Rails - Sep 2008 - Using Rails view templates without the Controller? How?

Hi

I have a SupplierBreakdownReport class that uses a rails view to
generate a html report, which then is converted into a PDF, as follows :

class ReportGeneratorController < ApplicationController

..

def supplier_breakdown_report
  ...
  if request.post?
    @report
SupplierBreakdownReport.new(@start_date,@end_date,params[:retailer_trivial_matrices])
    html = render_to_string :action=>"supplier_breakdown_report"
    pdf = generate_pdf(html)
    ...
  end
end

..

end

I now want to detach this report generation from the the Rails
controller so that I can generate these report in the background  (maybe
using BackgroundDRB) without having to go through the rails controller.

I first though about using just ERB but this won''t suffice as custom
rails methods like "render :partial=>...." wont work with ERB.  I
need
the full power of the rails templating system without going through the
controller.

Does anyone have any ideas how to do this?  Any help is appreciated.

Thanks
Chris
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On Sep 12, 5:12 pm, Chris Richards
<rails-mailing-l...-ARtvInVfO7ksV2N9l4h3zg@public.gmane.org>
wrote:
> Hi
>
> I have a SupplierBreakdownReport class that uses a rails view to
> generate a html report, which then is converted into a PDF, as follows :
>
> class ReportGeneratorController < ApplicationController
>
> ..
>
> def supplier_breakdown_report
>   ...
>   if request.post?
>     @report >
SupplierBreakdownReport.new(@start_date,@end_date,params[:retailer_trivial_matrices])
>     html = render_to_string
:action=>"supplier_breakdown_report"
>     pdf = generate_pdf(html)
>     ...
>   end
> end
>
> ..
>
> end
>
> I now want to detach this report generation from the the Rails
> controller so that I can generate these report in the background  (maybe
> using BackgroundDRB) without having to go through the rails controller.
>
> I first though about using just ERB but this won''t suffice as
custom
> rails methods like "render :partial=>...." wont work with ERB.
 I need
> the full power of the rails templating system without going through the
> controller.
>
> Does anyone have any ideas how to do this?  Any help is appreciated.
>
> Thanks
> Chris
> --
> Posted viahttp://www.ruby-forum.com/.
Cells *might* work: http://cells.rubyforge.org/
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Chris Richards wrote:
> Hi
> 
> I have a SupplierBreakdownReport class that uses a rails view to
> generate a html report, which then is converted into a PDF, as follows :
> 
> class ReportGeneratorController < ApplicationController
> 
> ..
> 
> def supplier_breakdown_report
>   ...
>   if request.post?
>     @report >
SupplierBreakdownReport.new(@start_date,@end_date,params[:retailer_trivial_matrices])
>     html = render_to_string
:action=>"supplier_breakdown_report"
>     pdf = generate_pdf(html)
>     ...
>   end
> end
> 
> ..
> 
> end
> 
> I now want to detach this report generation from the the Rails
> controller so that I can generate these report in the background  (maybe
> using BackgroundDRB) without having to go through the rails controller.
> 
> I first though about using just ERB but this won''t suffice as
custom
> rails methods like "render :partial=>...." wont work with ERB.
I need
> the full power of the rails templating system without going through the
> controller.
> 
> Does anyone have any ideas how to do this?  Any help is appreciated.
> 
> Thanks
> Chris

Why aren''t you making the report available as an url? So you can have 
the report at http://yourdomain/report and call this url from your 
backgroundjob with

html = Net::HTTP.get(''www.yourdomain.com'',
''report'')

Let Rails do its stuff the right way and just consume the outcome.
Not tested, but that would be my apporach.

Mike

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