[ADD] *: practice task implementation

deposite_in_rental/__init__.py

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+from . import models

deposite_in_rental/__manifest__.py

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+{
+    "name": "deposite_in_rental",
+    "depends": ["base", "account_invoice_extract", "sale_renting", "website_sale"],
+    "data": [
+        "views/res_config_setting_rental_view.xml",
+        "views/product_template_inherit_view.xml",
+        "views/website_rental_inherit.xml",
+        "views/sale_order_line_inherit_view.xml",
+    ],
+    "license": "LGPL-3",
+}

deposite_in_rental/models/__init__.py

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+from . import res_config_settings_inherit
+from . import product_template_inherit
+from . import sale_order_line_rental_inherit

deposite_in_rental/models/product_template_inherit.py

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+from odoo import fields, models
+
+
+class ProductTemplateInherit(models.Model):
+    _inherit = "product.template"
+
+    require_deposite = fields.Boolean(string="Requires Deposite?")
+    deposite_amount = fields.Monetary(string="Deposite Amount")

deposite_in_rental/models/res_config_settings_inherit.py

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+from odoo import api, fields, models
+
+
+class ResConfigSettingInherit(models.TransientModel):
+    _inherit = "res.config.settings"
+
+    rental_product_id = fields.Many2one(
+        "product.product",
+        string="Deposite Product",
+        inverse="_set_rental_product",
+        compute="_get_rental_product",
+    )
+
+    def _set_rental_product(self):
+        self.env["ir.config_parameter"].set_param(
+            "rental.deposite_product", self.rental_product_id.id or ""
+        )
+
+    @api.depends()
+    def _get_rental_product(self):
+        return int(self.env["ir.config_parameter"].get_param("rental.deposite_product"))

deposite_in_rental/models/sale_order_line_rental_inherit.py

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+from odoo import api, models, fields
+
+
+class SaleOrderLineRentalInherit(models.Model):
+    _inherit = "sale.order.line"
+    main_rental_id = fields.Many2one("sale.order.line", ondelete="cascade")
+    child_rental_id = fields.Many2one("sale.order.line", ondelete="cascade")
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        res = super().create(vals_list)
+        deposit_product_id = (
+            self.env["ir.config_parameter"].sudo().get_param("rental.deposite_product")
+        )
+        for line in res:
+            if (
+                deposit_product_id
+                and line.product_template_id.require_deposite
+                and line.product_template_id.deposite_amount
+            ):
+                child_rental_ol = self.env["sale.order.line"].create(
+                    {
+                        "order_id": line.order_id.id,
+                        "product_id": (int)(deposit_product_id),
+                        "name": f"Deposit for {line.product_id.name}",
+                        "product_uom_qty": line.product_uom_qty,
+                        "price_unit": line.product_template_id.deposite_amount,
+                        "main_rental_id": line.id,
+                    }
+                )
+                line.child_rental_id = child_rental_ol.id
+        return res
+
+    def write(self, vals):
+        for line in self:
+            if line.child_rental_id and "product_uom_qty" in vals:
+                qty = vals["product_uom_qty"]
+                line.child_rental_id.write(
+                    {
+                        "product_uom_qty": qty,
+                        "price_unit": line.product_template_id.deposite_amount,
+                    }
+                )
+        return super().write(vals)

deposite_in_rental/views/product_template_inherit_view.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="product_template_rental_inherit" model="ir.ui.view">
+        <field name="name">Product.Template.Rental.Inherit</field>
+        <field name="model">product.template</field>
+        <field name="inherit_id" ref="sale_renting.product_template_form_view_rental"/>
+        <field name="arch" type="xml">
+            <xpath expr="//page[@name='pricing']//group[@name='extra_rental']" position="inside">
+                <field name="require_deposite"/>
+                <field name="deposite_amount" invisible="not require_deposite"/>
+            </xpath>
+        </field>
+    </record>
+</odoo>

deposite_in_rental/views/res_config_setting_rental_view.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="rental_config_setting_inherit" model="ir.ui.view">
+        <field name="name">Rental config inherit</field>
+        <field name="model">res.config.settings</field>
+        <field name="inherit_id" ref="sale_renting.res_config_settings_view_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//form//setting[@name='rental_delay_costs']//div[hasclass('content-group')]" position='inside'>
+                <div class="row mt2 oe-inline">
+                    <label for="rental_product_id"/>
+                    <field name="rental_product_id"/>
+                </div>
+            </xpath>
+        </field>
+    </record>
+</odoo> 

