class CoursesController < ApplicationController layout 'base_courses' include CoursesHelper helper :activities helper :members helper :words before_filter :auth_login1, :only => [:show, :feedback] menu_item :overview menu_item :feedback, :only => :feedback menu_item :homework, :only => :homework menu_item :new_homework, :only => :new_homework menu_item l(:label_sort_by_time), :only => :index menu_item l(:label_sort_by_active), :only => :index menu_item l(:label_sort_by_influence), :only => :index before_filter :can_show_course, :except => [] before_filter :find_course, :except => [ :index, :search,:list, :new,:join,:unjoin, :create, :copy, :statistics, :new_join, :course, :enterprise_course, :course_enterprise,:view_homework_attaches,:join_private_courses] before_filter :authorize_course, :only => [:show, :settings, :edit, :update, :modules, :close, :reopen, :view_homework_attaches, :course] before_filter :authorize_course_global, :only => [:view_homework_attaches, :new,:create] before_filter :require_admin, :only => [:copy, :archive, :unarchive, :destroy, :calendar] before_filter :toggleCourse, :only => [:finishcourse, :restartcourse] before_filter :require_login, :only => [:join, :unjoin] #before_filter :allow_join, :only => [:join] def join if User.current.logged? cs = CoursesService.new join = cs.join_course params,User.current @state = join[:state] course = join[:course] #course = Course.find_by_id params[:object_id] #if course # if course_endTime_timeout? course # @state = 2 # else # if User.current.member_of_course?(course) # @state = 3 # else # if params[:course_password] == course.password # members = [] # members << Member.new(:role_ids => [10], :user_id => User.current.id) # course.members << members # StudentsForCourse.create(:student_id => User.current.id, :course_id => params[:object_id]) # @state = 0 # else # @state = 1 # end # end # end #else # @state = 4 #end else @state = 5 #未登录 end respond_to do |format| format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => course, :object_id => params[:object_id]} } end rescue Exception => e @state = 4 #已经加入了课程 respond_to do |format| # format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}} format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => nil, :object_id => nil} } end end def unjoin if User.current.logged? # # @member = Member.where('course_id = ? and user_id = ?', params[:object_id], User.current.id) # @member.first.destroy # # joined = StudentsForCourse.where('student_id = ? and course_id = ?', User.current.id, params[:object_id]) # joined.each do |join| # join.delete # end cs = CoursesService.new cs.exit_course params,User.current end respond_to do |format| # format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}} format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => Course.find(params[:object_id]), :object_id => params[:object_id]} } end end def join_private_courses respond_to do |format| format.js end end #更新课程信息 def update cs = CoursesService.new c = cs.edit_course params,@course,User.current @course = c[:course] if @course.errors.full_messages.count <= 0 respond_to do |format| format.html { flash[:notice] = l(:notice_successful_update) redirect_to settings_course_url(@course) } format.api { render_api_ok } end else respond_to do |format| format.html { settings render :action => 'settings' } format.api { render_validation_errors(@course) } end end #@course.safe_attributes = params[:course] #@course.time = params[:time] #@course.term = params[:term] #@course.class_period = params[:class_period] #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 # # respond_to do |format| # format.html { # flash[:notice] = l(:notice_successful_update) # redirect_to settings_course_url(@course) # } # format.api { render_api_ok } # end #else # respond_to do |format| # format.html { # settings # render :action => 'settings' # } # format.api { render_validation_errors(@course) } # end #end end def new_join @course = Course.find(params[:object_id]) end # 课程搜索 # add by nwb def search courses_all = Course.all_course name = params[:name] #(redirect_to courses_url, :notice => l(:label_sumbit_empty);return) if name.blank? if name.blank? @courses = [] @courses_all = [] @course_count = 0 @course_pages = Paginator.new @course_count, per_page_option, params['page'] else @courses = courses_all.visible if params[:name].present? @courses_all = @courses.like(params[:name]) else @courses_all = @courses; end @course_count = @courses_all.count @course_pages = Paginator.new @course_count, per_page_option, params['page'] # 课程的动态数 @course_activity_count=Hash.new @courses_all.each do |course| @course_activity_count[course.id]=0 end case params[:course_sort_type] when '0' @courses = @courses_all.order("created_at desc") @s_type = 0 @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) @course_activity_count=get_course_activity @courses,@course_activity_count when '1' @courses = @courses_all.order("course_ac_para desc") @s_type = 1 @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) @course_activity_count=get_course_activity @courses,@course_activity_count when '2' @courses = @courses_all.order("watchers_count desc") @s_type = 2 @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) @course_activity_count=get_course_activity @courses,@course_activity_count when '3' @course_activity_count=get_course_activity @courses_all,@course_activity_count_array @courses=handle_course @courses_all,@course_activity_count @s_type = 3 @courses = @courses[@course_pages.offset, @course_pages.per_page] else @s_type = 0 @courses = @courses_all.order("created_at desc") @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) @course_activity_count=get_course_activity @courses,@course_activity_count end end respond_to do |format| format.html { render :layout => 'course_base' scope = Course unless params[:closed] scope = scope.active end } format.atom { courses = Course.visible.order('created_on DESC').limit(Setting.feeds_limit.to_i).all render_feed(courses, :title => "#{Setting.app_title}: #{l(:label_course_latest)}") } end rescue Exception => e if e.message == 'sumbit empty' (redirect_to courses_url, :notice => l(:label_sumbit_empty);return) end end def searchmembers @subPage_title = l :label_student_list @render_file = 'member_list' @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' @is_remote = true @score_sort_by = "desc" q = "#{params[:name].strip}" #(redirect_to stores_url, :notice => l(:label_sumbit_empty);return) if params[:name].blank? if params[:incourse] @results = searchmember_by_name(student_homework_score(0,0,0,"desc"), q) elsif params[:ingroup] @group = CourseGroup.find(params[:search_group_id]) @results = searchmember_by_name(student_homework_score(@group.id,0,0,"desc"), q) end @is_remote = true @result_count = @results.count @results = paginateHelper @results, 10 @search_name = q end def addgroups @subPage_title = l :label_student_list if params[:group_name] group = CourseGroup.new group.name = params[:group_name] group.course_id = @course.id group.save end @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' @is_remote = true @course_groups = @course.course_groups end def deletegroup CourseGroup.delete(params[:group_id]) @subPage_title = l :label_student_list @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' @is_remote = true @course_groups = @course.course_groups end def updategroupname @subPage_title = l :label_student_list if params[:group_name] group = CourseGroup.find(params[:group_id]) group.name = params[:group_name] group.save end @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' @is_remote = true @course_groups = @course.course_groups end def valid_ajax req = Hash.new(false) req[:message] = '' valid_attr = params[:valid] valid_value = params[:value] faker = CourseGroup.new if valid_attr.eql?('name') faker.name = valid_value faker.course_id = params[:course_id] faker.valid? req[:valid] = faker.errors[:name].blank? req[:message] = faker.errors[:name] end req[:message] = l(:modal_valid_passing) if req[:message].blank? render :json => req end def join_group @subPage_title = l :label_student_list group = CourseGroup.find(params[:object_id]) member = Member.where(:course_id => @course.id, :user_id => User.current.id).first member.course_group_id = group.id member.save @group = group @course_groups = @course.course_groups search_group_members group end def unjoin_group @subPage_title = l :label_student_list group = CourseGroup.find(params[:object_id]) member = Member.where(:course_id => @course.id, :user_id => User.current.id).first member.course_group_id = 0 member.save @group = group @course_groups = @course.course_groups search_group_members group end def searchgroupmembers @subPage_title = l :label_student_list @render_file = 'member_list' @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' @is_remote = true @score_sort_by = "desc" if params[:group_id] && params[:group_id] != "0" @group = CourseGroup.find(params[:group_id]) @results = student_homework_score(@group.id,0, 0,"desc") @results = paginateHelper @results, 10 else page_from = params[:page].nil? ? 