[ADD] warranty: implemented Warranty Functionality to Sales and Inven…

…tory

After this commit:

- Added warranty configuration model and settings.
- Extended sale order and sale order line models to include warranty fields.
- Implemented warranty wizard for adding warranties to sale orders.
- Created views for managing warranty settings and applying warranties to
  products.
- Added security rules to control access to warranty features.

warranty/__init__.py

@@ -0,0 +1,2 @@
+from . import models
+from . import wizard

warranty/__manifest__.py

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+{
+    'name': 'Product Warranty Management',
+    'version': '1.0',
+    'category': 'Sales',
+    'summary': 'Manage product warranties in sales',
+    'description': """
+    This module adds warranty configuration to products in the sales module.
+    """,
+    'depends': ['stock', 'website_sale', 'sale_management'],
+    'data': [
+        'security/ir.model.access.csv',
+        'wizard/sale_order_warranty_wizard_view.xml',
+        'views/sale_oder_line_view.xml',
+        'views/product_warranty_view.xml',
+        'views/menu.xml',
+        'data/warranty_data.xml'
+    ],
+    'installable': True,
+    'application': False,
+    'license': 'LGPL-3',
+}

warranty/data/warranty_data.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+        <record id="product_warranty1" model="product.warranty">
+            <field name="name">1 Year Warranty</field>
+            <field name="product_id">2</field>
+            <field name="percentage">10</field>
+            <field name='year'>1</field>
+        </record>
+</odoo>

warranty/models/__init__.py

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+from . import product_warranty
+from . import product_template
+from . import sale_order_line

warranty/models/product_template.py

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+from odoo import fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    warranty_available = fields.Boolean(string="Is Warranty Available")

warranty/models/product_warranty.py

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+from odoo import models, fields
+
+
+class ProductWarranty(models.Model):
+    _name = 'product.warranty'
+    _description = 'Product Warranty'
+
+    name = fields.Char(string="Warranty Name", required=True)
+    product_id = fields.Many2one('product.product', string="Product")
+    percentage = fields.Float(string="Percentage")
+    year = fields.Integer(string="Year")

warranty/models/sale_order_line.py

@@ -0,0 +1,16 @@
+from odoo import fields, models
+
+
+class SaleOrderLine(models.Model):
+    _inherit = 'sale.order.line'
+
+    warranty_product_id = fields.Many2one('product.template', string='Warranty')
+
+    def unlink(self):
+        removable_order_lines = self.env['sale.order.line'].search([
+            ('order_id', '=', self.order_id.id),
+            ('warranty_product_id', '=', self.product_template_id.id)
+        ])
+        if removable_order_lines:
+            removable_order_lines.unlink()
+        return super().unlink()

warranty/security/ir.model.access.csv

@@ -0,0 +1,4 @@
+id,name,model_id:id,group_id:id,perm_read,perm_write,perm_create,perm_unlink
+access_product_warranty,access_product_warranty,model_product_warranty,base.group_user,1,1,1,1
+access_product_warranty_wizard,access_product_warranty_wizard,model_sale_order_warranty_wizard,base.group_user,1,1,1,1
+access_warranty_wizard_add_line,access_warranty_wizard_add_line,model_warranty_wizard_add_line,base.group_user,1,1,1,1

warranty/views/menu.xml

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+<odoo>  
+    <menuitem id="menu_warranty_configuration" name="Warranty Configuration"
+              parent="sale.menu_sale_config" sequence="10"
+              action="action_warranty_configuration"/>
+</odoo>

warranty/views/product_warranty_view.xml

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+<odoo>
+    <!-- Warranty Configuration Form View -->
+    <record id="view_product_warranty_form" model="ir.ui.view">
+        <field name="name">product.warranty.form</field>
+        <field name="model">product.warranty</field>
+        <field name="arch" type="xml">
+            <form string="Product Warranty">
+                <sheet>
+                    <group>
+                        <field name="name"/>
+                        <field name="product_id"/>
+                        <field name="percentage"/>
+                        <field name="year"/>
+                    </group>
+                </sheet>
+            </form>
+        </field>
+    </record>
+
+    <!-- Warranty Configuration List View -->
+    <record id="view_product_warranty_tree" model="ir.ui.view">
+        <field name="name">product.warranty.tree</field>
+        <field name="model">product.warranty</field>
+        <field name="arch" type="xml">
+            <tree string="Product Warranties" editable="bottom">
+                <field name="name"/>
+                <field name="product_id"/>
+                <field name="percentage"/>
+                <field name="year"/>
+            </tree>
+        </field>
+    </record>
+
+    <!-- Product Template Form View Extension -->
+    <record id="view_product_form_inherit_warranty" model="ir.ui.view">
+        <field name="name">product.form.inherit.warranty</field>
+        <field name="model">product.template</field>
+        <field name="inherit_id" ref="product.product_template_only_form_view"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='product_template_image_ids']" position="after">
+                <group>
+                    <field name="warranty_available"/>
+                </group>
+            </xpath>
+        </field>
+    </record>   
+
+    <record id="action_warranty_configuration" model="ir.actions.act_window">
+        <field name="name">Warranty Configuration</field>
+        <field name="res_model">product.warranty</field>
+        <field name="view_mode">tree,form</field>
+    </record>
+
+</odoo>