deposite_in_rental/views/sale_order_line_inherit_view.xml

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+<?xml version="1.0"?>
+<odoo>
+    <record id="sale_order_inherit_view_rental" model="ir.ui.view">
+        <field name="name">Sale.Order.Inherit.View.Rental</field>
+        <field name="model">sale.order</field>
+        <field name="inherit_id" ref="sale.view_order_form"/>
+        <field name="arch" type="xml">
+            <xpath expr="//field[@name='order_line']//list//field[@name='product_template_id']" position="attributes">
+                <attribute name="readonly">main_rental_id</attribute>
+            </xpath>
+            <xpath expr="//field[@name='order_line']//list//field[@name='product_uom_qty']" position="attributes">
+                <attribute name="readonly">main_rental_id</attribute>
+            </xpath>
+            <xpath expr="//field[@name='order_line']//list//field[@name='price_unit']" position="attributes">
+                <attribute name="readonly">main_rental_id</attribute>
+            </xpath>
+        </field>
+    </record>
+</odoo>

deposite_in_rental/views/website_rental_inherit.xml

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+<?xml version="1.0"?>
+<odoo>
+    <template id="website_product_rental" inherit_id="website_sale.product">
+        <xpath expr="//div[@id='product_detail_main']//div[@id='o_wsale_cta_wrapper']" position="after">
+            <div class="my-2" t-if='product.deposite_amount'>
+                <h4>Deposite Amount: $<t t-esc='product.deposite_amount'/>
+                </h4>
+            </div>
+        </xpath>
+    </template>
+    <template id="website_sale_stock_cart_lines" inherit_id="website_sale.cart_lines" name="Shopping Cart Lines">
+        <xpath expr="//div[@name='website_sale_cart_line_quantity']" position="attributes">
+            <attribute name="t-att-class">'d-none' if line.main_rental_id else ''+('css_quantity input-group mb-2')</attribute>
+        </xpath>
+    </template>
+</odoo>

discount_update/__init__.py

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+from . import models

discount_update/__manifest__.py

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+{
+    "name": "Update Discount OL",
+    "depends": ["base", "sale", "sale_management"],
+    "data": [],
+    "license": "LGPL-3",
+}

discount_update/models/__init__.py

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+from . import sale_order_inherit
+from . import sale_order_line_inherit

discount_update/models/sale_order_inherit.py

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+from collections import defaultdict
+from odoo import _, models
+
+
+class SaleOrderInherit(models.Model):
+    _inherit = "sale.order"
+
+    def recalculate_discount(self):
+        for order in self:
+            discount_ol = order.order_line.filtered(
+                lambda ol: ol.is_global_discount_line
+            )
+            if not discount_ol:
+                return
+
+            discount_per = discount_ol[0].discount_percentage
+            discount_product = discount_ol[0].product_id
+            discount_ol.unlink()
+            total_price_per_tax_groups = defaultdict(float)
+
+            for line in order.order_line:
+                if not line.product_uom_qty or not line.price_unit:
+                    continue
+
+                total_price_per_tax_groups[line.tax_id] += (
+                    line.price_unit * line.product_uom_qty
+                )
+
+            if not total_price_per_tax_groups:
+                return
+
+            elif len(total_price_per_tax_groups) == 1:
+                taxes = next(iter(total_price_per_tax_groups.keys()))
+                subtotal = total_price_per_tax_groups[taxes]
+                self.env["sale.order.line"].create(
+                    {
+                        "order_id": order.id,
+                        "product_id": discount_product.id,
+                        "name": _("Discount: %(percent)s%%", percent=discount_per),
+                        "product_uom_qty": 1,
+                        "tax_id": [(6, 0, taxes.ids)],
+                        "price_unit": -subtotal * discount_per / 100,
+                    }
+                )
+
+            else:
+                vals_list = [
+                    (
+                        {
+                            "order_id": order.id,
+                            "product_id": discount_product.id,
+                            "name": _(
+                                "Discount: %(percent)s%%"
+                                "- On products with the following taxes %(taxes)s",
+                                percent=discount_per,
+                                taxes=", ".join(taxes.mapped("name")),
+                            ),
+                            "product_uom_qty": 1,
+                            "tax_id": [(6, 0, taxes.ids)],
+                            "price_unit": -subtotal * discount_per / 100,
+                        }
+                    )
+                    for taxes, subtotal in total_price_per_tax_groups.items()
+                ]
+                self.env["sale.order.line"].create(vals_list)

