wiki/MoodleIntegration.md

Author: zhblue

trunk/install/moodle.sql

@@ -0,0 +1,69 @@
+DELIMITER $$
+DROP trigger IF EXISTS `jol`.`tri_moodle` $$
+create trigger tri_moodle
+after update on solution
+for each row
+begin
+   declare mark int;
+   declare total int;
+  
+   select count(1) into total from contest_problem where contest_id=new.contest_id;
+   if total>0 then
+       select sum(ac)/total*100 into mark
+          from (select max(pass_rate) ac from solution where user_id=new.user_id and contest_id=new.contest_id and problem_id>0 group by problem_id) s;
+     
+       call update_moodle(new.contest_id,new.user_id,mark);
+       
+   end if;
+end $$
+
+
+CREATE PROCEDURE `update_moodle`(IN `cid` INT, IN `user_id` VARCHAR(20), IN `mark` INT)
+top:BEGIN
+   declare as_id int;
+  declare u_id int;
+  declare nowtime int;
+  declare oldid int;
+  set nowtime=UNIX_TIMESTAMP(now());
+  set as_id=0;
+  select m.id into as_id from
+        moodle.mdl_assign m
+         where m.name = concat('[OJ]-C',cid);
+  if as_id=0 then
+    leave top;
+  end if;
+  set u_id =-1;
+  select m.id into u_id from moodle.mdl_user m where username=user_id;
+  select mag.grade into oldid from moodle.mdl_assign_grades mag
+      where assignment=as_id and userid=u_id;
+
+  set oldid=-1;
+
+  select id into oldid from moodle.mdl_assign_submission m
+      where assignment=as_id and userid=u_id;
+    if oldid =-1 then
+ 
+       insert into moodle.mdl_assign_submission
+             (assignment,userid,timecreated,timemodified,status,attemptnumber)
+       values( as_id    ,u_id  ,nowtime    ,nowtime     ,'new' ,0);
+       insert into  moodle.mdl_assign_grades(assignment,userid,timecreated,timemodified,grader,grade,attemptnumber)
+       select ma.id,mas.userid,UNIX_TIMESTAMP( NOW( ) ),UNIX_TIMESTAMP( NOW( ) ),2,mark,0
+                from  moodle.mdl_assign ma
+                inner join  moodle.mdl_assign_submission mas on
+                mas.assignment=ma.id and mas.status='new' 
+                where concat(ma.id,',',mas.userid) not in (select  concat(assignment,',',userid)  from moodle.mdl_assign_grades);
+
+   else
+
+   
+    update moodle.mdl_assign_grades
+       set grade=mark,timemodified=nowtime where
+        assignment=as_id and userid=u_id;
+
+  end if;
+
+  
+END$$
+
+
+DELIMITER ;