On Feb 11, 2008 5:03 AM, hemant kumar <[EMAIL PROTECTED]> wrote:
>
> On Mon, 2008-02-11 at 00:55 -0800, Alex Soto wrote:
> > does require 'lib/formatters' work?
> >
> >
> > On Feb 10, 2008, at 10:11 PM, John Wells wrote:
> >
> > > Hi guys,
> > >
> > > New to backgroundrb, and I like it very much conceptually, but I'm
> > > struggling to get it to run successfully. I started with trunk, but
> > > was getting a very strange gem require error when starting a worker
> > > (though it wasn't telling me which gem was missing)....see here:
> > > http://pastie.caboo.se/150225
>
> Its not complaining about any missing gems, rather its not able to load
> workers defined inside lib/workers directory. You must define at least
> one worker, before you can start bdrb. In case, you have already defined
> a worker, Can we have a look at the code of your worker?
Thanks for your help. Sure thing...the code is below. However, I'm
very curious...how did you determine this was the problem? Just so I
know what to look for in the future.
===== controller that instantiates worker =====
class Admin::BatchController < Admin::ApplicationController
def initialize
super
@formats = GW::BatchListing::ListingRow.formats
@part_of = :admin
end
def get_progress
if request.xhr?
progress_percent = MiddleMan.get_worker(session[:job_key]).progress
render :update do |page|
page.call('progressPercent', 'progressbar', progress_percent)
page.redirect_to( :action => 'done') if progress_percent >= 100
end
else
redirect_to :action => 'index'
end
end
def done
errors = "DONE " + MiddleMan.get_worker(session[:job_key]).errors
if errors.size > 0
flash[:notice] = errors.join("<br/>")
else
flash[:notice] = "Successful load."
end
MiddleMan.delete_worker(session[:job_key])
end
def add
@user = User.find(params[:id])
@cats = Category.find(:all, :conditions=>"parent_id is null")
if request.post?
listings = params[:listings]
content_type = listings.content_type.chomp
if "application/zip"!=content_type and
"application/x-zip-compressed"!=content_type
flash[:notice] =
"Only files of type application/zip " +
"and application/x-zip-compressed " +
"can be used. You uploaded #{content_type}."
else
# write out to tmp file
tmpfile = "/tmp/#{rand 500000}.zip"
open(tmpfile, "w") do |f|
f << listings.read
end
parser =
GW::BatchListing::ListingParser.new(params[:format],
params[:listing_type],
@user)
session[:job_key] =
MiddleMan.new_worker(:class => :foo_worker,
:args => parser)
end
end
end
end
===== and the worker itself =====
class BatchImportWorker < BackgrounDRb::MetaWorker
attr_reader :progress
attr_reader :errors
set_worker_name :batch_import_worker
def create(args = nil)
# this method is called, when worker is loaded for the first time
end
def do_work(parser)
@progress = 0
@errors = parser.process(tmpfile)
end
end
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