[ADD] product_kits: new module for creating and selling product kits

product_kits/__init__.py

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+from . import models
+from . import wizard

product_kits/__manifest__.py

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+{
+    'name': 'Product Kits',
+    'version': '1.0',
+    'depends': ['base', 'sale_management'],
+    'author': 'Aryan Donga (ardo)',
+    'description': 'Simple module to create and sell product kits',
+    'application': False,
+    'installable': True,
+    'license': 'LGPL-3',
+    'data': [
+        'security/ir.model.access.csv',
+        'report/sale_order_report.xml',
+        'report/report_invoice.xml',
+        'report/sale_order_portal_view.xml',
+        'views/product_template_views.xml',
+        'wizard/product_kit_wizard_views.xml',
+        'views/sale_order_views.xml'
+    ],
+}

product_kits/models/__init__.py

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+from . import product_template
+from . import sale_order_line
+from . import sale_order

product_kits/models/product_template.py

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

product_kits/models/sale_order.py

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+from odoo import fields, models
+
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+
+    print_in_report = fields.Boolean(string='Print in report')

product_kits/models/sale_order_line.py

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+from odoo import api, fields, models
+
+
+class SaleOrderLine(models.Model):
+    _inherit = 'sale.order.line'
+
+    is_kit = fields.Boolean(compute='_compute_is_kit', store=True)
+    parent_kit_line_id = fields.Many2one(
+        comodel_name='sale.order.line',
+        string='Parent Kit Line',
+        ondelete='cascade',
+        index=True,
+    )
+
+    # Optional fields for sub-products
+    sub_product_line_ids = fields.One2many(
+        comodel_name='sale.order.line',
+        inverse_name='parent_kit_line_id',
+        string='Sub Product Lines',
+        copy=True,
+    )
+    custom_sub_product_price = fields.Float(
+        string='Custom Sub Product Price',
+        help='Overridden price of the sub product line.',
+    )
+
+    @api.depends('product_id')
+    def _compute_is_kit(self):
+        for line in self:
+            line.is_kit = line.product_id.is_kit if line.product_id else False

product_kits/report/report_invoice.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <template id="report_invoice_document_view_kits" inherit_id="account.report_invoice_document">
+        <xpath expr="//tbody[@class='invoice_tbody']/t/tr" position="attributes">
+            <attribute name="t-if">
+                (not any(line.sale_line_ids.mapped('parent_kit_line_id'))) or any(
+                    line.sale_line_ids.mapped('order_id.print_in_report'))
+            </attribute>
+        </xpath>
+    </template>
+</odoo>

product_kits/report/sale_order_portal_view.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <template id="sale_order_portal_content_view_kits" inherit_id="sale.sale_order_portal_content">
+        <xpath expr="//tbody[@class='sale_tbody']/t/tr" position="attributes">
+            <attribute name="t-if">
+                (not line.parent_kit_line_id) or sale_order.print_in_report
+            </attribute>
+        </xpath>
+    </template>
+</odoo>

product_kits/report/sale_order_report.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <template id="report_saleorder_document_view_kits" inherit_id="sale.report_saleorder_document">
+        <xpath expr="//tbody/t/tr" position="attributes">
+            <attribute name="t-if">
+                (not line.parent_kit_line_id) or doc.print_in_report
+            </attribute>
+        </xpath>
+    </template>
+</odoo>

product_kits/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
+product_kits.access_product_kit_wizard,access_product_kit_wizard,product_kits.model_product_kit_wizard,base.group_user,1,1,1,0
+product_kits.access_product_kit_wizard_line,access_product_kit_wizard_line,product_kits.model_product_kit_wizard_line,base.group_user,1,1,1,0

product_kits/views/product_template_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="product_template_form_view_kits" model="ir.ui.view">
+        <field name="name">product.template.form.view.kits</field>
+        <field name="model">product.template</field>
+        <field name="inherit_id" ref="product.product_template_form_view"/>
+        <field name="arch" type="xml">
+            <group name="group_general" position="inside">
+                <field name="is_kit"/>
+                <field name="sub_product_ids" invisible="not is_kit" widget="many2many_tags"
+                       options="{'no_open':True,'no_create':True}"/>
+            </group>
+        </field>
+    </record>
+</odoo>

