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# 所有的方法请按首字母的顺序依次列出
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module ApplicationHelper
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include Educoder::I18n
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ONE_MINUTE = 60 * 1000
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ONE_HOUR = 60 * ONE_MINUTE
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ONE_DAY = 24 * ONE_HOUR
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ONE_MONTH = 30 * ONE_DAY
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ONE_YEAR = 12 * ONE_MONTH
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# 全局参数配置
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def edu_setting name
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EduSetting.find_by_name(name).try(:value)
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end
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def graduation_navigation graduation
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graduation.class.to_s == "GraduationTopic" ? "毕设选题" : "毕设任务"
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end
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def graduation_navigation_id course
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course.course_modules.find_by(module_type: "graduation").try(:id)
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end
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# 是否关注
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# from_user_id为被关注的用户
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def follow?(from_user_id, user_id)
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Watcher.where(watchable_type: 'Principal', watchable_id: from_user_id, user_id: user_id).exists?
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end
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# git用户
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def git_username(email)
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User.find_by_mail(email)
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end
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# 不同的类型扩展不同的目录
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def relative_path
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"avatars"
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end
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def storage_path
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File.join(Rails.root, "public", "images", relative_path)
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end
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# 推荐实训
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def recommend_shixun(shixun)
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tag_repertoire_id = shixun.tag_repertoires.first.present? ? shixun.tag_repertoires.first.try(:id) : 0
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shixun_id = ShixunTagRepertoire.where("tag_repertoire_id = #{tag_repertoire_id} and
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shixun_id != #{shixun.id}").pluck(:shixun_id)
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shixun_id = shixun_id.blank? ? -1 : shixun_id.join(",")
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Shixun.select([:id, :name, :user_id, :challenges_count, :myshixuns_count, :trainee, :identifier]).where("id
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in(#{shixun_id}) or homepage_show =1").unhidden.order("myshixuns_count desc, homepage_show asc").limit(3)
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end
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# 相关推荐
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def relation_path(shixun)
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shixun.subjects.where(hidden: 0).limit(2)
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end
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# shixun开启挑战对应的行为名及url
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def task_operation_url current_myshixun, shixun
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url = "/shixuns/#{shixun.identifier}/shixun_exec"
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name =
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if current_myshixun.blank?
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shixun.status == 0 ? "模拟实战" : "开启挑战"
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elsif current_myshixun.status == 1
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"查看实战"
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else
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"继续挑战"
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end
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[name, url]
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end
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# 获取当前时间
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def time_from_now(time)
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if String === time
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time = Time.parse(time)
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end
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lastUpdateTime = time.to_i*1000
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currentTime = Time.now.to_i*1000
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timePassed = currentTime - lastUpdateTime
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timeIntoFormat = 0
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updateAtValue = ""
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if timePassed < 0
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updateAtValue = "刚刚"
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elsif timePassed < ONE_MINUTE
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updateAtValue = "1分钟前"
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elsif timePassed < ONE_HOUR
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timeIntoFormat = timePassed / ONE_MINUTE
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updateAtValue = timeIntoFormat.to_s + "分钟前"
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elsif (timePassed < ONE_DAY)
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timeIntoFormat = timePassed / ONE_HOUR
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updateAtValue = timeIntoFormat.to_s + "小时前"
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elsif (timePassed < ONE_MONTH)
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timeIntoFormat = timePassed / ONE_DAY
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updateAtValue = timeIntoFormat.to_s + "天前"
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elsif (timePassed < ONE_YEAR)
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timeIntoFormat = timePassed / ONE_MONTH
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updateAtValue = timeIntoFormat.to_s + "个月前"
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else
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timeIntoFormat = timePassed / ONE_YEAR
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updateAtValue = timeIntoFormat.to_s + "年前"
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end
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updateAtValue
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end
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# 计算到结束还有多长时间 **天**小时**分
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def how_much_time(time)
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if time.nil?
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''
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else
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result = ((time - Time.now.to_i).to_i / (24*60*60)).to_s + " 天 "
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result += (((time - Time.now.to_i).to_i % (24*60*60)) / (60*60)).to_s + " 小时 "
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result + ((((time - Time.now.to_i).to_i % (24*60*60)) % (60*60)) / 60).to_s + " 分 "
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end
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end
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def format_time(time)
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time.present? ? time.strftime("%Y-%m-%d %H:%M") : ''
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end
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# 用户图像url，如果不存在的话，source为匿名用户，即默认使用匿名用户图像
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def url_to_avatar(source)
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if File.exist?(disk_filename(source.class, source.id))
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if source.class.to_s == 'User'
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File.join(relative_path, ["#{source.class}", "#{source.id}"])
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else
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File.join("/images/avatars", ["#{source.class}", "#{source.id}"])
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end
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elsif source.class.to_s == 'User'
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str = source.user_extension.try(:gender).to_i == 0 ? "b" : "g"
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File.join(relative_path, "#{source.class}", str)
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elsif source.class.to_s == 'Subject'
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File.join("images","educoder", "index", "subject", "subject#{rand(17)}.jpg")
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elsif source.class.to_s == 'Shixun'
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File.join("images","educoder", "index", "shixun", "shixun#{rand(23)}.jpg")
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end
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end
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def disk_filename(source_type,source_id,image_file=nil)
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File.join(storage_path, "#{source_type}", "#{source_id}")
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end
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def shixun_url_to_avatar(shixun)
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if File.exist?(disk_filename(shixun.class, shixun.id))
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File.join("/images/#{relative_path}", "#{shixun.class}", "#{shixun.id}")
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else
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File.join("educoder", "index", "shixun", "shixun#{rand(23)}.jpg")
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end
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end
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# 选用实训的学校情况
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def school_user_detail shixun
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school_ids = shixun.myshixuns.joins("join user_extensions ue on myshixuns.user_id=ue.user_id").pluck(:school_id).uniq
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school_names = School.where(id: school_ids[0..1]).pluck(:name)
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school_size = school_ids.size
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str = school_size > 0 ? "#{school_names.join("、")}等 #{school_size}所" : "0所"
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end
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# 普通/分组 作业作品状态数组
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def student_work_status homework, user_id, course, work
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status = []
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homework_setting = homework.homework_group_setting user_id
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work = work || StudentWork.create(homework_common_id: homework.id, user_id: user_id)
