educoder/app/helpers/syllabuses_helper.rb

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

  def find_user_not_in_current_syllabus_by_name syllabus
    if params[:q] && params[:q].lstrip.rstrip != ""
      scope = Principal.active.sorted.not_member_of_syllabus(syllabus).like(params[:q])
    else
      scope = []
    end
    principals = paginateHelper scope,10
    s = content_tag('ul', project_member_check_box_tags_ex('membership[user_ids][]', principals), :id => 'principals', :class => 'sy_new_tchlist')
    links = pagination_links_full(@obj_pages, @obj_count, :per_page_links => false, :remote => false, :flag => true){|text, parameters, options|
      link_to text,  host_with_protocol + "/syllabus_member/syl_member_autocomplete?" + parameters.merge(:q => params[:q],:flag => true,:syllabus=> syllabus, :format => 'js').to_query, :remote => true
    }
    s + content_tag('ul', links,:class => 'wlist',:style=>'float:left !important', :id => "syllabus_member_pagination_links" )
  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

  def major_level_option
    content = []
    option0 = []
    option0 << "选择课程所属专业层级"
    option0 << 0
    option1 = []
    option1 << "专科"
    option1 << 3
    option2 = []
    option2 << "本科"
    option2 << 2
    option3 = []
    option3 << "研究生"
    option3 << 1
    content << option0
    content << option1
    content << option2
    content << option3
    content
  end

  def discipline_category_option major_level = 3
    content = []
    option0 = []
    option0 << "选择课程所属学科门类"
    option0 << 0
    content << option0
    DisciplineCategory.where(:major_level => major_level).each do |dis|
      option = []
      option << dis.name.to_s
      option << dis.id
      content << option
    end
    content
  end

  def first_level_discipline_option disc_ca = 27
    content = []
    option0 = []
    option0 << "选择课程所属一级学科"
    option0 << 0
    content << option0
    FirstLevelDiscipline.where(:discipline_category_id => disc_ca).each do |fir_dis|
      option = []
      option << fir_dis.name.to_s
      option << fir_dis.id
      content << option
    end
    content
  end

  def syllabus_type_option
    content = []
    option0 = []
    option0 << "请选择课程性质"
    option0 << 0
    option1 = []
    option1 << "专业选修课"
    option1 << 3
    option2 = []
    option2 << "学科必修课"
    option2 << 2
    option3 = []
    option3 << "公共必修课"
    option3 << 1
    option4 = []
    option4 << "实践选修课"
    option4 << 5
    option5 = []
    option5 << "实践必修课"
    option5 << 4
    content << option0
    content << option1
    content << option2
    content << option3
    content << option4
    content << option5
    content
  end

  def quote_resource_bank resource, course
    atta = Attachment.new(:filename => resource.filename, :disk_filename => resource.disk_filename, :filesize => resource.filesize, :digest => resource.digest, :downloads => 0, :is_publish => 0,
                          :author_id => User.current.id, :description => resource.description, :disk_directory => resource.disk_directory, :is_public => 0, :copy_from => resource.copy_from.nil? ? resource.id : resource.copy_from,
                          :quotes => 0, :resource_bank_id => resource.id, :created_on => Time.now, :content_type =>resource.content_type)
    if course.attachments << atta
      # 更新引用次数
      quotes = resource.quotes.to_i + 1
      resource.update_attribute(:quotes, quotes)
    end
  end

  def quote_homework_bank homework, course
    new_homework = HomeworkCommon.new(:name => homework.name, :user_id => User.current.id, :description => homework.description, :homework_type => homework.homework_type, :late_penalty => 0,
                                      :course_id => course.id, :teacher_priority => 1, :anonymous_comment => 1, :quotes => 0, :is_open => 0,
                                      :homework_bank_id => homework.id, :score_open => 1, :anonymous_appeal => 0)

    new_homework.homework_detail_manual = HomeworkDetailManual.new
    new_homework_detail_manual = new_homework.homework_detail_manual
    new_homework_detail_manual.ta_proportion = new_homework.homework_type == 2 ? 0.4 : 1.0
    new_homework_detail_manual.comment_status = 0
    new_homework_detail_manual.evaluation_num = 3
    new_homework_detail_manual.absence_penalty = 0

    if new_homework.homework_type == 2
      new_homework.homework_detail_programing = HomeworkDetailPrograming.new
      new_homework.homework_detail_programing.ta_proportion = 0.6
      new_homework.homework_detail_programing.language = homework.language
      homework.homework_bank_tests.each_with_index do |homework_test|
        if homework_test.test_type
          new_homework.homework_tests << HomeworkTest.new(
              input: homework_test.input,
              output: homework_test.output
          )
        else
          new_homework.homework_samples << HomeworkSample.new(
              input: homework_test.input,
              output: homework_test.output
          )
        end
      end
    end

    if new_homework.homework_type == 3
      new_homework.homework_detail_group = HomeworkDetailGroup.new
      new_homework.homework_detail_group.min_num = homework.min_num
      new_homework.homework_detail_group.max_num = homework.max_num
      new_homework.homework_detail_group.base_on_project = homework.base_on_project
    end

    if new_homework.save
      new_homework_detail_manual.save if new_homework_detail_manual
      new_homework.homework_detail_programing.save if new_homework.homework_detail_programing
      new_homework.homework_detail_group.save if new_homework.homework_detail_group
      homework.update_column(:quotes, homework.quotes+1)
    end
  end
end