Class: PreviewController

Inherits:
ActionController::Base
  • Object
show all
Defined in:
app/controllers/preview_controller.rb

Constant Summary collapse

Languages = 
[:ruby, :python, :java, :js, :scss, :sass, :haml, :json, 
:go, :sql, :yaml, :c, :coffee, :properties]

Instance Method Summary collapse

Instance Method Details

#download ⇒ Object 



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# File 'app/controllers/preview_controller.rb', line 42

def download
  clazz, id = params[:type].classify.constantize, params[:id] 
  r = clazz.find(id)
  render_native(r.content, r.content_type)
end

#index ⇒ Object 



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# File 'app/controllers/preview_controller.rb', line 6

def index
  clazz, id = params[:type].classify.constantize, params[:id] 
  r = clazz.find(id)
  type, ext = r.content_type[/^[^\/]+/].to_sym, r.content_type[/(?<=\/)(x-)?(.+)/, 2].to_sym
  if Languages.include?(ext)
    @code = CodeRay.scan(r.content, ext).div(:line_numbers => :table, :css => :class)
    render 'code', layout: 'coderay'
  elsif [:pdf, :html].include?(ext)
    render_native(r.content, r.content_type)
  else
    case type
    when :text
      render_native(r.content, 'text/plain')
    when :image
      render_native(r.content, r.content_type)
    else
      @resource = r
      render 'download', layout: 'coderay'
    end
  end
end

#open ⇒ Object 



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# File 'app/controllers/preview_controller.rb', line 28

def open
  case RUBY_PLATFORM
  when /darwin/i
    open_osx_file
  when /linux/i
    open_linux_file
  when /cygwin|mswin|mingw|bccwin|wince|emx/
    open_windows_file
  else
    #other
  end
  head :no_content
end