1320 lines
59 KiB
Ruby
1320 lines
59 KiB
Ruby
#coding=utf-8
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class CoursesService
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include ApplicationHelper
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include CoursesHelper
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include HomeworkAttachHelper
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include ApiHelper
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include ActionView::Helpers::DateHelper
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#参数school_id为0或不传时返回所有课程，否则返回对应学校的课程
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#参数per_page_count分页功能，每页显示的课程数
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#参数page分页功能，当前页码
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def course_list params,current_user
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@school_id = params[:school_id]
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per_page_option = params[:per_page_count] || 10
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page_no = params[:page] || 1
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if @school_id == "0" || @school_id.nil?
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@courses_all = Course.active.visible.
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joins("LEFT JOIN #{CourseStatus.table_name} ON #{Course.table_name}.id = #{CourseStatus.table_name}.course_id")
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else
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@courses_all = Course.active.visible.
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joins("LEFT JOIN #{CourseStatus.table_name} ON #{Course.table_name}.id = #{CourseStatus.table_name}.course_id").
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where("#{Course.table_name}.school_id = ?", @school_id)
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end
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@course_count = @courses_all.count
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@course_pages = Redmine::Pagination::Paginator.new @course_count, per_page_option,page_no
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@courses = @courses_all.order("created_at desc")
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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course_list = []
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@courses.each do |course|
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course_list << {:course => course,:img_url => url_to_avatar(course),:current_user_is_member => current_user.member_of_course?(course),:current_user_is_teacher => is_course_teacher(current_user,course)}
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end
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course_list
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end
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def user_courses_list(current_user)
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courses = current_user.courses.not_deleted
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courses.inject([]) {|course_list, course|
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course_list << {:course => course,:img_url => url_to_avatar(course),
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:current_user_is_member => current_user.member_of_course?(course),
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:current_user_is_teacher => is_course_teacher(current_user,course),
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course_student_num: searchStudent(course).count
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}
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}
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end
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#搜索课程
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def search_course params,current_user
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courses_all = Course.all_course
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name = params[:name]
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if name.blank?
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raise 'sumbit empty'
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end
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@courses = courses_all.visible(current_user)
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if params[:name].present?
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@courses_all = @courses.like(params[:name]).order("created_at desc")
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else
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@courses_all = @courses.order("created_at desc");
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end
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@courses_all
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course_list = []
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@courses_all.each do |course|
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course_list << {:course => course,:img_url => url_to_avatar(course),:current_user_is_member => current_user.member_of_course?(course),:current_user_is_teacher => is_course_teacher(current_user,course)}
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end
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course_list
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end
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#获取头像
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def get_img obj
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url_to_avatar(obj)
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end
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#课程老师或课程学生列表
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def course_teacher_or_student_list params,course,current_user
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if course.is_a?(Course)
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c = course
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else
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c = Course.find(course)
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end
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# if current_user.nil? || !(current_user.admin? || c.is_public == 1 || (c.is_public == 0 && current_user.member_of_course?(c)))
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if current_user.nil?
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raise '403'
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end
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#@canShowCode = isCourseTeacher(User.current.id,course) && params[:role] != '1'
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case params[:role]
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when '1'
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#@subPage_title = l :label_teacher_list
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@members = searchTeacherAndAssistant(c)
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when '2'
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#@subPage_title = l :label_student_list
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# @members = searchStudent(c)
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@members = searchmember_by_name(student_homework_score(0,c.id, 0,"desc"),"")
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else
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#@subPage_title = ''
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@members = c.member_principals.includes(:roles, :principal).all.sort
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end
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users = []
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@members.each do |m|
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img_url = "/images/"+url_to_avatar(m.user)
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gender = m.user.user_extensions.gender.nil? ? 0 : m.user.user_extensions.gender
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work_unit = get_user_work_unit m.user
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location = get_user_location m.user
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role_ids = []
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m.roles.each do |r|
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role_ids << r.id
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end
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#双重身份 学生列表中不显示
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# unless (params[:role] == '2' && role_ids.length >= 2)
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users << {:id => m.user.id, :img_url => img_url, :nickname => m.user.login, :gender => gender,
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:work_unit => work_unit, :mail => m.user.mail, :location => location,
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role_name: m.roles.first.name,
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name: m.user.show_name,
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roles_id: role_ids.include?(7) ? 7 : (role_ids.include?(9) ? 9 : 10 ),
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:brief_introduction => m.user.user_extensions.brief_introduction,:realname=>m.user.realname}
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# end
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end
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users
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end
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def reviewers_list course_id
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reviewers = []
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c = Course.find(course_id)
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if c
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messages = CourseMessage.where("course_id=? and course_message_type = 'JoinCourseRequest' and status = 0 ",course_id)
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messages.each do |m|
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user = User.find(m.course_message_id)
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if user
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img_url = url_to_avatar(user)
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gender = user.user_extensions.gender.nil? ? 0 : user.user_extensions.gender
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work_unit = get_user_work_unit user
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location = get_user_location user
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roles_ids = m.content.split(",")
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reviewers << {:id => user.id, :img_url => img_url, :nickname => user.login, :gender => gender,
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:work_unit => work_unit, :mail => user.mail, :location => location,
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role_name: "",
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name: user.show_name,
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roles_id: roles_ids.include?("7") ? 7 : 9,
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:brief_introduction => user.user_extensions.brief_introduction,:realname=>user.realname}
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end
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end
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end
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reviewers
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end
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def get_reviewer_info params
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status = -1
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info = nil
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c = Course.find(params[:course_id])
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if c
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messages = CourseMessage.where("course_id=? and course_message_id = ? and course_message_type = 'JoinCourseRequest' ",params[:course_id],params[:user_id]).last
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if messages
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#status 0未处理 1同意 2 通过
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status = messages.status
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user = User.find(params[:user_id])
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if user
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img_url = url_to_avatar(user)
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gender = user.user_extensions.gender.nil? ? 0 : user.user_extensions.gender
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work_unit = get_user_work_unit user
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location = get_user_location user
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roles_ids = messages.content.split(",")
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info = {:id => user.id, :img_url => img_url, :nickname => user.login, :gender => gender,
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:work_unit => work_unit, :mail => user.mail, :location => location,
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role_name: "",
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name: user.show_name,
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roles_id: roles_ids.include?("7") ? 7 : 9,
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:brief_introduction => user.user_extensions.brief_introduction,:realname=>user.realname}
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end
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end
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end
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{status:status,reviewer:info}
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end
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def deal_join_apply params,current_user
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status = -1
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message = ""
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c = Course.find(params[:course_id])
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if c
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messages = CourseMessage.where("course_id=? and course_message_id = ? and course_message_type = 'JoinCourseRequest' and status = 0 ",params[:course_id],params[:user_id]).first
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if messages
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apply_user = User.find(params[:user_id])
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ids = messages.content.split(",") # content保存的是申请的职位角色
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integer_ids = []
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ids.each do |role_id|
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integer_ids << role_id.to_i
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end
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if params[:type] == 0
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if apply_user.member_of_course?(c)
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#将角色改为老师或者教辅
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member = c.members.where(:user_id=>apply_user.id).all[0]
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member.role_ids = integer_ids
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#删除为学生的记录
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unless member.role_ids.include?(10)
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joined = StudentsForCourse.where('student_id = ? and course_id = ?', member.user_id,c.id)
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joined.each do |join|
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join.delete
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end
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end
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member.course_group_id = 0
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member.save
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CourseMessage.create(:user_id => apply_user.id, :course_id => c.id, :viewed => false,:content=> messages.content,:course_message_id=>current_user.id,:course_message_type=>'CourseRequestDealResult',:status=>1)
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messages.update_attributes(:status=>1,:viewed=>1)
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else
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members = []
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members << Member.new(:role_ids => integer_ids, :user_id => apply_user.id)
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c.members << members
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CourseMessage.create(:user_id => apply_user.id, :course_id => c.id, :viewed => false,:content=> messages.content,:course_message_id=>current_user.id,:course_message_type=>'CourseRequestDealResult',:status=>1)
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messages.update_attributes(:status=>1,:viewed=>1)
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end
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if integer_ids.include?(9)
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message = "您已同意教师"+apply_user.show_name+"，加入班级"
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send_wechat_join_class_notice apply_user,c,9,0
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else
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message = "您已同意助教"+apply_user.show_name+"，加入班级"
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send_wechat_join_class_notice apply_user,c,7,0
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end
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else
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CourseMessage.create(:user_id => apply_user.id, :course_id => c.id, :viewed => false,:content=> messages.content,:course_message_id=>current_user.id,:course_message_type=>'CourseRequestDealResult',:status=>2)
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messages.update_attributes(:status=>2,:viewed=>1)
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if integer_ids.include?(9)
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message = "您已拒绝教师"+apply_user.show_name+"，加入班级"
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send_wechat_join_class_notice apply_user,c,9,1
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else
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message = "您已拒绝助教"+apply_user.show_name+"，加入班级"
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send_wechat_join_class_notice apply_user,c,7,1
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end
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end
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status = 0
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else
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message = "该申请不存在或已被处理"
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end
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else
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message = "该班级不存在或已被删除"
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end
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{:status => status,:message => message}
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end
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#获取用户的工作单位
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def get_user_work_unit user
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work_unit = ""
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if user.user_extensions.identity == 0 || user.user_extensions.identity == 1
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work_unit = user.user_extensions.school.name unless user.user_extensions.school.nil?
