--- loncom/enrollment/Enrollment.pm 2003/12/05 19:07:19 1.4 +++ loncom/enrollment/Enrollment.pm 2003/12/09 20:06:37 1.7 @@ -1,9 +1,33 @@ +# Automated Enrollment manager +# $Id: Enrollment.pm,v 1.7 2003/12/09 20:06:37 albertel Exp $ +# +# Copyright Michigan State University Board of Trustees +# +# This file is part of the LearningOnline Network with CAPA (LON-CAPA). +# +# LON-CAPA is free software; you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation; either version 2 of the License, or +# (at your option) any later version. +# +# LON-CAPA is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with LON-CAPA; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA +# +# /home/httpd/html/adm/gpl.txt +# +# http://www.lon-capa.org/ +# package LONCAPA::Enrollment; use Apache::loncoursedata; use Apache::lonnet; use HTML::Entities; -use XML::Simple; use LONCAPA::Configuration; use strict; @@ -109,12 +133,12 @@ sub update_LC { push @okusers, $uname; } elsif (@sections > 1) { - $logmsg = "$uname appears in classlists for multiple sections of $crs -"; + $$logmsg = "$uname appears in classlists for the more than one section of this course, i.e. in sections: "; foreach (@sections) { - $logmsg .= " $_,"; + $$logmsg .= " $_,"; } - chop($logmsg); - $logmsg .= " No automated enrollment action taken for this student.\n"; + chop($$logmsg); + $$logmsg .= ". Because of this ambiguity, no enrollment action was taken for this student.".$linefeed; } } else { @{$enrollinfo{$uname}} = @{$allenrolled{$uname}[0]}; @@ -134,212 +158,203 @@ sub update_LC { @{$unameFromINid{$stuID}} = $uname; } } +# Explicitly allow access to creation/modification of students if called as an automated process. + if ($context eq 'automated') { + $ENV{'allowed.cst'}='F'; + } + # Compare IDs with existing LON-CAPA enrollment for this class foreach my $uname (@okusers) { - my %uidhash=&Apache::lonnet::idrget($dom,$uname); - my @stuinfo = @{$enrollinfo{$uname}}; - if (grep/^$uname$/,@localstudents) { + unless ($uname eq '') { + my %uidhash=&Apache::lonnet::idrget($dom,$uname); + my @stuinfo = @{$enrollinfo{$uname}}; + if (grep/^$uname$/,@localstudents) { # Check for studentID changes - if ( ($uidhash{$uname}) && ($uidhash{$uname} !~ /error\:/) ) { - unless ( ($uidhash{$uname}) eq ($stuinfo[ $place{studentID} ]) ) { - $logmsg .= "Change in ID for $uname in class: $crs. StudentID in LON-CAPA system is $uidhash{$uname}, StudentID in institutional data is $stuinfo[ $place{studentID} ]\n"; + if ( ($uidhash{$uname}) && ($uidhash{$uname} !~ /error\:/) ) { + unless ( ($uidhash{$uname}) eq ($stuinfo[ $place{studentID} ]) ) { + $$logmsg .= "Change in ID for $uname. StudentID in LON-CAPA system is $uidhash{$uname}; StudentID in institutional data is $stuinfo[ $place{studentID} ]".$linefeed; + } } - } # Check for section changes - unless ($$currlist{$uname}[$sec] eq $stuinfo[ $place{groupID} ]) { - $logmsg .= "Found a section difference for $uname - ".$$currlist{$uname}[$sec] ."versus ".$stuinfo[ $place{groupID} ]." in class $crs\n"; - if ( ($$currlist{$uname}[$type] eq "auto") && ($adds == 1) ) { - my $modify_section_result = &Apache::lonnet::modifystudent($dom,$uname,'','','',undef,undef,undef,undef,$$currlist{$uname}[$sec],time,undef,undef,undef,undef,'auto',$cid); - if ($modify_section_result !~ /^ok/) { - $logmsg .= "An error occured during the attempt to expire the $uname from the old section $$currlist{$uname}[$sec] - $modify_section_result\n"; - } - -# Assign the role of student in the new section - my $uurl='/'.$cid; - $uurl=~s/\_/\//g; - if ($stuinfo[ $place{groupID} ]) { - $uurl.='/'.