[ADD] rental_deposit: implement deposit product configuration

rental_deposit/__init__.py

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+from . import models

rental_deposit/__manifest__.py

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+{
+    'name': 'Rental deposit',
+    'author': "keman",
+    'license': 'LGPL-3',
+    'depends': ['sale_renting', 'website_sale'],
+    'data': [
+        'views/res_config_settings_views.xml',
+        'views/product_template_views.xml',
+        'views/website_sale_template_views.xml'
+    ],
+    'assets': {
+        'web.assets_frontend': [
+            'rental_deposit/static/src/js/deposit.js',
+        ],
+    },
+}

rental_deposit/models/__init__.py

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

rental_deposit/models/product_template.py

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+from odoo import fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    require_deposite = fields.Boolean()
+    amount = fields.Float()

rental_deposit/models/res_config_settings.py

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+from odoo import fields, models
+
+
+class ResConfigSettings(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    deposit_product_id = fields.Many2one(
+        "product.product",
+        string="Deposit",
+        config_parameter="rental_deposit.deposit_product_id",
+    )

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"
+
+    is_deposit_line = fields.Boolean(default=False)
+
+    deposit_origin_line_id = fields.Many2one(
+        "sale.order.line",
+        ondelete="cascade",
+    )
+
+    def _get_line_header(self):
+        if self.is_deposit_line and self.name:
+            return self.name
+        return super()._get_line_header()
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        order_lines = super().create(vals_list)
+        for line in order_lines:
+            if (
+                line.product_id.require_deposite
+                and not line.is_deposit_line
+            ):
+                deposit_product_param = (self.env["ir.config_parameter"].sudo().get_param("rental_deposit.deposit_product_id"))
+                if not deposit_product_param:
+                    continue
+                deposit_product_id = int(
+                    deposit_product_param
+                )
+                deposit_amount = line.product_id.amount
+                self.create({
+                    "order_id": line.order_id.id,
+                    "product_id": deposit_product_id,
+                    "product_uom_qty": line.product_uom_qty,
+                    "price_unit": deposit_amount,
+                    "name": f"Deposit for {line.product_id.name}",
+                    "is_deposit_line": True,
+                    "deposit_origin_line_id": line.id,
+                })
+        return order_lines
+
+    def write(self, vals):
+        res = super().write(vals)
+
+        deposit_lines = self.env[
+            "sale.order.line"
+        ].search([("deposit_origin_line_id", "in", self.ids)])
+
+        for line in self:
+            if line.is_deposit_line:
+                continue
+
+            deposit_line = deposit_lines.filtered(lambda l: l.deposit_origin_line_id == line)
+            if not deposit_line:
+                continue
+            deposit_line.write({
+                "product_uom_qty":
+                    line.product_uom_qty,
+                "price_unit":
+                    line.product_id.amount,
+                "name":
+                    f"Deposit for {line.product_id.name}",
+            })
+
+        return res

rental_deposit/static/src/js/deposit.js

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+document.addEventListener('change', function (ev) {
+    const input = ev.target;
+    if (!input.matches('.js_main_product input[name="add_qty"]')) {
+        return;
+    }
+    const productEl = input.closest('.js_product');
+    const depositEl = productEl?.querySelector('.o_deposit_wrapper');
+    if (!depositEl) {
+        return;
+    }
+    const depositUnit = parseFloat(depositEl.dataset.depositUnit) || 0;
+    const quantity = parseFloat(input.value) || 0;
+    const total = (depositUnit * quantity).toFixed(2);
+    const target = depositEl.querySelector('.o_deposit_amount_value');
+    if (target) {
+        target.textContent = total;
+    }
+});

rental_deposit/views/product_template_views.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+
+    <record id="product_template_inherit_view_form_stock_rental_deposit" model="ir.ui.view">
+        <field name="name">product.template.inherit.stock.rental</field>
+        <field name="model">product.template</field>
+        <field name="inherit_id" ref="sale_renting.product_template_form_view_rental"/>
+        <field name="arch" type="xml">
+            <group name="extra_rental" position="inside">
+                <field name="require_deposite"/>
+                <field name="amount" invisible="not require_deposite"/>
+            </group>
+        </field>
+    </record>
+
+</odoo> 

rental_deposit/views/res_config_settings_views.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<odoo>
+
+    <record id="res_config_settings_view_form" model="ir.ui.view">
+        <field name="name">res.config.settings.view.form.inherit.rental</field>
+        <field name="model">res.config.settings</field>
+        <field name="priority" eval="10"/>
+        <field name="inherit_id" ref="sale_renting.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//setting[@name='rental_delay_costs']" position="inside">
+                <div class="row mt8">
+                    <label for="deposit_product_id" class="col-lg-3 o_light_label"/>
+                    <field name="deposit_product_id" class="col-lg-2"/>
+                </div>
+            </xpath>
+        </field>
+    </record>
+
+</odoo>

rental_deposit/views/website_sale_template_views.xml

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+<odoo>
+<template
+    id="website_sale_product_deposit"
+    inherit_id="website_sale.cta_wrapper">
+    <xpath expr="//div[@id='o_wsale_cta_wrapper']" position="after">
+
+        <div t-if="product.require_deposite" class="o_deposit_wrapper" t-att-data-deposit-unit="product.amount">
+            Deposit :
+            <span class="o_deposit_amount_value" t-out="product.amount"/>
+        </div>
+
+    </xpath>
+
+</template>
+</odoo>