785 lines
27 KiB
Ruby
785 lines
27 KiB
Ruby
# encoding: utf-8
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## This helper be included in applicationHelper
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module CoursesHelper
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=begin
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1. define TeacherRoles, StudentRoles
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2. define count function
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3. define search by roles
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4. define search member function
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=end
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#TeacherRoles = [3, 4, 7, 9]
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#StudentRoles = [5, 10]
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#AllPeople = StudentRoles+TeacherRoles
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## return people count
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# 推荐的精品课程
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def excellent_course_recommend course
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q = "%#{course.name.strip}%"
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result = find_excelletn_course(q, course)
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end
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# 查询符合条件的精品课程
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def find_excelletn_course keywords, course
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# 用新课程名去匹配精品课程中按课程名和Tag名
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sql = "SELECT distinct c.* FROM `courses` c, tags t, taggings ts where t.id = ts.tag_id and ts.taggable_id = c.id and c.is_excellent = 1 and is_delete = 0 and
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ts.taggable_type = 'Course' and (t.name like '%#{keywords}%'or c.name like '%#{keywords}%')"
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resultSetTag = Course.find_by_sql(sql).select{|e_course| e_course.is_public ==1 unless User.current.member_of_course?(e_course)}.first(3)
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resultSetTag
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end
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# 判断精品课程是否可见，非课程成员无法查看私有课程
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def visible_excellent_course obj
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# if course.is_pu
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end
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# 返回x项目成员数量，即roles表中定义的所有成员
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def projectCount project
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#searchCountByRoles project, AllPeople
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project.members.count
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end
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# 返回教师数量，即roles表中定义的Manager
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def teacherCount project
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project ? project.members.count - studentCount(project).to_i : 0
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# or
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# searchTeacherAndAssistant(project).count
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end
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def show_nav?(count)
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count == 0 ? true : false
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end
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#课程模块需要展示的模块
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def course_model
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@nav_dispaly_course_all_label = 1
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@nav_dispaly_forum_label = 1
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@nav_dispaly_course_label = nil
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@nav_dispaly_store_all_label = 1
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end
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#生成课程老师成员链接
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def course_teacher_link teacher_num
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if User.current.member_of_course?(@course) || User.current.admin?
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link_to "#{teacher_num}", course_member_path(@course, :role => 1), :class => 'info_foot_num c_blue', :id => 'teacher_number'
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else
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content_tag 'span',teacher_num, :class => 'info_foot_num c_blue'
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end
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end
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#生成课程学生列表连接
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def course_student_link student_num
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if (User.current.logged? && @course.open_student == 1) || (User.current.member_of_course?(@course)) || User.current.admin?
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link_to "#{student_num}", course_member_path(@course, :role => 2), :class => 'info_foot_num c_blue', :id => "student_number"
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else
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content_tag 'span',student_num, :class => 'info_foot_num c_blue'
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end
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end
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def course_poll_count
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Poll.where("polls_type = 'Course' and polls_group_id = #{@course.id} and polls_status in (2,3)").count
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end
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def course_feedback_count
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@course.journals_for_messages.where('m_parent_id IS NULL').count
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end
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# 返回学生数量，即roles表中定义的Reporter
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#def studentCount project
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# searchStudent(project).count
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# or
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# searchStudent(project).count
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# end
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# 判断用户是否是课程的管理员
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# add by nwb
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def is_course_manager?(user_id,course_id)
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@result = false
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@user_id = CourseInfo.find_by_course_id(course_id)
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if @user_id == user.id
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@result = true
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end
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return @result
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end
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# 返回课程设置界面
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def course_settings_tabs
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tabs = [{:name => 'info', :action => :edit_course, :partial => 'courses/edit', :label => :label_information_plural},
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{:name => 'members', :action => :manage_members, :partial => 'courses/settings/members', :label => :label_member_plural}
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]
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tabs.select { |tab| User.current.allowed_to?(tab[:action], @course) }
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end
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#是否启动互评下拉框
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def is_evaluation_option
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type = []
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option1 = []
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option2 = []
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option1 << l(:lable_start_mutual_evaluation)
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option1 << 1
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option2 << l(:lable_close_mutual_evaluation)
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option2 << 2
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type << option1
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type << option2
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end
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# garble count 混淆数量
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# alias projectCountOrigin projectCount
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# def projectCount project
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# count = projectCountOrigin project
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# garble count
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# end
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def homework_type_option
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type = []
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option1 = []
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option2 = []
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option1 << l(:label_task_submit_form_accessory)
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option1 << 1
