ReportCardMailer.rb

class ReportCardMailer < ActionMailer

def report(user)
    @user = user
    @report_card = user.report_cards.last

    options = {
      to: @user.email,
      from: "admin@yoursite.com",
      subject: "Your Report Card for "@report_card.report_start_time.strftime("%b %d, %Y")" to 
      "@report_card.report_end_time.strftime("%b %d, %Y")""
    }

    mail(options) do |format|
      format.html {
        render locals: {
        user_name = @user.name,
        day_1_grade = @report_card.day_1_grade,
        day_2_grade = @report_card.day_2_grade,
        day_3_grade = @report_card.day_3_grade,
        day_4_grade = @report_card.day_4_grade,
        day_5_grade = @report_card.day_5_grade,
        day_6_grade = @report_card.day_6_grade,
        day_7_grade = @report_card.day_7_grade
        }
      }
    end

  end

end