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class GraduationTask < ApplicationRecord
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# task_type 1: 普通作业 2：分组作业
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# status 0：未发布 1：已发布 2：评阅中 3：交叉评阅
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# comment_status 1：随机分配 2：指导老师手动分配 3：答辩组内老师互评 4：答辩组间老师互评
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belongs_to :course, counter_cache: true
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belongs_to :user
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has_many :journals_for_messages, as: :jour, dependent: :destroy
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has_many :praise_tread, as: :praise_tread_object, dependent: :destroy
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has_many :course_acts, class_name: 'CourseActivity', as: :course_act, dependent: :destroy
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has_many :tidings, as: :container, dependent: :destroy
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has_many :attachments, as: :container, dependent: :destroy
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has_many :graduation_task_group_assignations, dependent: :destroy
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has_many :graduation_work_comment_assignations, dependent: :destroy
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has_many :graduation_works, -> { where("is_delete = 0") }
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has_many :score_graduation_works, -> { where("is_delete = 0 and work_status != 0").order("work_score desc") }, class_name: "GraduationWork"
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has_many :graduation_work_scores
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belongs_to :gtask_bank, optional: true
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validates :name, length: { maximum: 60 }
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validates :description, length: { maximum: 5000 }
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# 未提交
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scope :unfinished, -> {where(status: 0)}
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# 按时提交
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scope :finished, -> {where(status: 1)}
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# 延迟提交
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scope :delay_finished, -> {where(status: 2)}
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#已发布的
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scope :task_published, -> {where("publish_time <= ?",Time.now)}
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def user_work user_id
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work = self.graduation_works.find_by(user_id: user_id)
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end
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def task_type_name
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task_type == 1 ? "普通作业" : "分组作业"
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end
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# 是否有学生提交过作品
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def student_commit_works
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graduation_works.has_committed.count > 0
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end
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# 是否有学生关联了项目
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def student_relate_projects
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task_type == 2 && graduation_works.where("project_id != 0").count > 0
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end
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# 是否发布
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def published?
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self.publish_time.present? && self.publish_time < Time.now
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end
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# 答辩组互评分配
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def task_assign_group group_id
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graduation_task_group_assignations.find_by(graduation_group_id: group_id)
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end
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def create_work_list
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str = ""
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self.course.students.each do |student|
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str += "," if str != ""
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str += "(#{self.id}, #{student.user_id}, #{self.course_id}, '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}', '#{Time.now.strftime('%Y-%m-%d %H:%M:%S')}')"
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end
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if str != ""
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sql = "insert into graduation_works (graduation_task_id, user_id, course_id, created_at, updated_at) values" + str
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ActiveRecord::Base.connection.execute sql
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end
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end
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#课程动态公共表记录
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def act_as_course_activity
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if self.course_acts.size == 0
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self.course_acts << CourseActivity.new(user_id: self.user_id, course_id: self.course_id)
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end
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end
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# 是否提交了作品
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def has_commit_work user_id
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work = self.graduation_works.find_by(user_id: user_id)
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work.present? && work.work_status != 0
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end
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# 任务已评数 user_id: 对应老师的id
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def comment_count(user_id)
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course = self.course
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# 如果有分班，则取此老师对应分班的已评数，没有分班，则取所有的
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course_group_ids = course.group_course_power(user_id)
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sql =
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if course_group_ids.count > 0
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%Q{
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SELECT count(distinct graduation_work_id) cnt FROM graduation_work_scores WHERE reviewer_role IN(1,2) AND graduation_work_id
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IN(SELECT id FROM graduation_works WHERE graduation_task_id = #{self.id} AND user_id
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IN(SELECT user_id FROM course_members WHERE role = 4 AND course_group_id
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IN(SELECT course_group_id FROM teacher_course_groups WHERE id IN(#{course_group_ids.join(",")}))
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)
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)
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}
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else
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%Q{
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SELECT COUNT(distinct graduation_work_id) cnt FROM graduation_works gw
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JOIN graduation_work_scores gwc ON gw.graduation_task_id = gwc.graduation_task_id
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WHERE reviewer_role IN(1,2) AND gwc.graduation_task_id = #{self.id}
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}
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end
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GraduationWorkScore.find_by_sql(sql).first.try(:cnt).to_i
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end
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# 任务未评数
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def uncomment_count(user_id)
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user_ids = course.teacher_group_user_ids user_id
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self.graduation_works.where(user_id: user_ids).count - self.comment_count(user_id)
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end
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# 任务未提交数
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def unfinished_count user_id
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course_group_ids = course.group_course_power(user_id)
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if course_group_ids.count > 0
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sql = %Q{
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SELECT count(*) cnt FROM graduation_works gw WHERE work_status = 0 AND gw.graduation_task_id = #{self.id} AND gw.user_id
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IN( SELECT user_id FROM course_members WHERE role = 4 AND course_group_id
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IN( SELECT course_group_id FROM teacher_course_groups WHERE id not IN(#{course_group_ids.join(",")}) )
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)
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}
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GraduationWork.find_by_sql(sql).first.try(:cnt)
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else
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self.graduation_works.where(work_status: 0).count
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end
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end
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# 任务按时提交数
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def finished_count(user_id)
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course = self.course
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course_group_ids = course.group_course_power(user_id)
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if course_group_ids.count > 0
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sql = %Q{
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SELECT count(*) cnt FROM graduation_works gw WHERE work_status = 1 AND gw.graduation_task_id = #{self.id} AND gw.user_id
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IN( SELECT user_id FROM course_members WHERE role = 4 AND course_group_id
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IN( SELECT course_group_id FROM teacher_course_groups WHERE id IN(#{course_group_ids.join(",")}) )
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)
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}
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GraduationWork.find_by_sql(sql).first.try(:cnt)
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else
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self.graduation_works.where(work_status: 1).count
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end
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end
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def delay_finished_count(user_id)
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course = self.course
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course_group_ids = course.group_course_power(user_id)
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if course_group_ids.count > 0
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sql = %Q{
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SELECT count(*) cnt FROM graduation_works gw WHERE work_status = 2 AND gw.graduation_task_id = #{self.id} AND gw.user_id
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IN( SELECT user_id FROM course_members WHERE role = 4 AND course_group_id
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IN( SELECT course_group_id FROM teacher_course_groups WHERE id IN(#{course_group_ids.join(",")}) )
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)
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}
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GraduationWork.find_by_sql(sql).first.try(:cnt)
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else
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self.graduation_works.where(work_status: 2).count
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end
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end
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# 是否具有分组
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def have_grouping?
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self.task_type == 2
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end
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end
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