[GeoNode-devel] Geonode notifications (old and new)

Fri May 5 06:24:56 PDT 2017

Hi Cezary,

thanks for the good summary of issues, this will be useful.
As you said the notification app will be completely rewritten soon and I
think that your suggestions are precious.

Have you tried the 2.6.x branch too?

To answer your questions, the reason of forking the apps was for two
reasons:
- we needed to change few small things to make them compatible with geonode
like [1]
- we needed to push them to pypi and launchpad as packages.

and some of them didn't seem maintained anymore when we did it.
They are all used by the geonode ubuntu installer and python installer.

[1]
https://github.com/GeoNode/geonode-notification/commit/41b1b9acbb4ba9f621c1adcdceef692144959b51

2017-05-05 14:35 GMT+02:00 Cezary Statkiewicz <
cezary.statkiewicz at geo-solutions.it>:

>  Hi,
>
>  I wanted to use geonode-notification app [1], but found it won't work
> with GeoNode master branch. I'd like to list problems I've bumped into and
> establish if my understanding is correct:
>
>  * app code itself seems to be a copy of old version of
> pinax-notifications (renamed from django-notification) [2]. Besides
> renaming to geonode-notification, I can't tell if there are any functional
> differences between those two. Core functionality code seems to be not
> updated since then.
>
>  * settings template (notification/notice_settings.html) is present both
> in GeoNode [3] and in app [4], and are almost the same (except for button
> element in the bottom). This is clear code duplication.
>
>  * settings template inherits from notification/base.html, which inherits
> from account/base.html template, which is not present anywhere (not in
> GeoNode, not in geonode-notification/pinax-notifications). Some clue
> would be dependency on django-user-account in pinax app (which was also
> copied to geonode-user-accounts app in the past). So, settings view won't
> work, unless inheritance base is changed to existing template.
>
>  * integration code in GeoNode 2.6 ([5] for example) won't work and won't
> populate Notification types, because signals binding has different
> signature. Proper signal binding involves AppConfig instance, which was
> introduced in Django 1.7. Working integration code is described in updated
> pinax app (see below for similar problem in master branch).
>
>  * Current dev version of GeoNode introduced new notification dispatching
> mechanism [6], which uses notification app as a consumer (not directly, but
> mechanism is used in callbacks [13]). In GNIP PR, there are traces of
> refactoring notification app integration: [7], [8]. Code from [7] uses
> deprecated post_syncdb signal [9][10]. Instead it should use proper
> AppConfig or, as provided by Pinax app docs [11]. I'm not sure why part of
> NoticeTypes are created in signal handler, while other are created with
> script.
>
>  * Some work for making this mechanism optional (or co-working with
> notification app) was started [12], but that PR seems to be in early stages.
>
> My concerns and questions here are as follows:
>
>  1. Why geonode-notification app was created? It doesn't provide any
> additional functionality over original pinax apps.
>
>  2. It seems geonode-notificaiton app is not maintained at all
> (geonode-user-account app as well). Most of code base is 3-4 years old,
> written for pre-1.7 Django versions. There were few commits to update code
> with migrations, but that was whole contribution to this app. There are no
> issues (active nor solved), no pull requests. Is anyone using this app at
> all?
>
>  3. Wouldn't it be better to advice use of pinax apps directly here? As I
> wrote before, geonode-notification app for doesn't provide any new
> functionality.
>
>  References:
>
> [1] https://github.com/GeoNode/geonode-notification
> [2] https://github.com/pinax/pinax-notifications
> [3] https://github.com/GeoNode/geonode/blob/2.6.x/geonode/
> templates/notification/notice_settings.html
> [4] https://github.com/GeoNode/geonode-notification/blob/
> master/notification/templates/notification/notice_settings.html
> [5] https://github.com/GeoNode/geonode/blob/5bd1bfa794d92bb47b2e113f22a1fe
> 1ed1257ff4/geonode/layers/management/__init__.py#L55
> [6] https://github.com/GeoNode/geonode/issues/2889
> [7] https://github.com/GeoNode/geonode/pull/2911/files#diff-
> 3efadb31867c7c011d76f234bf4f3cf9R27
> [8] https://github.com/GeoNode/geonode/pull/2911/files#diff-
> 2e37d4a8264969d920999e14976b60a1R129
> [9] https://github.com/GeoNode/geonode/pull/2911/files#diff-
> 3efadb31867c7c011d76f234bf4f3cf9R35
> [10] https://docs.djangoproject.com/en/1.8/ref/signals/#post-syncdb
> [11] https://github.com/pinax/pinax-notifications/blob/
> master/docs/usage.md#creating-notice-types
> [12] https://github.com/GeoNode/geonode/pull/2995
> [13] https://github.com/GeoNode/geonode/pull/2911/files#diff-
> 65e028487582782a9d3e44fb6a9884bcL165
>
>
> Best Regards,
> Cezary Statkiewicz
>
> --
> ==
> GeoServer Professional Services from the experts!
> Visit http://goo.gl/it488V for more information.
> ==
> Cezary Statkiewicz
> Senior Software Engineer
>
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> Via di Montramito 3/A
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>
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-- 
Simone
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