product_kits/views/sale_order_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="sale_order_form_view_kits" model="ir.ui.view">
+        <field name="name">sale.order.form.view.kits</field>
+        <field name="model">sale.order</field>
+        <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="arch" type="xml">
+            <field name="product_template_id" position="after">
+                <button icon="fa-gears" type="action" name="%(product_kits.action_product_kit_wizard)d"
+                        title="Manage Kit Sub-products"
+                        invisible="(not is_kit) or (state in ['sale', 'cancel'])"/>
+            </field>
+            <xpath expr="//field[@name='order_line']/list/field[@name='product_template_id']" position="attributes">
+                <attribute name="readonly">parent_kit_line_id</attribute>
+            </xpath>
+            <xpath expr="//field[@name='order_line']/list/field[@name='product_uom_qty']" position="attributes">
+                <attribute name="readonly">parent_kit_line_id</attribute>
+            </xpath>
+            <xpath expr="//field[@name='order_line']/list/field[@name='price_unit']" position="attributes">
+                <attribute name="readonly">parent_kit_line_id</attribute>
+            </xpath>
+            <xpath expr="//field[@name='order_line']/list/field[@name='tax_id']" position="attributes">
+                <attribute name="readonly">parent_kit_line_id</attribute>
+            </xpath>
+            <xpath expr="//field[@name='order_line']/list" position="attributes">
+                <attribute name="decoration-info">parent_kit_line_id</attribute>
+            </xpath>
+            <group name="order_details" position="inside">
+                <field name="print_in_report"/>
+            </group>
+        </field>
+    </record>
+</odoo>

product_kits/wizard/__init__.py

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+from . import product_kit_wizard
+from . import product_kit_wizard_line

product_kits/wizard/product_kit_wizard.py

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+from odoo import Command, api, fields, models
+
+
+class ProductKitWizard(models.TransientModel):
+    _name = 'product.kit.wizard'
+    _description = 'Product Kit Wizard to configure sub-products'
+
+    product_name = fields.Char(readonly=True)
+    sale_order_line_id = fields.Many2one(
+        comodel_name='sale.order.line', string='Sale Order Line', required=True
+    )
+    wizard_line_ids = fields.One2many(
+        comodel_name='product.kit.wizard.line',
+        inverse_name='wizard_id',
+        string='Product Kit Wizard Lines',
+        required=True,
+    )
+
+    @api.depends('sale_order_line_id')
+    def _compute_product_name(self):
+        """
+        Compute the product name based on the sale order line.
+        """
+        for wizard in self:
+            if (
+                wizard.sale_order_line_id
+                and wizard.sale_order_line_id.product_template_id
+            ):
+                wizard.product_name = wizard.sale_order_line_id.product_template_id.name
+            else:
+                wizard.product_name = 'UNKNOWN PRODUCT'
+
+    @api.model
+    def default_get(self, field_ids):
+        """
+        Override default_get to set default values for the wizard.
+        Populates the wizard with existing values if available.
+        If no existing values are found, it initializes the wizard with 0 qty
+        """
+        result = super().default_get(field_ids)
+        if self.env.context.get(
+            'active_model'
+        ) == 'sale.order.line' and self.env.context.get('active_id'):
+            so_line = self.env['sale.order.line'].browse(
+                self.env.context.get('active_id')
+            )
+            existing_sub_lines = self.env['sale.order.line'].search([
+                ('parent_kit_line_id', '=', so_line.id)
+            ])
+            sub_products = so_line.product_id.sub_product_ids
+
+            # Use the existing sub-product lines if available
+            # Otherwise, create new lines with 0 qty and default price
+            wizard_lines = []
+            for component in sub_products:
+                component_line = existing_sub_lines.filtered(
+                    lambda x: x.product_id.id == component.id
+                )
+                if component_line:
+                    wizard_lines.append({
+                        'product_id': component_line.product_id.id,
+                        'quantity': component_line.product_uom_qty,
+                        'price': component_line.custom_sub_product_price
+                        or component.lst_price,
+                    })
+                else:
+                    wizard_lines.append({
+                        'product_id': component.id,
+                        'quantity': 0.0,
+                        'price': component.lst_price,
+                    })
+
+            wiz_lines = self.env['product.kit.wizard.line'].create(wizard_lines)
+
+            result.update({
+                'product_name': so_line.product_template_id.name,
+                'sale_order_line_id': so_line.id,
+                'wizard_line_ids': [Command.set(wiz_lines.ids)],
+            })
+        return result
+
+    def save_configuration(self):
+        self.ensure_one()
+        kit_so_line = self.sale_order_line_id
+        kit_price = 0
+        sub_so_lines = kit_so_line.sub_product_line_ids
+        current_sequence = kit_so_line.sequence
+
+        for line in self.wizard_line_ids:
+            sub_product_line = sub_so_lines.filtered(
+                lambda x: x.product_id.id == line.product_id.id
+            )
+            kit_price += line.price * line.quantity
+
+            # If the sub-product line already exists, update it
+            # Otherwise, create a new one
+            if not sub_product_line:
+                self.env['sale.order.line'].create({
+                    'order_id': kit_so_line.order_id.id,
+                    'parent_kit_line_id': kit_so_line.id,
+                    'product_id': line.product_id.id,
+                    'product_uom_qty': line.quantity,
+                    'price_unit': 0,
+                    'custom_sub_product_price': line.price,
+                    'sequence': current_sequence,
+                })
+            else:
+                sub_product_line.write({
+                    'product_uom_qty': line.quantity,
+                    'custom_sub_product_price': line.price,
+                    'price_unit': 0,
+                })
+
+        kit_so_line.write({'price_unit': kit_price})
+        return {'type': 'ir.actions.act_window_close'}