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option2 << l(:label_task_submit_form_project)
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option2 << 2
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type << option1
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type << option2
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end
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def proportion_option
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type = []
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i = 0
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while i <= 100
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option = []
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option << i.to_s + "%"
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option << i
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type << option
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i = i + 10
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end
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type
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end
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#alias teacherCountOrigin teacherCount
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#def teacherCount project
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# count = teacherCountOrigin project
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# garble count
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#end
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# 注意：此方法有问题，速度慢且结果不准
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# alias studentCountOrigin studentCount
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#def studentCount course
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# count = studentCountOrigin course
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#garble count
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# end
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#获取课程所有成员
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def course_all_member course
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course.members
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end
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# 学生人数计算
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# add by nwb
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def studentCount course
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course ? course.student.count.to_s : 0#course.student.count
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end
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#课程成员数计算
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def memberCount course
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count = searchStudent(course).count + searchTeacherAndAssistant(course).count
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count.to_s
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end
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def eventToLanguageCourse event_type, course
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case event_type
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when "issue-note"
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l :label_issue
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when "issue"
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l :label_issue
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when "attachment"
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l :label_attachment
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when "news"
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l :label_notification
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else
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""
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end
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end
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def garble count
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count = count.round( 1-count.to_s.size ).to_i
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return count.to_s if count.to_s.size.eql?(1)
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count.to_s << '+'
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end
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# =====================================================================================
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# return people list
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def searchTeacherAndAssistant project
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#searchPeopleByRoles(project, TeacherRoles)
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members = []
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project.members.each do |m|
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members << m if m && m.user && m.user.allowed_to?(:as_teacher,project)
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end
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members
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end
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def search_student_in_group(project, course_group_id)
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#searchPeopleByRoles(project, StudentRoles)
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members = []
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project.members.each do |m|
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members << m if m && m.user && m.user.allowed_to?(:as_student,project)
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end
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members
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end
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def searchStudent project
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#searchPeopleByRoles(project, StudentRoles)
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members = []
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project.members.each do |m|
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if m && m.user && m.user.allowed_to?(:as_student,project)
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members << m
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end
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end
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members
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end
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def searchStudent_by_name project, name
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#searchPeopleByRoles(project, StudentRoles)
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members = []
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project.members.each do |m|
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if m && m.user && m.user.allowed_to?(:as_student,project)
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username = m.user[:lastname].to_s + m.user[:firstname].to_s
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if(m.user[:login].to_s.include?(name) || m.user.user_extensions[:student_id].to_s.include?(name) || username.include?(name))
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members << m
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end
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end
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end
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members
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end
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def searchmember_by_name members, name
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#searchPeopleByRoles(project, StudentRoles)
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mems = []
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if name != ""
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name = name.to_s.downcase
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members.each do |m|
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username = m.user[:lastname].to_s.downcase + m.user[:firstname].to_s.downcase
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if(m.user[:login].to_s.downcase.include?(name) || m.user.user_extensions[:student_id].to_s.downcase.include?(name) || username.include?(name))
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mems << m
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end
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end
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else
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mems = members
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end
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mems
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end
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def searchgroupmember_by_name members, name, group
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#searchPeopleByRoles(project, StudentRoles)
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mems = []
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if name != ""
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members.each do |m|
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if m.course_group_id == group.id
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username = m.user[:lastname].to_s + m.user[:firstname].to_s
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if(m.user[:login].to_s.include?(name) || m.user.user_extensions[:student_id].to_s.include?(name) || username.include?(name))
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mems << m
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end
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end
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end
