Revert "remove push API"

This reverts commit fdf7396.

Author: stephanediondev

.env.dist

@@ -31,5 +31,7 @@ ELASTICSEARCH_USERNAME=
 ELASTICSEARCH_PASSWORD=
 SSL_VERIFY_PEER=true
 SECRET_REGISTER=
+VAPID_PUBLIC_KEY=
+VAPID_PRIVATE_KEY=
 SENDER_ADDRESS=
 ###< app ###

.env.test

@@ -3,5 +3,7 @@ KERNEL_CLASS='App\Kernel'
 APP_SECRET='$ecretf0rt3st'
 SYMFONY_DEPRECATIONS_HELPER=999999
 PANTHER_APP_ENV=panther
+VAPID_PUBLIC_KEY='test'
+VAPID_PRIVATE_KEY='test'
 MAILER_DSN='test'
 SENDER_ADDRESS='test'

assets/js/app.js

@@ -10,10 +10,6 @@ slug.charmap['?'] = '-';
 slug.charmap['='] = '-';
 global.slug = slug;
 
-global.serviceWorkerAvailable = function serviceWorkerAvailable() {
-    return 'serviceWorker' in navigator && 'https:' == window.location.protocol;
-}
-
 global.sleep = function sleep(ms) {
     return new Promise(resolve => setTimeout(resolve, ms));
 }
@@ -31,7 +27,7 @@ global.createToast = function createToast(body) {
 }
 
 function messageToServiceWorker(content) {
-    if (true === serviceWorkerAvailable()) {
+    if('serviceWorker' in navigator && 'https:' == window.location.protocol) {
         navigator.serviceWorker.ready.then(function() {
             return new Promise(function(resolve, reject) {
                 var messageChannel = new MessageChannel();
@@ -57,9 +53,13 @@ if (buttonInstall) {
     });
 }
 
-if (true === serviceWorkerAvailable()) {
+global.serviceWorkerEnabled = false;
+
+if('serviceWorker' in navigator && 'https:' == window.location.protocol) {
     navigator.serviceWorker.register(app_base_url + 'serviceworker.js')
     .then(function(ServiceWorkerRegistration) {
+        global.serviceWorkerEnabled = true;
+
         if (buttonInstall) {
             var standalone = window.matchMedia('(display-mode: standalone)');
             if (false === standalone.matches) {

composer.json

@@ -9,6 +9,7 @@
         "ext-ctype": "*",
         "ext-iconv": "*",
         "box/spout": "^3.1",
+        "minishlink/web-push": "^6.0.1",
         "piwik/device-detector": "^3.12",
         "sensio/framework-extra-bundle": "^5.1",
         "symfony/asset": "5.1.*",