# encoding: utf-8
module SyllabusesHelper
  def get_syllabuses_by_tag(tag_name)
    Syllabus.tagged_with(tag_name).order('updated_at desc')
  end

  def teacher_count syllabus
    count = 0
    courses = syllabus.courses
    unless courses.empty?
      courses.each do |c|
        count += TeacherAndAssistantCount c
      end
    end
    count
  end

  def student_count syllabus
    count = 0
    courses = syllabus.courses
    unless courses.empty?
      courses.each do |c|
        count += studentCount c
      end
    end
    count
  end

  def file_count syllabus
    count = 0
    courses = syllabus.courses
    unless courses.empty?
      courses.each do |c|
        count += visable_attachemnts_incourse(c).count
      end
    end
    count
  end

  #课程性质下拉框
  def syllabus_type
    type = []
    option1 = []
    option2 = []
    option3 = []
    option4 = []
    option5 = []
    option6 = []

    option1 << "请选择"
    option1 << 0
    option2 << "公共必修课"
    option2 << 1
    option3 << "学科必修课"
    option3 << 2
    option4 << "专业选修课"
    option4 << 3
    option5 << "实践必修课"
    option5 << 4
    option6 << "实践选修课"
    option6 << 5

    type << option1
    type << option2
    type << option3
    type << option4
    type << option5
    type << option6

    type
  end
end