0 : (params[:page].to_i - 1) @results = student_homework_score(0,page_from, 10,"desc") @results = paginateHelper_for_members @results, 10 end end def member ## 有角色参数的才是课程,没有的就是项目 if (User.current.admin? || @course.is_public == 1 || (@course.is_public == 0 && User.current.member_of_course?(@course))) @render_file = 'member_list' @score_sort_by = "desc" @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' @role = params[:role].nil? ? '2':params[:role] @is_remote = true @course_groups = @course.course_groups if @course.course_groups @show_serch = params[:role] == '2' case @role when '1' @subPage_title = l :label_teacher_list @all_members = searchTeacherAndAssistant(@course) @members = paginateHelper @all_members, 10 when '2' @subPage_title = l :label_student_list page = params[:page].nil? ? 0 : (params['page'].to_i - 1) @all_members = student_homework_score(0,page, 10,"desc") @members = paginateHelper_for_members @all_members, 10 end respond_to do |format| if params[:page] format.js else format.html {render :layout => 'base_courses'} end end # render :layout => 'base_courses' else render_403 end end def export_course_member_excel @all_members = student_homework_score(0,0,0,"desc") respond_to do |format| format.xls { send_data(member_to_xls(@all_members,@course.course_groups), :type => "text/excel;charset=utf-8; header=present", :filename => "#{@course.teacher.lastname.to_s + @course.teacher.firstname.to_s }_#{@course.name}_#{@course.time.to_s + @course.term}#{l(:excel_member_list)}.xls") } end end def member_score_sort # @teachers= searchTeacherAndAssistant(@course) @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' # @role = params[:role] # @course_groups = @course.course_groups if @course.course_groups # @show_serch = params[:role] == '2' @subPage_title = l :label_student_list @render_file = 'member_list' # @results = params[:result] if params[:result] # unless @result.nil? # @results = @result.reverse # # end # @results = paginateHelper @results@score_sort_by = "desc" @is_remote = true @score_sort_by = params[:sort_by] if params[:sort_by] @search_name = params[:search_name] if params[:search_name] group_id = params[:group_id] if !@search_name.nil? if group_id == '0' page = params[:page].nil? ? 0 : (params['page'].to_i - 1) @results = searchmember_by_name(student_homework_score(0,0,0,@score_sort_by), @search_name) @result_count = @results.count @results = paginateHelper @results, 10 else @group = CourseGroup.find(group_id) @results = searchmember_by_name(student_homework_score(group_id, 0, 0,@score_sort_by),@search_name) @result_count = @results.count @results = paginateHelper @results, 10 end else if group_id == '0' page = params[:page].nil? ? 0 : (params['page'].to_i - 1) @results = student_homework_score(0,page, 10,@score_sort_by) @results = paginateHelper_for_members @results, 10 else @group = CourseGroup.find(group_id) @results = student_homework_score(group_id, 0, 0,@score_sort_by) @results = paginateHelper @results, 10 end end end # 显示每个学生的作业评分详情 def show_member_score @member_score = Member.find(params[:member_id]) if params[:member_id] respond_to do |format| format.html {render :layout => 'course_base'} format.js end end def handle_course courses, activities course_activity_count_array=activities.values() course_array=[] i=0; courses.each do |course| course_array[i]=course i=i+1 end courses=desc_sort_course_by_avtivity(course_activity_count_array, course_array) return courses end def settings if User.current.allowed_to?(:as_teacher,@course) @issue_custom_fields = IssueCustomField.sorted.all @issue_category ||= IssueCategory.new @member ||= @course.members.new @trackers = Tracker.sorted.all else render_403 end end def create cs = CoursesService.new @course = cs.create_course(params,User.current)[:course] if @course.new_record? respond_to do |format| format.html { render :action => 'new', :layout => 'base' } #Added by young format.api { render_validation_errors(@course) } end else respond_to do |format| format.html { flash[:notice] = l(:notice_successful_create) if params[:continue] redirect_to new_course_url(attrs, :course => '0') elsif params[:course_continue] redirect_to new_course_url(:course => '1') else