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else
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mems = members
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end
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mems
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end
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def searchgroupstudent_by_name(group, project, name)
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members = []
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group.members.each do |m|
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if m && m.user && m.user.allowed_to?(:as_student,project)
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username = m.user[:lastname].to_s + m.user[:firstname].to_s
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if(m.user[:login].to_s.include?(name) || m.user.user_extensions[:student_id].to_s.include?(name) || username.include?(name))
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members << m
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end
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end
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end
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members
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end
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def searchStudent_by_group group, project
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#searchPeopleByRoles(project, StudentRoles)
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members = []
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group.members.each do |m|
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members << m if m && m.user && m.user.allowed_to?(:as_student,project)
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end
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members
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end
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# =====================================================================================
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#def searchCountByRoles project, roles_id
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# members = searchPeopleByRoles project, roles_id
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# members.count
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#end
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#def searchPeopleByRoles project, roles_id
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# members = []
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# begin
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# members = project.members.joins(:member_roles).where("member_roles.role_id IN (:role_id)", {:role_id => roles_id})
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# rescue Exception => e
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# logger.error "[CoursesHelper] ===> #{e}"
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# end
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# members
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#end
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def sort_courses(state)
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content = ''.html_safe
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case state
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when 0
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content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:courses_sort_type => '1')))
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content << content_tag('li', link_to(l(:label_sort_by_influence), courses_path(:courses_sort_type => '2')))
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content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:courses_sort_type => '0'), :class=>"selected"), :class=>"selected")
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when 1
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content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:courses_sort_type => '1'), :class=>"selected"), :class=>"selected")
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content << content_tag('li', link_to(l(:label_sort_by_influence), courses_path(:courses_sort_type => '2')))
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content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:courses_sort_type => '0')))
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when 2
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content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:courses_sort_type => '1')))
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content << content_tag('li', link_to(l(:label_sort_by_influence), courses_path(:courses_sort_type => '2'), :class=>"selected"), :class=>"selected")
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content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:courses_sort_type => '0')))
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end
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content = content_tag('ul', content)
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content_tag('div', content, :class => "tabs")
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end
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def render_course_hierarchy(courses)
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render_course_nested_lists(courses) do |course|
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s = link_to_course(course, {}, :class => "#{course.css_classes} #{User.current.member_of_course?(course) ? 'my-course' : nil}").html_safe
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s
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end
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end
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#useless
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#def searchMembersByRole project, role_id
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# members = []
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# begin
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# members = project.members.joins(:member_roles).where("member_roles.role_id = :role_id", {:role_id => role_id })
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# rescue Exception => e
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# logger.error "[CoursesHelper] ===> #{e}"
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# end
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# members
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#end
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def sort_course(state, school_id)
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content = ''.html_safe
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case state
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when 0
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content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0'), :school_id => school_id, :class=>"selected"), :class=>"selected")
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content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id)))
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content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id)))
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when 1
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content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0', :school_id => school_id)))
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content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id), :class=>"selected"), :class=>"selected")
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content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id)))
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when 2
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content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0', :school_id => school_id)))
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content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id)))
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content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id)))
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#gcm
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when 3
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content << content_tag('li', link_to(l(:label_sort_by_time), courses_path(:course_sort_type => '0', :school_id => school_id)))
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content << content_tag('li', link_to(l(:label_sort_by_active), courses_path(:course_sort_type => '1', :school_id => school_id)))
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content << content_tag('li', link_to(l(:label_sort_by_activity), courses_path(:course_sort_type => '3', :school_id => school_id), :class=>"selected"), :class=>"selected")
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end
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#gcmend
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content = content_tag('ul', content)
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content_tag('div', content, :class => "tabs")
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end
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def findCourseTime project
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str = ""
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begin
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@course = Course.find_by_extra(@project.identifier)
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date_format = l(:zh_date)[:formats][:default]
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if @course
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str = DateTime.parse(@course.setup_time.to_s).strftime("#{date_format}").to_s unless @course.setup_time.blank?
