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diff --git a/addons/sale_management/models/sale_order_template.py b/addons/sale_management/models/sale_order_template.py
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+++ b/addons/sale_management/models/sale_order_template.py
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+# -*- coding: utf-8 -*-
+# Part of Odoo. See LICENSE file for full copyright and licensing details.
+
+from odoo import api, fields, models, _
+from odoo.exceptions import UserError, ValidationError
+
+
+class SaleOrderTemplate(models.Model):
+    _name = "sale.order.template"
+    _description = "Quotation Template"
+
+    def _get_default_require_signature(self):
+        return self.env.company.portal_confirmation_sign
+
+    def _get_default_require_payment(self):
+        return self.env.company.portal_confirmation_pay
+
+    name = fields.Char('Quotation Template', required=True)
+    sale_order_template_line_ids = fields.One2many('sale.order.template.line', 'sale_order_template_id', 'Lines', copy=True)
+    note = fields.Text('Terms and conditions', translate=True)
+    sale_order_template_option_ids = fields.One2many('sale.order.template.option', 'sale_order_template_id', 'Optional Products', copy=True)
+    number_of_days = fields.Integer('Quotation Duration',
+        help='Number of days for the validity date computation of the quotation')
+    require_signature = fields.Boolean('Online Signature', default=_get_default_require_signature, help='Request a online signature to the customer in order to confirm orders automatically.')
+    require_payment = fields.Boolean('Online Payment', default=_get_default_require_payment, help='Request an online payment to the customer in order to confirm orders automatically.')
+    mail_template_id = fields.Many2one(
+        'mail.template', 'Confirmation Mail',
+        domain=[('model', '=', 'sale.order')],
+        help="This e-mail template will be sent on confirmation. Leave empty to send nothing.")
+    active = fields.Boolean(default=True, help="If unchecked, it will allow you to hide the quotation template without removing it.")
+    company_id = fields.Many2one('res.company', string='Company')
+
+    @api.constrains('company_id', 'sale_order_template_line_ids', 'sale_order_template_option_ids')
+    def _check_company_id(self):
+        for template in self:
+            companies = template.mapped('sale_order_template_line_ids.product_id.company_id') | template.mapped('sale_order_template_option_ids.product_id.company_id')
+            if len(companies) > 1:
+                raise ValidationError(_("Your template cannot contain products from multiple companies."))
+            elif companies and companies != template.company_id:
+                raise ValidationError(_(
+                    "Your template contains products from company %(product_company)s whereas your template belongs to company %(template_company)s. \n Please change the company of your template or remove the products from other companies.",
+                    product_company=', '.join(companies.mapped('display_name')),
+                    template_company=template.company_id.display_name,
+                ))
+
+    @api.onchange('sale_order_template_line_ids', 'sale_order_template_option_ids')
+    def _onchange_template_line_ids(self):
+        companies = self.mapped('sale_order_template_option_ids.product_id.company_id') | self.mapped('sale_order_template_line_ids.product_id.company_id')
+        if companies and self.company_id not in companies:
+            self.company_id = companies[0]
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        records = super(SaleOrderTemplate, self).create(vals_list)
+        records._update_product_translations()
+        return records
+
+    def write(self, vals):
+        if 'active' in vals and not vals.get('active'):
+            companies = self.env['res.company'].sudo().search([('sale_order_template_id', 'in', self.ids)])
+            companies.sale_order_template_id = None
+        result = super(SaleOrderTemplate, self).write(vals)
+        self._update_product_translations()
+        return result
+
+    def _update_product_translations(self):
+        languages = self.env['res.lang'].search([('active', '=', 'true')])
+        for lang in languages:
+            for line in self.sale_order_template_line_ids:
+                if line.name == line.product_id.get_product_multiline_description_sale():
+                    self.create_or_update_translations(model_name='sale.order.template.line,name', lang_code=lang.code,
+                                                       res_id=line.id,src=line.name,
+                                                       value=line.product_id.with_context(lang=lang.code).get_product_multiline_description_sale())
+            for option in self.sale_order_template_option_ids:
+                if option.name == option.product_id.get_product_multiline_description_sale():
+                    self.create_or_update_translations(model_name='sale.order.template.option,name', lang_code=lang.code,
