orbit4-5/app/controllers/admin/dashboards_controller.rb

class Admin::DashboardsController < OrbitAdminController
  layout "basic_back_end"

  def index
    # check_backend_openness
    apps = ['bulletin', 'page', 'page_context', 'web_link']
    @module_app_contents, @module_app_contents_total = get_module_app_count(apps)
    @recent_updated = get_recently_updated(apps)
    @most_visited = get_most_visited(apps)
  end

  def reload_all_content
    @module_app_contents, @module_app_contents_total = get_module_app_count('bulletin', 'page_context', 'web_link')
    respond_to do |format|
      format.js { render 'reload', locals: {div_id: 'all_content'} }
    end
  end

  def reload_most_visited
    @most_visited = get_most_visited('bulletin', 'page_context','page')
    respond_to do |format|
      format.js { render 'reload', locals: {div_id: 'most_visited'} }
    end
  end

  def reload_recent_update
    @recent_updated = get_recently_updated('bulletin', 'page_context', 'web_link')
    respond_to do |format|
      format.js { render 'reload', locals: {div_id: 'recent_update'} }
    end
  end

  def get_cpu_usage
    @usw = Usagewatch
    render :js => @usw.uw_cpuused.to_s
  end

  def get_mem_usage
    @usw = Usagewatch
    render :js => @usw.uw_memused.to_s
  end

  def get_disk_usage
    @usw = Usagewatch
    render :json => @usw.uw_diskused_perc.to_s
  end

  protected

  def get_module_app_count(args)
    a = {}
    total = 0
    args.each do |module_app|
      module_app_class = module_app.classify.constantize
      count = module_app_class.count
      a.merge!(module_app => count)
      total += count
    end
    [Kaminari.paginate_array(a.sort {|a,b| b[1]<=>a[1]}).page(params[:page]).per(5), total]
  end

  def get_recently_updated(args)
    a = {}
    args.each do |module_app|
      module_app_class = module_app.classify.constantize
      objects = module_app_class.order_by([:updated_at, :desc]).limit(20)
      objects.each do |object|
        a.merge!(object => object.updated_at) unless (object.archived rescue nil)
      end
    end
    sorted_objects = a.sort {|a,b| b[1]<=>a[1]}
    sorted_objects[0..19]
    Kaminari.paginate_array(sorted_objects).page(params[:page]).per(5)
  end

  def get_most_visited(args)
    a = {}
    args.each do |module_app|
      module_app_class = module_app.classify.constantize
      objects = module_app_class.order_by([:view_count, :desc]).limit(20)
      objects.each do |object|
        a.merge!(object => object.view_count) if object.view_count > 0 && (!object.archived rescue true)
      end
    end
    sorted_objects = a.sort {|a,b| b[1]<=>a[1]}
    sorted_objects[0..19]
    Kaminari.paginate_array(sorted_objects).page(params[:page]).per(5)
  end
end