parent
7850795bf0
commit
c05a87ca37
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@ -700,12 +700,12 @@ class CoursesService
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latest_course_dynamics.sort! { |order, newer| newer[:time] <=> order[:time] }
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latest_course_dynamics.sort! { |order, newer| newer[:time] <=> order[:time] }
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# 课程学霸 学生总分数排名靠前的5个人
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# 课程学霸 学生总分数排名靠前的5个人
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homework_count = course.homework_commons.count
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homework_count = course.homework_commons.count
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sql = "select users.*,sum(IFNULL(0,student_works.final_score))/#{homework_count} score from student_works left outer join users on student_works.user_id = users.id" <<
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sql = "select users.*,ROUND(sum(student_works.final_score),2) score from student_works left outer join users on student_works.user_id = users.id" <<
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" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{course.id}) GROUP BY student_works.user_id ORDER BY score limit 0,4"
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" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{course.id}) GROUP BY student_works.user_id ORDER BY score desc limit 0,4"
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better_students = User.find_by_sql(sql)
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better_students = User.find_by_sql(sql)
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# 找出在课程讨论区发帖回帖数最多的
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# 找出在课程讨论区发帖回帖数最多的
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active_students = []
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active_students = []
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sql1 = " select users.*,count(author_id) active_count from messages " <<
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sql1 = " select users.*,count(author_id)*2 active_count from messages " <<
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" LEFT JOIN users on messages.author_id = users.id " <<
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" LEFT JOIN users on messages.author_id = users.id " <<
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" where messages.board_id in (select id from boards where boards.course_id = #{course.id} ) " <<
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" where messages.board_id in (select id from boards where boards.course_id = #{course.id} ) " <<
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" GROUP BY messages.author_id ORDER BY count(author_id) desc " <<
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" GROUP BY messages.author_id ORDER BY count(author_id) desc " <<
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@ -735,7 +735,7 @@ class CoursesService
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max_size = 0
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max_size = 0
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if params[:type] == 1
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if params[:type] == 1
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sql = "select users.*,sum(student_works.final_score) score from student_works left outer join users on student_works.user_id = users.id" <<
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sql = "select users.*,ROUND(sum(student_works.final_score),2) score from student_works left outer join users on student_works.user_id = users.id" <<
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" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{params[:course_id]}) GROUP BY student_works.user_id ORDER BY score desc limit #{page*10},10"
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" where homework_common_id in ( select id from homework_commons where homework_commons.course_id = #{params[:course_id]}) GROUP BY student_works.user_id ORDER BY score desc limit #{page*10},10"
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sql_count = " select count(distinct(student_works.user_id) ) " <<
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sql_count = " select count(distinct(student_works.user_id) ) " <<
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" from student_works left outer join users on student_works.user_id = users.id " <<
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" from student_works left outer join users on student_works.user_id = users.id " <<
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