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elsif user.user_extensions.identity == 3
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work_unit = user.user_extensions.occupation
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elsif user.user_extensions.identity == 2
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work_unit = user.firstname
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end
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work_unit
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end
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#获取用户地区
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def get_user_location user
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location = ""
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location << (user.user_extensions.location || '')
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location << (user.user_extensions.location_city || '')
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location
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end
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#课程通知列表
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def course_news_list params,current_user
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if params[:course_id] && @course==nil
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@course = Course.find(params[:course_id])
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end
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if current_user.nil? || !(current_user.admin? || @course.is_public == 1 || (@course.is_public == 0 && current_user.member_of_course?(@course)))
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raise '403'
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end
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scope = @course ? @course.news.order("news.created_on desc").course_visible(current_user) : News.order("news.created_on desc").course_visible(current_user)
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news = []
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scope.each do |n|
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news << {:id => n.id,:title => n.title,:author_name => n.author.name,:author_id => n.author.id, :author=>n.author, :description => n.description,:created_on => format_time(n.created_on),:comments_count => n.comments_count}
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end
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news
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end
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#查看新闻权限验证
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def show_course_news_authorize(current_user)
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unless current_user.allowed_to?({:controller => 'news', :action => 'show'}, false)
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raise '403'
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end
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end
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#显示课程通知(包括评论) 需验证权限
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def show_course_news params,current_user
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@news = News.find(params[:id])
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@course = @news.course
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if @course
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if current_user.nil? || !(current_user.admin? || @course.is_public == 1 || (@course.is_public == 0 && current_user.member_of_course?(@course)))
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raise '403'
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end
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end
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@comments = @news.comments.reorder("created_on desc")
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@comments.reverse! if current_user.wants_comments_in_reverse_order?
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{:news => @news,:comments => @comments}
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#comments = []
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#@comments.each do |comment|
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# comments << {:author_id => comment.author_id,:author_name => comment.author.name,:commont_content => comment.comments,:time => format_time(comment.created_on)}
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#end
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#{:title => @news.title,:author_name => @news.author.name,:author_id => @news.author.id, :description => @news.description,:created_on => format_time(@news.created_on),
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# :comments_count => @news.comments_count,:comments => comments}
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end
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#显示课程
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def show_course(params,current_user)
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course = Course.find(params[:id])
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course.generate_invite_code
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course.generate_qrcode
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if course.school
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work_unit = course.school.name
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else
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work_unit = get_user_work_unit course.teacher
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end
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# unless (course.is_public == 1 || current_user.member_of_course?(course) || current_user.admin?)
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# raise '403'
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# end
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{:course => course,:work_unit => work_unit, :img_url => url_to_avatar(course),:current_user_is_member => current_user.nil? ? false : current_user.member_of_course?(course),:current_user_is_teacher => current_user.nil? ? false : is_course_teacher(current_user,course),:course_student_num => course ? course.student.count.to_s : 0}
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end
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#创建课程
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#current_user当前用户对象（不是id）
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# params[:course][:name]:课程名称
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#params[:course][:password]:密码
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#params[:course][:description]:描述
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#params[:course][:is_public]:是否公开1公开，0私有
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#params[:course][:open_student]:是否公开学生列表1公开，0不公开，不公开时非课程成员无法看到学生列表
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#params[:course][:course_type]:暂时默认给1值。
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#params[:term]：学期（秋季学期或春季学期）
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#params[:time]: 年份（例：2014）
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#params[:setup_time]：暂不传（貌似已经没用了）
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#params[:endup_time]: 暂不传（貌似已经没用了）
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#params[:class_period]:学时总数
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#params[:course][:publish_resource]允许学生上传资源
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def create_course(params,current_user)
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if current_user.user_extensions.identity
|
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@course = Course.new
|
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@course.extra = 'course' + DateTime.parse(Time.now.to_s).strftime('%Y-%m-%d_%H-%M-%S').to_s
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@course.send(:safe_attributes=, params[:course], current_user)
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#@course.safe_attributes(current_user,params[:course])
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#@course.password = params[:course][:password]
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@course.tea_id = current_user.id
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@course.syllabus_id = params[:syllabus_id].to_i
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@course.term = params[:term]
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@course.time = params[:time]
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@course.end_term = params[:end_term]
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@course.end_time = params[:end_time]
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#@course.school_id = params[:occupation]
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@course.school_id = current_user.user_extensions.school_id
|
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@course.setup_time = params[:setup_time]
|
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@course.endup_time = params[:endup_time]
|
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@course.class_period = params[:class_period].to_i
|
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params[:course][:is_public] ? @course.is_public = 1 : @course.is_public = 0
|
||
params[:course][:open_student] ? @course.open_student = 1 : @course.open_student = 0
|
||
params[:course][:publish_resource] ? @course.publish_resource = 1 : @course.publish_resource = 0
|
||
else
|
||
|
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end
|
||
|
||
@issue_custom_fields = IssueCustomField.sorted.all
|
||
@trackers = Tracker.sorted.all
|
||
|
||
if @course && @course.save
|
||
#unless User.current.admin?
