# The LearningOnline Network with CAPA
# Handler to drop and add students in courses
#
# (Handler to set parameters for assessments
#
# (Handler to resolve ambiguous file locations
#
# (TeX Content Handler
#
# YEAR=2000
# 05/29/00,05/30,10/11 Gerd Kortemeyer)
#
# 10/11,10/12,10/16 Gerd Kortemeyer)
#
# 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
# 12/08,12/12 Gerd Kortemeyer)
#
# 12/26,12/27,12/28,
# YEAR=2001
# 01/01/01,01/15,02/10,02/13,02/14,02/22 Gerd Kortemeyer
# 8/6 Scott Harrison
package Apache::londropadd;
use strict;
use Apache::lonnet;
use Apache::Constants qw(:common :http REDIRECT);
# ================================================================ Print header
sub header {
my $r=shift;
$r->print(<<ENDHEAD);
<html>
<head>
<title>LON-CAPA Student Drop/Add</title>
</head>
<body bgcolor="#FFFFFF">
<img align=right src=/adm/lonIcons/lonlogos.gif>
<h1>Drop/Add Students</h1>
<form method="post" enctype="multipart/form-data"
action="/adm/dropadd" name="studentform">
<h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
ENDHEAD
}
# ========================================================= Store uploaded file
# needs $ENV{'form.upfile'}
# return $datatoken to be put into hidden field
sub upfile_store {
my $r=shift;
$ENV{'form.upfile'}=~s/\r/\n/gs;
$ENV{'form.upfile'}=~s/\f/\n/gs;
$ENV{'form.upfile'}=~s/\n+/\n/gs;
$ENV{'form.upfile'}=~s/\n+$//gs;
my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
'_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$;
{
my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
'/tmp/'.$datatoken.'.tmp');
print $fh $ENV{'form.upfile'};
}
return $datatoken;
}
# ================================================= Load uploaded file from tmp
# needs $ENV{'form.datatoken'}
# sets $ENV{'form.upfile'}
sub load_tmp_file {
my $r=shift;
my @studentdata=();
{
my $fh;
if ($fh=Apache::File->new($r->dir_config('lonDaemons').
'/tmp/'.$ENV{'form.datatoken'}.'.tmp')) {
@studentdata=<$fh>;
}
}
$ENV{'form.upfile'}=join('',@studentdata);
}
# ========================================= Separate uploaded file into records
# returns array of records
sub upfile_record_sep {
if ($ENV{'form.upfiletype'} eq 'xml') {
} else {
return split(/\n/,$ENV{'form.upfile'});
}
}
# =============================================== Separate a record into fields
sub record_sep {
my $record=shift;
my %components=();
if ($ENV{'form.upfiletype'} eq 'xml') {
} elsif ($ENV{'form.upfiletype'} eq 'space') {
my $i=0;
map {
my $field=$_;
$field=~s/^(\"|\')//;
$field=~s/(\"|\')$//;
$components{$i}=$field;
$i++;
} split(/\s+/,$record);
} elsif ($ENV{'form.upfiletype'} eq 'tab') {
my $i=0;
map {
my $field=$_;
$field=~s/^(\"|\')//;
$field=~s/(\"|\')$//;
$components{$i}=$field;
$i++;
} split(/\t+/,$record);
} else {
my @allfields=split(/\,/,$record);
my $i=0;
my $j;
for ($j=0;$j<=$#allfields;$j++) {
my $field=$allfields[$j];
if ($field=~/^\s*(\"|\')/) {
my $delimiter=$1;
while (($field!~/$delimiter$/) && ($j<$#allfields)) {
$j++;
$field.=','.$allfields[$j];
}
$field=~s/^\s*$delimiter//;
$field=~s/$delimiter\s*$//;
}
$components{$i}=$field;
$i++;
}
}
return %components;
}
# =========== Drop student from all sections of a course, except optional $csec
sub dropstudent {
my ($udom,$unam,$courseid,$csec)=@_;
$courseid=~s/\_/\//g;
$courseid=~s/^(\w)/\/$1/;
map {
my ($key,$value)=split(/\=/,$_);
$key=&Apache::lonnet::unescape($key);
if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
my $section=$1;
if ($key eq $courseid.'_st') { $section=''; }
if ($section ne $csec) {
my ($dummy,$end,$start)=split(/\_/,
&Apache::lonnet::unescape($value));
my $now=time;
my $notactive=0;
if ($start) {
if ($now<$start) { $notactive=1; }
