From d2aef552e6bf24a56042f851da2717384000d859 Mon Sep 17 00:00:00 2001
From: alan <547533434@qq.com>
Date: Fri, 26 Dec 2014 14:50:14 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96=E3=80=8A=E4=BD=9C=E4=B8=9A?=
=?UTF-8?q?=E8=AF=84=E5=88=86=E3=80=8B=20Signed-off-by:=20alan=20<54753343?=
=?UTF-8?q?4@qq.com>?=
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---
app/controllers/application_controller.rb | 1 +
app/controllers/courses_controller.rb | 18 ++---
app/views/courses/_member_list.html.erb | 4 +-
data/member_score.sql | 97 +++++++++++++++++++++++
4 files changed, 106 insertions(+), 14 deletions(-)
create mode 100644 data/member_score.sql
diff --git a/app/controllers/application_controller.rb b/app/controllers/application_controller.rb
index 54346c0cc..35e034603 100644
--- a/app/controllers/application_controller.rb
+++ b/app/controllers/application_controller.rb
@@ -759,6 +759,7 @@ class ApplicationController < ActionController::Base
end
end
+
#查找首页相关信息
def find_first_page
@first_page = FirstPage.find_by_page_type('project')
diff --git a/app/controllers/courses_controller.rb b/app/controllers/courses_controller.rb
index 2e28c793e..ffdd51762 100644
--- a/app/controllers/courses_controller.rb
+++ b/app/controllers/courses_controller.rb
@@ -216,7 +216,7 @@ class CoursesController < ApplicationController
@results = searchmember_by_name(student_homework_score, q)
elsif params[:ingroup]
@group = CourseGroup.find(params[:search_group_id])
- @results = @results =searchgroupmember_by_name(student_homework_score, @group, q)
+ @results =searchgroupmember_by_name(student_homework_score, @group, q)
end
@result_count = @results.count
@@ -881,17 +881,11 @@ class CoursesController < ApplicationController
end
def student_homework_score
- teachers = find_course_teachers(@course)
- homework_scores = Member.find_by_sql("SELECT id, user_id,course_id, course_group_id,created_on,IFNULL(SUM(CASE WHEN t_score <> 0 AND t_score IS NOT NULL THEN t_score ELSE s_score END),0) as score
- FROM (
- SELECT members.id as id, members.user_id AS user_id, members.course_id AS course_id, members.created_on as created_on,members.course_group_id AS course_group_id,
- (SELECT AVG(seems_rateable_rates.stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id IN (#{teachers})) AS t_score,
- (SELECT AVG(seems_rateable_rates.stars) FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id = homework_attaches.id AND rater_id NOT IN (#{teachers})) AS s_score
- FROM `homework_attaches` , members
- WHERE members.course_id = #{@course.id}
- AND members.user_id NOT IN (#{teachers}) AND homework_attaches.bid_id IN (SELECT bid_id FROM homework_for_courses WHERE course_id = #{@course.id})
- AND homework_attaches.user_id = members.user_id
- ) AS table1 GROUP BY user_id ORDER BY score DESC")
+ #teachers = find_course_teachers(@course)
+ sql = ActiveRecord::Base.connection()
+
+ homework_scores = Member.find_by_sql("call member_score(#{@course.id})")
+ sql.close()
homework_scores
end
#获取课程的老师列表
diff --git a/app/views/courses/_member_list.html.erb b/app/views/courses/_member_list.html.erb
index 9b3a0443d..860c86ba4 100644
--- a/app/views/courses/_member_list.html.erb
+++ b/app/views/courses/_member_list.html.erb
@@ -53,7 +53,7 @@
<% members.each do |member| %>
<% else %>
diff --git a/data/member_score.sql b/data/member_score.sql