redirect_to settings_course_url(@course, :course_type => 1) end } format.api { render :action => 'show', :status => :created, :location => url_for(:controller => 'courses', :action => 'show', :id => @course.id) } end end #if User.current.user_extensions.identity # @course = Course.new # @course.extra='course' + DateTime.parse(Time.now.to_s).strftime('%Y-%m-%d_%H-%M-%S').to_s # @course.safe_attributes = params[:course] # @course.tea_id = User.current.id # # added by bai # @course.term = params[:term] # @course.time = params[:time] # #@course.school_id = params[:occupation] # @course.school_id = User.current.user_extensions.school_id # @course.setup_time = params[:setup_time] # @course.endup_time = params[:endup_time] # @course.class_period = params[:class_period] #end # #@issue_custom_fields = IssueCustomField.sorted.all #@trackers = Tracker.sorted.all # #if @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 => User.current, :roles => [r]) # m.project_id = -1 # course = CourseInfos.new(:user_id => User.current.id, :course_id => @course.id) # #user_grades = UserGrade.create(:user_id => User.current.id, :course_id => @course.id) # if params[:course][:is_public] == '1' # course_status = CourseStatus.create(:course_id => @course.id, :watchers_count => 0, :changesets_count => 0, :grade => 0, :course_type => @course_tag) # end # @course.members << m # @course.course_infos << course # #end # respond_to do |format| # format.html { # flash[:notice] = l(:notice_successful_create) # if params[:continue] # redirect_to new_course_url(attrs, :course => '0') # elsif params[:course_continue] # redirect_to new_course_url(:course => '1') # else # redirect_to settings_course_url(@course, :course_type => 1) # end # } # format.api { render :action => 'show', :status => :created, :location => url_for(:controller => 'courses', :action => 'show', :id => @course.id) } # end # else # #@course.destroy # respond_to do |format| # format.html { render :action => 'new', :layout => 'base' } #Added by young # format.api { render_validation_errors(@course) } # end # end end def course @school_id = params[:school_id] per_page_option = 10 if @school_id == "0" or @school_id.nil? @courses_all = Course.active.visible. joins("LEFT JOIN #{CourseStatus.table_name} ON #{Course.table_name}.id = #{CourseStatus.table_name}.course_id") else @courses_all = Course.active.visible. joins("LEFT JOIN #{CourseStatus.table_name} ON #{Course.table_name}.id = #{CourseStatus.table_name}.course_id"). joins(:course_extra). where("#{Course.table_name}.school_id = ?", @school_id) end @course_count = @courses_all.count @course_pages = Paginator.new @course_count, per_page_option, params['page'] #gcm activity count @course_activity_count=Hash.new #count initialize @courses_all.each do |course| @course_activity_count[course.id]=0 end #@course_activity_count=get_course_activity @courses_all,@course_activity_count #gcm end case params[:course_sort_type] when '0' @courses = @courses_all.order("created_on desc") @s_type = 0 @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) #gcm @course_activity_count=get_course_activity @courses,@course_activity_count #gcmend when '1' @courses = @courses_all.order("course_ac_para desc") @s_type = 1 @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) #gcm @course_activity_count=get_course_activity @courses,@course_activity_count #gcmend when '2' @courses = @courses_all.order("watchers_count desc") @s_type = 2 @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) #gcm @course_activity_count=get_course_activity @courses,@course_activity_count #gcmend #gcm when '3' #gcm @course_activity_count=get_course_activity @courses_all,@course_activity_count #gcmend @courses=handle_course @courses_all,@course_activity_count @s_type = 3 @courses = @courses[@course_pages.offset, @course_pages.per_page] else @s_type = 0 @courses = @courses_all.order("created_on desc") @courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page) #gcm @course_activity_count=get_course_activity @courses,@course_activity_count #gcmend end respond_to do |format| format.html { render :layout => 'base' } format.api { # @offset, @limit = api_offset_and_limit # @course_count = Course.visible.count # @courses = Course.visible.offset(@offset).limit(@limit).order('lft').all } format.atom { courses = Course.visible.order('created_on DESC').limit(Setting.feeds_limit.to_i).all render_feed(courses, :title => "#{Setting.app_title}: #{l(:label_course_latest)}") } end end def new @course_type = params[:course_type] ||= params[:course] @issue_custom_fields = IssueCustomField.sorted.all @trackers = Tracker.sorted.all @course = Course.new @course.safe_attributes = params[:course] month = Time.now.month render :layout => 'base' end def desc_sort_course_by_avtivity(activity_count, courses) return courses if activity_count.size<2 (activity_count.size-2).downto(0) do |i| (0..i).each do |j| if activity_count[j] 'base' } format.atom { courses = Course.visible.order('created_on DESC').limit(Setting.feeds_limit.to_i).all render_feed(courses, :title => "#{Setting.app_title}: #{l(:label_course_latest)}") } end end def homework if @course.is_public != 0 || User.current.member_of_course?(@course) || User.current.admin? @offset, @limit = api_offset_and_limit({:limit => 10}) @bids = @course.homeworks.order('deadline DESC') @bids = @bids.like(params[:name]) if params[:name].present? @bid_count = @bids.count @bid_pages = Paginator.new @bid_count, @limit, params['page'] @offset ||= @bid_pages.reverse_offset unless @offset == 0 @bids = @bids.offset(@offset).limit(@limit).all.reverse else limit = @bid_count % @limit if limit == 0 limit = 10 end @bids = @bids.offset(@offset).limit(limit).all.reverse end render :layout => 'base_courses' else render_403 end end # 新建作业 def new_homework @homework = Bid.new @homework.safe_attributes = params[:bid] @homework.open_anonymous_evaluation = 1 if (User.current.logged? && User.current.member_of_course?(Course.find params[:id] )) render :layout => 'base_courses' else render_403 end end def toggleCourse @course_prefs = Course.find_by_extra(@course.extra) unless (@course_prefs.teacher == User.current || User.current.admin?) render_403 end end def get_courses @user = User.current membership = @user.coursememberships.all membership.sort! {|older, newer| newer.created_on <=> older.created_on } @memberships = [] membership.collect { |e| @memberships.push(e) } @memberships_doing = [] @memberships_done = [] now_time = Time.now.year @memberships.map { |e| end_time = e.course.get_time.year isDone = course_endTime_timeout?(e.course) if isDone @memberships_done.push e else @memberships_doing.push e end } end def finishcourse yesterday = Date.today.prev_day.to_time @course_prefs.endup_time = yesterday @save_flag = @course_prefs.save get_courses respond_to do |format| format.js end end def restartcourse day = Time.parse("3000-01-01") @course_prefs.endup_time = day @save_flag = @course_prefs.save get_courses respond_to do |format| format.js { render action:'finishcourse' } end end def show # try to redirect to the requested menu item if params[:jump] && redirect_to_course_menu_item(@course, params[:jump]) return end @users_by_role = @course.users_by_role if(User.find_by_id(CourseInfos.find_by_course_id(@course.id).try(:user_id))) @user = User.find_by_id(CourseInfos.find_by_course_id(@course.id).user_id) end @key = User.current.rss_key #新增内容 @days = Setting.activity_days_default.to_i if params[:from] begin; @date_to = params[:from].to_date + 1; rescue; end end has = { "show_course_files" => true, "show_course_news" => true, "show_course_messages" => true, "show_bids" => true, "show_course_journals_for_messages" => true } @date_to ||= Date.today + 1 # @date_from = (@date_to - @days) > @course.created_at.to_date ? (@date_to - @days) : @course.created_at.to_date #@date_from = @date_to - @days-1.years @author = (params[:user_id].blank? ? nil : User.active.find(params[:user_id])) # 决定显示所用用户或单个用户活动 @activity = Redmine::Activity::Fetcher.new(User.current, :course => @course, :with_subprojects => false, :author => @author) @activity.scope_select {|t| has["show_#{t}"]} # modify by nwb # 添加私密性判断 if User.current.member_of_course?(@course)|| User.current.admin? events = @activity.events(@days, @course.created_at) else events = @activity.events(@days, @course.created_at, :is_public => 1) end # 无新动态时,显示老动态 if events.count == 0 if User.current.member_of_course?(@course)|| User.current.admin? events = @activity.events else events = @activity.events(:is_public => 1) end end @offset, @limit = api_offset_and_limit({:limit => 10}) @events_count = events.count @events_pages = Paginator.new @events_count, @limit, params['page'] @offset ||= @events_pages.offset events = events.slice(@offset,@limit) @events_by_day = events.group_by {|event| User.current.time_to_date(event.event_datetime)} # documents @sort_by = %w(category date title author).include?