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namespace :competition do
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desc "statistic gcc_course competition score"
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task :gcc_course_statistic, [:competition_id] => :environment do |_, args|
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competition = Competition.find args[:competition_id]
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custom_logger("Start Statistic Competition Score: #{competition.id}|#{competition.identifier}|#{competition.name} ~")
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custom_logger("Clear Old Competition Scores ~")
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CompetitionScore.where(competition_id: competition.id).delete_all
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CompetitionCourseRecord.where(competition_id: competition.id).delete_all
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custom_logger("Clear Old Competition Scores Completed!")
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competition.competition_teams.each do |team|
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custom_logger("Start Statistic Competition Team: #{team.id}|#{team.name} ~")
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team_user_ids = team.team_members.pluck(:user_id)
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total_score = 0
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# =========== Shixun ===========
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shixuns = Shixun.where(user_id: team_user_ids, status: 2)
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.where('shixuns.created_at > ? && shixuns.created_at <= ?', Time.parse('2018-06-01'), Time.now)
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shixuns = shixuns.joins('left join shixuns forked_shixuns on forked_shixuns.fork_from = shixuns.id and forked_shixuns.status = 2')
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shixuns = shixuns.select('shixuns.id, shixuns.identifier, shixuns.user_id, shixuns.myshixuns_count, shixuns.name, shixuns.fork_from, sum(forked_shixuns.myshixuns_count) forked_myshixun_count')
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shixuns = shixuns.group('shixuns.id').order('shixuns.myshixuns_count desc').includes(:creator)
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shixun_ids = shixuns.map(&:id)
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myshixun_count_map = get_valid_myshixun_count(shixun_ids)
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original_myshixun_count_map = myshixun_count_map.clone
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# forked shixun valid myshixun count
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forked_shixun_map = Shixun.where(status: 2, fork_from: shixun_ids).select('id, fork_from')
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forked_shixun_map = forked_shixun_map.each_with_object({}) { |sx, obj| obj[sx.id] = sx.fork_from }
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forked_myshixun_count_map = get_valid_myshixun_count(forked_shixun_map.keys)
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forked_myshixun_count_map.each { |k, v| myshixun_count_map[forked_shixun_map[k]] += v }
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course_count_map = get_valid_course_count(shixun_ids)
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forked_map = get_valid_course_count(forked_shixun_map.keys)
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forked_course_count_map = {}
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forked_map.each do |forked_id, course_count|
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forked_course_count_map[forked_shixun_map[forked_id]] ||= 0
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forked_course_count_map[forked_shixun_map[forked_id]] += course_count
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end
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custom_logger("Start Shixun Score ~")
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shixuns.each do |shixun|
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valid_course_count = course_count_map.fetch(shixun.id, 0)
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valid_student_count = original_myshixun_count_map.fetch(shixun.id, 0)
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score =
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if shixun.fork_from.blank?
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500 + 50 * valid_course_count + 10 * valid_student_count
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else
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100 + 10 * valid_course_count + 5 * valid_student_count
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end
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forked_shixun_map.each do |shixun_id, fork_from_id|
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next if fork_from_id != shixun.id
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score += 100 + 10 * forked_map.fetch(shixun_id, 0) + 5 * forked_myshixun_count_map.fetch(shixun_id, 0)
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end
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total_score += score
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attr = {
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competition_id: competition.id,
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competition_team_id: team.id,
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user_id: shixun.creator.id,
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username: shixun.creator.show_real_name,
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score: score,
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snapshot: {
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shixun: shixun.as_json(only: [:id, :name, :identifier, :fork_from])['shixun'],
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myshixuns_count: shixun.myshixuns_count.to_i,
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forked_myshixun_count: shixun['forked_myshixun_count'].to_i,
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valid_myshixun_count: myshixun_count_map.fetch(shixun.id, 0),
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}
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}
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CompetitionCourseShixunRecord.create(attr)
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end
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custom_logger("Shixun Score Completed!")