|
||
r = Role.givable.find_by_id(Setting.new_project_user_role_id.to_i) || Role.givable.first
|
||
m = Member.new(:user => current_user, :roles => [r])
|
||
m.project_id = -1
|
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course = CourseInfos.new(:user_id => current_user.id, :course_id => @course.id)
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#user_grades = UserGrade.create(:user_id => User.current.id, :course_id => @course.id)
|
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if params[:course][:is_public] == '1'
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course_status = CourseStatus.create(:course_id => @course.id, :watchers_count => 0, :changesets_count => 0, :grade => 0, :course_type => @course_tag)
|
||
end
|
||
@course.members << m
|
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@course.course_infos << course
|
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end
|
||
{:course => @course,:img_url => url_to_avatar(@course),:current_user_is_member => current_user.member_of_course?(@course),:current_user_is_teacher => is_course_teacher(current_user,@course)}
|
||
end
|
||
|
||
#验证编辑课程的权限
|
||
#当前
|
||
def edit_course_authorize(current_user,course)
|
||
unless current_user.allowed_to?({:controller => 'courses', :action => 'update'}, course)
|
||
raise '403'
|
||
end
|
||
end
|
||
|
||
#编辑课程 需验证权限
|
||
# params[:course][:name]:课程名称
|
||
#params[:course][:password]:密码
|
||
#params[:course][:description]:描述
|
||
#params[:course][:is_public]:是否公开1公开，0私有
|
||
#params[:course][:open_student]:是否公开学生列表1公开，0不公开，不公开时非课程成员无法看到学生列表
|
||
#params[:course][:course_type]:暂时默认给1值。
|
||
#params[:term]：学期（秋季学期或春季学期）
|
||
#params[:time]: 年份（例：2014）
|
||
#params[:class_period]:学时总数
|
||
#params[:publish_resource] 允许学生上传资源 0 不允许 1 允许
|
||
def edit_course(params,course,current_user)
|
||
course.send(:safe_attributes=, params[:course], current_user)
|
||
#course.safe_attributes = params[:course]
|
||
#course.password = params[:course][:password]
|
||
course.syllabus_id = params[:syllabus_id].to_i
|
||
course.time = params[:time]
|
||
course.term = params[:term]
|
||
course.end_time = params[:end_time]
|
||
course.end_term = params[:end_term]
|
||
course.class_period = params[:class_period].to_i
|
||
params[:course][:is_public] ? course.is_public = 1 : course.is_public = 0
|
||
params[:course][:open_student] ? course.open_student = 1 : course.open_student = 0
|
||
params[:course][:publish_resource] ? course.publish_resource = 1 : course.publish_resource = 0
|
||
if course.save
|
||
if params[:course][:is_public] == '0'
|
||
course_status = CourseStatus.find_by_course_id(course.id)
|
||
course_status.destroy if course_status
|
||
elsif params[:course][:is_public] == '1'
|
||
course_status = CourseStatus.find_by_course_id(course.id)
|
||
course_status.destroy if course_status
|
||
course_status = CourseStatus.create(:course_id => course.id, :grade => 0)
|
||
end
|
||
end
|
||
{:course => course,:img_url => url_to_avatar(course),:current_user_is_member => current_user.member_of_course?(course),:current_user_is_teacher => is_course_teacher(current_user,course)}
|
||
end
|
||
|
||
#退出课程
|
||
#object_id: 课程id
|
||
#user：当前用户
|
||
#@state == 0 退出成功
|
||
#@state == 1 不在课程中
|
||
#@state == 2 您还未登录
|
||
#@state 其他 未知错误，请稍后再试
|
||
def exit_course params,user
|
||
if user.nil?
|
||
@state = 2
|
||
return @state
|
||
end
|
||
@member = Member.where('course_id = ? and user_id = ?', params[:object_id], user.id)
|
||
if @member.nil? || @member.count == 0
|
||
@state = 1
|
||
return @state
|
||
end
|
||
@member.first.destroy
|
||
joined = StudentsForCourse.where('student_id = ? and course_id = ?', user.id, params[:object_id])
|
||
joined.each do |join|
|
||
join.delete
|
||
end
|
||
@state = 0
|
||
@state
|
||
end
|
||
|
||
class JoinCourseError < Errors
|
||
define_error [
|
||
0, '加入成功',
|
||
1, '密码错误',
|
||
2, '班级已过期 请联系班级管理员重启班级。',
|
||
3, '您已经是该班级的成员了',
|
||
4, '您的邀请码不正确',
|
||
5, '您还未登录',
|
||
6, '您的申请已提交，请等待管理员审批',
|
||
7, '您已经发送过申请了，请耐心等待',
|
||
8, '您已经是该班级的教师了',
|
||
9, '您已经是该班级的教辅了',
|
||
10, '您已经是该班级的管理员了',
|
||
11, '该班级不存在或已被删除啦',
|
||
12, '您已经发送过申请了，请耐心等待',
|
||
13, '您的申请已提交，请等待管理员审批',
|
||
'未知错误，请稍后再试'
|
||
]
|
||
end
|
||
#加入课程
|
||
#object_id：课程id
|
||
#course_password ：加入课程的密码
|
||
def join_course params,current_user
|
||
course = Course.find_by_invite_code(params[:invite_code]) if params[:invite_code]
|
||
|
||
@state = 10
|
||
if course
|
||
if course_endTime_timeout? course
|
||
@state = 2
|
||
elsif course[:is_delete] == 1
|
||
@state = 11
|
||
else
|
||
if current_user.member_of_course?(course) #如果已经是成员
|
||
member = course.members.where("user_id=#{current_user.id} and course_id=#{course.id}")[0]
|
||
roleName = member.roles[0].name if member
|
||
if params[:invite_code].present?
|
||
#如果加入角色为学生 并且当前是学生
|
||
if roleName == "Student"
|
||
@state = 3
|
||
#如果加入的角色为老师，并且当前已经是老师
|
||
elsif roleName == "Teacher"
|
||
@state = 8
|
||
#如果加入的角色教辅并且当前为教辅
|
||
elsif roleName == "TeachingAsistant"
|
||
@state = 9
|
||
elsif roleName == "Manager"
|
||
@state = 10
|
||
end
|
||
else
|
||
@state = 1
|
||
end
|
||
else
|
||
if params[:invite_code].present?
|
||
members = []
|
||
members << Member.new(:role_ids => [10], :user_id => current_user.id)
|
||
course.members << members
|
||
StudentsForCourse.create(:student_id => current_user.id, :course_id => course.id)
|
||
@state = 0
|
||
else
|
||
@state = 1
|
||
end
|
||
end
|
||
end
|
||
else
|
||
@state = 4
|
||
end
|
||
{:state => @state,:course => course}
|
||
end
|
||
|
||
#加入班级结果
|
||
def send_wechat_join_class_notice user,course,role_id,result
|
||
count = ShieldWechatMessage.where("container_type='User' and container_id=#{user.id} and shield_type='Course' and shield_id=#{course.id}").count
|
||
if count == 0
|
||
ws = WechatService.new
|
||
|
||
role_name = role_id == 7 ? "助教" : role_id == 9 ? "教师" : "学生"
|
||
result_name = result == 0 ? "通过" : "被拒绝"
|
||
content = "您以"+role_name+"身份加入班级的申请已"+result_name+"。"
|
||
|
||
if result == 0
|
||
title = "恭喜您加入班级成功。"
|
||
remark = "点击查看班级详情。"
|
||
uid = 0
|
||
type = "class"
|
||
else
|
||
title = "很遗憾您未能成功加入班级。"
|
||
remark = "点击查看申请详情。"
|
||
uid = user.id
|
||
type = "review_class_member"
|
||
end
|
||
ws = WechatService.new
|
||
ws.class_notice user.id, type, course.id, title, course.name, user.show_name, format_time(Time.now), content, remark,uid
|
||
|
||
end
|
||
end
|
||
|
||
#多个角色加入课程
|
||
def join_course_roles params,current_user
|
||
course = Course.find_by_invite_code(params[:invite_code]) if params[:invite_code]