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str << '-' unless @course.setup_time.blank?
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str << DateTime.parse(@course.endup_time.to_s).strftime("#{date_format}").to_s unless @course.endup_time.blank?
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end
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rescue Exception => e
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logger.error "[CoursesHelper] ===> #{e}"
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end
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str
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end
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# added by meng
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# 课程time+term简写（2014.春/2014.秋）国际化输出
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def get_course_term course
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strterm = course.try(:term).to_s
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if !(User.current.language == 'zh'||User.current.language == '')
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strterm == '春季学期' ? strterm = 'spring term' : strterm = 'autumn term'
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str = ( course.try(:time).to_s << '.' << strterm )
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str[0..-6]
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else
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str = ( course.try(:time).to_s << '.' << strterm )
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str[0..-4]
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end
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end
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# added by meng
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# 课程term（春季学期/秋季学期）国际化输出
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def get_course_term_locales course
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str = course.try(:term).to_s
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if !(User.current.language == 'zh'||User.current.language == '')
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str == '春季学期' ? str = ' ' + 'spring term' : str = ' ' + 'autumn term'
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end
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return str
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end
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def members_to_user_ids members
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people = []
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members.each { |member|
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people << member.user_id
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}
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people
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end
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# 截至到2014-03-17 这个是最终的判断课程是否过期的方法
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def course_endTime_timeout? course
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end_time_str = course.try(:endup_time)
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begin
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cTime = Time.parse(end_time_str.to_s)
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rescue TypeError,ArgumentError
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cTime = Time.parse("3000-01-01")
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end
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now = Time.now
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now > cTime
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end
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def find_by_extra_from_project extra
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Course.find_by_extra(try(extra))
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end
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#判断指定用户是不是当前课程的老师
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def is_course_teacher (user,course)
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user.allowed_to?(:as_teacher,course)
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end
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#当前用户是不是指定课程的学生
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def is_cur_course_student course
