forked from jasder/forgeplus
299 lines
12 KiB
Ruby
299 lines
12 KiB
Ruby
module CoursesHelper
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def member_manager group, teachers
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str = ""
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members = teachers.select{|teacher| teacher.teacher_course_groups.pluck(:course_group_id).include?(group.id) || teacher.teacher_course_groups.size == 0}
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str = members.uniq.size == teachers.size ? "全部教师" : members.map{|member| member.user.real_name}.join("、")
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str
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# teachers.each do |member|
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# if member.teacher_course_groups.exists?(course_group_id: group.id) || member.teacher_course_groups.size == 0
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# str << member.user.real_name
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# end
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# end
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end
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def edit_auth group, teachers
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User.current.admin_or_business? ||
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teachers.select{|teacher| teacher.user_id == User.current.id &&
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(teacher.teacher_course_groups.pluck(:course_group_id).include?(group.id) || teacher.teacher_course_groups.size == 0)}.size > 0
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end
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# 是否有切换为学生的入口
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def switch_student_role is_teacher, course, user
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is_teacher && course.course_members.where(user_id: user.id, role: %i(STUDENT)).exists?
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end
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# 是否有切换为教师的入口
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def switch_teacher_role is_student, course, user
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is_student && course.course_members.where(user_id: user.id, role: %i(CREATOR PROFESSOR)).exists?
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end
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# 是否有切换为助教的入口
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def switch_assistant_role is_student, course, user
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is_student && course.course_members.where(user_id: user.id, role: %i(ASSISTANT_PROFESSOR)).exists?
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end
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# 课堂结束天数
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def course_end_date end_date
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if end_date.present?
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curr = Time.new
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date = ((Date.parse(end_date.to_s) - Date.parse(curr.to_s)).to_i)
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date > 0 ? "#{date}天后" : ""
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end
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end
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# 课堂模块的url
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def module_url mod, course
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return nil if mod.blank? or course.blank?
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case mod.module_type
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when "announcement"
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"/courses/#{course.id}/informs"
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when "online_learning"
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"/courses/#{course.id}/online_learning"
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when "shixun_homework"
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"/courses/#{course.id}/shixun_homeworks/#{mod.id}"
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when "common_homework"
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"/courses/#{course.id}/common_homeworks/#{mod.id}"
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when "group_homework"
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"/courses/#{course.id}/group_homeworks/#{mod.id}"
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when "graduation"
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"/courses/#{course.id}/graduation_topics/#{mod.id}"
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when "exercise"
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"/courses/#{course.id}/exercises/#{mod.id}"
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when "poll"
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"/courses/#{course.id}/polls/#{mod.id}"
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when "attachment"
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"/courses/#{course.id}/files/#{mod.id}"
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when "board"
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course_board = course.course_board
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"/courses/#{course.id}/boards/#{course_board.id}"
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when "course_group"
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"/courses/#{course.id}/course_groups"
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when "statistics"
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"/courses/#{course.id}/statistics"
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when "video"
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"/courses/#{course.id}/course_videos"
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end
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end
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# 子目录对应的url
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def category_url category, course
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case category.category_type
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when "shixun_homework"
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"/courses/#{course.id}/shixun_homework/#{category.id}"
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when "graduation"
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if category.name == "毕设选题"
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"/courses/#{course.id}/graduation_topics/#{category.course_module_id}"
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else
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"/courses/#{course.id}/graduation_tasks/#{category.course_module_id}"
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end
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when "attachment"
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"/courses/#{course.id}/file/#{category.id}"
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end
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end
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# 子目录下的任务数
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def category_task_count course, category, user
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case category.category_type
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when "shixun_homework"
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get_homework_commons_count(course, 4, category.id)
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when "graduation"
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if category.name == "毕设选题"
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course.graduation_topics_count
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else
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course.graduation_tasks_count
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end
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when "attachment"