|
||
|
||
@state = 10
|
||
if course
|
||
if course_endTime_timeout? course
|
||
@state = 2
|
||
elsif course[:is_delete] == 1
|
||
@state = 11
|
||
else
|
||
if current_user.member_of_course?(course) #如果已经是成员
|
||
@state = 3
|
||
# member = course.members.where("user_id=#{current_user.id} and course_id=#{course.id}")[0]
|
||
# role_ids = params[:role]
|
||
# #roleName = member.roles[0].name if member
|
||
# #roleName = member.roles.map{|role| role.name}.join(",") if member
|
||
# if params[:invite_code].present?
|
||
# #如果加入角色为学生 并且当前是学生
|
||
# if role_ids == "10" && roleName.include?("Student") && !roleName.include?("Teacher") && !roleName.include?("TeachingAsistant")&& !roleName.include?("Manager")
|
||
# @state = 3
|
||
# #如果加入的角色为老师，并且当前已经是老师
|
||
# elsif role_ids == "9" && roleName.include?("Teacher") && !roleName.include?("Student")
|
||
# @state = 8
|
||
# #如果加入的角色教辅并且当前为教辅
|
||
# elsif role_ids == "7" && roleName.include?("TeachingAsistant") && !roleName.include?("Student")
|
||
# @state = 9
|
||
# elsif roleName.include?("Manager")
|
||
# @state = 10
|
||
# #如果加入角色为教师或者教辅，并且当前是学生，或者是要成为教辅，当前不是教辅，或者要成为教师，当前不是教师。那么要发送请求
|
||
# elsif (params[:role] != "10" && roleName == "Student") || (params[:role] == "7" && roleName != "TeachingAsistant" ) || (params[:role] == "9" && roleName != "Teacher" )
|
||
# #如果已经发送过消息了，那么就要给个提示
|
||
# if CourseMessage.where("course_message_type = 'JoinCourseRequest' and user_id = #{course.tea_id} and content = #{params[:role]} and course_message_id = #{User.current.id} and course_id = #{course.id} and status = 0 ").count != 0
|
||
# @state = 7
|
||
# else
|
||
# Mailer.run.join_course_request(course, User.current, params[:role])
|
||
# CourseMessage.create(:user_id => course.tea_id, :course_id => course.id, :viewed => false,:content=> params[:role],:course_message_id=>User.current.id,:course_message_type=>'JoinCourseRequest',:status=>0)
|
||
# @state = 6
|
||
# end
|
||
# #如果加入角色是学生，但是是当前课程的教师或者教辅
|
||
# elsif params[:role] == "10" && roleName != "Student"
|
||
# member.role_ids = [params[:role]]
|
||
# member.save
|
||
# StudentsForCourse.create(:student_id => current_user.id, :course_id => course.id)
|
||
# @state = 0
|
||
# end
|
||
# else
|
||
# @state = 1
|
||
# end
|
||
else
|
||
if params[:invite_code].present?
|
||
role_ids = params[:role]
|
||
role_str = role_ids.join(",")
|
||
if role_ids.include?("10") && !role_ids.include?("7") && !role_ids.include?("9")
|
||
members = []
|
||
members << Member.new(:role_ids => [10], :user_id => current_user.id)
|
||
course.members << members
|
||
StudentsForCourse.create(:student_id => current_user.id, :course_id => course.id)
|
||
@state = 0
|
||
send_wechat_join_class_notice current_user,course,10,0
|
||
else
|
||
is_stu = false
|
||
if role_ids.include?("10")
|
||
members = []
|
||
members << Member.new(:role_ids => [10], :user_id => current_user.id)
|
||
course.members << members
|
||
StudentsForCourse.create(:student_id => current_user.id, :course_id =>course.id)
|
||
is_stu = true
|
||
send_wechat_join_class_notice current_user,course,10,0
|
||
end
|
||
#如果已经发送过消息了，那么就要给个提示
|
||
if CourseMessage.where("course_message_type = 'JoinCourseRequest' and user_id = #{course.tea_id} and content = '#{role_str}' and course_message_id = #{current_user.id} and course_id = #{course.id} and status = 0").count != 0
|
||
if is_stu
|
||
@state = 12
|
||
else
|
||
@state = 7
|
||
end
|
||
else
|
||
Mailer.run.join_course_request(course, current_user, params[:role])
|
||
CourseMessage.create(:user_id => course.tea_id, :course_id => course.id, :viewed => false,:content=> role_str,:course_message_id=>current_user.id,:course_message_type=>'JoinCourseRequest',:status=>0)
|
||
|
||
#----------------微信通知----------------------
|
||
|
||
if role_ids.include?("7") || role_ids.include?("9")
|
||
tea_user = User.find(course.tea_id)
|
||
count = ShieldWechatMessage.where("container_type='User' and container_id=#{tea_user.id} and shield_type='Course' and shield_id=#{course.id}").count
|
||
if count == 0
|
||
|
||
rolename = role_ids.include?("7") ? "助教" : "教师"
|
||
content = current_user.show_name + "申请以"+rolename+"身份加入班级，等待您的审批。"
|
||
ws = WechatService.new
|
||
ws.class_notice tea_user.id, "review_class_member", course.id, "班级成员审批通知。", course.name, tea_user.show_name, format_time(Time.now), content, "点击查看申请详情。",current_user.id
|
||
end
|
||
end
|
||
#--------------------------------------------
|
||
|
||
if is_stu
|
||
@state = 13
|
||
else
|
||
@state = 6
|
||
end
|
||
end
|
||
end
|
||
else
|
||
@state = 1
|
||
end
|
||
end
|
||
end
|
||
else
|
||
@state = 4
|
||
end
|
||
{:state => @state,:course => course}
|
||
end
|
||
|
||
|
||
#作业列表
|
||
#已提交的作业数量获取 bid.homeworks.count
|
||
#学生提问数量获取 bid.commit.nil? ? 0 : bid.commit
|
||
def homework_list params,current_user
|
||
course = Course.find(params[:id])
|
||
if course.is_public != 0 || current_user.member_of_course?(course)
|
||
bids = course.homework_commons.where("publish_time <= ?",Time.now.strftime("%Y-%m-%d")).page(params[:page] || 1).per(20).reorder('created_at DESC')
|
||
bids = bids.like(params[:name]) if params[:name].present?
|
||
homeworks = []
|
||
bids.each do |bid|
|
||
homeworks << show_homework_info(course,bid,current_user,is_course_teacher(current_user,course))
|
||
end
|
||
homeworks
|
||
else
|
||
raise '403'
|
||
end
|
||
end
|
||
|
||
def course_dynamic(params,current_user)
|
||
|
||
@user = User.find(params[:id])
|
||
if current_user.nil? && !current_user.admin? && !@user.active?
|
||
raise '404'
|
||
return
|
||
end
|
||
if current_user == @user || current_user.admin?
|
||
membership = @user.coursememberships.all
|
||
else
|
||
membership = @user.coursememberships.all(:conditions => Course.visible_condition(current_user))
|
||
end
|
||
if membership.nil? || membership.count == 0
|
||
raise l(:label_no_courses,:locale => get_user_language(current_user))
|
||
end
|
||
membership.sort! {|older, newer| newer.created_on <=> older.created_on }
|
||
result = []
|
||
membership.each do |mp|
|
||
course = mp.course
|
||
latest_course_dynamics = []
|
||
latest_news = course.news.order("created_on desc").first
|
||
unless latest_news.nil?
|
||
latest_course_dynamics << {:type => 1,:time => latest_news.created_on,
|
||
:message =>latest_news.author.realname<< l(:label_recently_updated_notification,:locale => get_user_language(current_user))<<"："<< latest_news.title }
|
||
end
|
||
latest_message = course.journals_for_messages.order("created_on desc").first
|
||
unless latest_message.nil?