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User.current.logged? && User.current.member_of_course?(course) && !(User.current.allowed_to?(:as_teacher,course))
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end
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#获取当前用户在指定作业下提交的作业的集合
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def cur_user_homework_for_bid bid
|
||
bid.homeworks.where("user_id = ?",User.current)
|
||
end
|
||
|
||
#判断当前用户对指定作业是否已经评价过
|
||
def has_evaluation? homework
|
||
seem_count = homework.rates(:quality).where("rater_id = ?",User.current).count
|
||
seem_count > 0
|
||
end
|
||
|
||
#获取指定作业的所有成员
|
||
def users_for_homework homework
|
||
homework.nil? ? [] : (homework.users + [homework.user])
|
||
end
|
||
|
||
#获取指定项目的得分
|
||
def project_score project
|
||
issue_count = project.issues.count
|
||
issue_journal_count = project.issue_changes.count
|
||
issue_score = issue_count * 0.2
|
||
issue_journal_score = issue_journal_count * 0.1
|
||
finall_issue_score = issue_score + issue_journal_score
|
||
new_count = project.news.count
|
||
new_score = new_count * 0.1
|
||
finall_new_score = new_score
|
||
document_count = project.documents.count
|
||
file_score = document_count * 0.1
|
||
finall_file_score = file_score
|
||
changeset_count = project.changesets.count
|
||
code_submit_score = changeset_count * 0.3
|
||
finall_code_submit_score = code_submit_score
|
||
board_message_count = 0
|
||
project.boards.each do |board|
|
||
board_message_count += board.messages_count
|
||
end
|
||
topic_score = board_message_count * 0.1
|
||
#finall_topic_score = topic_score
|
||
finall_project_score = finall_issue_score + finall_new_score + finall_file_score + finall_code_submit_score + topic_score
|
||
format("%.2f",finall_project_score)
|
||
end
|
||
|
||
#获取指定作业的参与人员
|
||
#返回结果：张三、李四、王五
|
||
def homework_user_of_homework homework,is_teacher
|
||
homework_users = ""
|
||
homework.users.each do |user|
|
||
homework_users = homework_users + (is_teacher ? (user.lastname + user.firstname) : user.login)
|
||
if user != homework.users.last
|
||
homework_users = homework_users + "、"
|
||
end
|
||
end
|
||
return homework_users
|
||
end
|
||
|
||
def get_courses_by_tag(tag_name)
|
||
Course.tagged_with(tag_name).order('updated_at desc')
|
||
end
|
||
|
||
#课程实践年份下拉框
|
||
def course_time_option year
|
||
type = []
|
||
month = Time.now.month
|
||
now_year = year.nil? ? Time.now.year : (Time.now.year <= year ? Time.now.year : year)
|
||
year = month < 3 ? now_year - 1 : now_year
|
||
for i in (year..year + 10)
|
||
option = []
|
||
option << i
|
||
option << i
|
||
type << option
|
||
end
|
||
type
|
||
end
|
||
|
||
#课程课时下拉框
|
||
def course_term_option
|
||
type = []
|
||
option1 = []
|
||
option1 << l(:label_spring)
|
||
option1 << l(:label_spring)
|
||
option2 = []
|
||
option2 << l(:label_summer)
|
||
option2 << l(:label_summer)
|
||
option3 = []
|
||
option3 << l(:label_autumn)
|
||
option3 << l(:label_autumn)
|
||
type << option1
|
||
type << option2
|
||
type << option3
|
||
type
|
||
end
|
||
|
||
def cur_course_term
|
||
month = Time.now.month
|
||
if month >= 9 || month < 3
|
||
term = "秋季学期"
|
||
else
|
||
term = "春季学期"
|
||
end
|
||
term
|
||
end
|
||
|
||
def course_in_current_or_next_term course
|
||
is_current_term = false
|
||
is_next_term = false
|
||
year_now = Time.now.month < 3 ? Time.now.year - 1:Time.now.year
|
||
if course.time == year_now && course.term == cur_course_term
|
||
is_current_term = true
|
||
end
|
||
if cur_course_term == "秋季学期" && course.time == (year_now + 1) && course.term == "春季学期"
|
||
is_next_term = true
|
||
elsif cur_course_term == "春季学期" && course.time == year_now && course.term == "夏季学期"
|
||
is_next_term = true
|
||
elsif cur_course_term == "夏季学期" && course.time == year_now && course.term == "秋季学期"
|
||
end
|
||
is_current_term || is_next_term
|
||
end
|
||
|
||
#获取课程动态
|
||
def get_course_activity courses, activities
|
||
@course_ids=activities.keys()
|
||
days = Setting.activity_days_default.to_i
|
||
#原来课程动态计算当期时间前(一年+一月)的动态
|
||
# date_to ||= Date.today + 1
|
||
# #date_from = date_to - days-1.years
|
||
|
||
date_from = @course.created_at.to_date-days
|
||
#file_count
|
||
Attachment.where(container_id: @course_ids, container_type: Course).where("created_on>?", date_from).each do |attachment|
|
||
if attachment.is_public? || User.current.member_of_course?(@course) || User.current.admin?
