[IMP] website_autocomplete_gst : Get Auto-completed Company address based on VAT

website_autocomplete_gst/__init__.py

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+from . import controllers
+from . import models

website_autocomplete_gst/__manifest__.py

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+{
+    'name': "Website Autocomplete GST",
+    'version': "1.0",
+    'category': "Website/Website",
+    'summary': "Get Auto-completed Company address based on VAT",
+    'depends': [
+        'base', 'website_sale'
+    ],
+    'description': """
+        This module adds an option of "do you want tax credit" during checkout proccess in website and upon entering valid VAT number auto-completes company address details
+    """,
+    'data' : [
+        'views/templates.xml'
+    ],
+    'assets': {
+        'web.assets_frontend': [
+            'website_autocomplete_gst/static/src/js/**/*'
+        ],
+    },
+    'installable' : True,
+    'license': "AGPL-3"
+}

website_autocomplete_gst/controllers/__init__.py

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+from . import main

website_autocomplete_gst/controllers/main.py

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+from odoo.http import request, route
+
+from odoo.addons.website_sale.controllers import main
+
+
+class WebsiteSale(main.WebsiteSale):
+    @route('/shop/checkout', type='http', methods=['GET'], auth='public', website=True, sitemap=False)
+    def shop_checkout(self, **kwargs):
+        vat_label = request.env._('VAT')
+        return super().shop_checkout(**kwargs)
+
+    @route('/shop/get_data', type='json', auth='public', website=True, sitemap=False)
+    def get_company_details(self):
+        vat = request.params.get('vat')
+        partner = request.env['res.partner']._get_company_details_from_vat(vat)
+        return partner if partner else {}
+
+    def _get_checkout_page_values(self, **kwargs):
+        qcontext = super()._get_checkout_page_values(**kwargs)
+        qcontext.pop('use_delivery_as_billing', None)
+        return qcontext
+
+    @route('/shop/update_invoice_address', type='json', auth='public', website=True)
+    def shop_update_invoice_address(self, address_type='billing', **kw):
+        company_data = self.get_company_details()
+        if company_data:
+            order_sudo = request.website.sale_get_order()
+            if order_sudo:
+                #Update the invoice address based on vat
+                ResPartner = request.env['res.partner']
+                exist_partner = ResPartner.search([
+                    ('vat', '=', company_data.get('vat'))
+                ], limit=1)
+                if exist_partner:
+                    order_sudo.partner_invoice_id = exist_partner
+                else:
+                   order_sudo.partner_invoice_id = ResPartner.sudo().create({
+                        'name': company_data.get('name'),
+                        'company_type': 'company',
+                        'parent_id': False,
+                        'street': company_data.get('street'),
+                        'street2': company_data.get('street2'),
+                        'city': company_data.get('city'),
+                        'state_id': company_data.get('state_id'),
+                        'country_id': company_data.get('country_id'),
+                        'zip': company_data.get('zip'),
+                        'vat': company_data.get('vat'),
+                    })
+                partner_fnames = set()
+                partner_sudo = ResPartner.browse(order_sudo.partner_invoice_id.id).exists()
+                if (address_type == 'billing' and partner_sudo != order_sudo.partner_invoice_id):
+                    partner_fnames.add('partner_invoice_id')
+                order_sudo.sudo()._update_address(order_sudo.partner_invoice_id.id, partner_fnames)
+                order_sudo.partner_shipping_id.write({
+                    'parent_id': order_sudo.partner_invoice_id.id,
+                })

website_autocomplete_gst/models/__init__.py

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+from . import res_partner

website_autocomplete_gst/models/res_partner.py

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+from odoo import models
+
+
+class ResPartner(models.Model):
+    _inherit = 'res.partner'
+
+    def _can_be_edited_by_current_customer(self, sale_order, address_type):
+        return sale_order, address_type
+
+    def _get_company_details_from_vat(self, vat):
+        company_details = self.read_by_vat(vat)
+        company_data = company_details[0] if company_details else {}
+        if company_data:
+            partner_gid = company_data.get('partner_gid')
+            if partner_gid:
+                company_data = self.enrich_company(company_domain=None, partner_gid=partner_gid, vat=company_data.get('vat'))
+            return {
+                'name': company_data.get('name'),
+                'company_type': 'company',
+                'partner_id': partner_gid,
+                'street': company_data.get('street'),
+                'street2': company_data.get('street2'),
+                'city': company_data.get('city'),
+                'state_id': company_data.get('state_id', {}).get('id', False),
+                'country_id': company_data.get('country_id', {}).get('id', False),
+                'zip': company_data.get('zip'),
+                'vat': company_data.get('vat'),
+            }
+        return {}