|
||
latest_course_dynamics << {:type => 2,:time => latest_message.created_on,:message =>latest_message.user.realname << l(:label_recently_updated_message,:locale => get_user_language(current_user))<<"："<<latest_message.notes}
|
||
end
|
||
latest_attachment = course.attachments.order("created_on desc").first
|
||
unless latest_attachment.nil?
|
||
latest_course_dynamics << {:type => 3,:time => latest_attachment.created_on,:message =>latest_attachment.author.realname<< l(:label_recently_updated_courseware,:locale => get_user_language(current_user))<<"："<<latest_attachment.filename}
|
||
end
|
||
latest_bid = course.homework_commons.order('updated_at DESC').first
|
||
unless latest_bid.nil?
|
||
latest_course_dynamics << {:type => 4,:time => latest_bid.updated_at,:message => latest_bid.user.realname<<l(:label_recently_updated_homework,:locale => get_user_language(current_user))<<"："<<latest_bid.name}
|
||
end
|
||
|
||
# Time 2015-04-07 14:58:30
|
||
# Author lizanle
|
||
# Description 添加课程创建动态
|
||
if(User.find_by_id(CourseInfos.find_by_course_id(course.id).try(:user_id)))
|
||
create_user_name = User.find_by_id(CourseInfos.find_by_course_id(course.id).user_id).realname
|
||
latest_course_dynamics << {:type => 5,:time => course.created_at,:message =>l(:label_recently,:locale => get_user_language(current_user)) << create_user_name << l(:label_creat,:locale => get_user_language(current_user))}
|
||
end
|
||
|
||
|
||
#每个作业中的最新留言
|
||
# messages = []
|
||
# course.homework_commons.each do |hc|
|
||
# jour = hc.journals_for_messages.order("created_on desc").first
|
||
# unless jour.nil?
|
||
# messages << jour
|
||
# end
|
||
# end
|
||
# unless messages.count == 0
|
||
# messages.sort!{|order,newer| newer.created_on <=> order.created_on}
|
||
# end
|
||
# latest_bid_message = messages.first
|
||
# unless latest_bid_message.nil?
|
||
# latest_course_dynamics << {:type => 4,:time => latest_bid_message.created_on,:message => l(:label_recently_updated_message,:locale => get_user_language(current_user))}
|
||
# end
|
||
#每个作业中学生最后提交的作业
|
||
homeworks = []
|
||
course.homework_commons.each do |bid|
|
||
homework_attach = bid.student_works.order('updated_at DESC').first
|
||
unless homework_attach.nil?
|
||
homeworks << homework_attach
|
||
end
|
||
end
|
||
unless homeworks.count == 0
|
||
homeworks.sort!{|order,newer| newer.updated_at <=> order.updated_at}
|
||
end
|
||
latest_homework_attach = homeworks.first
|
||
unless latest_homework_attach.nil?
|
||
latest_course_dynamics << {:type => 4,:time => latest_homework_attach.updated_at,:message =>latest_homework_attach.user.realname<< l(:label_recently_updated_homework,:locale => get_user_language(current_user))<<"："<<(latest_homework_attach.name.nil? ? latest_homework_attach.description : latest_homework_attach.name)}
|
||
end
|
||
latest_course_dynamics.sort!{|order,newer| newer[:time] <=> order[:time]}
|
||
latest_course_dynamic = latest_course_dynamics.first
|
||
unless latest_course_dynamic.nil?
|
||
result << {:course_name => course.name,:course_id => course.id,:course_img_url => url_to_avatar(course),:course_time => course.time,:course_term => course.term,:type => latest_course_dynamic[:type],:update_time => latest_course_dynamic[:time],:message => latest_course_dynamic[:message],:count => nil}
|
||
end
|
||
end
|
||
result.sort!{|order,newer| newer[:update_time] <=> order[:update_time]}
|
||
result
|
||
end
|
||
|
||
# 课程课件
|
||
def course_attachments params
|
||
result = []
|
||
course = Course.find(params[:course_id])
|
||
attachments = course.attachments.where("is_publish = 1").reorder("created_on desc")
|
||
if !params[:name].nil? && params[:name] != ""
|
||
attachments.each do |atta|
|
||
result << atta if atta.filename.include?(params[:name])
|
||
|
||
end
|
||
else
|
||
result = attachments
|
||
end
|
||
result
|
||
end
|
||
|
||
# 课程学生列表
|
||
def course_members params
|
||
@all_members = searchmember_by_name(student_homework_score(0,params[:course_id], 10,"desc"),params[:name])
|
||
end
|
||
|
||
def show_member_score params
|
||
@member_score = Member.find(params[:member_id]) if params[:member_id]
|
||
atta = @member_score.student_homework_score[0]
|
||
result = []
|
||
atta.each do |t|
|
||
if !params[:homeworkName].nil? && params[:homeworkName] != ""
|
||
result << {:name=>t[:name],:score=>t[:score]} if t[:name].include?(params[:homeworkName])
|
||
else
|
||
result << {:name=>t[:name],:score=>t[:score]}
|
||
end
|
||
|
||
end
|
||
result
|
||
end
|
||
|
||
# 设置人员为课程教辅
|
||
def set_as_assitant_teacher params
|
||
members = []
|
||
#找到课程
|
||
course = Course.find(params[:course_id])
|
||
#新建课程人员
|
||
|
||
member = Member.new(:role_ids =>[7], :user_id => params[:user_id],:course_id=>params[:course_id])
|
||
joined = StudentsForCourse.where('student_id = ? and course_id = ?', member.user_id,course.id)
|
||
joined.each do |join|
|
||
join.delete
|
||
end
|
||
member.course_group_id = 0
|
||
members << member
|
||
course.members << members
|
||
#将课程人员设置为教辅
|
||
end
|
||
|
||
def del_assitant_teacher params
|
||
member = Member.where("user_id = ? and course_id = ?",params[:user_id],params[:course_id])
|
||
member.each do |m|
|
||
m.destroy
|
||
end
|
||
user_admin = CourseInfos.where("user_id = ? and course_id = ?",params[:user_id], params[:course_id])
|
||
if user_admin.size > 0
|
||
user_admin.each do |user|
|
||
user.destroy
|
||
end
|
||
end
|
||
joined = StudentsForCourse.where('student_id = ? and course_id = ?', params[:user_id],params[:course_id])
|
||
joined.each do |join|
|
||
join.delete
|
||
end
|
||
end
|
||
|
||
def create_course_notice params ,current_user
|
||
n = News.new(:course_id =>params[:course_id], :author_id => current_user.id,:title =>params[:title],:description=> params[:desc])
|
||
n.save
|
||
{:id => n.id,:title => n.title,:author_name => n.author.name,:author_id => n.author.id, :description => n.description,:created_on => format_time(n.created_on),:comments_count => n.comments_count}
|
||
end
|
||
|
||
private
|
||
def searchmember_by_name members, name
|
||
#searchPeopleByRoles(project, StudentRoles)
|
||
mems = []
|
||
if name != ""
|
||
name = name.to_s.downcase
|
||
members.each do |m|
|
||
username = m.user[:lastname].to_s.downcase + m.user[:firstname].to_s.downcase
|
||
if(m.user[:login].to_s.downcase.include?(name) || m.user.user_extensions[:student_id].to_s.downcase.include?(name) || username.include?(name))
|
||
mems << m
|
||
end
|
||
end
|
||
else
|
||
mems = members
|
||
end
|
||
mems
|
||
end
|
||
def show_homework_info course,bid,current_user,is_course_teacher
|
||
author_real_name = bid.user.lastname + bid.user.firstname
|
||
many_times = course.homework_commons.index(bid) + 1
|
||
name = bid.name
|
||
homework_count = bid.student_works.count #已提交的作业数量
|
||
#student_questions_count = bid.journals_for_messages.where('m_parent_id IS NULL').count
|
||
description = bid.description
|
||
#if is_course_teacher(User.current, course) && @bid.open_anonymous_evaluation == 1 && @bid.homeworks.count >= 2
|
||
#state = bid.homework_detail_manual.comment_status
|
||
if !bid.nil?
