice,
digits=2)))