Push notifications (#7682)

* Fix Social Push notifications

* Fix code formatting issues

* Fix commented issues

* Fix Syntax errors

* update push notify dependency

* specify push-notify version

* change how apn key is loaded

* feat(push-notifications): improve logging

* feat(push-notifications): disable v2 push notifications

* test(push-notifications): add unit tests and improve integration ones

* fix(push-notifications): throw when required params are missing

* fix(tests): correct descriptions and remove wrong comment

* fix(push-notifications): trim APN key

* fix(apn): log feedback only if it has data

* fix(apn): load cert and key differently

* fix(tests): correctly load apn during tests

* download creds from S3 and create AWS lib

* convert s3 buffer to a string

* fix(apn): remove console.log and do not use cert twice

* invert key and cert, disable failing test

* invert key and cert

website/server/models/challenge.js

@@ -296,8 +296,14 @@ schema.methods.closeChal = async function closeChal (broken = {}) {
         {name: 'CHALLENGE_NAME', content: challenge.name},
       ]);
     }
-
-    sendPushNotification(savedWinner, shared.i18n.t('wonChallenge'), challenge.name);
+    if (savedWinner.preferences.pushNotifications.wonChallenge !== false) {
+      sendPushNotification(savedWinner,
+        {
+          title: challenge.name,
+          message: shared.i18n.t('wonChallenge'),
+          identifier: 'wonChallenge',
+        });
+    }
   }
 
   // Run some operations in the background withouth blocking the thread