[p2pu-dev] Two way communication for notifications and messaging
Jessy Kate Schingler
jessy at jessykate.com
Fri Jun 1 17:44:53 UTC 2012
really cool dirk.
i dont have a particular mail server recommendation though have personally
done more with postfix than exim.
i just did a quick search for "comments reply by email" and noticed that
wordpress implemented this last year. obviously they're php but it might be
interested to take a look at the WP codebase to see how they implemented
it.
looking at facebook notifications, they use emails structured like so:
update+ohlp1evf at facebookmail.com
so i guess update@ is their updates email address and the hash let's them
disambiguate to a specific conversation thread via some kind of script
internally. i think this would be a fun/interesting thing to contribute to
if it gets going, but know my time will be somewhat limited this summer
with internship work.
jessy
On Fri, Jun 1, 2012 at 6:26 AM, Dirk Uys <dirk at p2pu.org> wrote:
> Thanks, having a look at ack atm!
>
> On Fri, Jun 1, 2012 at 3:07 PM, Jos Flores <josmasflores at gmail.com> wrote:
> > Dirk, thanks for the walkthrough, it does make sense.
> >
> > I've noticed you recommend grep... have you tried ack? it's really cool!
> > I use grep very little since I discovered it :)
> >
> > cheers,
> > José
> >
> > On 1 June 2012 09:57, Dirk Uys <dirk at p2pu.org> wrote:
> >> No problem. At the moment the notification code isn't in one place
> >> (something we can work on).
> >>
> >> I'm going to start explaining from the point where the email is sent
> >> to the user and work my way backwards to where notifications are
> >> generated. Please tell me if this ends up being confusing
> >>
> >> Emails are sent to a user by calling
> >> django.contrib.auth.models.User.email_user
> >> (
> https://docs.djangoproject.com/en/dev/topics/auth/#django.contrib.auth.models.User.email_user
> )
> >>
> >> email_user() is called by an async celery task SendNotification
> >> (
> https://github.com/p2pu/lernanta/blob/master/lernanta/apps/users/tasks.py#L25
> )
> >>
> >> SendNotification tasks can be created in multiple places:
> >>
> >> There is a signal
> >> (
> https://github.com/p2pu/lernanta/blob/master/lernanta/apps/content/models.py#L245
> )
> >> that fires when tasks are created or modified. This signal then calls
> >> a function called send_email_notification
> >> (
> https://github.com/p2pu/lernanta/blob/master/lernanta/apps/content/models.py#L213
> )
> >> that creates SendNotifications tasks.
> >>
> >> Another example is sent_creation_notification
> >> (
> https://github.com/p2pu/lernanta/blob/master/lernanta/apps/projects/models.py#L270
> )
> >> thats part of projects.models.Project. This function is called from
> >> the create function
> >> (
> https://github.com/p2pu/lernanta/blob/master/lernanta/apps/projects/models.py#L270/
> )
> >> that in turn gets called in the create view
> >> (
> https://github.com/p2pu/lernanta/blob/master/lernanta/apps/projects/views.py#L189
> )
> >>
> >> I'm not sure at what other places SendNotification tasks are created,
> >> but you can grep to code base to find out. grep -r SendNotification *
> >>
> >> The fact that the places where SendNotification tasks are created are
> >> spread all over isn't a problem in itself, but at the moment checks
> >> for notification preference also seem spread out a bit. For example
> >> task updates (
> https://github.com/p2pu/lernanta/blob/master/lernanta/apps/content/models.py#L234
> ).
> >> It also makes it difficult to implement batching of notifications.
> >>
> >> Than being said, I think that notification may be one of the first
> >> parts of Lernanta that we can put into a separate module without too
> >> much surgery on the whole code base.
> >>
> >> Cheers
> >> d
> >>
> >> On Fri, Jun 1, 2012 at 10:28 AM, Jos Flores <josmasflores at gmail.com>
> wrote:
> >>> Hey Dirk,
> >>>
> >>> I know nothing about the topic but curious about where the
> >>> notifications code is and how it works... could you point me towards
> >>> it?
> >>>
> >>> cheers,
> >>> José
> >>>
> >>>
> >>> On 1 June 2012 09:01, Dirk Uys <dirk at p2pu.org> wrote:
> >>>> Hi
> >>>>
> >>>> I've been thinking a little bit about two way interaction for
> >>>> messaging and notifications. On the software side of things I don't
> >>>> foresee too much trouble, but on the config side of things I'm a
> >>>> little uncertain.
> >>>>
> >>>> Our primary MX record points to google, then @lists.p2pu.org points
> to
> >>>> the service we use for the mailing list. I guess we could use
> >>>> something like @site.p2pu.org? I see that github uses
> >>>> @reply.github.com with something that looks like a one time token.
> >>>>
> >>>> Is there any specific mail server that anyone would suggest? I have
> >>>> always skipped the talk about mail servers when reading linux sysadmin
> >>>> docs :)
> >>>>
> >>>> Cheers
> >>>> d
> >>>>
> >>>> ps. I apologize for the thinking as I type email
> >>>> _______________________________________________
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--
Jessy
http://jessykate.com
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