website_autocomplete_gst/static/src/js/checkout.js

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+import { rpc } from "@web/core/network/rpc";
+import publicWidget from '@web/legacy/js/public/public_widget';
+
+publicWidget.registry.WebsiteSaleCheckout.include({
+    /**
+     * @override
+     */
+    events: Object.assign({}, publicWidget.registry.WebsiteSaleCheckout.prototype.events, {
+        'change #want_tax_credit': '_toggleTaxCreditRow',
+    }),
+
+    async start() {
+        await this._super.apply(this, arguments);
+        this.want_tax_credit_toggle = document.querySelector('#want_tax_credit');
+        this.taxCreditContainer = this.el.querySelector('#tax_credit_container');
+        this.$vatInput = this.$("#o_vat");
+        this.$companyNameInput = this.$("#o_company_name");
+        if (this.$vatInput.length) {
+            this.$vatInput.on("change", this._fetchCompanyDetails.bind(this));
+        }
+    },
+
+    async _fetchCompanyDetails() {
+        const vat = this.$vatInput.val().trim();
+        if (!vat) {
+            return;
+        }
+        try {
+            const result = await rpc("/shop/get_data", { vat: vat });
+            if (result && result.name) {
+                console.log(result)
+                this.$companyNameInput.val(result.name);
+                await this.updateInvoiceAddress('billing', vat);
+            } else {
+                console.warn("Could not find any company registered to this VAT : ", vat);
+            }
+        } catch (error) {
+            console.error("Failed to fetch company details:", error);
+        }
+    },
+
+    async _changeAddress(ev) {
+        const newAddress = ev.currentTarget;
+        if (newAddress.classList.contains('bg-primary')) {
+            return;
+        }
+        const addressType = newAddress.dataset.addressType;
+        // Remove the highlighting from the previously selected address card.
+        const previousAddress = this._getSelectedAddress(addressType);
+        this._tuneDownAddressCard(previousAddress);
+        // Highlight the newly selected address card.
+        this._highlightAddressCard(newAddress);
+        const selectedPartnerId = newAddress.dataset.partnerId;
+        await this.updateAddress(addressType, selectedPartnerId);
+        // A delivery address is changed.
+        if (addressType === 'delivery' || this.taxCreditContainer.dataset.deliveryAddressDisabled) {
+            if (this.taxCreditContainer.dataset.deliveryAddressDisabled) {
+                // If a delivery address is disabled in the settings, use a billing address as
+                // a delivery one.
+                await this.updateAddress('delivery', selectedPartnerId);
+            }
+            if (!this.want_tax_credit_toggle?.checked) {
+                await this._selectMatchingBillingAddress(selectedPartnerId);
+            }
+            // Update the available delivery methods.
+            document.getElementById('o_delivery_form').innerHTML = await rpc(
+                '/shop/delivery_methods'
+            );
+            await this._prepareDeliveryMethods();
+        }
+        this._enableMainButton();  // Try to enable the main button.
+    },
+
+    async _toggleTaxCreditRow(ev) {
+        const useTaxCredit = ev.target.checked;
+        if (!useTaxCredit) {
+            this.taxCreditContainer.classList.add('d-none');  // Hide the Tax Credit row.
+            const selectedDeliveryAddress = this._getSelectedAddress('delivery');
+            await this._selectMatchingBillingAddress(selectedDeliveryAddress.dataset.partnerId);
+        } else {
+            this._disableMainButton();
+            this.taxCreditContainer.classList.remove('d-none');  // Show the Tax Credit row.
+        }
+
+        this._enableMainButton();  // Try to enable the main button.
+    },
+
+    async updateInvoiceAddress(addressType, vat) {
+        await rpc('/shop/update_invoice_address', { address_type: addressType, vat: vat });
+    },
+
+    _isBillingAddressSelected() {
+        return this.want_tax_credit_toggle?.checked;
+    },
+});

website_autocomplete_gst/views/templates.xml

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+<?xml version="1.0"?>
+<odoo>
+    <template id="website_sale_address_inherit" inherit_id="website_sale.address" name="Address Management">
+        <xpath expr='//t[@t-if="website._display_partner_b2b_fields()"]' position="replace">
+        </xpath>
+    </template>
+    <template id="website_sale_billing_address_row_inherit" inherit_id="website_sale.billing_address_row">
+        <xpath expr="//div[@id='billing_address_row']" position="replace">
+            <div id="billing_address_row" class="mb-3">
+                <h4 class="text-uppercase small fs-6 fw-bold mt-3">
+                    <t groups="!account.group_delivery_invoice_address">Your address</t>
+                </h4>
+                <t groups="account.group_delivery_invoice_address">
+                    <t t-set="has_delivery" t-value="order._has_deliverable_products()"/>
+                    <div t-if="has_delivery" class="form-check form-switch mt-2 mb-3">
+                        <label id="want_tax_credit_label">
+                            <input type="checkbox" id="want_tax_credit" class="form-check-input" t-att-checked="want_tax_credit"/>
+                            want tax-credit
+                        </label>
+                    </div>
+                </t>
+                <t t-set="tax_credit_enable" groups="!account.group_delivery_invoice_address" t-value="True"/>
+                <t t-set="tax_credit_enable" groups="account.group_delivery_invoice_address" t-value="False"/>
+                <div id="tax_credit_container" t-attf-class="{{'d-none' if not want_tax_credit and has_delivery else ''}}" t-att-data-tax-credit-enable="tax_credit_enable">
+                    <label for="o_vat">
+                        <t t-out="vat_label or 'VAT'"/>
+                        <input type="text" id="o_vat" name="vat" t-att-value="vat" class="form-control"/>
+                    </label>
+                    <label>
+            Company Name
+                        <input type="text" id="o_company_name" name="name" autocomplete="organization" class="form-control"/>
+                    </label>
+                </div>
+            </div>
+        </xpath>
+    </template>
+    <template id="address_on_payment_inherit" inherit_id="website_sale.address_on_payment" name="Address on payment">
+        <xpath expr="//div[hasclass('card')]" position="replace">
+            <div class="card">
+                <div class="card-body" id="delivery_and_billing">
+                    <a class="float-end no-decoration" href="/shop/checkout">
+                        <i class="fa fa-pencil me-1"/>
+Edit
+                    </a>
+                    <t>
+                        <b>Delivery: </b>
+                        <span t-out="order.partner_shipping_id" t-options="dict(widget='contact', fields=['address'], no_marker=True, separator=', ')" class="address-inline"/>
+                    </t>
+                </div>
+            </div>
+        </xpath>
+    </template>
+</odoo>