discount_update/models/sale_order_line_inherit.py

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+import re
+from odoo import api, fields, models
+
+
+class SaleOrderLineInherit(models.Model):
+    _inherit = "sale.order.line"
+
+    is_global_discount_line = fields.Boolean(default=False)
+    discount_percentage = fields.Float()
+
+    @api.model_create_multi
+    def create(self, vals_list):
+        res = super().create(vals_list)
+        for line in res:
+            if "%" in line.name:
+                match = re.search(r"(\d+(?:\.\d+)?)%", line.name)
+                if match:
+                    value = float(match.group(1))
+                    line.discount_percentage = value
+                line.is_global_discount_line = True
+            else:
+                line.order_id.recalculate_discount()
+        return res
+
+    def write(self, vals):
+        if self.env.context.get("skip_recalculate_discount"):
+            return super().write(vals)
+
+        res = super().write(vals)
+
+        for line in self:
+            line.order_id.with_context(
+                skip_recalculate_discount=True
+            ).recalculate_discount()
+        return res
+
+    def unlink(self):
+        orders = self.filtered(lambda ol: not ol.is_global_discount_line).mapped(
+            "order_id"
+        )
+        res = super().unlink()
+        for order in orders:
+            order.recalculate_discount()
+        return res

inventory_task/__init__.py

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+from . import models

inventory_task/__manifest__.py

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+{
+    "name": "Inventory Task",
+    "description": "Inventory UI customization module",
+    "depends": ["base", "product", "stock"],
+    "data": ["views/product_template_views.xml"],
+    "license": "LGPL-3",
+}

inventory_task/models/__init__.py

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+from . import product_template

inventory_task/models/product_template.py

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+from odoo import api, fields, models
+
+
+class ProductTemplate(models.Model):
+    _inherit = "product.template"
+
+    qty_input = fields.Float(
+        "Quantity on Hand", compute="_compute_qty_input", inverse="_inverse_qty_input"
+    )
+
+    is_multi_location = fields.Boolean(
+        compute="_compute_is_multi_location", store=False
+    )
+
+    @api.depends("company_id")
+    def _compute_is_multi_location(self):
+        for product in self:
+            product.is_multi_location = self.env.user.has_group(
+                "stock.group_stock_multi_locations"
+            )
+
+    @api.depends("qty_available")
+    def _compute_qty_input(self):
+        for record in self:
+            record.qty_input = record.qty_available
+
+    def _inverse_qty_input(self):
+        return
+
+    @api.onchange("qty_input")
+    def _onchange_new_qty(self):
+        for product in self:
+            if product.qty_input >= 0:
+                if not product.product_variant_id:
+                    continue
+                stock_quant = self.env["stock.quant"].search(
+                    [
+                        ("product_id", "=", product.product_variant_id.id),
+                    ],
+                    limit=1,
+                )
+
+                if stock_quant:
+                    stock_quant.sudo().write({"quantity": product.qty_input})
+                else:
+                    warehouse = self.env["stock.warehouse"].search(
+                        [("company_id", "=", self.env.company.id)], limit=1
+                    )
+                    self.env["stock.quant"].with_context(inventory_mode=True).create(
+                        {
+                            "product_id": product.product_variant_id.id,
+                            "location_id": warehouse.lot_stock_id.id,
+                            "quantity": product.qty_input,
+                        }
+                    )
+
+    def action_product_replenish(self):
+        return {
+            "name": "Low on stock? Let's replenish.",
+            "type": "ir.actions.act_window",
+            "res_model": "product.replenish",
+            "view_mode": "form",
+            "view_id": self.env.ref("stock.view_product_replenish").id,
+            "target": "new",
+            "context": {
+                "default_product_tmpl_id": self.id,
+            },
+        }