+                                                       res_id=option.id,src=option.name,
+                                                       value=option.product_id.with_context(lang=lang.code).get_product_multiline_description_sale())
+
+    def create_or_update_translations(self, model_name, lang_code, res_id, src, value):
+        data = {
+            'type': 'model',
+            'name': model_name,
+            'lang': lang_code,
+            'res_id': res_id,
+            'src': src,
+            'value': value,
+            'state': 'inprogress',
+        }
+        existing_trans = self.env['ir.translation'].search([('name', '=', model_name),
+                                                            ('res_id', '=', res_id),
+                                                            ('lang', '=', lang_code)])
+        if not existing_trans:
+            self.env['ir.translation'].create(data)
+        else:
+            existing_trans.write(data)
+
+
+
+class SaleOrderTemplateLine(models.Model):
+    _name = "sale.order.template.line"
+    _description = "Quotation Template Line"
+    _order = 'sale_order_template_id, sequence, id'
+
+    sequence = fields.Integer('Sequence', help="Gives the sequence order when displaying a list of sale quote lines.",
+        default=10)
+    sale_order_template_id = fields.Many2one(
+        'sale.order.template', 'Quotation Template Reference',
+        required=True, ondelete='cascade', index=True)
+    company_id = fields.Many2one('res.company', related='sale_order_template_id.company_id', store=True, index=True)
+    name = fields.Text('Description', required=True, translate=True)
+    product_id = fields.Many2one(
+        'product.product', 'Product', check_company=True,
+        domain=[('sale_ok', '=', True)])
+    product_uom_qty = fields.Float('Quantity', required=True, digits='Product Unit of Measure', default=1)
+    product_uom_id = fields.Many2one('uom.uom', 'Unit of Measure', domain="[('category_id', '=', product_uom_category_id)]")
+    product_uom_category_id = fields.Many2one(related='product_id.uom_id.category_id', readonly=True)
+
+    display_type = fields.Selection([
+        ('line_section', "Section"),
+        ('line_note', "Note")], default=False, help="Technical field for UX purpose.")
+
+    @api.onchange('product_id')
+    def _onchange_product_id(self):
+        self.ensure_one()
+        if self.product_id:
+            self.product_uom_id = self.product_id.uom_id.id
+            self.name = self.product_id.get_product_multiline_description_sale()
+
+    @api.model
+    def create(self, values):
+        if values.get('display_type', self.default_get(['display_type'])['display_type']):
+            values.update(product_id=False, product_uom_qty=0, product_uom_id=False)
+        return super(SaleOrderTemplateLine, self).create(values)
+
+    def write(self, values):
+        if 'display_type' in values and self.filtered(lambda line: line.display_type != values.get('display_type')):
+            raise UserError(_("You cannot change the type of a sale quote line. Instead you should delete the current line and create a new line of the proper type."))
+        return super(SaleOrderTemplateLine, self).write(values)
+
+    _sql_constraints = [
+        ('accountable_product_id_required',
+            "CHECK(display_type IS NOT NULL OR (product_id IS NOT NULL AND product_uom_id IS NOT NULL))",
+            "Missing required product and UoM on accountable sale quote line."),
+
+        ('non_accountable_fields_null',
+            "CHECK(display_type IS NULL OR (product_id IS NULL AND product_uom_qty = 0 AND product_uom_id IS NULL))",
+            "Forbidden product, unit price, quantity, and UoM on non-accountable sale quote line"),
+    ]
+
+
+class SaleOrderTemplateOption(models.Model):
+    _name = "sale.order.template.option"
+    _description = "Quotation Template Option"
+    _check_company_auto = True
+
+    sale_order_template_id = fields.Many2one('sale.order.template', 'Quotation Template Reference', ondelete='cascade',
+        index=True, required=True)
+    company_id = fields.Many2one('res.company', related='sale_order_template_id.company_id', store=True, index=True)
+    name = fields.Text('Description', required=True, translate=True)
+    product_id = fields.Many2one(
+        'product.product', 'Product', domain=[('sale_ok', '=', True)],
+        required=True, check_company=True)
+    uom_id = fields.Many2one('uom.uom', 'Unit of Measure ', required=True, domain="[('category_id', '=', product_uom_category_id)]")
+    product_uom_category_id = fields.Many2one(related='product_id.uom_id.category_id', readonly=True)
+    quantity = fields.Float('Quantity', required=True, digits='Product Unit of Measure', default=1)
+
+    @api.onchange('product_id')
+    def _onchange_product_id(self):
+        if not self.product_id:
+            return
+        self.uom_id = self.product_id.uom_id
+        self.name = self.product_id.get_product_multiline_description_sale()