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late_time = homework.late_time || course.end_date
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if course.is_end && work && work.work_status > 0
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status << "查看作品"
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elsif !course.is_end
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if homework_setting.publish_time && homework_setting.publish_time < Time.now
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# 作业未截止时
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if homework_setting.end_time > Time.now
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if homework.homework_type == "group" && homework.homework_detail_group.base_on_project
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if work.project_id.nil? || work.project_id == 0
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status << "创建项目"
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status << "关联项目"
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elsif work.work_status == 0
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status << "取消关联"
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status << "提交作品"
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else
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status << "修改作品"
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end
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else
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if work.work_status == 0
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status << "提交作品"
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else
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status << "修改作品"
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end
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end
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# 补交阶段
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elsif homework.allow_late && (late_time.nil? || late_time > Time.now)
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if homework.homework_type == "group" && homework.homework_detail_group.base_on_project
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if work.project_id.nil? || work.project_id == 0
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status << "创建项目"
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status << "关联项目"
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elsif work.work_status == 0
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status << "取消关联"
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status << "补交作品"
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else
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status << "补交附件"
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status << "查看作品"
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end
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else
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if work.work_status == 0
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status << "补交作品"
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else
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status << "补交附件"
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status << "查看作品"
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end
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end
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# 匿评阶段
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elsif work.work_status != 0
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if homework.homework_detail_manual.comment_status == 3
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work_ids = homework.student_works.has_committed.pluck(:id)
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if StudentWorksEvaluationDistribution.where(student_work_id: work_ids, user_id: user_id).size > 0
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status << "匿评作品"
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end
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end
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status << "查看作品"
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end
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end
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end
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end
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def commit_des_status work, homework
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status = []
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homework_setting = homework.homework_group_setting work.user_id
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# 作业已发布且作业未截止（补交未截止）且提交了作品才能提交或修改总结
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if homework_setting.publish_time && homework_setting.publish_time < Time.now && work.work_status > 0 &&
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((homework_setting.end_time && homework_setting.end_time > Time.now) ||
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(homework.allow_late && homework.late_time && homework.late_time > Time.now))
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work.description.present? ? status << "修改总结" : status << "提交总结"
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end
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end
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def download_url attachment
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attachment_path(attachment)
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end
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# 耗时：天、小时、分、秒
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# 小于1分钟则不显示
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def game_spend_time time
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day = time / 86400
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hour = time % (24*60*60) / (60*60)
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min = time % (24*60*60) % (60*60) / 60
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sec = time % (24*60*60) % (60*60) % 60
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if day < 1
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if hour < 1
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if min < 1
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if sec < 1
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time = "--"
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else
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time = "#{sec}秒"
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end
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else
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time = "#{min}分钟 #{sec}秒"
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end
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else
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time = "#{hour}小时 #{min}分钟 #{sec}秒"
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end
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else
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time = "#{day}天 #{hour}小时 #{min}分钟 #{sec}秒"
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end
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return time
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end
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def absolute_path(file_path)
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File.join(edu_setting('attachment_folder'), file_path)
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end
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def local_path(file)
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File.join(file.disk_directory, file.disk_filename)
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end
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def update_downloads(file)
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file.update_attributes(:downloads => file.downloads + 1)
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end
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# 项目信息,
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def project_info work, current_user, course_identity
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project = work.project
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if project
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if project.status == 9
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{id: -1, name: "#{project.name}(已删除)", title: "该项目已删除", author: project.creator, member_count: project.project_members.count}
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else
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project_score = project.project_score
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if project.is_public || current_user.manager_of_project?(project) || course_identity < Course::STUDENT
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{id: project.id, name: project.name, author: project.creator, member_count: project.project_members.count,
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all_score: project_score.all_score, code_score: project_score.code_score, issue_score: project_score.issue_score,
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attachment_score: project_score.attachment_score, message_score: project_score.message_score}
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else
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{id: -1, name: "#{project.name}", title: "该项目是私有的", author: project.creator, member_count: project.project_members.count,
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all_score: project_score.all_score, code_score: project_score.code_score, issue_score: project_score.issue_score,
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attachment_score: project_score.attachment_score, message_score: project_score.message_score}
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end
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end
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else
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{id: -1, name: "--", title: "--"}
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end
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end
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def message_content(content)
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content = (strip_html content).strip
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content = content.gsub(/\s+/, " ")
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if content.gsub(" ", "") == ""
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content = "[非文本消息]"
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end
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content
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end
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def strip_export_title(content)
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con_ = ""
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if content.length > 0
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con_ = strip_tags(content)
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con_ = con_.gsub(/\r\n/,'').gsub(/ */, '').strip
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end
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con_
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end
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def pdf_load_sources(*arg)
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arr = arg.map do |path|
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content_tag(:script) do
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File.open(Rails.root.join('public', path)).read.to_s.html_safe
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end
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end
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raw arr.join('')
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end
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end
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