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get_attachment_count(course, category.id)
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end
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end
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# 课堂模块的任务数
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def course_task_count(course, module_type)
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case module_type
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when "shixun_homework"
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get_homework_commons_count(course, 4, 0)
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when "common_homework"
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get_homework_commons_count(course, 1, 0)
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when "group_homework"
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get_homework_commons_count(course, 3, 0)
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when "graduation"
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0
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when "exercise"
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course.exercises_count
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when "poll"
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course.polls_count
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when "attachment"
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get_attachment_count(course, 0)
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when "board"
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course_board = course.course_board
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course_board.present? ? course_board.messages.size : 0
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when "course_group"
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course.course_groups_count
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when "announcement"
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course.informs.count
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when "online_learning"
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course.shixuns.count
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when "video"
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course.course_videos.count + course.live_links.count
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end
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end
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# 当前用户可见的课堂作业，type指定作业类型， category_id指定二级目录
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def visible_homework course, user, type, category_id=0
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if user.teacher_of_course?(course)
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homeworks = course.homework_commons.where("homework_type = #{type} and course_second_category_id = #{category_id}")
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elsif user.member_of_course?(course)
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member = course.course_members.find_by(user_id: user.id, role: 4)
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if member.try(:course_group_id).to_i == 0
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homeworks = course.homework_commons.where("homework_commons.homework_type = #{type} and publish_time <= '#{Time.now}'
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and unified_setting = 1 and course_second_category_id = #{category_id}")
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else
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not_homework_ids = course.homework_group_settings.where("course_group_id = #{member.try(:course_group_id)} and
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(publish_time > '#{Time.now}' or publish_time is null)").pluck(:homework_common_id)
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# not_homework_ids = not_homework_ids.blank? ? "(-1)" : "(" + not_homework_ids.map(&:homework_common_id).join(",") + ")"
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homeworks = course.homework_commons.where.not(id: not_homework_ids).where("homework_commons.homework_type = #{type} and publish_time <= '#{Time.now}'
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and course_second_category_id = #{category_id}")
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end
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else
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homeworks = course.homework_commons.where("homework_type = #{type} and publish_time <= '#{Time.now}' and unified_setting = 1
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and course_second_category_id = #{category_id}")
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end
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homeworks
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end
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# 当前用户可见的课堂试卷
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def visible_exercise course, user
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if user.teacher_of_course?(course)
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exercises = course.exercises
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elsif user.member_of_course?(course)
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member = course.course_members.find_by(user_id: user.id, role: 4)
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if member.try(:course_group_id).to_i == 0
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exercises = course.exercises.where("publish_time <= '#{Time.now}' and unified_setting = 1")
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else
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not_exercise_ids = course.exercise_group_settings.where("course_group_id = #{member.try(:course_group_id)} and
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(publish_time > '#{Time.now}' or publish_time is null)").pluck(:exercise_id)
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exercises = course.exercises.where.not(id: not_exercise_ids).where("publish_time <= '#{Time.now}'")
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end
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else
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exercises = course.exercises.where("publish_time <= '#{Time.now}' and unified_setting = 1")
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end
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exercises
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end
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# 当前用户可见的课堂问卷
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def visible_poll course, user
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if user.teacher_of_course?(course)
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polls = course.polls
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elsif user.member_of_course?(course)
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member = course.course_members.find_by(user_id: user.id, role: 4)
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if member.try(:course_group_id).to_i == 0
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polls = course.polls.where("publish_time <= '#{Time.now}' and unified_setting = 1")
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else
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not_poll_ids = course.poll_group_settings.where("course_group_id = #{member.try(:course_group_id)} and
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(publish_time > '#{Time.now}' or publish_time is null)").pluck(:poll_id)
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polls = course.polls.where.not(id: not_poll_ids).where("publish_time <= '#{Time.now}'")
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end
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else
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polls = course.polls.where("publish_time <= '#{Time.now}' and unified_setting = 1")
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end
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polls
