fix: redirection

addons/payment_paydunya/models/payment_transaction.py

@@ -9,6 +9,40 @@ _logger = logging.getLogger(__name__)
 class PaymentTransaction(models.Model):
     _inherit = 'payment.transaction'
 
+    def _get_paydunya_channel(self, processing_values):
+        """Return the PayDunya channel to force based on selected payment method."""
+        self.ensure_one()
+
+        selected_code = (
+            processing_values.get('payment_method_code')
+            or processing_values.get('payment_method')
+            or getattr(getattr(self, 'payment_method_id', False), 'code', False)
+        )
+
+        # Odoo checkout often sends only payment_method_id; resolve it to code.
+        if not selected_code:
+            pm_id = processing_values.get('payment_method_id')
+            if pm_id:
+                try:
+                    payment_method = self.env['payment.method'].browse(int(pm_id))
+                    if payment_method.exists():
+                        selected_code = payment_method.code
+                except (TypeError, ValueError):
+                    selected_code = None
+
+        if not selected_code:
+            return None
+
+        channel_map = {
+            'wave-senegal': 'wave-senegal',
+            'orange-money-senegal': 'orange-money-senegal',
+            'om': 'orange-money-senegal',
+            'orange-money': 'orange-money-senegal',
+            'wave': 'wave-senegal',
+            'card': 'card',
+        }
+        return channel_map.get(str(selected_code).lower())
+
     def _get_specific_rendering_values(self, processing_values):
         """Create invoice on PayDunya and return rendering values for redirection."""
         self.ensure_one()
@@ -53,6 +87,18 @@ class PaymentTransaction(models.Model):
                 'phone': self.partner_id.phone or '',
             }
 
+        channel = self._get_paydunya_channel(processing_values or {})
+        if channel:
+            # Force a single payment channel so PayDunya redirects to the selected operator flow.
+            payload['invoice']['channels'] = [channel]
+        _logger.info(
+            'PayDunya checkout channel: selected=%s resolved=%s',
+            processing_values.get('payment_method_code')
+            or processing_values.get('payment_method')
+            or processing_values.get('payment_method_id'),
+            channel,
+        )
+
         # Authentication headers
         headers = {
             'Content-Type': 'application/json',

addons/payment_paydunya/views/payment_paydunya_templates.xml

@@ -1,8 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <odoo>
   <template id="paydunya_redirect_form">
-    <form t-att-action="api_url" method="post">
-      <input type="hidden" name="token" t-att-value="token"/>
+    <form t-att-action="api_url" method="get">
     </form>
   </template>
 </odoo>