$stuinfo[ $place{groupID} ]; - } - my $newend = $stuinfo[ $place{enddate} ]; - my $newstart = $stuinfo[ $place{startdate} ]; - if ($newend eq '') { - $newend = $enddate; - } - if ($newstart eq '') { - $newstart = $startdate; - } - #explicitly allow acces to creating students - $ENV{'allowed.cst'}='F'; - &Apache::lonnet::assignrole($dom,$uname,$uurl,"st",$newend,$newstart); - delete($ENV{'allowed.cst'}); + unless ($$currlist{$uname}[$sec] eq $stuinfo[ $place{groupID} ]) { + if ( ($$currlist{$uname}[$type] eq "auto") && ($adds == 1) ) { + my $modify_section_result = &Apache::lonnet::modify_student_enrollment($dom,$uname,undef,undef,undef,undef,undef,$stuinfo[ $place{groupID} ],$$currlist{$uname}[$cend],$$currlist{$uname}[$cstart],'auto',$cid); + if ($modify_section_result =~ /^ok/) { + $$logmsg .= "Section for $uname switched from old section: ".$$currlist{$uname}[$sec] ." to new section: ".$stuinfo[ $place{groupID} ].".".$linefeed; + } else { + $$logmsg .= "Error when attempting section change for $uname from old section ".$$currlist{$uname}[$sec]." to new section: ".$stuinfo[ $place{groupID} ]." -error: $modify_section_result".$linefeed; + } + } } - } - } - elsif ($uname ne '') { + } else { # Check for changed usernames by checking studentIDs - if ( ($stuinfo[ $place{studentID} ] ne '') && (grep/^$stuinfo[ $place{studentID} ]$/,@LCids) ) { - if (grep/^$$currlist{$uname}[ $place{'studentID'} ]$/,@allINids) { - foreach my $match ( @{ $unameFromLCid{ $stuinfo[ $place{studentID} ] } } ) { - if (grep/^$match$/,@okusers) { - $logmsg .= "A possible change in username has been detected for a student enrolled in $crs. The existing LON-CAPA classlist contains user: $uname and student ID: ".$$currlist{$uname}[ $place{studentID} ].". This username has been dropped from the institutional classlist, but the same student ID is used for user: $match who still appears in the institutional classlist. You may need to move the student data files for user: $uname to $match\n"; + if ( ($stuinfo[ $place{studentID} ] ne '') && (grep/^$stuinfo[ $place{studentID} ]$/,@LCids) ) { + if (grep/^$$currlist{$uname}[ $place{'studentID'} ]$/,@allINids) { + foreach my $match ( @{ $unameFromLCid{ $stuinfo[ $place{studentID} ] } } ) { + if (grep/^$match$/,@okusers) { + $$logmsg .= "A possible change in username has been detected for a student enrolled in this course. The existing LON-CAPA classlist contains user: $uname and student ID: ".$$currlist{$uname}[ $place{studentID} ].". This username has been dropped from the institutional classlist, but the same student ID is used for user: $match who still appears in the institutional classlist. You may need to contact your Domain Coordinator to request a move of the student data files for user: $uname to $match".$linefeed; + } } } - } - } elsif ($adds == 1) { + } elsif ($adds == 1) { # Add student to LON-CAPA classlist - my $auth = $stuinfo[ $place{'authtype'} ]; - my $authparam = $stuinfo[ $place{'autharg'} ]; - my $first = $stuinfo[ $place{'firstname'} ]; - my $middle = $stuinfo[ $place{'middlename'} ]; - my $last = $stuinfo[ $place{'lastname'} ]; - my $gene = $stuinfo[ $place{'generation'} ]; - my $usec = $stuinfo[ $place{'groupID'} ]; - my $end = $stuinfo[ $place{'enddate'} ]; - my $start = $stuinfo[ $place{'startdate'} ]; - my $emailaddr = $stuinfo[ $place{'email'} ]; - my $pid = $stuinfo[ $place{'studentID'} ]; + my $auth = $stuinfo[ $place{'authtype'} ]; + my $authparam = $stuinfo[ $place{'autharg'} ]; + my $first = $stuinfo[ $place{'firstname'} ]; + my $middle = $stuinfo[ $place{'middlename'} ]; + my $last = $stuinfo[ $place{'lastname'} ]; + my $gene = $stuinfo[ $place{'generation'} ]; + my $usec = $stuinfo[ $place{'groupID'} ]; + my $end = $stuinfo[ $place{'enddate'} ]; + my $start = $stuinfo[ $place{'startdate'} ]; + my $emailaddr = $stuinfo[ $place{'email'} ]; + my $pid = $stuinfo[ $place{'studentID'} ]; # remove non alphanumeric values from section - $usec =~ s/\W//g; + $usec =~ s/\W//g; - unless ($emailaddr =~/^[^\@]+\@[^\@]+$/) { $emailaddr =''; } - my $emailenc = &HTML::Entities::encode($emailaddr); + unless ($emailaddr =~/^[^\@]+\@[^\@]+$/) { $emailaddr =''; } + my $emailenc = &HTML::Entities::encode($emailaddr); # Use course defaults where entry is absent - if ($auth eq '') { - $auth = $authtype; - } - if ($authparam eq '') { - $authparam = $autharg; - } - if ($auth =~ m/^krb/) { - $auth .