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end
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# 当前用户可见的课堂资源，category_id指定资源的目录
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def visible_attachment course, user, category_id=0
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result = []
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course.attachments.where(course_second_category_id: category_id).each do |attachment|
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if attachment.unified_setting
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if attachment.is_public == 1 && attachment.is_publish == 1 || user == attachment.author || user.teacher_of_course?(course) || (user.member_of_course?(course) && attachment.is_publish == 1)
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result << attachment
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end
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else
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if attachment.is_public == 1 && attachment.is_publish == 1 && !user.member_of_course?(course) || user == attachment.author || user.teacher_of_course?(course)
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result << attachment
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elsif user.member_of_course?(course) && attachment.is_publish == 1
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member = course.course_members.find_by(user_id: user.id, role: 4)
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if member.try(:course_group_id).to_i == 0 && attachment.unified_setting
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result << attachment
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elsif attachment.attachment_group_settings.where("course_group_id = #{member.try(:course_group_id)} and publish_time > '#{Time.now}'").count == 0
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result << attachment
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end
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end
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end
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end
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result
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end
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# 获取课堂的资源数
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def get_attachment_count(course, category_id)
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category_id.to_i == 0 ? course.attachments.size : course.attachments.where(course_second_category_id: category_id).size
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end
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# 获取课堂的作业数
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def get_homework_commons_count(course, type, category_id)
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category_id == 0 ? HomeworkCommon.where(course_id: course.id, homework_type: type).size :
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HomeworkCommon.where(course_id: course.id, homework_type: type, course_second_category_id: category_id).size
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end
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# 获取课堂的任务数(作业数＋试卷数＋问卷数)
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def get_tasks_count(course)
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course.homework_commons_count + course.exercises_count + course.polls_count
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end
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# 当前用户可见的毕设任务
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def visible_graduation_task course, user
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if user.teacher_of_course?(course)
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tasks = course.graduation_tasks
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else
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tasks = course.graduation_tasks.where("publish_time <= '#{Time.now}'")
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end
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tasks
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end
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# 分班情况
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def course_group_info course, user_id
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course_group_ids = course.group_course_power(user_id)
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course_groups =
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if course_group_ids.present?
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course.course_groups.where(id: course_group_ids).includes(:course_members)
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else
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course.course_groups.includes(:course_members)
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end
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group_info = []
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if !course_groups.blank?
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course_groups.each do |group|
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group_info << {course_group_id: group.id, group_group_name: group.name, count: group.course_members_count}
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end
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none_group_count = course.students.where(course_group_id: 0).size
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group_info << {course_group_id: 0, group_group_name: "未分班", count: none_group_count} if none_group_count > 0 && !course_group_ids.present?
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end
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return group_info
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end
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def left_group_info course
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group_info = []
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if course.course_groups_count > 0
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none_group_count = course.students.where(course_group_id: 0).size
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group_info << {category_id: 0, category_name: "未分班", position: course.course_groups.pluck(:position).max.to_i + 1,
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category_count: none_group_count, category_type: false,
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second_category_url: "/courses/#{@course.id}/course_groups/0"}
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course.course_groups.each do |course_group|
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group_info << {category_id: course_group.id, category_name: course_group.name, position: course_group.position,
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category_count: course_group.course_members_count, category_type: false,
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second_category_url: "/courses/#{@course.id}/course_groups/#{course_group.id}"}
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end
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end
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group_info
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end
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def last_subject_shixun course, myshixuns
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myshixun = myshixuns.sort{|x,y| y[:updated_at] <=> x[:updated_at] }.first
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return "" unless myshixun
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stage_shixun = course.course_stage_shixuns.where(shixun_id: myshixun.shixun_id).take
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progress = stage_shixun&.course_stage&.position.to_s + "-" + stage_shixun&.position.to_s + " " + myshixun.shixun&.name
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end
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end
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