add support for apns-priority key (#128)

Author: funkenstrahlen

spec/APNS.spec.js

@@ -172,8 +172,9 @@ describe('APNS', () => {
     };
     let expirationTime = 1454571491354;
     let collapseId = "collapseIdentifier";
+    let priority = 5;
 
-    let notification = APNS._generateNotification(data, { expirationTime: expirationTime, collapseId: collapseId });
+    let notification = APNS._generateNotification(data, { expirationTime: expirationTime, collapseId: collapseId, priority: priority });
 
     expect(notification.aps.alert).toEqual({ body: 'alert', title: 'title' });
     expect(notification.aps.badge).toEqual(data.badge);
@@ -188,6 +189,7 @@ describe('APNS', () => {
     });
     expect(notification.expiry).toEqual(Math.round(expirationTime / 1000));
     expect(notification.collapseId).toEqual(collapseId);
+    expect(notification.priority).toEqual(priority);
     done();
   });
 
@@ -208,11 +210,13 @@ describe('APNS', () => {
       };
       let expirationTime = 1454571491354;
       let collapseId = "collapseIdentifier";
+      let priority = 5
 
-      let notification = APNS._generateNotification(data, { expirationTime: expirationTime, collapseId: collapseId });
+      let notification = APNS._generateNotification(data, { expirationTime: expirationTime, collapseId: collapseId, priority: priority });
 
       expect(notification.expiry).toEqual(Math.round(expirationTime / 1000));
       expect(notification.collapseId).toEqual(collapseId);
+      expect(notification.priority).toEqual(priority);
 
       let stringifiedJSON = notification.compile();
       let jsonObject = JSON.parse(stringifiedJSON);
@@ -283,6 +287,7 @@ describe('APNS', () => {
     let data = {
       'collapse_id': collapseId,
       'expiration_time': expirationTime,
+      'priority': 6,
       'data': {
         'alert': 'alert'
       }
@@ -313,6 +318,7 @@ describe('APNS', () => {
     expect(notification.aps.alert).toEqual(data.data.alert);
     expect(notification.expiry).toEqual(Math.round(data['expiration_time'] / 1000));
     expect(notification.collapseId).toEqual(data['collapse_id']);
+    expect(notification.priority).toEqual(data['priority']);
     let apnDevices = calledArgs[1];
     expect(apnDevices.length).toEqual(4);
     done();

src/APNS.js

@@ -73,6 +73,7 @@ export class APNS {
     let coreData = data.data;
     let expirationTime = data['expiration_time'];
     let collapseId = data['collapse_id'];
+    let priority = data['priority'];
     let allPromises = [];
 
     let devicesPerAppIdentifier = {};
@@ -96,7 +97,7 @@ export class APNS {
         continue;
       }
 
-      let headers = { expirationTime: expirationTime, topic: appIdentifier, collapseId: collapseId }
+      let headers = { expirationTime: expirationTime, topic: appIdentifier, collapseId: collapseId, priority: priority }
       let notification = APNS._generateNotification(coreData, headers);
       const deviceIds = devices.map(device => device.deviceToken);
       let promise = this.sendThroughProvider(notification, deviceIds, providers);
@@ -166,7 +167,7 @@ export class APNS {
   /**
    * Generate the apns Notification from the data we get from api request.
    * @param {Object} coreData The data field under api request body
-   * @param {Object} headers The header properties for the notification (topic, expirationTime, collapseId)
+   * @param {Object} headers The header properties for the notification (topic, expirationTime, collapseId, priority)
    * @returns {Object} A apns Notification
    */
   static _generateNotification(coreData, headers) {
@@ -214,6 +215,10 @@ export class APNS {
     notification.topic = headers.topic;
     notification.expiry = Math.round(headers.expirationTime / 1000);
     notification.collapseId = headers.collapseId;
+    if (headers.priority) {
+      // if headers priority is not set 'node-apn' defaults it to 5 which is min. required value for background pushes to launch the app in background.
+      notification.priority = headers.priority
+    }
     return notification;
   }