[ADD] rental_deposit: implement deposit amount feature for rental products

rental_deposit/__init__.py

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+from . import models

rental_deposit/__manifest__.py

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+{
+    'name': 'Rental Deposit',
+    'version': '1.0',
+    'category': 'Rental',
+    'author': 'rodh',
+    'license': "LGPL-3",
+    'summary': 'Add deposit product functionality for rentals',
+    'depends': ['sale_renting', 'website_sale'],
+    'data': [
+        'views/res_config_settings_views.xml',
+        'views/product_template_views.xml',
+        'views/website_sale_product.xml',
+    ],
+    'installable': True,
+    'auto_install': False,
+    'application': False,
+}

rental_deposit/models/__init__.py

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

rental_deposit/models/product_template.py

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+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = 'product.template'
+
+    require_deposit = fields.Boolean(string="Require Deposit")
+    deposit_amount = fields.Monetary(string="Deposit Amount", currency_field='currency_id')
+
+    @api.onchange('require_deposit')
+    def _onchange_requires_deposit(self):
+        if self.require_deposit:
+            param_obj = self.env['ir.config_parameter'].sudo()
+            deposit_product_id = param_obj.get_param('rental_deposit.deposit_product_id')
+            if deposit_product_id:
+                deposit_product = self.env['product.product'].browse(int(deposit_product_id))
+                if deposit_product:
+                    self.deposit_amount = deposit_product.list_price
+                else:
+                    self.deposit_amount = 0.0
+            else:
+                self.deposit_amount = 0.0
+        else:
+            self.deposit_amount = 0.0
+
+
+class ProductProduct(models.Model):
+    _inherit = 'product.product'
+
+    require_deposit = fields.Boolean(related='product_tmpl_id.require_deposit', readonly=False)
+    deposit_amount = fields.Monetary(related='product_tmpl_id.deposit_amount', currency_field='currency_id', readonly=False)

rental_deposit/models/res_config_settings.py

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+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = 'res.config.settings'
+
+    rental_deposit_product_id = fields.Many2one(
+        'product.product',
+        string='Deposit Product',
+        domain=[('sale_ok', '=', True)],
+        config_parameter='rental_deposit.product_id'
+    )

rental_deposit/models/sale_order.py

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+from odoo import api, models
+
+
+class SaleOrder(models.Model):
+    _inherit = 'sale.order'
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        orders = super().create(vals_list)
+        for order in orders:
+            order._add_deposit_lines()
+        return orders
+
+    def _add_deposit_lines(self):
+        for line in self.order_line:
+            product = line.product_id
+            if product.require_deposit:
+                exists = self.order_line.filtered(
+                    lambda l: l.is_deposit_line and l.product_id == product
+                )
+                if not exists:
+                    self.env['sale.order.line'].create({
+                        'order_id': self.id,
+                        'product_id': product.id,
+                        'name': f"Deposit for {product.display_name}",
+                        'product_uom_qty': line.product_uom_qty,
+                        'price_unit': product.deposit_amount,
+                        'is_deposit_line': True,
+                    })
+
+    def _cart_update(self, product_id=None, line_id=None, add_qty=0, set_qty=0, **kwargs):
+        res = super()._cart_update(product_id=product_id, line_id=line_id, add_qty=add_qty, set_qty=set_qty, **kwargs)
+        self._add_deposit_lines()
+
+        return res

rental_deposit/models/sale_order_line.py

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+from odoo import api, fields, models
+
+
+class SaleOrderLine(models.Model):
+    _inherit = "sale.order.line"
+
+    deposit_amount = fields.Monetary(
+        string="Deposit Amount",
+        compute="_compute_deposit_amount",
+        currency_field="currency_id"
+    )
+    is_deposit_line = fields.Boolean(
+        string="Is Deposit Line",
+        help="Indicates whether this line is for a rental deposit",
+        default=False
+    )
+
+    @api.depends('product_id')
+    def _compute_is_deposit_line(self):
+        for line in self:
+            line.is_deposit_line = line.product_id and line.product_id.is_deposit_product
+
+    def _compute_deposit_amount(self):
+        for line in self:
+            if line.product_id.rent_ok:
+                line.deposit_amount = line.product_id.deposit_amount or (line.price_unit * 0.5)
+            else:
+                line.deposit_amount = 0.0

rental_deposit/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
+access_sale_order_line_deposit,sale.order.line.deposit,model_sale_order_line,,1,1,1,1

rental_deposit/views/product_template_views.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <record id="product_template_inherit" model="ir.ui.view">
+        <field name="name">product.template.inherit</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="//page[@name='pricing']" position="inside">
+                <group name="deposit" string="Deposit">
+                    <field name="require_deposit"/>
+                    <field name="deposit_amount" invisible="not require_deposit"/>
+                </group>
+            </xpath>
+        </field>
+    </record>
+</odoo>

rental_deposit/views/res_config_settings_views.xml

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+<odoo>
+    <record id="rental_res_config_settings_view_form_inherit" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.deposit</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="base.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <setting name="rental_delay_costs" position="inside">
+                <label for="rental_deposit_product_id" class="col-lg-3"/>
+                <field name="rental_deposit_product_id" string="Deposit" widget="many2one" options="{'no_create': True}"/>
+            </setting>
+        </field>
+    </record>
+</odoo>

rental_deposit/views/website_sale_product.xml

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+<?xml version="1.0" encoding="utf-8"?>
+<odoo>
+    <template id="rental_deposit_product" inherit_id="website_sale.product">
+        <xpath expr="//div[@id='o_wsale_cta_wrapper']" position="after">
+            <t t-if="product.rent_ok and product.require_deposit">
+                <div class="mt16 alert alert-info">
+                    <strong>Deposit Required: </strong>
+                    <span t-esc="product.deposit_amount" t-options="{'widget': 'monetary', 'display_currency': website.currency_id}"/>
+                </div>
+            </t>
+        </xpath>
+    </template>
+    <template id="cart_lines_deposit_control" inherit_id="website_sale.cart_lines">
+        <xpath expr="//div[@name='website_sale_cart_line_quantity']" position="replace">
+            <div name="website_sale_cart_line_quantity" class="css_quantity input-group">
+                <a href="#" class="js_add_cart_json btn btn-link border-end-0" aria-label="Remove one">
+                    <i class="fa fa-minus"/>
+                </a>
+                <input type="text" class="js_quantity quantity form-control border-start-0 border-end-0" t-att-data-line-id="line.id" t-att-data-product-id="line.product_id.id" t-att-value="line.product_uom_qty"/>
+                <a href="#" class="js_add_cart_json btn btn-link border-start-0" aria-label="Add one">
+                    <i class="fa fa-plus"/>
+                </a>
+            </div>
+        </xpath>
+        <xpath expr="//a[hasclass('js_delete_product')]" position="attributes">
+            <attribute name="t-if">not line.is_deposit_line</attribute>
+        </xpath>
+    </template>
+</odoo>