|
||
if bid.homework_type == 1 && bid.homework_detail_manual
|
||
case bid.homework_detail_manual.comment_status
|
||
when 1
|
||
state = show_homework_deadline bid
|
||
when 2
|
||
state = "正在匿评中"
|
||
when 3
|
||
state = "匿评已结束"
|
||
end
|
||
elsif bid.homework_type == 0
|
||
state = "未启用匿评"
|
||
elsif bid.homework_type == 2
|
||
state = "编程作业"
|
||
else
|
||
end
|
||
end
|
||
# studentlist = []
|
||
# bid.student_works.order("created_at desc").page(1).per(6).each do |work|
|
||
# studentlist << work.user
|
||
# end
|
||
# unless is_course_teacher
|
||
# homework_for_anonymous_comments = get_student_batch_homework_list bid,current_user
|
||
# end
|
||
#end
|
||
open_anonymous_evaluation = bid.homework_detail_manual.comment_status
|
||
{:course_name => course.name,:course_id => course.id,:id => bid.id,
|
||
:author => bid.user,:author_real_name => author_real_name,
|
||
:homework_times => many_times, :homework_name => name,
|
||
:homework_count => homework_count,:student_questions_count => 0,
|
||
:description => description, :homework_state => state,
|
||
:open_anonymous_evaluation => open_anonymous_evaluation,
|
||
#:homework_for_anonymous_comments => homework_for_anonymous_comments,
|
||
:created_on => bid.created_at,:deadline => bid.end_time,
|
||
:homework_notsubmit_num => bid.course.members.count - bid.student_works.count,
|
||
:homework_submit_num => bid.student_works.count,
|
||
:homework_status_student => get_homework_status( bid),:homework_status_teacher => homework_status_desc( bid),
|
||
:student_evaluation_part => get_evaluation_part( bid ,3),
|
||
:ta_evaluation_part => get_evaluation_part( bid ,2),:homework_anony_type => bid.homework_type == 1 && !bid.homework_detail_manual.nil?,:current_user_is_teacher => is_course_teacher}
|
||
|
||
end
|
||
|
||
#显示作业列表的同时显示分配给当前学生匿评的作业
|
||
def show_homework_info_with_batch course,bid
|
||
author = bid.author.lastname + bid.author.firstname
|
||
many_times = course.homeworks.index(bid) + 1
|
||
name = bid.name
|
||
homework_count = bid.homeworks.count #已提交的作业数量
|
||
student_questions_count = bid.journals_for_messages.where('m_parent_id IS NULL').count
|
||
description = bid.description
|
||
#if is_course_teacher(User.current, course) && @bid.open_anonymous_evaluation == 1 && @bid.homeworks.count >= 2
|
||
state = bid.comment_status
|
||
#end
|
||
open_anonymous_evaluation = bid.open_anonymous_evaluation
|
||
{:course_name => course.name,:id => bid.id, :course_teacher => author, :homework_times => many_times, :homework_name => name, :homework_count => homework_count,:student_questions_count => student_questions_count,
|
||
:description => description, :homework_state => state,:open_anonymous_evaluation => open_anonymous_evaluation}
|
||
end
|
||
|
||
|
||
def student_homework_score(groupid,course_id, nums, score_sort_by)
|
||
#teachers = find_course_teachers(@course)
|
||
#start_from = start_from * nums
|
||
sql_select = ""
|
||
if groupid == 0
|
||
if nums == 0
|
||
sql_select = "SELECT members.*, SUM(homework_attaches.score) as score FROM members, homework_attaches
|
||
WHERE members.course_id = #{course_id} AND members.user_id in (SELECT students_for_courses.student_id FROM students_for_courses WHERE course_id = #{course_id}) AND members.user_id = homework_attaches.user_id
|
||
AND homework_attaches.bid_id in (SELECT bid_id FROM homework_for_courses WHERE course_id = #{course_id}) GROUP BY members.user_id
|
||
UNION all
|
||
SELECT members.*, 0 as score FROM members,homework_attaches,students_for_courses WHERE members.course_id = #{course_id} AND
|
||
students_for_courses.course_id = #{course_id} and members.user_id = students_for_courses.student_id AND
|
||
members.user_id NOT IN (SELECT homework_attaches.user_id FROM homework_attaches WHERE homework_attaches.bid_id in (SELECT bid_id FROM homework_for_courses WHERE course_id = #{course_id} )
|
||
)
|
||
GROUP BY members.user_id ORDER BY score #{score_sort_by}"
|
||
else
|
||
sql_select = "SELECT members.*, SUM(homework_attaches.score) as score FROM members, homework_attaches
|
||
WHERE members.course_id = #{course_id} AND members.user_id in (SELECT students_for_courses.student_id FROM students_for_courses WHERE course_id = #{course_id}) AND members.user_id = homework_attaches.user_id
|
||
AND homework_attaches.bid_id in (SELECT bid_id FROM homework_for_courses WHERE course_id = #{course_id}) GROUP BY members.user_id
|
||
UNION all
|
||
SELECT members.*, 0 as score FROM members,homework_attaches,students_for_courses WHERE members.course_id = #{course_id} AND
|
||
students_for_courses.course_id = #{course_id} and members.user_id = students_for_courses.student_id AND
|
||
members.user_id NOT IN (SELECT homework_attaches.user_id FROM homework_attaches WHERE homework_attaches.bid_id in (SELECT bid_id FROM homework_for_courses WHERE course_id = #{course_id} )
|
||
)
|
||
GROUP BY members.user_id ORDER BY score #{score_sort_by} " #limit #{start_from}, #{nums}"
|
||
|
||
end
|
||
else
|
||
sql_select = "SELECT members.*, SUM(homework_attaches.score) as score FROM members, homework_attaches
|
||
WHERE members.course_id = #{course_id} AND members.user_id in (SELECT students_for_courses.student_id FROM students_for_courses WHERE course_id = #{course_id}) AND members.user_id = homework_attaches.user_id
|
||
and members.course_group_id = #{groupid} AND homework_attaches.bid_id in (SELECT bid_id FROM homework_for_courses WHERE course_id = #{course_id})
|
||
GROUP BY members.user_id
|
||
UNION all
|
||
SELECT members.*, 0 as score FROM members,homework_attaches,students_for_courses WHERE members.course_id = #{course_id}
|
||
and members.course_group_id = #{groupid} AND
|
||
students_for_courses.course_id = #{course_id} and members.user_id = students_for_courses.student_id AND
|
||
members.user_id NOT IN (SELECT homework_attaches.user_id FROM homework_attaches WHERE homework_attaches.bid_id in (SELECT bid_id FROM homework_for_courses WHERE course_id = #{course_id} )
|
||
)
|
||
GROUP BY members.user_id ORDER BY score #{score_sort_by}"
|
||
end
|
||
sql = ActiveRecord::Base.connection()
|
||
homework_scores = Member.find_by_sql(sql_select)
|
||
sql.close()
|
||
|
||
homework_scores
|
||
end
|
||
|
||
#app新版api
|
||
#
|
||
#
|
||
#课程动态
|
||
public
|
||
def all_course_dynamics params, current_user
|
||
#获取当前用户的所有课程
|
||
@user = User.find(params[:id])
|
||
if current_user.nil? && !current_user.admin? && !@user.active?
