Thank you Peter for your reply!
I will look into that deeper, but I think first I have to get my
method run in the background.
I found delayed_job and I think that is exactly what I need, but I
can't get it to work!!!
My method in my controller looks like this:
def check
@watchedfamily = Check.new(params[:id]).watchedfamily
redirect_to watchedfamilies_path
end
That calls a very large model called Check, which looks like this:
class Check
attr_reader :watchedfamily
def initialize(id)
@watchedfamily = Watchedfamily.find(id)
.....
....
end
end
I already tried in my controller:
Check.new(params[:id]).delay
or
Delayed::Job.enqueue(Check.new(params[:id]))
For the second try I changed my Check-Model like this:
class Check < Struct.new(:id)
def perform
@watchedfamily = Watchedfamily.find(id)
.....
....
end
end
Nothing worked at all! With the last option I get a entry in my
delayed_jobs table at least, but its never executed. I also tried
"rake jobs", but there I get an error: rake aborted! Don't know how to
build task 'jobs'
I am in development and using WebBrick Server.
I really have no clue how to get this to work!!!
Kind regards
Sebastian
On 12 Mai, 14:41, Peter De Berdt <[email protected]> wrote:
> On 12 May 2011, at 13:19, Sebastian wrote:
>
>
>
>
>
>
>
>
>
> > I have a button that links to a controller which is updating all my
> > entries in my db with new data, called from an external xml-based web
> > service. That can take several minutes, so I want to show the actual
> > progress in the view.
>
> > What is the best approach to do that? Java, AJAX...???
>
> > I found many 'upload progress bars', but I don't want to upload a
> > file.
>
> > I don't need a bar, it would be enough to show how many records are
> > left for updating, like this:
>
> > 1/37
> > ...
> > 11/37
> > ...
> > 25/37
> > ...
> > 37/37 done!
>
> > Best way would be without refreshing the page!
>
> You hand the task over to a background server, whichever flavor you
> prefer (Nanite+Redis, Beanstalkd, …). This means you can keep on
> serving other requests while the task is being done, as well as having
> your user browse to another page (and when he requests the status
> page, you just fetch the current progress).
>
> There's several ways you can pass the progress to the view:
> - Periodical polling through Ajax
> - Some push server technology (there's a Railscast athttp://railscasts.com
> on this subject)
>
> Best regards
>
> Peter De Berdt
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