app/controllers/traces/pictures_controller.rb

   1 module Traces
   2   class PicturesController < ApplicationController
   3     before_action :authorize_web
   4     before_action :check_database_readable
   5
   6     authorize_resource :trace
   7
   8     def show
   9       trace = Trace.visible.imported.find(params[:trace_id])
  10
  11       if trace.public? || (current_user && current_user == trace.user)
  12         if trace.icon.attached?
  13           redirect_to rails_blob_path(trace.image, :disposition => "inline")
  14         else
  15           expires_in 7.days, :private => !trace.public?, :public => trace.public?
  16           send_file(trace.large_picture_name, :filename => "#{trace.id}.gif", :type => "image/gif", :disposition => "inline")
  17         end
  18       else
  19         head :forbidden
  20       end
  21     rescue ActiveRecord::RecordNotFound
  22       head :not_found
  23     end
  24   end
  25 end