feat: restrict POS paid order history to the last 48 hours to optimize UI performance

models/__init__.py

@@ -1,3 +1,4 @@
 # -*- coding: utf-8 -*-
 from . import pos_config
 from . import res_config_settings
+from . import pos_order

models/pos_order.py

@@ -0,0 +1,28 @@
+# -*- coding: utf-8 -*-
+from odoo import fields, models, api
+from odoo.osv import expression
+from datetime import timedelta, datetime
+import pytz
+
+class PosOrder(models.Model):
+    _inherit = 'pos.order'
+
+    @api.model
+    def search_paid_order_ids(self, config_id, domain, limit, offset):
+        """Limit paid orders list loaded on POS frontend to today and the day before."""
+        user_tz_name = self.env.context.get('tz') or self.env.user.tz or 'UTC'
+        try:
+            user_tz = pytz.timezone(user_tz_name)
+        except pytz.UnknownTimeZoneError:
+            user_tz = pytz.UTC
+
+        today_local = fields.Date.to_date(fields.Date.context_today(self))
+        yesterday_local = today_local - timedelta(days=1)
+        yesterday_start_local = datetime.combine(yesterday_local, datetime.min.time())
+        yesterday_start_tz = user_tz.localize(yesterday_start_local)
+        yesterday_start_utc = yesterday_start_tz.astimezone(pytz.UTC).replace(tzinfo=None)
+
+        # Restrict domain so only orders from today and yesterday (local timezone start) are returned
+        domain = expression.AND([domain, [('date_order', '>=', yesterday_start_utc)]])
+
+        return super(PosOrder, self).search_paid_order_ids(config_id, domain, limit, offset)