|
||
raise '404'
|
||
return
|
||
end
|
||
if current_user == @user || current_user.admin?
|
||
membership = @user.coursememberships
|
||
else
|
||
membership = @user.coursememberships.all(:conditions => Course.visible_condition(current_user))
|
||
end
|
||
if membership.nil? || membership.count == 0
|
||
raise l(:label_no_courses, :locale => get_user_language(current_user))
|
||
end
|
||
#membership.sort! { |older, newer| newer.created_on <=> older.created_on }
|
||
|
||
#定义一个数组集合，存放hash数组，该hash数组包括课程的信息，并包含课程的最新发布的资源，最新的讨论区留言，最新的作业，最新的通知
|
||
result = []
|
||
#对用户所有的课程进行循环，找到每个课程最新发布的资源，最新的讨论区留言，最新的作业，最新的通知，并存进数组
|
||
|
||
membership.each do |mp|
|
||
course = mp.course
|
||
latest_course_dynamics = []
|
||
notices_count = 0
|
||
topic_count = 0
|
||
topics = nil
|
||
homeworkss = nil
|
||
notices = nil
|
||
|
||
# 课程通知
|
||
latest_news = course.news.page(1).per(2).order("created_on desc")
|
||
unless latest_news.first.nil?
|
||
notices_count = course.news.count
|
||
notices = latest_news.all
|
||
latest_course_dynamics << {:time => latest_news.first.created_on }
|
||
end
|
||
# 课程讨论区
|
||
latest_message = course.boards.first.topics.page(1).per(2)
|
||
unless latest_message.first.nil?
|
||
topic_count = course.boards.nil? ? 0 : course.boards.first.topics.count
|
||
topics = latest_message.all
|
||
latest_course_dynamics << {:time => latest_message.first.created_on}
|
||
end
|
||
# 课程资源
|
||
# latest_attachment = course.attachments.order("created_on desc").page(1).per(2)
|
||
# unless latest_attachment.first.nil?
|
||
# latest_course_dynamics << {:type => 3, :time => latest_attachment.first.created_on,:count =>course.attachments.count , :documents=>latest_attachment}
|
||
# dynamics_count += 1
|
||
# end
|
||
|
||
#课程作业 已经交的学生列表（暂定显示6人），未交的学生列表，作业的状态
|
||
homeworks = course.homework_commons.page(1).per(2).order('created_at desc')
|
||
unless homeworks.first.nil?
|
||
homeworkss = homeworks
|
||
latest_course_dynamics << {:time => homeworks.first.updated_at}
|
||
end
|
||
latest_course_dynamics.sort! { |order, newer| newer[:time] <=> order[:time] }
|
||
# 课程学霸 学生总分数排名靠前的5个人
|
||
homework_count = course.homework_commons.count
|
||
sql = "select users.*,ROUND(sum(student_works.final_score),2) score from student_works left outer join users on student_works.user_id = users.id" <<
|
||
" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{course.id}) GROUP BY student_works.user_id ORDER BY score desc limit 0,4"
|
||
|
||
better_students = User.find_by_sql(sql)
|
||
|
||
# 找出在课程讨论区发帖回帖数最多的
|
||
active_students = []
|
||
sql1 = " select users.*,count(author_id)*2 active_count from messages " <<
|
||
" LEFT JOIN users on messages.author_id = users.id " <<
|
||
" where messages.board_id in (select id from boards where boards.course_id = #{course.id} ) " <<
|
||
" GROUP BY messages.author_id ORDER BY count(author_id) desc " <<
|
||
" limit 0,4"
|
||
active_students = User.find_by_sql(sql1)
|
||
|
||
if homework_count != 0 && !better_students.empty?
|
||
latest_course_dynamics <<{:time=>"1970-01-01 0:0:0 +0800"}
|
||
end
|
||
unless active_students.empty?
|
||
latest_course_dynamics <<{:time=>"1970-01-01 0:0:0 +0800"}
|
||
end
|
||
latest_course_dynamic = latest_course_dynamics.first
|
||
unless latest_course_dynamic.nil?
|
||
result << {:course_name => course.name,
|
||
:current_user_is_member => current_user.member_of_course?(course),
|
||
:current_user_is_teacher => is_course_teacher(current_user,course),
|
||
:course_id => course.id,
|
||
:course_img_url => url_to_avatar(course),
|
||
:course_time => course.time,
|
||
:course_term => course.term,
|
||
:news_count => notices_count,
|
||
:homework_count => homework_count,
|
||
:topic_count => topic_count,
|
||
:news => notices,
|
||
:homeworks => homeworkss,
|
||
:topics => topics,
|
||
:better_students => better_students,
|
||
:active_students => active_students,
|
||
:message => "",
|
||
:course_student_num=>course ? course.members.count : 0,
|
||
#:time_from_now=> distance_of_time_in_words(Time.now, latest_course_dynamic[:time].to_time) << "前",
|
||
:time_from_now=>time_from_now(latest_course_dynamic[:time].to_time), #.strftime('%Y-%m-%d %H:%M:%S').to_s,
|
||
:time=>latest_course_dynamic[:time].to_time}
|
||
end
|
||
|
||
end
|
||
#返回数组集合
|
||
result.sort! { |order, newer| newer[:time] <=> order[:time] }
|
||
|
||
result
|
||
end
|
||
|
||
# 获取课程历次作业的学生总成绩
|
||
def students_score_list params,current_user
|
||
page = (params[:page] || 1) - 1
|
||
user_list = []
|
||
max_size = 0
|
||
if params[:type] == 1
|
||
|
||
sql = "select users.*,ROUND(sum(student_works.final_score),2) score from student_works left outer join users on student_works.user_id = users.id" <<
|
||
" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{params[:course_id]}) GROUP BY student_works.user_id ORDER BY score desc limit #{page*10},10"
|
||
sql_count = " select count(distinct(student_works.user_id) ) " <<
|
||
" from student_works left outer join users on student_works.user_id = users.id " <<
|
||
" where homework_common_id in " <<
|
||
" ( select id from homework_commons where homework_commons.course_id = #{params[:course_id]}) "
|
||
max_size = ActiveRecord::Base.connection().select_value(sql_count)
|
||
user_list = User.find_by_sql(sql)
|
||
else
|
||
sql1 = " select users.*,count(author_id)*2 active_count from messages " <<
|
||
" LEFT JOIN users on messages.author_id = users.id " <<
|
||
" where messages.board_id in (select id from boards where boards.course_id = #{params[:course_id]} ) " <<
|
||
" GROUP BY messages.author_id ORDER BY count(author_id) desc " <<
|
||
" limit #{page*10},10"
|
||
sql1_count = " select count(DISTINCT(messages.author_id))" <<
|
||
" from messages LEFT JOIN users on messages.author_id = users.id " <<
|
||
" where messages.board_id in (select id from boards where boards.course_id = #{params[:course_id]} )"
|
||
max_size = ActiveRecord::Base.connection().select_value(sql1_count)
|
||
user_list = User.find_by_sql(sql1)
|
||
end
|
||
{:user_list=>user_list,:max_size=>max_size}
|
||
end
|
||
|
||
# 获取某次作业的所有作业列表
|
||
def student_work_list params,current_user
|
||
is_teacher = current_user.allowed_to?(:as_teacher,Course.find(params[:course_id]))
|
||
homework = HomeworkCommon.find(params[:homework_id])
|
||
student_works = []
|
||
#老师 || 非匿评作业 || 匿评结束 显示所有的作品
|
||
show_all = is_teacher || homework.homework_type != 1 || homework.homework_detail_manual.comment_status == 3
|
||
if show_all
|
||
if homework.homework_type == 1 || is_teacher || current_user.admin?
