Hi spncrgr :D
I am trying to do something similar...Is there a possibility that you have
this project on Github? (or somewhere, where i can view the code?)
Thank you in advance
George.
On Tuesday, 7 December 2010 22:53:25 UTC+2, spncrgr wrote:
>
> I was finally able to get this to work. I ditched Paperclip and went
> with putting the code in the controller. Taking it in baby steps, I
> was able to work out this code for the controller:
>
> def upload
> ((params[:upload][:file]).read).strip.split("\r\n").each do |line|
> email, account_number, sub_number, eid, premium_code, keycode,
> order_date, description = line.split("\t")
>
> new_record = MailingList.new(:email => email, :account_number =>
> account_number, :sub_number => sub_number,
> :eid => eid, :premium_code =>
> premium_code, :keycode => keycode,
> :order_date =>
> order_date, :description => description)
> new_record.save
> end
>
> redirect_to :action => index
> end
>
> Thanks again to everyone. Ultimately it was all of your replies that
> helped me piece it together.
>
> Thanks!
> Spencer
>
> On Dec 7, 10:11 am, Walter Lee Davis <[email protected]> wrote:
> > On Dec 6, 2010, at 6:50 PM, David Kahn wrote:
> >
> > > You are mistaken, and although I came late to the Paperclip party, I
> > > can't recall a time when it was true. You can edit the model without
> > > modifying the image (just don't upload another image) and everything
> > > stays the same in the image, or you can upload a new image and it
> > > will overwrite the previous version. It's all managed when you save
> > > the model that the image is attached to.
> >
> > > Right, but what I wanted was to be able to load a model instance,
> > > change the file (say I encrypt a portion of the text) and have
> > > Paperclip update that file on its own when I call model#save. I am
> > > pretty sure Paperclip does not do this. Right, you can re-save the
> > > file but it requires manual action beyond calling model#save.
> >
> > If you code your transformation within a Paperclip Processor, you can
> > have any number of different transformed versions. Here's one that
> > extracts the text from an uploaded PDF:
> >
> > #lib/paperclip_processors/text.rb
> > module Paperclip
> > # Handles extracting plain text from PDF file attachments
> > class Text < Processor
> >
> > attr_accessor :whiny
> >
> > # Creates a Text extract from PDF
> > def make
> > src = @file
> > dst = Tempfile.new([@basename, 'txt'].compact.join("."))
> > command = <<-end_command
> > "#{ File.expand_path(src.path) }"
> > "#{ File.expand_path(dst.path) }"
> > end_command
> >
> > begin
> > success = Paperclip.run("/usr/bin/pdftotext -nopgbrk",
> > command.gsub(/\s+/, " "))
> > Rails.logger.info "Processing #{src.path} to #{dst.path} in
> > the text processor."
> > rescue PaperclipCommandLineError
> > raise PaperclipError, "There was an error processing the text
> > for #{@basename}" if @whiny
> > end
> > dst
> > end
> > end
> > end
> >
> > You call it from your model, like this:
> >
> > #app/models/document.rb
> > ...
> > has_attached_file :pdf,:styles => { :text => { :fake =>
> > 'variable' } }, :processors => [:text]
> > ...
> >
> > The :fake => 'variable' part is just in there to get the offset
> > correct for the processors variable. I am not sure if it's still
> > needed, but I have been doing it this way since early this summer.
> >
> > Later, you can access that version of the file as you would any other
> > paperclip-attached model attribute. In this example, this might look
> > like document.pdf.url(:text). Your untouched original will always be
> > at document.pdf.url(:original).
> >
> > Walter
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