new file mode 100644
index 000000000..13858ccce
--- /dev/null
+++ b/data/member_score.sql
@@ -0,0 +1,97 @@
+
+DELIMITER $$
+
+CREATE
+ /*[DEFINER = { user | CURRENT_USER }]*/
+ PROCEDURE `member_score`(IN courseid INT)
+ /*LANGUAGE SQL
+ | [NOT] DETERMINISTIC
+ | { CONTAINS SQL | NO SQL | READS SQL DATA | MODIFIES SQL DATA }
+ | SQL SECURITY { DEFINER | INVOKER }
+ | COMMENT 'string'*/
+ BEGIN
+
+ CREATE TEMPORARY TABLE IF NOT EXISTS course_teachers (
+ id INT
+
+ );
+ TRUNCATE TABLE course_teachers;
+
+ CREATE TEMPORARY TABLE IF NOT EXISTS mems (
+ id INT ,
+ user_id INT,
+ course_id INT,
+ created_on DATETIME,
+ course_group_id INT,
+ score FLOAT DEFAULT 0
+ );
+ TRUNCATE TABLE mems;
+
+ CREATE TEMPORARY TABLE IF NOT EXISTS mem_home (
+ id INT,
+ user_id INT,
+ course_id INT,
+ created_on DATETIME,
+ course_group_id INT,
+ home_id INT,
+ score FLOAT DEFAULT 0
+ );
+ TRUNCATE TABLE mem_home;
+
+ CREATE TEMPORARY TABLE IF NOT EXISTS t_scores (
+
+ home_id INT,
+ score FLOAT
+ );
+ TRUNCATE TABLE t_scores;
+
+ CREATE TEMPORARY TABLE IF NOT EXISTS s_scores (
+
+ home_id INT,
+ score FLOAT
+ );
+ TRUNCATE TABLE s_scores;
+
+ CREATE TEMPORARY TABLE IF NOT EXISTS scores (
+
+ user_id INT,
+ score FLOAT
+ );
+ TRUNCATE TABLE scores;
+
+ INSERT INTO course_teachers (SELECT members.user_id FROM members WHERE members.user_id NOT IN (SELECT student_id FROM students_for_courses WHERE course_id = courseid));
+
+ #查出所有的学生
+
+ INSERT INTO mems (id, user_id, course_id, created_on, course_group_id)
+ (SELECT members.id, members.user_id, members.course_id, members.created_on, members.course_group_id
+ FROM members WHERE course_id = courseid AND members.user_id NOT IN (SELECT id FROM course_teachers));
+
+ # 查出所有的学生列表及其作业
+ INSERT INTO mem_home (id, user_id, course_id, created_on, course_group_id,home_id)
+ (SELECT members.id, members.user_id, members.course_id, members.created_on, members.course_group_id, homework_attaches.id
+ FROM members, homework_attaches WHERE course_id = courseid
+ AND members.user_id = homework_attaches.user_id AND members.user_id NOT IN (SELECT id FROM course_teachers)
+ AND homework_attaches.bid_id IN (SELECT bid_id FROM homework_for_courses WHERE course_id = courseid ));
+
+ INSERT INTO t_scores (home_id, score) (SELECT rateable_id,AVG(seems_rateable_rates.stars)
+ FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id IN (SELECT mem_home.home_id FROM mem_home)
+ AND rater_id IN (SELECT id FROM course_teachers)
+ GROUP BY rateable_id);
+
+ INSERT INTO s_scores (home_id, score) (SELECT rateable_id,AVG(seems_rateable_rates.stars)
+ FROM seems_rateable_rates WHERE rateable_type = 'HomeworkAttach' AND rateable_id IN (SELECT mem_home.home_id FROM mem_home)
+ AND rater_id NOT IN (SELECT id FROM course_teachers)
+ GROUP BY rateable_id) ;
+
+ UPDATE mem_home, t_scores SET mem_home.score = t_scores.score WHERE mem_home.home_id = t_scores.home_id ;
+
+ UPDATE mem_home, s_scores SET mem_home.score = s_scores.score WHERE mem_home.home_id = s_scores.home_id AND mem_home.score = 0;
+
+ INSERT INTO scores (user_id, score) (SELECT user_id, SUM(score) FROM mem_home GROUP BY user_id);
+ UPDATE mems, scores SET mems.score = scores.score WHERE mems.user_id = scores.user_id;
+
+ SELECT * FROM mems ORDER BY score DESC;
+ END$$
+
+DELIMITER ;
\ No newline at end of file