[IMP] payment_adyen: add support HPP notifications from adyen

It is mandatory to switch to a production account

addons/payment_adyen/controllers/main.py

@@ -18,7 +18,7 @@ class AdyenController(http.Controller):
     _return_url = '/payment/adyen/return/'
 
     @http.route([
-        '/payment/adyen/return/',
+        '/payment/adyen/return',
     ], type='http', auth='none')
     def adyen_return(self, **post):
         _logger.info('Beginning Adyen form_feedback with post data %s', pprint.pformat(post))  # debug
@@ -29,3 +29,17 @@ class AdyenController(http.Controller):
             custom = json.loads(post.pop('merchantReturnData', '{}'))
             return_url = custom.pop('return_url', '/')
         return werkzeug.utils.redirect(return_url)
+
+    @http.route([
+        '/payment/adyen/notification',
+    ], type='http', auth='none', methods=['POST'])
+    def adyen_notification(self, **post):
+        tx_id = post.get('merchantReference') and request.registry['payment.transaction'].search(request.cr, SUPERUSER_ID, [('reference', 'in', [post.get('merchantReference')])], limit=1, context=request.context)
+        if post.get('eventCode') in ['AUTHORISATION'] and tx_id:
+            tx = request.registry['payment.transaction'].browse(request.cr, SUPERUSER_ID, tx_id, context=request.context)
+            states = (post.get('merchantReference'), post.get('success'), tx.state)
+            if (post.get('success') == 'true' and tx.state == 'done') or (post.get('success') == 'false' and tx.state in ['cancel', 'error']):
+                _logger.info('Notification from Adyen for the reference %s: received %s, state is %s', states)
+            else:
+                _logger.warning('Notification from Adyen for the reference %s: received %s but state is %s', states)
+        return '[accepted]'