How to send push notifications from Swift ?

Since the PFPush class is not working anymore, how can I send a push notification from Swift or how can I call some cloud code to send a push notification to my users ?

Example : User_1 sends a friend request to User_2. I want User_2 to receive a notification on his device. I know I can do this with Javascript / PHP, but is it possible to do it from Swift directly without having some files hosted on a web server ?

I am actually using Heroku.

Thanks,
Axel

[nlutsenko]

PFPush since it talks to /push endpoint and it's implemented should actually work on the latest version of the server. Do you see something that suggests that it's not?

Thanks for your answer. In fact, when I am trying to send a push notification, it tells me that I need to use the master key in order to send it. However, from the swift code, I'm not sure if I can set the master key somewhere...

[nlutsenko]

Aha, here is something we uncovered then.
You should be able to send a notification from CloudCode then.

The client SDKs don't have an ability to use MasterKey just yet, though we could safely add it, but it exposes a bad programming practice, since you should never put a master key on the client.

So I need to have some code hosted somewhere (a web hosting) in order to send push notifications ? Isn't it possible to do that only by using Heroku and Swift code ?

[nlutsenko]

You can host Cloud Code actually on Parse Server.
This wiki page describes how to migrate over your code from classic Parse, but overall - all you need is to place Cloud Code in the cloud folder of your Parse Server on Heroku and it should automatically pick it up.

[nlutsenko]

Also, here are two good guides on how to get Push Notifications in Parse Server land working with Cloud Code:

• http://guides.codepath.com/android/Configuring-a-Parse-Server#enabling-push-notifications
• And an example implementation here https://github.com/codepath/parse-server-example/blob/master/cloud/main.js

[nlutsenko]

Going to close out this issue, feel free to comment here or reopen it if you still having trouble sending push via Cloud Code.

[otymartin]

@nlutsenko Do you have a guide for how to trigger cloud code push notifications from my swift iOS app?

Do I just paste this code in my main.js file then in swift call PFCloud.callFunctionInBackground(<#T##function: String##String#>, withParameters: <#T##[NSObject : AnyObject]?#>)

[nlutsenko]

Yup, that would work just great as well. That repo tutorial is actually very very good.

[otymartin]

@nlutsenko Hey im still abit(very) lost. This is previously how I sent pushes in my messaging app.
How could I rewrite this method using the cloud code part to send the push?

 func sendPushNotification(contact: PFUser) {

        let pushQuery = PFInstallation.query()
        pushQuery?.whereKey("user", equalTo: contact)

        let push = PFPush()
        push.setQuery(pushQuery)
        let pushDictionary = ["alert": PFUser.currentUser()!.valueForKey("name") as! String, "badge": "increment", "sound":""]

        push.setData(pushDictionary)
        push.sendPushInBackgroundWithBlock(nil)

    }

[craiggrummitt]

@nlutsenko Can I second @otymartin's comment about being lost.

So I successfully got to Step 4 "Send Push Notifications" in the Parse Push tutorial https://github.com/ParsePlatform/parse-server/wiki/Push and have notifications working in my app from 'curl'.

But that's where the tutorial seems to stop. I was hoping to request a notification directly from Swift code... Can you fill in the gap?

I have no experience in cloud code, but I'm guessing what's missing is that I need to set up a function in cloud code with the appropriate parameters that I need to pass it, and then I need to call this function to dispatch the notification, is that correct?

[hasso92]

You could usw a Code like:
Parade.Cloud.define("SendPushToUser", function(request,response){
Parse.Push.send({useMasterKey: true},
{
Query: request.params.query
data: {
alert: request.params.message
}
},
{ success: function() {
// Push was successful
Response.success("push sent")
}, error: function(error) {
Response.error("push failed: " + error.message)
} });
});

You call the cloud fund with the Parms ["query" : YourQuery,"message" :
Pushmessage]

PS: I'm not sure about the location of useMasterKey... I haven't gotten to
the part of sending push notifications. Once I do I would post complete
cloud codes for sending to channels and specific users.
Am Samstag, 18. Juni 2016 schrieb Craig Grummitt :

@nlutsenko https://github.com/nlutsenko Can I second @otymartin
https://github.com/otymartin's comment about being lost.

So I successfully got to Step 4 "Send Push Notifications" in the Parse
Push tutorialhttps://github.com/ParsePlatform/parse-server/wiki/Push and
have notifications working in my app from 'curl'.

But that's where the tutorial seems to stop. I was hoping to request a
notification directly from Swift code... Can you fill in the gap?

I have no experience in cloud code, but I'm guessing what's missing is
that I need to set up a function in cloud code with the appropriate
parameters that I need to pass it, and then I need to call this function to
dispatch the notification, is that correct?

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[craiggrummitt]

Thanks @hasso92 for your help. It was the push I needed to keep going, I had reached my input limit for the day!

The Cloud code function I ended up using had similarities to the CloudPath example:

// iOS push testing
Parse.Cloud.define("iosPush", function(request, response) {

  var user = request.user;
  var params = request.params;
  var someKey = params.someKey
  var data = params.data

  var pushQuery = new Parse.Query(Parse.Installation);
  pushQuery.equalTo('deviceType', 'ios'); // targeting iOS devices only
  pushQuery.equalTo("someKey", someKey)

  Parse.Push.send({
    where: pushQuery, // Set our Installation query
    data: data
  }, { success: function() {
      console.log("#### PUSH OK");
  }, error: function(error) {
      console.log("#### PUSH ERROR" + error.message);
  }, useMasterKey: true});

  response.success('success');
});

I then called it from Swift using the PFCloud.callFunctionInBackground method:

let data = [
    "badge" : "Increment",
    "alert" : "Some message",
]
let request = [
    "someKey" : someKey,
    "data" : data
]
PFCloud.callFunctionInBackground("iosPush", withParameters: request as [NSObject : AnyObject])

I go into this in more detail on my blog.