}
if ($end) {
if ($now>$end) { $notactive=1; }
}
unless ($notactive) {
my $reply=&Apache::lonnet::modifystudent(
$udom,$unam,'','','',
'','','','',$section,time);
}
}
}
} split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles',
&Apache::lonnet::homeserver($unam,$udom)));
}
# ============================================================== Menu Phase One
sub menu_phase_one {
my $r=shift;
$r->print(<<ENDUPFORM);
<input type=hidden name=phase value=two>
<hr>
<h3>Upload a courselist</h3>
<input type=file name=upfile size=50>
<br>Type: <select name=upfiletype>
<option value=csv>CSV (comma separated values, spreadsheet)</option>
<option value=space>Space separated</option>
<option value=tab>Tabulator separated</option>
<option value=xml>HTML/XML</option>
</select>
<p><input type=submit name=fileupload value="Upload Courselist">
<hr>
<h3>Enroll a single student</h3>
<p><input type=submit name=enroll value="Enroll Student">
<hr>
<h3>Drop students</h3>
<p><input type=submit name=drop value="Selection List">
ENDUPFORM
}
# ======================================================= Menu Phase Two Upload
sub menu_phase_two_upload {
my $r=shift;
my $datatoken=&upfile_store($r);
my @records=&upfile_record_sep();
my $total=$#records;
my $distotal=$total+1;
$ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
my $krbdefdom=$1;
$krbdefdom=~tr/a-z/A-Z/;
my $today=time;
my $halfyear=$today+15552000;
my $defdom=$r->dir_config('lonDefDomain');
$r->print(<<ENDPICK);
<input type=hidden name=phase value=three>
<input type=hidden name=datatoken value="$datatoken">
<input type=hidden name=upfiletype value=$ENV{'form.upfiletype'}>
<hr>
<h3>Identify fields</h3>
Total number of records found in file: $distotal
<script>
function verify(vf) {
var founduname=0;
var foundpwd=0;
var foundname=0;
var foundid=0;
var foundsec=0;
var foundatype=0;
var tw;
var message='';
for (i=0;i<=vf.nfields.value;i++) {
tw=eval('vf.f'+i+'.selectedIndex');
if (tw==1) { founduname=1; }
if ((tw>=2) && (tw<=6)) { foundname=1; }
if (tw==7) { foundid=1; }
if (tw==8) { foundsec=1; }
if (tw==9) { foundpwd=1; }
}
if (founduname==0) {
alert('You need to specify at least the username field');
return;
}
if (vf.login[0].checked) {
foundatype=1;
if (vf.krbdom.value=='') {
alert('You need to specify the Kerberos domain');
return;
}
}
if (vf.login[1].checked) {
foundatype=1;
if ((vf.intpwd.value=='') && (foundpwd==0)) {
alert('You need to specify the initial password');
return;
}
}
if (foundatype==0) {
alert('You need to set the login type');
return;
}
if (foundname==0) { message='No name fields specified. '; }
if (foundid==0) { message+='No ID or student number field specified. '; }
if (foundsec==0) { message+='No section or group field specified. '; }
if (vf.startdate.value=='') {
message+='No starting date set. ';
}
if (vf.enddate.value=='') {
message+='No ending date set. ';
}
if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
alert('Ending date is before starting date');
return;
}
}
if (message!='') {
message+='Continue enrollment?';
if (confirm(message)) {
pclose();
vf.submit();
}
} else {
pclose();
vf.submit();
}
}
function flip(vf,tf) {
var nw=eval('vf.f'+tf+'.selectedIndex');
var i;
for (i=0;i<=vf.nfields.value;i++) {
if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
eval('vf.f'+i+'.selectedIndex=0;')
}
}
if (nw==2) {
for (i=0;i<=vf.nfields.value;i++) {
if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
(eval('vf.f'+i+'.selectedIndex')<=6)) {
eval('vf.f'+i+'.selectedIndex=0;')
}
}
}
if ((nw>=3) && (nw<=6)) {
for (i=0;i<=vf.nfields.value;i++) {
if (eval('vf.f'+i+'.selectedIndex')==2) {
eval('vf.f'+i+'.selectedIndex=0;')
