gistfile1.rb

@today_tasks = @incomplete_tasks.where('scheduled_at < ?', Time.zone.now.end_of_day).paginate(per_page: 30, page: params[:today_tasks_page])
    @upcoming_tasks = @incomplete_tasks.where('scheduled_at > ?', Time.zone.now.end_of_day).paginate(per_page: 30, page: params[:upcoming_tasks_page])
    @past_tasks = @complete_tasks.paginate(per_page: 30, page: params[:past_tasks_page]).reorder('scheduled_at desc')

    @job_tags = current_account.tags.where(tag_type: 'Job')

    respond_to do |format|
      format.html 
      format.js do
        @param_name = params.keys.keep_if { |name| name =~ /_page/ }.first
        @tasks_list_name = @param_name.gsub('_page', '')
        @tasks = instance_variable_get("@#{@tasks_list_name}") rescue []
      end
      format.json do
        @today_tasks = @tasks.where('scheduled_at < ? AND scheduled_at > ?', Time.zone.now.end_of_day, Time.zone.now.beginning_of_day)
        @upcoming_tasks = @tasks.where('scheduled_at > ?', Time.zone.now.beginning_of_day)
        @past_tasks = @tasks.where('scheduled_at < ?', Time.zone.now)

        @tasks = case params[:filter_by]
          when 'upcoming'
            @upcoming_tasks
          when 'today'
            @today_tasks
          else
            @past_tasks
        end
        render :json =>  {:total_entries => @tasks.count, :tasks => @tasks }.to_json( :include => {:job => {:include => :customer}})
      end
    end