Make delete call to server when notification is swiped away

app/src/main/AndroidManifest.xml

@@ -99,6 +99,12 @@
             </intent-filter>
         </service>
 
+        <receiver android:name=".NotificationBroadcastReceiver">
+            <intent-filter>
+                <action android:name="notification_cancelled"/>
+            </intent-filter>
+        </receiver>
+
         <meta-data
             android:name="com.google.firebase.messaging.default_notification_channel_id"
             android:value="@string/default_notification_channel_id" />

app/src/main/java/app/insti/Constants.java

@@ -45,6 +45,7 @@ public class Constants {
     public static final String FCM_BUNDLE_IMAGE = "image_url";
     public static final String FCM_BUNDLE_LARGE_ICON = "large_icon";
     public static final String FCM_BUNDLE_LARGE_CONTENT = "large_content";
+    public static final String NOTIF_CANCELLED = "notif_cancelled";
 
     public static final String FCM_BUNDLE_ACTION_STARTING = "starting";
 

app/src/main/java/app/insti/InstiAppFirebaseMessagingService.java

@@ -53,6 +53,14 @@ public class InstiAppFirebaseMessagingService extends FirebaseMessagingService {
         return PendingIntent.getActivity(this, notificationId, intent, PendingIntent.FLAG_UPDATE_CURRENT);
     }
 
+    /** In case the notification is dismissed */
+    protected PendingIntent getDeleteIntent(RemoteMessage remoteMessage) {
+        Intent intent = new Intent(getApplicationContext(), NotificationBroadcastReceiver.class);
+        intent.setAction(Constants.NOTIF_CANCELLED);
+        intent.putExtra(Constants.FCM_BUNDLE_NOTIFICATION_ID, remoteMessage.getData().get(Constants.FCM_BUNDLE_NOTIFICATION_ID));
+        return PendingIntent.getBroadcast(getApplicationContext(), 0, intent, PendingIntent.FLAG_CANCEL_CURRENT);
+    }
+
     @Override
     public void onMessageReceived(RemoteMessage remoteMessage) {
         channel = getResources().getString(R.string.default_notification_channel_id);
@@ -84,7 +92,8 @@ public class InstiAppFirebaseMessagingService extends FirebaseMessagingService {
         NotificationCompat.Builder builder = standardNotificationBuilder()
                 .setContentTitle(remoteMessage.getData().get(Constants.FCM_BUNDLE_TITLE))
                 .setContentText(message)
-                .setContentIntent(getNotificationIntent(remoteMessage, notification_id));
+                .setContentIntent(getNotificationIntent(remoteMessage, notification_id))
+                .setDeleteIntent(getDeleteIntent(remoteMessage));
 
         /* Check for article */
         String largeContent = remoteMessage.getData().get(Constants.FCM_BUNDLE_LARGE_CONTENT);

app/src/main/java/app/insti/NotificationBroadcastReceiver.java

+package app.insti;
+
+import android.content.BroadcastReceiver;
+import android.content.Context;
+import android.content.Intent;
+
+import app.insti.api.EmptyCallback;
+import app.insti.api.RetrofitInterface;
+import app.insti.api.ServiceGenerator;
+
+public class NotificationBroadcastReceiver extends BroadcastReceiver {
+    @Override
+    public void onReceive(Context context, Intent intent)  {
+        if (intent.getAction().equals(Constants.NOTIF_CANCELLED)) {
+            // Get the notification id
+            String id = intent.getExtras().getString(Constants.FCM_BUNDLE_NOTIFICATION_ID);
+            if (id == null || id.equals("")) return;
+
+            // Get retrofit and session id
+            ServiceGenerator serviceGenerator = new ServiceGenerator(context);
+            RetrofitInterface retrofitInterface = serviceGenerator.getRetrofitInterface();
+
+            SessionManager session = new SessionManager(context);
+            if (session.isLoggedIn()) {
+                Utils.setSessionId(session.getSessionID());
+            }
+
+            // Mark as read
+            retrofitInterface.markNotificationDeleted(Utils.getSessionIDHeader(), id).enqueue(new EmptyCallback<Void>());
+        }
+    }
+}

app/src/main/java/app/insti/api/RetrofitInterface.java

@@ -112,6 +112,9 @@ public interface RetrofitInterface {
     @GET("notifications/read/{notificationID}")
     Call<Void> markNotificationRead(@Header("Cookie") String sessionID, @Path("notificationID") String notificationID);
 
+    @GET("notifications/read/{notificationID}?delete=1")
+    Call<Void> markNotificationDeleted(@Header("Cookie") String sessionID, @Path("notificationID") String notificationID);
+
     @GET("logout")
     Call<Void> logout(@Header("Cookie") String sessionID);