ruby on rails - Using Carrierwave to upload image and that works but I don't know how to call the :thumb method -


hello here want do... have method checks if image added or not if not placeholder used.

i make if image uploaded on index page :thumb version of image used , when in show page normal image size used.

i have

image_uploader.rb  include carrierwave::rmagick version :thumb process :scale => [335, 182] end  articles_helper  def image_for(article) if article.image.blank? image_tag('placeholder.jpg') else image_tag(article.image) end end  index.html.erb  <p> <%= link_to image_for(article), article %> </p> 

image_tag(article.image)

will like

image_tag(article.image.thumb) or image_tag(article.image(:thumb))

both versions work


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