activeadmin example

gistfile1.txt

# app/admin/company.rb

ActiveAdmin.register Company do
  config.batch_actions = false
  menu priority: 2
  permit_params :name, :logo, :default_coupon_image, :stores_attributes => [:sector_id, :name]
  
  actions :all, except: [:destroy]
  
  index do
    id_column
    column :name
    column 'Stores' do |r|
      r.stores.count
    end
    column 'Coupon' do |r|
      link_to 'New coupon', new_admin_coupon_path(company_id: r)
    end
    actions
  end
  
  form do |f|
    f.inputs do
      f.input :name
      f.input :logo, hint: "Suggested size 690x690px"
      f.input :default_coupon_image, hint: "This image will be displayed in the coupon if the coupon doesn't have an image. Suggested size 1020x690px"
    end
    
    f.actions
  end
  
  show do |company|
    attributes_table do
      row :id
      row :name
      row :logo do
        image_tag(company.logo.thumb)
      end
      row :default_coupon_image do
        image_tag(company.default_coupon_image.banner)
      end
      row :stores do
        company.stores.map{ |store| link_to(store.name, admin_store_path(store)) }.join("<br>").html_safe
      end
      row :coupons do
        company.coupons.uniq.map{ |coupon| link_to(coupon.title, admin_coupon_path(coupon)) }.join("<br>").html_safe
      end
    end
  end
  
  filter :name, filters: ['contains']
end