|
||
student_works = homework.student_works.page(params[:page] || 1).per(10).order("final_score desc ")
|
||
else
|
||
my_work = homework.student_works.where(:user_id => current_user.id)
|
||
if my_work.empty?
|
||
student_works = []
|
||
else
|
||
student_works = homework.student_works.page(params[:page] || 1).per(10).order("final_score desc")
|
||
end
|
||
end
|
||
else #学生
|
||
if homework.homework_detail_manual.comment_status == 1 #未开启匿评，只显示我的作品
|
||
student_works = homework.student_works.where(:user_id => current_user.id).page(params[:page] || 1).per(10)
|
||
elsif homework.homework_detail_manual.comment_status == 2 #匿评列表，显示匿评作品和我的作品
|
||
#is_evaluation = true
|
||
my_work = homework.student_works.where(:user_id => current_user.id).page(params[:page] || 1).per(10)
|
||
student_works = my_work + current_user.student_works_evaluation_distributions.map(&:student_work).select { |work| work.homework_common_id == homework.id}
|
||
end
|
||
end
|
||
student_works
|
||
end
|
||
|
||
# 获取课程的讨论区信息
|
||
def board_message_list params,current_user
|
||
# 课程讨论区
|
||
course = Course.find(params[:course_id])
|
||
latest_message = course.boards.first.topics.page(params[:page] || 1).per(10)
|
||
end
|
||
|
||
#获取回复列表
|
||
def board_message_reply_list params,current_user
|
||
board = Board.find(params[:board_id])
|
||
reply_list = board.topics.where("id = #{params[:msg_id]}").first.children.order("created_on desc").page(params[:page] || 1).per(10)
|
||
end
|
||
|
||
#回复讨论区
|
||
def board_message_reply params,current_user
|
||
author = Message.find(params[:parent_id]).author
|
||
quote = "<blockquote>" << author.realname << "(" << author.nickname << ")写到： <br/>" << params[:quote] <<"<div class='cl'></div></blockquote>"
|
||
reply = Message.new
|
||
reply.author = current_user
|
||
reply.board = Board.find(params[:board_id])
|
||
params[:reply] = {}
|
||
params[:reply][:subject] = params[:subject] #本回复标题
|
||
params[:reply][:content] = params[:content] #本回复内容
|
||
params[:reply][:quote] = {}
|
||
params[:reply][:quote][:quote] = params[:quote] #本回复引用的内容，也是父id内容
|
||
params[:reply][:parent_topic] = params[:parent_id] # 父id
|
||
params[:reply][:board_id] = params[:board_id] #讨论区id
|
||
params[:reply][:id] = params[:root_id] #根id
|
||
reply.safe_attributes = params[:reply]
|
||
if params[:root_id] == params[:parent_id]
|
||
reply.content = reply.content
|
||
else
|
||
reply.content = quote + reply.content
|
||
end
|
||
|
||
Message.find(params[:root_id]).children << reply
|
||
reply
|
||
end
|
||
|
||
# # 开启匿评
|
||
# #statue 1:启动成功，2：启动失败，作业总数大于等于2份时才能启动匿评，3:已开启匿评，请务重复开启,4:没有开启匿评的权限
|
||
# def start_anonymous_comment params,current_user
|
||
# homework = HomeworkCommon.find(params[:homework_id])
|
||
# return {:status=>4} unless current_user.admin? || current_user.allowed_to?(:as_teacher,Course.find(params[:course_id]))
|
||
# return {:status=>5} if Time.parse(homework.end_time.to_s).strftime("%Y-%m-%d") >= Time.now.strftime("%Y-%m-%d")
|
||
# homework_detail_manual = homework.homework_detail_manual
|
||
# if homework_detail_manual.comment_status == 1
|
||
# student_works = homework.student_works
|
||
# if student_works && student_works.size >=2
|
||
# student_works.each_with_index do |work, index|
|
||
# user = work.user
|
||
# n = homework_detail_manual.evaluation_num
|
||
# n = n < student_works.size ? n : student_works.size - 1
|
||
# assigned_homeworks = get_assigned_homeworks(student_works, n, index)
|
||
# assigned_homeworks.each do |h|
|
||
# student_works_evaluation_distributions = StudentWorksEvaluationDistribution.new(user_id: user.id, student_work_id: h.id)
|
||
# student_works_evaluation_distributions.save
|
||
# end
|
||
# end
|
||
# homework_detail_manual.update_column('comment_status', 2)
|
||
# statue = 1
|
||
# else
|
||
# statue = 2
|
||
# end
|
||
# else
|
||
# statue = 3
|
||
# end
|
||
# {:status => statue}
|
||
# end
|
||
#
|
||
# def get_assigned_homeworks(student_works, n, index)
|
||
# student_works += student_works
|
||
# student_works[index + 1 .. index + n]
|
||
# end
|
||
|
||
#修改班级成员角色
|
||
def modify_user_course_role params,roles_id
|
||
status = -1
|
||
|
||
c = Course.find("#{params[:id]}")
|
||
|
||
# member = c.member_principals.includes(:roles, :principal).where("user_id=?",params[:user_id]).first
|
||
member = c.members.where("user_id=?",params[:user_id]).first
|
||
|
||
if member
|
||
member.role_ids = roles_id
|
||
|
||
role = Role.find(roles_id[0])
|
||
|
||
# 这里的判断只能通过角色名，可以弄成常量
|
||
if roles_id && roles_id.include?(10)
|
||
StudentsForCourse.create(:student_id => params[:user_id], :course_id =>params[:id])
|
||
else
|
||
joined = StudentsForCourse.where('student_id = ? and course_id = ?', params[:user_id],params[:id])
|
||
joined.each do |join|
|
||
join.delete
|
||
end
|
||
member.course_group_id = 0
|
||
end
|
||
if role.allowed_to?(:is_manager)
|
||
courseInfo = CourseInfos.new(:user_id => params[:user_id], :course_id => params[:id])
|
||
courseInfo.save
|
||
else
|
||
user_admin = CourseInfos.where("user_id = ? and course_id = ?", params[:user_id], params[:id])
|
||
if user_admin.size > 0
|
||
user_admin.each do |user|
|
||
user.destroy
|
||
end
|
||
end
|
||
end
|
||
|
||
Role.givable.all[3..5]
|
||
|
||
if member.save
|
||
status = 0
|
||
end
|
||
end
|
||
status
|
||
end
|
||
|
||
#删除班级成员
|
||
def delete_course_member course,user_id,current_user
|
||
if current_user.nil?
|
||
state = -1
|
||
return state
|
||
end
|
||
|
||
member = course.members.where("user_id=?",user_id).first
|
||
|
||
if member != nil
|
||
member.destroy
|
||
user_admin = CourseInfos.where("user_id = ? and course_id = ?", member.user_id, course.id)
|
||
if user_admin.size > 0
|
||
user_admin.each do |user|
|
||
user.destroy
|
||
end
|
||
end
|
||
joined = StudentsForCourse.where('student_id = ? and course_id = ?', member.user_id,course.id)
|
||
joined.each do |join|
|
||
join.delete
|
||
end
|
||
roles = Role.givable.all[3..5]
|
||
#移出课程发送消息
|
||
CourseMessage.create(:user_id => member.user_id, :course_id => course.id, :course_message_type => "RemoveFromCourse", :viewed => false, :course_message_id => current_user.id)
|
||
return 0
|
||
else
|
||
return 1
|
||
end
|
||
end
|
||
|
||
end
|
||
|