Progressive Web App - Notifications with firebase

This module for drupal 10, 11
You should install with composer it will add google/auth to vendor.
1. Enable module.
2. Create your project (https://console.firebase.google.com/).
3. Get your access crentials from Settings => Cloud Messaging tab (https://console.firebase.google.com/u/0/project/YOUR-PROJECT-ID/settings...) to Firebase Settings(/admin/config/system/pwa_firebase)

Form version 2.0.9+ module change from legacy FCM APIs to HTTP v1. So you have to configure in module settings to refill all variables. (Attach credentials - Service account key json file is required)

To compose message You can go to firebase /admin/content/notification

It uses asynchronous guzzle promises which will help in sending bulk notifications.
If you want to send a huge user, you can create a view and use VBO. In the configuration you can add an action to "send a notification".

you can show block notification permission to display the message

This module does not use curl to send a message to firebase. So you can use on shared hosting
For Developper:
You can use service to send notification.

• Send notification to all users
  

  \Drupal::service('pwa_firebase.send')->sendMessageToAllUsers($title, $message, $url);
  

• Send a notification to 1 user (with all their devices)
  

  \Drupal::service('pwa_firebase.send')->sendMessageToUser($uid, $title, $message, $url);
  

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