|
||
activities[attachment.container_id]+=1
|
||
else
|
||
activities[attachment.container_id]
|
||
end
|
||
end
|
||
|
||
#message_count
|
||
Board.where(course_id: @course_ids).each do |board|
|
||
countmessage = 0
|
||
# 课程人员退出课程后，之前在讨论区回帖不计入课程动态统计
|
||
board.messages.where("updated_on>?", date_from).each do |message|
|
||
if message.author.member_of_course?(@course)
|
||
countmessage+=1
|
||
end
|
||
end
|
||
activities[board.course_id]+=countmessage
|
||
end
|
||
|
||
#news
|
||
News.where(course_id: @course_ids).where("created_on>?",date_from).each do |news|
|
||
if news.author.member_of_course?(@course)
|
||
activities[news.course_id]+=1
|
||
end
|
||
end
|
||
|
||
#homework_count
|
||
# HomeworkForCourse.where(course_id: @course_ids).each do |homework|
|
||
# countbid=0
|
||
# # @bid_ids<<homework.bid_id
|
||
# Bid.where(id: homework.bid_id).where("created_on>?",date_from).each do |bid|
|
||
# countbid+=1
|
||
# end
|
||
# activities[homework.course_id]+=countbid
|
||
# end
|
||
|
||
#poll_count
|
||
# 动态目前只统计发布的问卷，关闭的问卷不在动态内显示
|
||
# Poll.where(polls_group_id: @course_ids, polls_type: Course, polls_status: 2||3).where("published_at>?",date_from).each do |poll|
|
||
Poll.where(polls_group_id: @course_ids, polls_type: Course, polls_status: 2||3).where("published_at>?",date_from).each do |poll|
|
||
activities[poll.polls_group_id]+=1
|
||
end
|
||
#end
|
||
|
||
|
||
# 动态数 + 1 ( 某某创建了该课程 )
|
||
activities.each_pair { |key, value| activities[key] = value + 1 }
|
||
return activities
|
||
end
|
||
|
||
#获取某个课程的动态数
|
||
def course_activity_count course
|
||
course_activity_count=Hash.new
|
||
course_activity_count[course.id]=0
|
||
count = get_course_activity([course],course_activity_count)[course.id]
|
||
count.nil? ? 0 : count
|
||
end
|
||
|
||
#重启、关闭课程按钮
|
||
def set_course_time course
|
||
# id = "finish_course_#{course.id}"
|
||
# linkPath = course_endTime_timeout?(course) ? restartcourse_course_path(course) : finishcourse_course_path(course, format: :js)
|
||
# desc = course_endTime_timeout?(course) ? l(:label_course_reload) : l(:label_course_closed)
|
||
# link_to "<span class='pr_close'></span>#{desc}".html_safe, linkPath, :remote => true, :method => :post, :id => id, :confirm => l(:label_course_closed_tips, :desc => desc), :class => "pr_join_a"
|
||
end
|
||
|
||
#加入课程、退出课程按钮
|
||
def join_in_course_header(course, user, options=[])
|
||
if user.logged?
|
||
joined = course.members.map{|member| member.user_id}.include? user.id
|
||
text = joined ? ("<em class='pr_arrow'></em>".html_safe + l(:label_course_exit_student)) : ("<em class='pr_add'></em>".html_safe + l(:label_course_join_student))
|
||
url = joined ? join_path(:object_id => course.id) : try_join_path(:object_id => course.id)
|
||
method = joined ? 'delete' : 'post'
|
||
if joined
|
||
link = "<span class='pr_join_span mr5' ><em class='pr_add'></em>#{l(:label_course_join_student)}</span>" + link_to(text, url, :remote => true, :method => method, :class => "pr_join_a", :id => "#{course.id}", :confirm => l(:text_are_you_sure_out))
|
||
else
|
||
link = link_to(text, url, :remote => true, :method => method, :id => "#{course.id}", :class => "pr_join_a") + "<span class='pr_join_span mr5' ><em class='pr_arrow'></em>#{l(:label_course_exit_student)}</span>".html_safe
|
||
end
|
||
else
|
||
link = "<span class='pr_join_span mr5' ><em class='pr_add'></em>#{l(:label_course_join_student)}</span>" +
|
||
"<span class='pr_join_span mr5' ><em class='pr_arrow'></em>#{l(:label_course_exit_student)}</span>"
|
||
end
|
||
link.html_safe
|
||
end
|
||
|
||
def visable_attachemnts_incourse course
|
||
return[] unless course
|
||
result = []
|
||
course.attachments.each do |attachment|
|
||
if attachment.is_public? || User.current.member_of_course?(course) || User.current.admin?
