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[ADD] kit_product_type: implement kit type product and sale order management
- Introduced a new product type Kit via is_kit Boolean field on product.template. - When is_kit is enabled, a Many2many field appears to select sub-products. - On Sales Orders, kit products now show a Add Sub Products button. - Sub-products can be customized (quantity and price) through a wizard. - Confirming the wizard adds sub-products to the order line with unit price and subtotal as 0. - The cost of sub-products is included in the main kit product’s subtotal. - Added `print_in_report` Boolean on sale.order to control printing sub-products in reports/customer preview. - Once the Sales Order is confirmed, the Add Sub Products button is hidden.
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‎kit_product_type/__init__.py‎

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from . import models
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from . import wizard

‎kit_product_type/__manifest__.py‎

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{
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"name": "kit_product_type",
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"depends": ["base", "product", "sale", "sale_management"],
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"data": [
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"views/product_template_view.xml",
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"views/sale_order_view.xml",
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"wizard/sale_order_line_wizard.xml",
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"security/ir.model.access.csv",
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],
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"license": "LGPL-3",
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}

‎kit_product_type/models/__init__.py‎

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from . import product_template
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from . import sale_order
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from . import sales_order_line

‎kit_product_type/models/product_template.py‎

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from odoo import models, fields
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class ProductTemplate(models.Model):
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_inherit = "product.template"
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is_kit = fields.Boolean(string="Is Kit?", default=False)
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sub_products = fields.Many2many("product.product", string="Sub Products")

‎kit_product_type/models/sale_order.py‎

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from odoo import fields, models
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class SaleOrder(models.Model):
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_inherit = "sale.order"
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print_in_report = fields.Boolean(string="Print in Report?")

‎kit_product_type/models/sales_order_line.py‎

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from odoo import api, models, fields
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class SaleOrderLine(models.Model):
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_inherit = "sale.order.line"
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is_kit = fields.Boolean(related="product_template_id.is_kit")
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is_sub_product_ol = fields.Boolean(default=False)
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wizard_price = fields.Float()
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main_order_line_id = fields.Many2one(
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"sale.order.line",
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string="Parent Line",
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ondelete="cascade",
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)
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child_line_ids = fields.One2many(
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"sale.order.line",
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"main_order_line_id",
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string="Child Lines",
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)
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display_price = fields.Float(
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compute="_compute_display_price", inverse="_compute_unit_price"
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)
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display_sub_total = fields.Float(compute="_compute_amount_price")
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@api.depends("price_unit", "is_sub_product_ol")
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def _compute_display_price(self):
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for line in self:
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line.display_price = 0.0 if line.is_sub_product_ol else line.price_unit
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@api.depends("display_price", "price_subtotal", "is_sub_product_ol")
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def _compute_amount_price(self):
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for line in self:
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line.display_sub_total = (
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0.0 if line.is_sub_product_ol else line.price_subtotal
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)
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def _compute_unit_price(self):
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for line in self:
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line.price_unit = line.display_price
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def unlink(self):
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for line in self:
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line.main_order_line_id.price_subtotal -= (
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line.product_uom_qty * line.wizard_price
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)
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return super().unlink()
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def open_sub_product_wizard(self):
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return {
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"name": "Sub Products Wizard",
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"type": "ir.actions.act_window",
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"res_model": "sale.order.line.wizard",
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"view_mode": "form",
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"target": "new",
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"context": {"active_id": self.id},
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}

‎kit_product_type/security/ir.model.access.csv‎

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id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
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access_sale_order_line_wizard,sale.order.line.wizard,model_sale_order_line_wizard,base.group_user,1,1,1,0
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access_sale_order_line_wizard_line,sale.order.line.wizard.line,model_sale_order_line_wizard_line,base.group_user,1,1,1,0

‎kit_product_type/views/product_template_view.xml‎

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<?xml version="1.0"?>
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<odoo>
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<record id="product_template_kit_inherit_view" model="ir.ui.view">
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<field name="name">product.template.inherit.view</field>
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<field name="model">product.template</field>
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<field name="inherit_id" ref="product.product_template_only_form_view"/>
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<field name="arch" type="xml">
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<xpath expr="//page[@name='general_information']//group[@name='group_general']" position="inside">
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<field name="is_kit"/>
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<field name="sub_products" widget="many2many_tags" invisible="not is_kit"/>
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</xpath>
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</field>
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</record>
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<template id="preview_saleorder_custom" inherit_id="sale.sale_order_portal_content">
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<xpath expr="//t[@t-foreach='lines_to_report']/tr" position="attributes">
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<attribute name="t-att-class">'d-none' if (not sale_order.print_in_report and line.is_sub_product_ol) else ''+
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('fw-bold o_line_section' if (line.display_type == 'line_section' or line.product_type == 'combo')
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else 'fst-italic o_line_note' if line.display_type == 'line_note' else '')</attribute>
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</xpath>
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</template>
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<template id="report_saleorder_custom" inherit_id="sale.report_saleorder_document">
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<xpath expr="//t[@t-foreach='lines_to_report']/tr" position="attributes">
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<attribute name="t-att-class">'d-none' if (not doc.print_in_report and line.is_sub_product_ol) else ''</attribute>
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</xpath>
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</template>
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</odoo>

‎kit_product_type/views/sale_order_view.xml‎

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<?xml version="1.0"?>
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<odoo>
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<record id="sale_order_inherit_view_form" model="ir.ui.view">
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<field name="name">Sale.Order.Inherit.View.Form</field>
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<field name="model">sale.order</field>
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<field name="inherit_id" ref="sale.view_order_form"/>
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<field name="arch" type="xml">
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<xpath expr="//sheet//group[@name='sale_header']//group[@name='order_details']" position="inside">
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<field name="print_in_report"/>
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</xpath>
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<xpath expr="//field[@name='product_template_id']" position="after">
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<button name='open_sub_product_wizard' type="object" string="Add Sub-Product" invisible="not is_kit or state=='sale'"/>
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</xpath>
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<xpath expr="//field[@name='order_line']//list//field[@name='product_template_id']" position="attributes">
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<attribute name="readonly">is_sub_product_ol</attribute>
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</xpath>
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<xpath expr="//field[@name='order_line']//list//field[@name='product_uom_qty']" position="attributes">
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<attribute name="readonly">is_sub_product_ol</attribute>
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</xpath>
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<xpath expr="//field[@name='order_line']//list//field[@name='price_unit']" position="attributes">
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<attribute name="readonly">is_sub_product_ol</attribute>
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<attribute name="column_invisible">True</attribute>
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</xpath>
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<xpath expr="//field[@name='order_line']//list//field[@name='price_unit']" position="after">
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<field name="display_price" string="Unit Price"/>
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</xpath>
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<xpath expr="//field[@name='order_line']//list//field[@name='display_price']" position="attributes">
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<attribute name="readonly">is_sub_product_ol</attribute>
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</xpath>
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<xpath expr="//field[@name='order_line']//list//field[@name='price_subtotal']" position="after">
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<field name="display_sub_total" string="Amount"/>
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</xpath>
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<xpath expr="//field[@name='order_line']//list//field[@name='price_subtotal']" position="attributes">
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<attribute name="column_invisible">True</attribute>
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</xpath>
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</field>
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</record>
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</odoo>

‎kit_product_type/wizard/__init__.py‎

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from . import sale_order_line_wizard
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from . import sale_order_line_wizard_lines

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