class SalesmanChannel < ApplicationRecord
  belongs_to :salesman, :touch => true, counter_cache: true
  belongs_to :school

  def school_name
    school.name
  end

  def teacher_count
    UserExtension.where(school_id: school_id).where.not(identity: 1).count
  end

  def student_count
    UserExtension.where(school_id: school_id, identity: 1).count
  end

  def course_count
    Course.where(school_id: school_id).count
  end

  def shixuns_count
    ShixunMember.joins("join user_extensions on user_extensions.user_id = shixun_members.user_id")
        .where(user_extensions: {school_id: school_id}).pluck(:shixun_id).uniq.count
  end


end