= ":".$authparam; - } - if ($end eq '') { - $end = $enddate; - } - if ($start eq '') { - $start = $startdate; - } + if ( ($auth eq '') || (!defined($auth)) ) { + $auth = $authtype; + } + if ( ($authparam eq '') || (!defined($authparam)) ) { + $authparam = $autharg; + } + if ($auth =~ m/^krb/) { + $auth .= ":".$authparam; + } + if ( ($end eq '') || (!defined($end)) ) { + $end = $enddate; + } + if ( ($start eq '') || (!defined($start)) ) { + $start = $startdate; + } # Clean up whitespace - foreach (\$dom,\$uname,\$pid,\$first,\$middle,\$last,\$gene,\$usec) { - $$_ =~ s/(\s+$|^\s+)//g; - } + foreach (\$dom,\$uname,\$pid,\$first,\$middle,\$last,\$gene,\$usec) { + $$_ =~ s/(\s+$|^\s+)//g; + } # Check for existing account in this LON-CAPA domain for this username - my $uhome=&Apache::lonnet::homeserver($uname,$dom); - if ($uhome eq 'no_host') { # User does not exist - my $create_passwd = 0; - my $authchk = ''; - unless ($authparam eq '') { $authchk = 'ok'; }; + my $uhome=&Apache::lonnet::homeserver($uname,$dom); + if ($uhome eq 'no_host') { # User does not exist + my $create_passwd = 0; + my $authchk = ''; + unless ($authparam eq '') { $authchk = 'ok'; }; # If no account exists and passwords should be generated - if ($authtype eq "int") { - if ($authparam eq '') { - ($authparam,$create_passwd,$authchk) = &create_password(); - } - } elsif ($authtype eq "local") { - if ($authparam eq '') { - ($authparam,$create_passwd,$authchk) = &create_password(); - } - } elsif ($authtype =~ m/^krb/) { - if ($authparam eq '') { - $logmsg .= "No Kerberos domain available for the new user - $uname in course $crs - no enrollment occurred.\n"; + if ($authtype eq "int") { + if ($authparam eq '') { + ($authparam,$create_passwd,$authchk) = &create_password(); + } + } elsif ($authtype eq "local") { + if ($authparam eq '') { + ($authparam,$create_passwd,$authchk) = &create_password(); + } + } elsif ($authtype =~ m/^krb/) { + if ($authparam eq '') { + $$logmsg .= "No Kerberos domain was provided for the new user - $uname, so the new student was not enrolled in the course.".$linefeed; + $authchk = 'invalid'; + } + } else { $authchk = 'invalid'; + $$logmsg .= "An invalid authentication type was provided for the new user - $uname, so the student was not enrolled in the course.".$linefeed; } - } else { - $authchk = 'invalid'; - $logmsg .= "Invalid authentication type for new user - $uname in course $crs - no enrollment occurred.\n"; - } - unless ($authchk eq 'ok') { + if ($authchk eq 'ok') { # Now create user. - my $reply=&Apache::lonnet::modifystudent($dom,$uname,$pid,$auth,$authparam,$first,$middle,$last,$gene,$usec,$end,$start,'',undef,$emailaddr,'auto',$cid); - if ($reply eq 'ok') { - $enrollcount ++; - $addresult .= "$first $last ($pid) - $uname enrolled in section/group $usec.".$linefeed; - $logmsg .= "New user $uname added successfully. "; - unless ($emailenc eq '') { - my %emailHash; - $emailHash{'critnotification'} = $emailenc; - $emailHash{'notification'} = $emailenc; - my $putresult = &Apache::lonnet::put('environment',\%emailHash,$dom,$uname); - } - if ($create_passwd) { + my $reply=&Apache::lonnet::modifystudent($dom,$uname,$pid,$auth,$authparam,$first,$middle,$last,$gene,$usec,$end,$start,'',undef,$emailaddr,'auto',$cid); + if ($reply eq 'ok') { + $enrollcount ++; + $addresult .