refactor of user controller

gistfile1.txt

    if user_signed_in?
      @user=current_user
      @subscription= Subscription.new
      @[email protected]
      @all_talks=Talk.all
      @[email protected]_watchings
      @[email protected]_talks
      #initiate totals for each state 
      @total_ny=0
      @total_ny_ethics=0
      @total_ca=0
      @total_ca_ethics=0
      @total_ca_bias=0
      @total_ca_abuse=0

      @certifications.each do |cert|
        talk = cert.talk 
        # NY CREDIT
        talk.state_codes.where(name: 'NY').where.not(credit_category: 'Ethics and Professionalism').each do |code|  
          product= code.credit
          @total_ny += product
        end 

        # NY ETHICS
        talk.state_codes.where(name: 'NY', credit_category: 'Ethics and Professionalism').each do |code|  
          product= code.credit
          @total_ny_ethics += product
        end          

        # CA CREDIT 
        talk.state_codes.where(name: 'CA', credit_category:'General' ).each do |code|  
          product= code.credit
          @total_ca += product
        end 

        # CA ETHICS 
        talk.state_codes.where(name: 'CA', credit_category:'Legal Ethics' ).each do |code|  
          product= code.credit
          @total_ca_ethics += product
        end 

        # CA CREDIT 
        talk.state_codes.where(name: 'CA', credit_category:'Prevention / Detection / Treatment of Substance Abuse or Mental Illness' ).each do |code|  
          product= code.credit
          @total_ca_abuse += product
        end 

        # CA CREDIT 
        talk.state_codes.where(name: 'CA', credit_category:'Elimination of Bias in the Legal Profession' ).each do |code|  
          product= code.credit
          @total_ca_bias += product
        end