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Diff for /loncom/lonnet/perl/lonnet.pm between versions 1.83 and 1.84

version 1.83, 2000/12/29 19:28:19 version 1.84, 2000/12/29 21:52:19
Line 1300  sub modifystudent { Line 1300  sub modifystudent {
     return &assignrole($udom,$uname,$uurl,'st',$end,$start);      return &assignrole($udom,$uname,$uurl,'st',$end,$start);
 }  }
   
   # ------------------------------------------------- Write to course preferences
   
   sub writecoursepref {
       my ($courseid,%prefs)=@_;
       $courseid=~s/^\///;
       $courseid=~s/\_/\//g;
       my ($cdomain,$cnum)=split(/\//,$courseid);
       my $chome=homeserver($cnum,$cdomain);
       if (($chome eq '') || ($chome eq 'no_host')) { 
    return 'error: no such course';
       }
       my $cstring='';
       map {
    $cstring.=escape($_).'='.escape($prefs{$_}).'&';
       } keys %prefs;
       $cstring=~s/\&$//;
       return reply('put:'.$cdomain.':'.$cnum.':environment:'.$cstring,$chome);
   }
   
   # ---------------------------------------------------------- Make/modify course
   
   sub createcourse {
       my ($udom,$description,$url)=@_;
       $url=&declutter($url);
       my $cid='';
       unless ($cid=$ENV{'request.course.id'}) {
    return 'not_in_class';
       }
       unless (&allowed('ccc',$ENV{'user.domain'})) {
           return 'refused';
       }
       unless ($udom eq $ENV{'user.domain'}) {
           return 'refused';
       }
   # ------------------------------------------------------------------- Create ID
      my $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)).
          unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
   # ----------------------------------------------- Make sure that does not exist
      my $uhome=&homeserver($uname,$udom);
      unless (($uhome eq '') || ($uhome eq 'no_host')) {
          $uname=substr($$.time,0,5).unpack("H8",pack("I32",time)).
           unpack("H2",pack("I32",int(rand(255)))).$perlvar{'lonHostID'};
          $uhome=&homeserver($uname,$udom);       
          unless (($uhome eq '') || ($uhome eq 'no_host')) {
              return 'error: unable to generate unique course-ID';
          } 
      }
   # ------------------------------------------------------------- Make the course
       my $reply=&reply('encrypt:makeuser:'.$udom.':'.$uname.':none::',
                         $ENV{'user.home'});
       unless ($reply eq 'ok') { return 'error: '.$reply; }
       my $uhome=&homeserver($uname,$udom);
       if (($uhome eq '') || ($uhome eq 'no_host')) { 
    return 'error: no such course';
       }
       &writecoursepref($udom.'_'.$uname,
                        ('description' => $description,
                         'url'         => $url));
       return '/'.$udom.'/'.$uname;
   }
   
 # ---------------------------------------------------------- Assign Custom Role  # ---------------------------------------------------------- Assign Custom Role
   
 sub assigncustomrole {  sub assigncustomrole {
Removed from v.1.83  
changed lines
  Added in v.1.84

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