first commit

__init__.py

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+from . import models

__manifest__.py

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+{
+    'name': 'POS Customer Orders',
+    'version': '17.0.1.0.0',
+    'category': 'Point of Sale',
+    'summary': 'Show last 2 orders in POS Customer Details',
+    'depends': ['point_of_sale'],
+    'data': [],
+    'assets': {
+        'point_of_sale.assets_prod': [
+            'pos_customer_orders/static/src/xml/**/*',
+            'pos_customer_orders/static/src/js/**/*',
+        ],
+    },
+    'installable': True,
+    'application': False,
+}

models/__init__.py

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+from . import res_partner

models/res_partner.py

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+from odoo import models, api
+
+class ResPartner(models.Model):
+    _inherit = 'res.partner'
+
+    @api.model
+    def get_pos_last_orders(self, partner_id):
+        orders = self.env['pos.order'].search(
+            [('partner_id', '=', partner_id)],
+            order='date_order desc',
+            limit=2
+        )
+        return [{
+            'id': order.id,
+            'name': order.name,
+            'pos_reference': order.pos_reference,
+            'date_order': order.date_order,
+            'amount_total': order.amount_total,
+            'note': order.note,
+            'lines': [{
+                'id': line.id,
+                'product_name': line.product_id.name,
+                'qty': line.qty,
+                'price_unit': line.price_unit,
+                'price_subtotal_incl': line.price_subtotal_incl,
+            } for line in order.lines],
+        } for order in orders]

static/src/js/partner_editor.js

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+/** @odoo-module */
+
+import { PartnerDetailsEdit } from "@point_of_sale/app/screens/partner_list/partner_editor/partner_editor";
+import { patch } from "@web/core/utils/patch";
+import { useService } from "@web/core/utils/hooks";
+import { onWillStart, useState } from "@odoo/owl";
+
+patch(PartnerDetailsEdit.prototype, {
+    setup() {
+        super.setup();
+        this.orm = useService("orm");
+        this.state = useState({ ...this.state, lastOrders: [] });
+
+        onWillStart(async () => {
+            await this.fetchLastOrders();
+        });
+    },
+
+    async fetchLastOrders() {
+        const partnerId = this.props.partner.id;
+        if (partnerId) {
+            try {
+                const orders = await this.orm.call("res.partner", "get_pos_last_orders", [partnerId]);
+                this.state.lastOrders = orders;
+            } catch (error) {
+                console.error("Error fetching orders:", error);
+            }
+        }
+    }
+});

static/src/xml/partner_editor.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<templates id="template" xml:space="preserve">
+
+    <t t-name="pos_customer_orders.PartnerDetailsEdit" t-inherit="point_of_sale.PartnerDetailsEdit" t-inherit-mode="extension">
+        <xpath expr="//section" position="after">
+            <section class="partner-details-orders d-flex flex-column m-3">
+                <div class="container">
+                    <h3 class="mb-3">Last Orders</h3>
+                    <t t-if="state.lastOrders and state.lastOrders.length > 0">
+                        <div class="list-group">
+                            <t t-foreach="state.lastOrders" t-as="order" t-key="order.id">
+                                <div class="list-group-item list-group-item-action flex-column align-items-start">
+                                    <div class="d-flex w-100 justify-content-between">
+                                        <h5 class="mb-1"><t t-esc="order.pos_reference || order.name"/></h5>
+                                        <small class="text-muted"><t t-esc="order.date_order"/></small>
+                                    </div>
+                                    <p class="mb-1">Total: <t t-esc="env.utils.formatCurrency(order.amount_total)"/></p>
+                                    <small class="text-muted" t-if="order.note">Note: <t t-esc="order.note"/></small>
+                                    <div class="mt-2" t-if="order.lines and order.lines.length > 0">
+                                        <small class="fw-bold">Products:</small>
+                                        <ul class="list-unstyled small ps-2">
+                                            <t t-foreach="order.lines" t-as="line" t-key="line.id">
+                                                <li>
+                                                    <t t-esc="line.qty"/> x <t t-esc="line.product_name"/>
+                                                    (<t t-esc="env.utils.formatCurrency(line.price_subtotal_incl)"/>)
+                                                </li>
+                                            </t>
+                                        </ul>
+                                    </div>
+                                </div>
+                            </t>
+                        </div>
+                    </t>
+                    <t t-else="">
+                        <div class="alert alert-info">No orders found for this customer.</div>
+                    </t>
+                </div>
+            </section>
+        </xpath>
+    </t>
+
+</templates>