[Aerogear-users] categories have been hijacked

Matthias Wessendorf matzew at apache.org
Mon Apr 18 10:30:11 EDT 2016

Coming back to this, after a loooooooooooooong, looooooong time...

---------- Forwarded message ----------
From: Summers Pittman <supittma at redhat.com>
Date: Tue, Aug 11, 2015 at 2:31 PM
Subject: Re: [Aerogear-users] categories have been hijacked
To: aerogear-users at lists.jboss.org

On Tue, Aug 11, 2015 at 12:43 AM, Kelvin Lunsford <kelvin at qantel.com> wrote:

> Hi Summers,
> GCM topic messages go to all devices registered for the topic. Topic
> notifications cannot be restricted to an alias or list of aliases.
> The way it worked before, and still works on ios, you can send a command
> to UPS with an "alias" name AND a "categories" name and it will only go to
> devices that have registered using that "alias" name AND that "categories"
> name.  UPS finds which devices meet the selection criteria and push
> notification requests are sent for those devices.
> Requests with aliases and categories can target specific users in a group.
> With real "categories" you can segment users into groups, so every device
> can be assigned a category, and sub-groups can be defined by using more
> than one category per device.  This is useful for geographic or
> organizational targeting.
> I have no problem with GCM topics. Just make it a new feature.  Give me
> back my categories.

So the goal isn't to replace or hijack categories with topics. The goal is
to leverage Google's API fully and transparently to the UPS user so that we
make fewer calls and provide a better experience.  You have some great use
cases that haven't been brought up.  Keep in mind that the PRs open right
now are a "first draft" of the technology.

NOTE: Between Google IO 2015 and now, April 2016, there was a change on
topics: No more limitations of subscribed devices! Before it was limited to
1 million.

Now, this also means options :-) We could just auto register each android
device to one topic (e.g. /topics/VARIANT_ID), *IF* there is no category

Regarding the concerns, to 'alias' or any other criteria, my understanding
is that, for now, we just use GCM topic only if nothing else, than the
category is provided to the RESTful Sender API.

However, we could extend our Device Group feature, and kinda group all
devices to a users group, and have the category play in there too. E.g.
have some groups like:
* matthias_football
* matthias_music
but the sending here, would be a message to a device group, not a category


  Feel free to join in on the discussion about topics on aerogear-dev.  It
is really important we do this right and I think you can help with that.


> - Kelvin
> ---------------------------------------------------------------------------------------
> From: aerogear-users-bounces at lists.jboss.org [mailto:
> aerogear-users-bounces at lists.jboss.org] On Behalf Of Summers Pittman
> Sent: Monday, August 10, 2015 6:12 PM
> To: aerogear-users at lists.jboss.org
> Subject: Re: [Aerogear-users] categories have been hijacked
> >
> >On Mon, Aug 10, 2015 at 8:36 PM, Kelvin Lunsford <kelvin at qantel.com>
> wrote:
> >Setting "categories" in the push payload was working for android and ios
> in cordova push plugin 1.1.1.
> >
> >For version 2.0.2 "categories" only works for ios.
> >
> >It looks like "categories" is being hijacked in android for a GCM feature
> called "topics".
> >
> >I liked "categories".  I was using it.  Now it's gone.  GCM topics is not
> a drop-in replacement.  It's not the same thing.
> What do categories do that topics do not do?
> >New features should get new names and new commands.
> >
> >- Kelvin
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Matthias Wessendorf

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