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107 lines
4.1 KiB
107 lines
4.1 KiB
# -*- coding: utf-8 -*-
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################################################################################
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#
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# Cybrosys Technologies Pvt. Ltd.
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#
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# Copyright (C) 2023-TODAY Cybrosys Technologies(<https://www.cybrosys.com>).
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# Author: Ajmunnisa KP (odoo@cybrosys.com)
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#
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# You can modify it under the terms of the GNU AFFERO
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# GENERAL PUBLIC LICENSE (AGPL v3), Version 3.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU AFFERO GENERAL PUBLIC LICENSE (AGPL v3) for more details.
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#
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# You should have received a copy of the GNU AFFERO GENERAL PUBLIC LICENSE
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# (AGPL v3) along with this program.
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# If not, see <http://www.gnu.org/licenses/>.
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#
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################################################################################
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from odoo import api, fields, models
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class PurchaseOrderLine(models.Model):
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"""Inherits the purchase.order.line model to include functions to recompute
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discount, total price etc """
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_inherit = 'purchase.order.line'
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discount = fields.Float(string="Discount (%)", help="Vendor's discount "
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"for the product.")
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_sql_constraints = [
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(
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"maximum_discount",
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"CHECK (discount <= 100.0)",
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"Discount must be lower than 100%.",
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)
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]
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@api.depends('product_qty', 'price_unit', 'taxes_id', 'discount')
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def _compute_price_subtotal(self):
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"""
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Overrides the existing _compute_amount function to recompute the prices
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when discount is changed
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"""
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for line in self:
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tax_results = self.env['account.tax']. \
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_compute_taxes([line._convert_to_tax_base_line_dict()])
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totals = list(tax_results['totals'].values())[0]
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amount_untaxed = totals['amount_untaxed']
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amount_tax = totals['amount_tax']
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line.update({
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'price_subtotal': amount_untaxed,
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'price_tax': amount_tax,
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'price_total': amount_untaxed + amount_tax,
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})
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@api.onchange('product_id')
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def _onchange_product_id(self):
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"""
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Compute the discount percentage when the product is changed
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"""
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for line in self:
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for rec in line.product_id.product_tmpl_id.seller_ids:
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if rec.partner_id == self.order_id.partner_id:
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if rec.discount:
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line.write({'discount': rec.discount})
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else:
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if rec.partner_id.default_discount:
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line.update(
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{'discount': rec.partner_id.default_discount})
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else:
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self.write({'discount': None})
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def _prepare_account_move_line(self, move=False):
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"""Method for updating the discount amount in account move line"""
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res = super()._prepare_account_move_line(move=False)
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res.update({'discount': self.discount})
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return res
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def _get_discounted_price(self):
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"""
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Compute the price per unit after applying the discount
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"""
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self.ensure_one()
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if self.discount:
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return self.price_unit * (1 - self.discount / 100)
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return self.price_unit
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def _convert_to_tax_base_line_dict(self):
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"""Overrides the existing _convert_to_tax_base_line_dict method to
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compute the price_unit based on discount. Convert the current record
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to a dictionary in order to use the generic taxes computation method
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defined on account.tax.
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:return: A python dictionary.
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"""
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self.ensure_one()
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return self.env['account.tax']._convert_to_tax_base_line_dict(
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self,
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partner=self.order_id.partner_id,
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currency=self.order_id.currency_id,
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product=self.product_id,
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taxes=self.taxes_id,
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price_unit=self._get_discounted_price(),
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quantity=self.product_qty,
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price_subtotal=self.price_subtotal,
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)
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