712 lines
24 KiB
Ruby
712 lines
24 KiB
Ruby
class CoursesController < ApplicationController
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layout 'base_courses'
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include CoursesHelper
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helper :activities
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helper :members
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helper :words
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menu_item :overview
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menu_item :feedback, :only => :feedback
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menu_item :homework, :only => :homework
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menu_item :new_homework, :only => :new_homework
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menu_item l(:label_sort_by_time), :only => :index
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menu_item l(:label_sort_by_active), :only => :index
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menu_item l(:label_sort_by_influence), :only => :index
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before_filter :can_show_course, :except => []
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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]
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before_filter :authorize_course, :only => [:show, :settings, :edit, :update, :modules, :close, :reopen, :view_homework_attaches, :course]
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before_filter :authorize_course_global, :only => [:view_homework_attaches, :new,:create]
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before_filter :require_admin, :only => [:copy, :archive, :unarchive, :destroy, :calendar]
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before_filter :toggleCourse, only: [:finishcourse, :restartcourse]
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before_filter :require_login, :only => [:join, :unjoin]
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#before_filter :allow_join, :only => [:join]
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def join
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if User.current.logged?
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course = Course.find_by_id params[:object_id]
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if course
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if course_endTime_timeout? course
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@state = 2
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else
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if User.current.member_of_course?(course)
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@state = 3
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else
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if params[:course_password] == course.password
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members = []
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members << Member.new(:role_ids => [10], :user_id => User.current.id)
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course.members << members
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StudentsForCourse.create(:student_id => User.current.id, :course_id => params[:object_id])
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@state = 0
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else
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@state = 1
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end
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end
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end
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else
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@state = 4
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end
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else
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@state = 5
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end
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respond_to do |format|
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format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => course, :object_id => params[:object_id]} }
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end
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rescue Exception => e
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@state = 4
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respond_to do |format|
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# format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
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format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => nil, :object_id => nil} }
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end
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end
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def unjoin
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if User.current.logged?
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@member = Member.where('course_id = ? and user_id = ?', params[:object_id], User.current.id)
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@member.first.destroy
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joined = StudentsForCourse.where('student_id = ? and course_id = ?', User.current.id, params[:object_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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respond_to do |format|
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# format.html { redirect_to_referer_or {render :text => (watching ? 'Watcher added.' : 'Watcher removed.'), :layout => true}}
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format.js { render :partial => 'set_join', :locals => {:user => User.current, :course => Course.find(params[:object_id]), :object_id => params[:object_id]} }
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end
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end
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def join_private_courses
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respond_to do |format|
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format.js
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end
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end
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#更新课程信息
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def update
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@course.safe_attributes = params[:course]
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@course.time = params[:time]
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@course.term = params[:term]
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@course.class_period = params[:class_period]
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if @course.save
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if params[:course][:is_public] == '0'
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course_status = CourseStatus.find_by_course_id(@course.id)
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course_status.destroy if course_status
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elsif params[:course][:is_public] == '1'
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course_status = CourseStatus.find_by_course_id(@course.id)
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course_status.destroy if course_status
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course_status = CourseStatus.create(:course_id => @course.id, :grade => 0)
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end
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respond_to do |format|
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format.html {
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flash[:notice] = l(:notice_successful_update)
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redirect_to settings_course_url(@course)
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}
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format.api { render_api_ok }
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end
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else
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respond_to do |format|
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format.html {
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settings
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render :action => 'settings'
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}
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format.api { render_validation_errors(@course) }
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end
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end
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end
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def new_join
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@course = Course.find(params[:object_id])
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end
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# 课程搜索
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# add by nwb
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def search
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courses_all = Course.all_course
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name = params[:name]
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(redirect_to courses_url, :notice => l(:label_sumbit_empty);return) if name.blank?
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@courses = courses_all.visible
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if params[:name].present?