warranty/views/sale_oder_line_view.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+    <record id="view_order_form" model="ir.ui.view">
+        <field name="name">sale.order.form</field>
+        <field name="model">sale.order</field>
+        <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//button[@name='action_open_discount_wizard']" position="before">
+                <button name="%(action_add_warranty)d" string="Add Warranty" type="action" class="oe_highlight"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>

warranty/wizard/__init__.py

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+from . import sale_order_warranty_wizard

warranty/wizard/sale_order_warranty_wizard.py

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+from dateutil.relativedelta import relativedelta
+from odoo import api, fields, models
+
+
+class SaleOrderWarrantyWizard(models.TransientModel):
+    _name = "sale.order.warranty.wizard"
+
+    product_ids = fields.One2many('warranty.wizard.add.line', 'warranty_id')
+
+    @api.model
+    def default_get(self, fields):
+        res = super().default_get(fields)
+        active_id = self.env.context.get("active_id")
+        sale_order = self.env["sale.order"].browse(active_id)
+
+        warranty_lines = self.env['warranty.wizard.add.line'].create([
+            {
+                'product': product.product_template_id.id,
+            }
+            for product in sale_order.order_line
+            if product.product_template_id.warranty_available
+        ])
+
+        res['product_ids'] = [(6, 0, warranty_lines.ids)]
+        return res
+
+    def add_warranty_wizard_action(self):
+        active_id = self.env.context.get('active_id')
+        sale_order = self.env['sale.order'].browse(active_id)
+        for record in self.product_ids:
+            sale_order_line = sale_order.order_line.filtered(
+                lambda line: line.product_template_id == record.product)
+            price = sale_order_line.price_subtotal * (record.year.percentage / 100)
+            vals_to_create = {
+                "name": "Exteded Warranty End Date: " + str(record.end_date),
+                "order_id": sale_order.id,
+                "price_unit": price,
+                "product_id": record.year.product_id.id,
+                "tax_id": None,
+                "warranty_product_id": sale_order_line.product_template_id.id
+            }
+            # self.env["sale.order.line"].create(vals_to_create)
+            sale_order.order_line.create(vals_to_create)
+
+
+class WarrantyWizardAddLine(models.TransientModel):
+    _name = "warranty.wizard.add.line"
+
+    warranty_id = fields.Many2one("sale.order.warranty.wizard")
+    product = fields.Many2one("product.template", string="Product")
+    year = fields.Many2one("product.warranty")
+    end_date = fields.Date(compute="_compute_end_date", store=True)
+
+    @api.depends('year')
+    def _compute_end_date(self):
+        for record in self.year:
+            if record.year:
+                self.end_date = fields.date.today() + relativedelta(years=record.year)

warranty/wizard/sale_order_warranty_wizard_view.xml

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+<odoo>
+
+    <record id='add_warranty_form' model='ir.ui.view'>
+        <field name="name">Add Warranty</field>
+        <field name="model">sale.order.warranty.wizard</field>
+        <field name="arch" type="xml">
+            <form string="Add Warranty">
+                <field name="product_ids">
+                    <tree string="Products" editable="bottom" create='0'>
+                        <field name="product"/>
+                        <field name="year"/>
+                        <field name="end_date"/>
+                    </tree>
+                </field>
+                <footer>
+                    <button name="add_warranty_wizard_action" class="btn btn-primary" string="Add" type="object"/>
+                </footer>
+            </form>
+        </field>
+    </record>
+
+    <record id="action_add_warranty" model="ir.actions.act_window">
+        <field name="name">Add Warranty</field>
+        <field name="res_model">sale.order.warranty.wizard</field>
+        <field name="view_mode">form</field>
+        <field name="view_id" ref="add_warranty_form" />
+        <field name="target">new</field>
+    </record>
+
+</odoo>