|
||
result << attachment
|
||
end
|
||
end
|
||
result
|
||
end
|
||
|
||
def zh_course_role role
|
||
if role == "TeachingAsistant"
|
||
result = l(:label_TA)
|
||
elsif role == "Teacher"
|
||
result = l(:label_teacher)
|
||
elsif role == "Student"
|
||
result = l(:label_student)
|
||
elsif role == "Manager"
|
||
result = l(:field_admin)
|
||
end
|
||
result
|
||
end
|
||
|
||
#生成课程相关动态的链接
|
||
def course_activity_link activity
|
||
# activity = CourseActivity.first
|
||
title = ""
|
||
url = ""
|
||
if activity.course_act
|
||
case activity.course_act_type
|
||
when "Course"
|
||
title = activity.course_act.name
|
||
url = course_path activity.course
|
||
when "HomeworkCommon"
|
||
title = "作业 " + activity.course_act.name
|
||
url = student_work_index_path(:homework => activity.course_act.id)
|
||
when "News"
|
||
title = "通知公告 " + activity.course_act.title
|
||
url = course_news_index_path(activity.course)
|
||
when "Attachment"
|
||
title = "课件 " + activity.course_act.filename
|
||
url = course_files_path(activity.course)
|
||
when "Message"
|
||
title = "课程讨论区 " + activity.course_act.subject
|
||
url = course_boards_path(activity.course,:parent_id => activity.course_act.parent_id ? activity.course_act.parent_id : activity.course_act.id, :topic_id => activity.course_act.id)
|
||
when "JournalsForMessage"
|
||
title = "留言 " + activity.course_act.notes
|
||
url = course_feedback_path(activity.course)
|
||
when "Poll"
|
||
title = "问卷 " + activity.course_act.polls_name
|
||
url = poll_path(activity.course_act_id)
|
||
end
|
||
end
|
||
link_to title.gsub(/<(?!img)[^>]*>/,'').html_safe, url, :class => "problem_tit c_dblue fl fb"
|
||
end
|
||
|
||
#课程动态的描述
|
||
def course_activity_desc activity
|
||
desc = ""
|
||
if activity.course_act
|
||
case activity.course_act_type
|
||
when "Course"
|
||
desc = ""
|
||
when "HomeworkCommon"
|
||
desc = activity.course_act.description
|
||
when "News"
|
||
desc = activity.course_act.description
|
||
when "Attachment"
|
||
desc = ""
|
||
when "Message"
|
||
desc = activity.course_act.content
|
||
when "JournalsForMessage"
|
||
desc = ""
|
||
when "Poll"
|
||
desc = activity.course_act.polls_description
|
||
end
|
||
end
|
||
desc.html_safe
|
||
end
|
||
|
||
# 学生按作业总分排序，取前8个
|
||
def hero_homework_score(course, score_sort_by)
|
||
sql_select = "SELECT members.*,(
|
||
SELECT SUM(student_works.final_score)
|
||
FROM student_works,homework_commons
|
||
WHERE student_works.homework_common_id = homework_commons.id
|
||
AND homework_commons.course_id = #{course.id}
|
||
AND student_works.user_id = members.user_id
|
||
) AS score
|
||
FROM members
|
||
JOIN students_for_courses
|
||
ON students_for_courses.student_id = members.user_id AND students_for_courses.course_id = members.course_id
|
||
WHERE members.course_id = #{course.id} ORDER BY score #{score_sort_by} limit 9"
|
||
homework_scores = Member.find_by_sql(sql_select)
|
||
end
|
||
|
||
def contributor_course_scor(course_id)
|
||
ccs = CourseContributorScore.where("course_id =?", course_id).order("total_score desc") .limit(9)
|
||
end
|
||
|
||
end
|
||
|