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@courses_all = @courses.like(params[:name])
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else
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@courses_all = @courses;
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end
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@course_count = @courses_all.count
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@course_pages = Paginator.new @course_count, per_page_option, params['page']
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# 课程的动态数
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@course_activity_count=Hash.new
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@courses_all.each do |course|
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@course_activity_count[course.id]=0
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end
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case params[:course_sort_type]
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when '0'
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@courses = @courses_all.order("created_at desc")
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@s_type = 0
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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@course_activity_count=get_course_activity @courses,@course_activity_count
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when '1'
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@courses = @courses_all.order("course_ac_para desc")
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@s_type = 1
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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@course_activity_count=get_course_activity @courses,@course_activity_count
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when '2'
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@courses = @courses_all.order("watchers_count desc")
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@s_type = 2
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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@course_activity_count=get_course_activity @courses,@course_activity_count
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when '3'
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@course_activity_count=get_course_activity @courses_all,@course_activity_count_array
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@courses=handle_course @courses_all,@course_activity_count
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@s_type = 3
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@courses = @courses[@course_pages.offset, @course_pages.per_page]
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else
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@s_type = 0
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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_activity_count=get_course_activity @courses,@course_activity_count
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end
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respond_to do |format|
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format.html {
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render :layout => 'course_base'
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scope = Course
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unless params[:closed]
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scope = scope.active
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end
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}
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format.atom {
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courses = Course.visible.order('created_on DESC').limit(Setting.feeds_limit.to_i).all
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render_feed(courses, :title => "#{Setting.app_title}: #{l(:label_course_latest)}")
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}
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end
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end
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def member
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## 有角色参数的才是课程，没有的就是项目
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@render_file = 'member_list'
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@teachers= searchTeacherAndAssistant(@course)
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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(@course)
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when '2'
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@subPage_title = l :label_student_list
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@members = searchStudent(@course)
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else
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@subPage_title = ''
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@members = @course.member_principals.includes(:roles, :principal).all.sort
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end
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@members = paginateHelper @members
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render :layout => 'base_courses'
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end
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#判断指定用户是否为课程教师
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def isCourseTeacher(id)
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result = false
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if @teachers.find_by_user_id(id) != nil
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result = true
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end
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result
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end
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def handle_course courses, activities
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course_activity_count_array=activities.values()
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course_array=[]
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i=0;
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courses.each do |course|
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course_array[i]=course
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i=i+1
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end
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courses=desc_sort_course_by_avtivity(course_activity_count_array, course_array)
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return courses
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end
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def settings
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if User.current.allowed_to?(:as_teacher,@course)
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@issue_custom_fields = IssueCustomField.sorted.all
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@issue_category ||= IssueCategory.new
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@member ||= @course.members.new
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@trackers = Tracker.sorted.all
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else
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render_403
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end
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end
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def create
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if User.current.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.safe_attributes = params[:course]
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@course.tea_id = User.current.id
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# added by bai
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@course.term = params[:term]
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@course.time = params[:time]
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#@course.school_id = params[:occupation]
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@course.school_id = User.current.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]
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end
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@issue_custom_fields = IssueCustomField.sorted.all
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@trackers = Tracker.sorted.all
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if @course.save
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#unless User.current.admin?
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r = Role.givable.find_by_id(Setting.new_project_user_role_id.to_i) || Role.givable.first
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m = Member.new(:user => User.current, :roles => [r])
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m.project_id = -1
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course = CourseInfos.new(:user_id => User.current.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)
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end
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@course.members << m
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@course.course_infos << course
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#end
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respond_to do |format|
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format.html {
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flash[:notice] = l(:notice_successful_create)
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if params[:continue]
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redirect_to new_course_url(attrs, :course => '0')
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elsif params[:course_continue]
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redirect_to new_course_url(:course => '1')
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else
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redirect_to settings_course_url(@course, :course_type => 1)
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end
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}
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format.api { render :action => 'show', :status => :created, :location => url_for(:controller => 'courses', :action => 'show', :id => @course.id) }
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end
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else
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#@course.destroy
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respond_to do |format|
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format.html { render :action => 'new', :layout => 'base' } #Added by young
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format.api { render_validation_errors(@course) }
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end
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end
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end
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def course
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@school_id = params[:school_id]
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per_page_option = 10
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if @school_id == "0" or @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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joins(:course_extra).
