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# 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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# 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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searchTeacherAndAssistant(project).count
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# or
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# searchTeacherAndAssistant(project).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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# 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.student.count
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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 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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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) ? '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 nwb
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def get_course_term course
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str = ( course.try(:time).to_s << '.' << course.try(:term).to_s )
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str[0..-4]
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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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#course.members.joins(:member_roles).where("member_roles.role_id IN (:role_id) and members.user_id = #{user.id}", {:role_id => TeacherRoles}).count != 0
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user.allowed_to?(:as_teacher,course)
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#修改为根据用户是否有发布任务的权限来判断用户是否是课程的老师
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#is_teacher = false
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#@membership = user.memberships.all(:conditions => Project.visible_condition(User.current))
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#@membership.each do |membership|
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# unless(membership.project.project_type==0)
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# if user.allowed_to?({:controller => "projects", :action => "new_homework"}, membership.project, :global => false)
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# is_teacher = true
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# end
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# end
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#end
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#is_teacher
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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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#course.members.joins(:member_roles).where("member_roles.role_id IN (:role_id) and members.user_id = #{User.current.id}", {:role_id => StudentRoles}).count != 0
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!(User.current.allowed_to?(:as_teacher,course))
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#修改：能新建占位且不能新建任务的角色判定为学生
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#is_student = false
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#@membership = User.current.memberships.all(:conditions => Project.visible_condition(User.current))
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#@membership.each do |membership|
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# unless(membership.project.project_type==0)
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# if !User.current.allowed_to?({:controller => "projects", :action => "new_homework"}, membership.project, :global => false) && User.current.allowed_to?({:controller => "homework_attach", :action => "new"}, membership.project, :global => false)
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# is_student = true
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# end
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# end
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#end
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#is_student
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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
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cur_user_homework = HomeworkAttach.where("user_id = ? and bid_id = ?",User.current,bid.id)
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cur_user_homework
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end
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#判断当前用户对指定作业是否已经评价过
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def has_evaluation? homework
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seem_count = homework.rates(:quality).where("rater_id = ?",User.current).count
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seem_count > 0
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end
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#获取指定作业的所有成员
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def users_for_homework homework
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homework.nil? ? [] : (homework.users + [homework.user])
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end
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#获取指定作业的最终评分
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#最终评分 = 学生评分的平均分 * 0.4 +教师评分 * 0.6
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def score_for_homework homework
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if homework.bid.is_evaluation == 1 || homework.bid.is_evaluation == nil
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return format("%.2f",(homework.bid.proportion * 1.0 / 100) * (teacher_score_for_homework(homework).to_f) + (1 - homework.bid.proportion * 1.0 / 100) * (student_score_for_homework(homework).to_f))
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else
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return teacher_score_for_homework homework
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end
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end
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#获取作业的互评得分
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def student_score_for_homework homework
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member = searchTeacherAndAssistant(homework.bid.courses.first).first#searchPeopleByRoles(homework.bid.courses.first,TeacherRoles).first
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if member.nil?
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return "0.00"
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end
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student_stars = homework.rates(:quality).where("rater_id <> #{member.user_id}").select("stars")
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student_stars_count = 0
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student_stars.each do |star|
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student_stars_count = student_stars_count + star.stars
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end
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return format("%.2f",student_stars_count / (student_stars.count == 0 ? 1 : student_stars.count))
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end
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#获取作业的教师评分
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def teacher_score_for_homework homework
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member = searchTeacherAndAssistant(homework.bid.courses.first).first#searchPeopleByRoles(homework.bid.courses.first,TeacherRoles).first
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if member.nil?
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return "0.00"
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end
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teacher_stars = homework.rates(:quality).where("rater_id = #{member.user_id}").select("stars").first
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return format("%.2f",teacher_stars == nil ? 0 : teacher_stars.stars)
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end
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#获取指定项目的得分
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def project_score project
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issue_count = project.issues.count
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issue_journal_count = project.issue_changes.count
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issue_score = issue_count * 0.2
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issue_journal_score = issue_journal_count * 0.1
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finall_issue_score = issue_score + issue_journal_score
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new_count = project.news.count
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new_score = new_count * 0.1
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finall_new_score = new_score
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document_count = project.documents.count
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file_score = document_count * 0.1
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finall_file_score = file_score
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changeset_count = project.changesets.count
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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.realname : user.name)
|
|
|
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
|
|
|
|
|
|
end
|
