92 lines
4.1 KiB
Python
92 lines
4.1 KiB
Python
# -*- coding: utf-8 -*-
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from odoo import fields, models, api, _
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from odoo.exceptions import UserError
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from lxml import html
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class Invoice(models.Model):
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_inherit = "account.invoice"
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dealer_discount = fields.Boolean("Add Dealer Discount", readonly=True, states={'draft': [('readonly', False)]},)
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dealer_discount_type = fields.Selection([('fixed','Fixed'),('percentage','Percentage')],
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"Discount Type", readonly=True, states={'draft': [('readonly', False)]}, default='fixed')
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dealer_discount_amount = fields.Float("Discount Amount", readonly=True, states={'draft': [('readonly', False)]},)
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dealer_discount_percentage = fields.Float("Discount Percentage", readonly=True, states={'draft': [('readonly', False)]},)
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@api.multi
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def _dealer_discount_unset(self):
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if self.env.user.company_id.invoice_dealer_discount_product_id:
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self.env['account.invoice.line'].search([('invoice_id', 'in', self.ids), ('product_id', '=', self.env.user.company_id.invoice_dealer_discount_product_id.id)]).unlink()
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@api.multi
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def create_dealer_discount(self):
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InvoiceLine = self.env['account.invoice.line']
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discount_product_id = self.env.user.company_id.invoice_dealer_discount_product_id
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if not discount_product_id:
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raise UserError(_('Please set Invoice Dealer Discount product in General Settings first.'))
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# Remove Discount line first
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self._dealer_discount_unset()
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account_id = discount_product_id.property_account_income_id.id
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if not account_id:
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prop = self.env['ir.property'].get('property_account_income_categ_id', 'product.category')
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account_id = prop and prop.id or False
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for invoice in self:
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amount = 0
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if discount_product_id.product_description:
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discount_text = html.fromstring(discount_product_id.product_description).text_content()
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else:
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discount_text = discount_product_id.name
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# if invoice.dealer_discount_type == 'fixed':
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# amount = invoice.dealer_discount_amount
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# if invoice.dealer_discount_type == 'percentage':
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# amount = (invoice.amount_total * invoice.dealer_discount_percentage)/100
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if invoice.dealer_discount_type == 'fixed':
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amount = invoice.dealer_discount_amount
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else:
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sep = "; "
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discount_text = "-" + str(invoice.dealer_discount_percentage) + "% " + discount_text + ", "
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discount_pos = ""
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n=0
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nd=0
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for line in invoice.invoice_line_ids:
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n += 1
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if not line.product_id.product_tmpl_id.material_type_id.no_dealer_discount:
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nd += 1
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amount += (line.price_subtotal * invoice.dealer_discount_percentage)/100
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discount_pos += str(n)+sep
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if nd>1:
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discount_text = discount_text + "Positionen: "
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else:
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discount_text = discount_text + "Position: "
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discount_text = discount_text + discount_pos.rstrip(sep)
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# Apply fiscal position
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taxes = discount_product_id.taxes_id.filtered(lambda t: t.company_id.id == invoice.company_id.id)
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taxes_ids = taxes.ids
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if invoice.partner_id and self.fiscal_position_id:
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taxes_ids = self.fiscal_position_id.map_tax(taxes, discount_product_id, invoice.partner_id).ids
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if amount > 0:
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# Create the Invoice line
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InvoiceLine.create({
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'name': discount_text,
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'price_unit': -amount,
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'account_id': account_id,
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'quantity': 1.0,
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'discount': 0.0,
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'uom_id': discount_product_id.uom_id.id,
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'product_id': discount_product_id.id,
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'invoice_id': invoice.id,
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'invoice_line_tax_ids': [(6, 0, taxes_ids)],
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'sequence': 99999,
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})
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return True
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