= "$first $last ($pid) - $uname enrolled in section/group $usec.".$linefeed; + if ($context eq 'automated') { + $$logmsg .= "New $dom user $uname added successfully.".$linefeed; + } + unless ($emailenc eq '') { + my %emailHash; + $emailHash{'critnotification'} = $emailenc; + $emailHash{'notification'} = $emailenc; + my $putresult = &Apache::lonnet::put('environment',\%emailHash,$dom,$uname); + } + if ($create_passwd) { # Send e-mail with inital password to new user at $emailaddr - $logmsg .= "Initial password - - sent to $emailaddr\n"; + $$logmsg .= "Initial password - - sent to ".$emailaddr.$linefeed; + } else { + $$logmsg .= $linefeed; + } } else { - $logmsg .= "\n"; + $$logmsg .= "An error occurred adding new user $uname - ".$reply.$linefeed; } - } else { - $logmsg .= "An error occurred adding new user $uname - $reply\n"; } - } - } else { + } else { # Get the user's information and authentication - my %userenv = &Apache::lonnet::get('environment',['firstname','middlename','lastname','generation','id','critnotification','notification'],$dom,$uname); - my ($tmp) = keys(%userenv); - if ($tmp =~ /^(con_lost|error)/i) { - %userenv = (); - } + my %userenv = &Apache::lonnet::get('environment',['firstname','middlename','lastname','generation','id','critnotification','notification'],$dom,$uname); + my ($tmp) = keys(%userenv); + if ($tmp =~ /^(con_lost|error)/i) { + %userenv = (); + } # Get the user's e-mail address - if ($userenv{critnotification} =~ m/%40/) { - unless ($emailenc eq $userenv{critnotification}) { - $logmsg .= "Current critical notification e-mail - ".$userenv{critnotification}." for $uname is different to e-mail address in Institutional classlist - $emailenc\n"; - } - } - if ($userenv{notification} =~ m/%40/) { - unless ($emailenc eq $userenv{critnotification}) { - $logmsg .= "Current standard notification e-mail - ".$userenv{notification}." for $uname is different to e-mail address in Institutional classlist - $emailenc\n"; - } - } - my $krbdefdom = ''; - my $currentauth=&Apache::lonnet::queryauthenticate($uname,$dom); - if ($currentauth=~/^krb(4|5):/) { - $currentauth=~/^krb(4|5):(.*)/; - $krbdefdom=$1; - } - if ($currentauth=~/^krb(4|5):/ || - $currentauth=~/^unix:/ || - $currentauth=~/^internal:/ || - $currentauth=~/^localauth:/) { + if ($userenv{critnotification} =~ m/%40/) { + unless ($emailenc eq $userenv{critnotification}) { + $$logmsg .= "Current critical notification e-mail - ".$userenv{critnotification}." for $uname is different to e-mail address in Institutional classlist - ".$emailenc.$linefeed; + } + } + if ($userenv{notification} =~ m/%40/) { + unless ($emailenc eq $userenv{critnotification}) { + $$logmsg .= "Current standard notification e-mail - ".$userenv{notification}." for $uname is different to e-mail address in institutional classlist - ".$emailenc.$linefeed; + } + } + my $krbdefdom = ''; + my $currentauth=&Apache::lonnet::queryauthenticate($uname,$dom); + if ($currentauth=~/^krb(4|5):/) { + $currentauth=~/^krb(4|5):(.*)/; + $krbdefdom=$1; + } + if ($currentauth=~/^krb(4|5):/ || + $currentauth=~/^unix:/ || + $currentauth=~/^internal:/ || + $currentauth=~/^localauth:/) { - } else { - $logmsg .= "Invalid authentication method $currentauth for $uname.\n"; - } + } else { + $$logmsg .= "Invalid authentication method $currentauth for $uname.".$linefeed; + } # Report if authentication methods are different. - if ($currentauth ne $auth ) { - $logmsg .= "Authentication mismatch for $uname - $currentauth in system, $auth for class $crs\n"; - } + if ($currentauth ne $auth ) { + $$logmsg .