(params[:sort_by]) ? params[:sort_by] : 'category' # 这写变量发现没有用而且拖慢速度 #@teachers= searchTeacherAndAssistant(@course) #@canShowRealName = isCourseTeacher(User.current.id,@course) if(User.find_by_id(CourseInfos.find_by_course_id(@course.id).try(:user_id))) @user = User.find_by_id(CourseInfos.find_by_course_id(@course.id).user_id) end respond_to do |format| format.html{render :layout => 'base_courses'} format.api end end #判断指定用户是否为课程教师 def isCourseTeacher(id,course) result = false user = User.find(id) if !user.nil? && user.allowed_to?(:as_teacher,course) result = true end result end def feedback if (User.current.admin? || @course.is_public == 1 || (@course.is_public == 0 && User.current.member_of_course?(@course))) page = params[:page] # Find the page of the requested reply @jours = @course.journals_for_messages.where('m_parent_id IS NULL').order('created_on DESC') @limit = 10 if params[:r] && page.nil? offset = @jours.count(:conditions => ["#{JournalsForMessage.table_name}.id > ?", params[:r].to_i]) page = 1 + offset / @limit end #@feedback_count = @jours.count #@feedback_pages = Paginator.new @feedback_count, @limit, page #@offset ||= @feedback_pages.offset @jour = paginateHelper @jours,10 @state = false respond_to do |format| format.html{render :layout => 'base_courses'} format.api end else render_403 end end #根据已有课程复制课程 #param id:已有课程ID def copy_course if @course @new_course = Course.new @course.attributes @new_course.tea_id = User.current.id @new_course.created_at = DateTime.now @new_course.updated_at = DateTime.now @new_course.endup_time = nil if @new_course.save r = Role.givable.find_by_id(Setting.new_project_user_role_id.to_i) || Role.givable.first m = Member.new(:user => User.current, :roles => [r]) m.project_id = -1 course = CourseInfos.new(:user_id => User.current.id, :course_id => @new_course.id) #user_grades = UserGrade.create(:user_id => User.current.id, :course_id => @course.id) if @new_course.is_public == 1 course_status = CourseStatus.create(:course_id => @new_course.id, :watchers_count => 0, :changesets_count => 0, :grade => 0, :course_type => 1) end @new_course.members << m @new_course.course_infos << course redirect_to settings_course_url @new_course end else render_404 end end private def allow_join course if course_endTime_timeout? course respond_to do |format| format.js { @state = 2 render :partial => 'set_join', :locals => {:user => User.current, :course => Course.find(params[:object_id]), :object_id => params[:object_id] } } end end end #验证是否显示课程 def can_show_course @first_page = FirstPage.find_by_page_type('project') if @first_page.show_course == 2 render_404 end end def student_homework_score(groupid,start_from, 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 #获取课程的老师列表 def find_course_teachers course searchTeacherAndAssistant(course).map{|teacher| teacher.user_id}.join(",") end #当加入,退出分班时查询分班的学生 def search_group_members group @subPage_title = l :label_student_list @render_file = 'member_list' @canShowCode = isCourseTeacher(User.current.id,@course) && params[:role] != '1' @is_remote = true @score_sort_by = "desc" page_from = params[:page].nil? ? 0 : (params[:page].to_i - 1) @results = student_homework_score(group.id,0,0, "desc") @results = paginateHelper @results, 10 end def member_to_xls members,groups xls_report = StringIO.new book = Spreadsheet::Workbook.new sheet1 = book.create_worksheet :name => "student" blue = Spreadsheet::Format.new :color => :blue, :weight => :bold, :size => 10 sheet1.row(0).default_format = blue sheet1.row(0).concat([l(:excel_user_id),l(:excel_user_name),l(:excel_nickname),l(:excel_student_id),l(:excel_mail),l(:excel_homework_score)]) count_row = 1 group0 = CourseGroup.new(); group0.id = 0; group0.name = l(:excel_member_with_out_class) groups_dup = groups.dup groups_dup << group0 groups_dup.each do |group| sheet1[count_row,0] = l(:excel_class) sheet1[count_row,1] = group.name count_row += 1 members.each do |member| if member.course_group_id == group.id sheet1[count_row,0]= member.user.id sheet1[count_row,1] = member.user.lastname.to_s + member.user.firstname.to_s sheet1[count_row,2] = member.user.login sheet1[count_row,3] = member.user.user_extensions.student_id sheet1[count_row,4] = member.user.mail sheet1[count_row,5] = format("%0.2f",member.score.nil? ? 0:member.score.to_s) count_row += 1 end end end book.write xls_report xls_report.string end end