inspect_helper :D

inspect_helper.rb

###
# helper_name:inspect_helper
# author: Whien_Liou
# time: 2014/07/23
#
# usage
# 請在增加 config/initializers/inspect_helper.rb
# 加入下列幾行代碼
# 在 controller 使用
# 
# @product = Product.all
# render html: @product.inspect_helper_model 即可
# ..
# Peace :D

require 'action_view'
module ActiveRecord
  module Core

    include ActionView::Helpers::FormTagHelper

    def inspect_helper_model
      result = ""
      inspection = if defined?(@attributes) && @attributes
                     self.class.column_names.collect do |name|
                       if has_attribute?(name)
                         %[<p><h3><span class=\"label label-success\">#{name}</span></h3></p><p class=\"text-center\">#{attribute_for_inspect_helper(name)}</p>]
                       end
                     end
                   else
                     %[not initialized]
                   end
      inspection.each do |value|
        result += %[<td class="text-center">#{value}</td>]
      end
      inspect_helper_table_create(%[<h1 class=\"text-center\"><span class=\"label label-danger\">##{self.class}</span></h1>], result).html_safe
    end

    def inspect_helper_table_create(title_attr, tag_result)
        create_css + %[<table class=\"table table-hover\">#{title_attr}#{tag_result}</table>]
    end

  end
end

module ActiveRecord
  # = Active Record Attribute Methods
  module AttributeMethods
    extend ActiveSupport::Concern
    include ActiveModel::AttributeMethods

    def attribute_for_inspect_helper(attr_name)
      value = read_attribute(attr_name)
    end

  end
end

module ActiveRecord
  class Relation
    def inspect_helper_model
      result = ""
      gsub_reg = /(#<)/
      gsub_reg_last = /(\"\>)/
      entries = to_a.take([limit_value, 11].compact.min).map!(&:inspect)
      #entries[10] = '...' if entries.size == 11

        entries.each do |entries|
          result += %[<tr><td>] + entries + %[</td></tr>]
        end

        tag_result = %[<p><h1><span class=\"label label-danger\">#{self.class.name}</span></h1></p>] + %[<table class=\"table table-hover\">] + result.gsub!(gsub_reg, "").gsub!(gsub_reg_last, "") + %[</table>]
        (create_css + tag_result).html_safe
    end
  end
end

def create_css
  %[<link data-turbolinks-track=\"true\" href=\"/assets/bootstrap.css?body=1\" media=\"all\" rel=\"stylesheet\" />]
end