Hello!
This is old thread but i need some help!
I'd like to take foz's solution for my project using attachment_fu.
I am going to make link to remake thumbs in my view, and i don't need to
rake task.
But I don't know where I should put 'remake_thumbnails!' method in.
I've tried to put the method in 'attachment_fu.rb', but it's not working.
Should I put it in my upload model or wherelse?
And how can I call this method from view or controller?
I am a really beginner in web development using Rails and Ruby.
it will many thanks if you help me.
2009년 11월 30일 월요일 오후 1시 15분 33초 UTC+9, foz 님의 말:
>
> I use a method that rebuilds in my attachment model class:
>
> # use attachment_fu protected methods to remake thumbs
> def remake_thumbnails!
> self.thumbnails.each {|thumb| thumb.destroy}
> temp_file = create_temp_file
> attachment_options[:thumbnails].each do |suffix, size|
> self.create_or_update_thumbnail(temp_file, suffix, *size)
> end
> end
>
> If you want a rake task, just loop through all your attachment records
> and call it. I'm using something similar to this:
>
> namespace :images do
> desc "Rebuild all thumb images made by attachment_fu"
> task :rebuild_thumbnails => :environment do
> conditions = "(whatever you need)"
> count = Image.count(:all, :conditions => conditions) # image is an
> attachment_fu model
> done = 0
> chunk_size = 500
> (0...(count/chunk_size)).each do |i|
> Image.find(:all, :offset => i*chunk_size, :limit =>
> chunk_size, :conditions => conditions).each do |image|
> done = done + 1
> # next if image.id < 46520 # to resume a stopped run
> image.remake_thumbnails!
> percent = "%.2f" % ((done/count.to_f)*100)
> puts "#{i.id} #{percent}% done"
> end
> end
> end
>
>
> On Nov 26, 3:47 pm, eugenio <[email protected]> wrote:
> > i'm using this plugin for files and images uploads.
> > it has a very useful feature that generatethumbnailsof every
> > uploaded image, based on the geometry given in the model definition.
> > now i want to change the size of one of the thumbnail: how can i re-
> > generate them for the already saved image?
> >
> > i found thishttp://github.com/kete/kete/blob/master/lib/tasks/tools.rake
> > but i don't understand how to use it.
>
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