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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 = Paginator.new @course_count, per_page_option, params['page']
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#gcm activity count
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@course_activity_count=Hash.new
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#count initialize
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@courses_all.each do |course|
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@course_activity_count[course.id]=0
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end
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#@course_activity_count=get_course_activity @courses_all,@course_activity_count
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#gcm end
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case params[:course_sort_type]
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when '0'
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@courses = @courses_all.order("created_on desc")
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@s_type = 0
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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#gcm
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@course_activity_count=get_course_activity @courses,@course_activity_count
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#gcmend
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when '1'
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@courses = @courses_all.order("course_ac_para desc")
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@s_type = 1
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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#gcm
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@course_activity_count=get_course_activity @courses,@course_activity_count
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#gcmend
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when '2'
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@courses = @courses_all.order("watchers_count desc")
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@s_type = 2
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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#gcm
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@course_activity_count=get_course_activity @courses,@course_activity_count
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#gcmend
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#gcm
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when '3'
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#gcm
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@course_activity_count=get_course_activity @courses_all,@course_activity_count
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#gcmend
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@courses=handle_course @courses_all,@course_activity_count
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@s_type = 3
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@courses = @courses[@course_pages.offset, @course_pages.per_page]
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else
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@s_type = 0
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@courses = @courses_all.order("created_on desc")
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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#gcm
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@course_activity_count=get_course_activity @courses,@course_activity_count
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#gcmend
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end
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respond_to do |format|
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format.html {
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render :layout => 'base'
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}
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format.api {
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# @offset, @limit = api_offset_and_limit
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# @course_count = Course.visible.count
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# @courses = Course.visible.offset(@offset).limit(@limit).order('lft').all
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}
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format.atom {
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courses = Course.visible.order('created_on DESC').limit(Setting.feeds_limit.to_i).all
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render_feed(courses, :title => "#{Setting.app_title}: #{l(:label_course_latest)}")
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}
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end
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end
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def new
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@course_type = params[:course_type] ||= params[:course]
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@issue_custom_fields = IssueCustomField.sorted.all
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@trackers = Tracker.sorted.all
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@course = Course.new
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@course.safe_attributes = params[:course]
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month = Time.now.month
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render :layout => 'base'
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end
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def desc_sort_course_by_avtivity(activity_count, courses)
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return courses if activity_count.size<2
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(activity_count.size-2).downto(0) do |i|
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(0..i).each do |j|
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if activity_count[j]<activity_count[j+1]
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courses[j], courses[j+1]=courses[j+1], courses[j]
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activity_count[j], activity_count[j+1]=activity_count[j+1], activity_count[j]
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end
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end
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end
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return courses
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end
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def index
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@course_type = params[:course_type]
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@school_id = params[:school_id]
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per_page_option = 10
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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 = Paginator.new @course_count, per_page_option, params['page']
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@course_activity_count=Hash.new
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@courses_all.each do |course|
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@course_activity_count[course.id]=0
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end
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case params[:course_sort_type]
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when '0'
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@courses = @courses_all.order("created_at desc")
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@s_type = 0
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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@course_activity_count=get_course_activity @courses, @course_activity_count
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when '1'
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@courses = @courses_all.order("course_ac_para desc")
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@s_type = 1
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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@course_activity_count=get_course_activity @courses, @course_activity_count
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when '2'
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@courses = @courses_all.order("watchers_count desc")
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@s_type = 2
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@courses = @courses.offset(@course_pages.offset).limit(@course_pages.per_page)
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@course_activity_count=get_course_activity @courses, @course_activity_count
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when '3'
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@course_activity_count=get_course_activity @courses_all, @course_activity_count
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@courses=handle_course @courses_all, @course_activity_count
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@s_type = 3
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@courses = @courses[@course_pages.offset, @course_pages.per_page]
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else
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@s_type = 0
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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_activity_count=get_course_activity @courses, @course_activity_count
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end
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respond_to do |format|
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format.html {
|
|
render :layout => '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)
|
|
@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(@date_from, @date_to)
|
|
else
|
|
events = @activity.events(@date_from, @date_to, :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'
|
|
#
|
|
@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
|
|
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
|
|
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
|
|
end
|