pos_usability: add payment methods in tree view of pos.order (via a computed char field)

pos_usability/models/pos_order.py

@@ -0,0 +1,23 @@
+# Copyright 2024 Akretion France (http://www.akretion.com/)
+# @author: Alexis de Lattre <alexis.delattre@akretion.com>
+# License AGPL-3.0 or later (http://www.gnu.org/licenses/agpl).
+
+from odoo import api, fields, models
+
+
+class PosOrder(models.Model):
+    _inherit = 'pos.order'
+
+    # field displayed in pos.order list view
+    payments_char = fields.Char(
+        string="Payment Methods", compute="_compute_payments_char", store=True)
+
+    @api.depends('payment_ids')
+    def _compute_payments_char(self):
+        for order in self:
+            payments = set()
+            for pay in order.payment_ids:
+                if pay.payment_method_id.name:
+                    # unfortunately, 'name' of pos.payment.method is translate=True
+                    payments.add(pay.payment_method_id.name)
+            order.payments_char = ', '.join(payments)