product_kits/wizard/product_kit_wizard_line.py

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+from odoo import fields, models
+
+
+class ProductKitWizardLine(models.TransientModel):
+    _name = 'product.kit.wizard.line'
+    _description = 'Key-Value Line for Product Kit Wizard'
+
+    wizard_id = fields.Many2one(
+        'product.kit.wizard', string='Wizard', ondelete='cascade'
+    )
+    product_id = fields.Many2one(
+        'product.product', string='Product', required=True, ondelete='cascade'
+    )
+    quantity = fields.Float(string='Quantity', required=True)
+    price = fields.Float(string='Price', required=True)

product_kits/wizard/product_kit_wizard_views.xml

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+<?xml version="1.0" encoding="UTF-8" ?>
+<odoo>
+    <record id="action_product_kit_wizard" model="ir.actions.act_window">
+        <field name="name">Configure Sub Products</field>
+        <field name="res_model">product.kit.wizard</field>
+        <field name="view_mode">form</field>
+        <field name="target">new</field>
+    </record>
+
+    <record id="view_product_kit_wizard_form" model="ir.ui.view">
+        <field name="name">product.kit.wizard.form</field>
+        <field name="model">product.kit.wizard</field>
+        <field name="arch" type="xml">
+            <form string="Configure Sub Products">
+                <div>
+                    <h2>
+                        Product Kit: <field decoration-info="1" name="product_name"/>
+                    </h2>
+                </div>
+                <sheet>
+                    <field name="wizard_line_ids" force_save="1">
+                        <list editable="bottom" create="False" delete="False" open_form_view="False">
+                            <field name="product_id" readonly="True"/>
+                            <field name="quantity"/>
+                            <field name="price"/>
+                        </list>
+                    </field>
+                </sheet>
+                <footer>
+                    <button name="save_configuration" string="Confirm" type="object" class="btn btn-primary"/>
+                    <button string="Cancel" class="btn btn-secondary" special="cancel"/>
+                </footer>
+            </form>
+        </field>
+    </record>
+</odoo>