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# =========== Course ===========
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student_count_subquery = CourseMember.where('course_id = courses.id AND role = 4').select('count(*)').to_sql
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subquery = StudentWork.where('homework_common_id = hcs.id')
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.select('sum(compelete_status !=0 ) as finish, count(*) as total')
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.having('total != 0 and finish >= (total / 2)').to_sql
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course_ids = Course.where('courses.created_at > ?', Time.parse('2018-06-01'))
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.where('courses.created_at <= ?', Time.now)
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.where("(#{student_count_subquery}) >= 3")
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.where("exists(select 1 from homework_commons hcs where hcs.course_id = courses.id and hcs.publish_time is not null and hcs.publish_time < NOW() and hcs.homework_type = 4 and exists(#{subquery}))")
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.joins('join course_members on course_members.course_id = courses.id and course_members.role in (1,2,3)')
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.where(course_members: { user_id: team_user_ids }).pluck(:id)
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courses = Course.where(id: course_ids).joins(:shixun_homework_commons).where('homework_commons.publish_time < now()')
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courses = courses.select('courses.id, courses.name, courses.members_count, count(*) shixun_homework_count')
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.group('courses.id').order('shixun_homework_count desc').having('shixun_homework_count > 0')
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course_ids = courses.map(&:id)
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course_myshixun_map = Myshixun.joins(student_works: :homework_common)
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.where(homework_commons: { course_id: course_ids })
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.where('exists(select 1 from games where games.myshixun_id = myshixuns.id and games.status = 2)')
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.group('homework_commons.course_id').count
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course_shixun_count_map = get_valid_shixun_count(course_ids)
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custom_logger("Start Course Score ~")
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courses.each do |course|
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user = course.teachers.where(user_id: team_user_ids).first.user
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score = 500 + 5 * course_shixun_count_map.fetch(course.id, 0) * course_myshixun_map.fetch(course.id, 0)
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total_score += score
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attr = {
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competition_id: competition.id,
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competition_team_id: team.id,
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user_id: user.id,
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username: user.show_real_name,
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score: score,
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snapshot: {
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course: course.as_json(only: [:id, :name]),
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members_count: course.members_count.to_i,
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shixun_homework_count: course['shixun_homework_count'].to_i,
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valid_myshixun_count: course_myshixun_map.fetch(course.id, 0),
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}
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}
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CompetitionCourseCourseRecord.create(attr)
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end
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custom_logger("Course Score Completed!")
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custom_logger('Create Competition Score ~')
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CompetitionScore.create(user_id: team.user_id, competition_team_id: team.id, competition_id: competition.id, score: total_score)
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custom_logger("Statistic Competition Team: #{team.id}|#{team.name} Completed!")
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end
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end
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def custom_logger(msg)
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Rails.logger.info(msg)
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p msg
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end
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def get_valid_myshixun_count(ids)
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Myshixun.where(shixun_id: ids)
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.where('exists(select 1 from games where games.myshixun_id = myshixuns.id and games.status = 2)')
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.group('shixun_id').count
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end
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def get_valid_course_count(ids)
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percentage_sql = StudentWork.where('homework_common_id = homework_commons.id and homework_commons.publish_time is not null and homework_commons.publish_time < NOW()')
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.select('sum(compelete_status !=0 ) as finish, count(*) as total')
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.having('total != 0 and finish >= (total / 2)').to_sql
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Course.joins(shixun_homework_commons: :homework_commons_shixuns)
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.where('shixun_id in (?)', ids)
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.where("exists (#{percentage_sql})")
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.group('shixun_id').count
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end
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def get_valid_shixun_count(ids)
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percentage_sql = StudentWork.where('homework_common_id = homework_commons.id and homework_commons.publish_time is not null and homework_commons.publish_time < NOW()')
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.select('sum(compelete_status !=0 ) as finish, count(*) as total')
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.having('total != 0 and finish >= (total / 2)').to_sql
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Shixun.joins(homework_commons_shixuns: :homework_common)
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.where(homework_commons: { homework_type: 4 })
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.where('course_id in (?)', ids)
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.where("exists (#{percentage_sql})")
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.group('course_id').count
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end
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end
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