= "Authentication mismatch for $uname - $currentauth in system, $auth based on information in classlist or default for this course.".$linefeed; + } # Check user data - if ($first ne $userenv{'firstname'} || - $middle ne $userenv{'middlename'} || - $last ne $userenv{'lastname'} || - $gene ne $userenv{'generation'} || - $pid ne $userenv{'id'} ) { + if ($first ne $userenv{'firstname'} || + $middle ne $userenv{'middlename'} || + $last ne $userenv{'lastname'} || + $gene ne $userenv{'generation'} || + $pid ne $userenv{'id'} ) { # Make the change(s) - my %changeHash; - $changeHash{'firstname'} = $first; - $changeHash{'middlename'} = $middle; - $changeHash{'lastname'} = $last; - $changeHash{'generation'} = $gene; - $changeHash{'id'} = $pid; - my $putresult = &Apache::lonnet::put('environment',\%changeHash,$dom,$uname); - if ($putresult eq 'ok') { - $logmsg .= "User information updated for user: $uname prior to enrollment in $crs\n"; - } else { - $logmsg .= "There was a problem modifying user data for existing user - $uname, enrollment will still be attempted for user in $crs.\n"; + my %changeHash; + $changeHash{'firstname'} = $first; + $changeHash{'middlename'} = $middle; + $changeHash{'lastname'} = $last; + $changeHash{'generation'} = $gene; + $changeHash{'id'} = $pid; + my $putresult = &Apache::lonnet::put('environment',\%changeHash,$dom,$uname); + if ($putresult eq 'ok') { + $$logmsg .= "User information updated for user: $uname prior to enrollment.".$linefeed; + } else { + $$logmsg .= "There was a problem modifying user data for existing user - $uname -error: $putresult, enrollment will still be attempted.".$linefeed; + } } - } # Assign the role of student in the course. - my $classlist_reply = &Apache::lonnet::modify_student_enrollment($dom,$uname,$pid,$first,$middle,$last,$gene,$usec,$end,$start,'auto',$cid); - if ($classlist_reply eq 'ok') { - $enrollcount ++; - $addresult .= "$first $last ($pid) - $uname enrolled in section/group $usec.".$linefeed; - $logmsg .= "Existing user $uname enrolled successfully in $crs\n"; - - } else { - $logmsg .= "There was a problem updating the classlist db file for user $uname to show the new enrollment, so no enrollment occurred for this user in $crs\n"; + my $classlist_reply = &Apache::lonnet::modify_student_enrollment($dom,$uname,$pid,$first,$middle,$last,$gene,$usec,$end,$start,'auto',$cid); + if ($classlist_reply eq 'ok') { + $enrollcount ++; + $addresult .= "$first $last ($pid) - $uname enrolled in section/group $usec.".$linefeed; + if ($context eq 'automated') { + $$logmsg .= "Existing $dom user $uname enrolled successfully.".$linefeed; + } + } else { + $$logmsg .= "There was a problem updating the classlist db file for user $uname to show the new enrollment -error: $classlist_reply, so no enrollment occurred for this user.".$linefeed; + } } } } @@ -354,13 +369,13 @@ sub update_LC { # Check for changed usernames by checking studentIDs if (grep/^$$currlist{$uname}[ $stuid ]$/,@allINids) { foreach my $match (@{$unameFromINid{$$currlist{$uname}[ $stuid ]}} ) { - $logmsg .= "A possible change in username has been detected for a student enrolled in $crs. The existing LON-CAPA classlist contains user: $uname and student ID: $$currlist{$uname}[ $place{studentID} ]. This username has been dropped from the institutional classlist, but the same student ID is used for user: $match who still appears in the institutional classlist. You may need to move the student data files for user: $uname to $match\n"; + $$logmsg .= "A possible change in username has been detected for a student enrolled in this course. The existing LON-CAPA classlist contains user: $uname and student ID: $$currlist{$uname}[ $place{studentID} ]. This username has been dropped from the institutional classlist, but the same student ID is used for user: $match who still appears in the institutional classlist. You may need to move the student data files for user: $uname to $match.".$linefeed; push @saved,$uname; } } elsif (@saved == 0) { my $drop_reply = &Apache::lonnet::modifystudent($dom,$uname,'','','',undef,undef,undef,undef,$$currlist{$uname}[$sec],time,undef,undef,undef,undef,undef,$cid); if ($drop_reply !~ /^ok/) { - $logmsg .= "An error occured during the attempt to expire the $uname from the old section $$currlist{$uname}[$sec] - $drop_reply\n"; + $$logmsg .= "An error occured during the attempt to expire the $uname from the old section $$currlist{$uname}[$sec] - $drop_reply.".$linefeed; } else { $dropcount ++; my %userenv = &Apache::lonnet::get('environment',['firstname','lastname','id'],$dom,$uname); @@ -371,8 +386,14 @@ sub update_LC { } } } + +# Terminated explictly allowed access to student creation/modification + if ($context eq 'automated') { + delete($ENV{'allowed.cst'}); + } if ($enrollcount > 0) { if ($context eq "updatenow") { + $addresult = substr($addresult,0,rindex($addresult,"
  • ")); $addresult = "The following $enrollcount student(s) was/were added to this LON-CAPA course:


    "; } else { $addresult = "The following $enrollcount student(s) was/were added to this LON-CAPA course:\n\n".$addresult."\n\n"; @@ -380,6 +401,7 @@ sub update_LC { } if ($dropcount > 0) { if ($context eq "updatenow") { + $dropresult = substr($dropresult,0,rindex($dropresult,"
  • ")); $dropresult = "The following $dropcount student(s) was/were expired from this LON-CAPA course:


    "; } else { $dropresult = "The following $dropcount student(s) was/were expired from this LON-CAPA course:\n\n".$dropresult."\n\n"; @@ -401,30 +423,49 @@ sub update_LC { $dropresult .="\n"; } } - print STDERR $logmsg; - return $addresult.$dropresult; -} + my $changecount = $enrollcount + $dropcount; + return ($changecount,$addresult.$dropresult); +} sub parse_classlist { - my ($tmpdir,$dom,$crs,$class,$placeref,$groupID,$studentsref) = @_; - my $configvars = &LONCAPA::Configuration::read_conf(); - my $xmlfile = $tmpdir."/tmp/".$dom."_".$crs."_classlist.xml"; - my $enrolled = XMLin( $xmlfile, KeyAttr => ['username'] ); - foreach my $uname ( sort keys %{$$enrolled{'student'}} ) { - @{ $$studentsref{$uname} } = (); - foreach my $key (sort keys %{$$enrolled{'student'}{$uname}} ) { - my $value = $$enrolled{'student'}{$uname}{$key}; - if (ref($value)) { - $$studentsref{$uname}[ $$placeref{$key} ] = ''; - } else { - if ($key eq 'groupID') { - $$studentsref{$uname}[ $$placeref{$key} ] = $groupID; - } else { - $$studentsref{$uname}[ $$placeref{$key} ] = $value; - } - } - } - } + my ($tmpdir,$dom,$crs,$class,$placeref,$groupID,$studentsref) = @_; + my $xmlfile = $tmpdir."/tmp/".$dom."_".$crs."_".$class."_classlist.xml"; + my $uname = ''; + my @state; + my @items = ('autharg','authtype','email','enddate','firstname','generation','lastname','middlename','startdate','studentID'); + my $p = HTML::Parser->new + ( + xml_mode => 1, + start_h => + [sub { + my ($tagname, $attr) = @_; + push @state, $tagname; + if ("@state" eq "students student") { + $uname = $attr->{username}; + } + }, "tagname, attr"], + text_h => + [sub { + my ($text) = @_; + if ("@state" eq "students student groupID") { + $$studentsref{$uname}[ $$placeref{'groupID'} ] = $groupID; + } else { + foreach my $item (@items) { + if ("@state" eq "students student $item") { + $$studentsref{$uname}[ $$placeref{$item} ] = $text; + } + } + } + }, "dtext"], + end_h => + [sub { + my ($tagname) = @_; + pop @state; + }, "tagname"], + ); + + $p->parse_file($xmlfile); + $p->eof; # if (-e "$xmlfile") { # unlink $xmlfile; # }