}
}
}
if (nw==9) {
vf.login[1].checked=true;
vf.intpwd.value='';
vf.krbdom.value='';
}
}
function clearpwd(vf) {
var i;
for (i=0;i<=vf.nfields.value;i++) {
if (eval('vf.f'+i+'.selectedIndex')==9) {
eval('vf.f'+i+'.selectedIndex=0;')
}
}
}
function setkrb(vf) {
if (vf.krbdom.value!='') {
clearpwd(vf);
vf.login[0].checked=true;
vf.krbdom.value=vf.krbdom.value.toUpperCase();
vf.intpwd.value='';
}
}
function setint(vf) {
if (vf.intpwd.value!='') {
clearpwd(vf);
vf.login[1].checked=true;
vf.krbdom.value='';
}
}
function clickkrb(vf) {
vf.krbdom.value='$krbdefdom';
clearpwd(vf);
vf.intpwd.value='';
}
function clickint(vf) {
vf.krbdom.value='';
}
function pclose() {
parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
"height=350,width=350,scrollbars=no,menubar=no");
parmwin.close();
}
function pjump(type,dis,value,marker,ret,call) {
parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
+"&value="+escape(value)+"&marker="+escape(marker)
+"&return="+escape(ret)
+"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
"height=350,width=350,scrollbars=no,menubar=no");
}
function dateset() {
if (document.studentform.pres_marker.value=='end') {
document.studentform.enddate.value=
document.studentform.pres_value.value;
}
if (document.studentform.pres_marker.value=='start') {
document.studentform.startdate.value=
document.studentform.pres_value.value;
}
pclose();
}
</script>
<table border=2><tr><th>Field</th><th>Samples</th></tr>
ENDPICK
my %sone; my %stwo; my %sthree;
my $i=0;
if ($total>=0) {
%sone=&record_sep($records[0]);
if ($total>=1) {
%stwo=&record_sep($records[1]);
}
if ($total>=2) {
%sthree=&record_sep($records[2]);
}
map {
$r->print('<tr><td><select name=f'.$i.
' onChange="flip(this.form,'.$i.');">');
map {
my ($value,$display)=split(/\:/,$_);
$r->print('<option value='.$value.'>'.$display.
'</option>');
} ('none: ','username:Username',
'names:Last Name, First Names',
'fname:First Name','mname:Middle Names/Initials',
'lname:Last Name','gen:Generation',
'id:ID/Student Number','sec:Group/Section',
'ipwd:Initial Password');
$r->print('</select></td><td>');
if (defined($sone{$_})) {
$r->print($sone{$_}."</br>\n");
}
if (defined($stwo{$_})) {
$r->print($stwo{$_}."</br>\n");
}
if (defined($sthree{$_})) {
$r->print($sthree{$_}."</br>\n");
}
$r->print('</td></tr>');
$i++;
} sort keys %sone;
$i--;
}
my $keyfields=join(',',sort keys %sone);
$r->print(<<ENDPICK);
</table>
<input type=hidden name=nfields value=$i>
<input type=hidden name=keyfields value="$keyfields">
<h3>Login Type</h3>
Note: this will not take effect if the user already exists<p>
<input type=radio name=login value=krb onClick="clickkrb(this.form);">
Kerberos authenticated with domain
<input type=text size=10 name=krbdom onChange="setkrb(this.form);"><p>
<input type=radio name=login value=int onClick="clickint(this.form);">
Internally authenticated (with initial password
<input type=text size=10 name=intpwd onChange="setint(this.form);">)
<h3>LON-CAPA Domain for Students</h3>
LON-CAPA domain: <input type=text size=10 value=$defdom name=lcdomain><p>
<h3>Starting and Ending Dates</h3>
<input type="hidden" value='' name="pres_value">
<input type="hidden" value='' name="pres_type">
<input type="hidden" value='' name="pres_marker">
<input type="hidden" value='$today' name=startdate>
<input type="hidden" value='$halfyear' name=enddate>
<a
href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
>Set Starting Date</a><p>
<a
href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
>Set Ending Date</a><p>
<h3>Full Update</h3>
<input type=checkbox name=fullup value=yes> Full update
(also print list of users not enrolled anymore)<p>
<input type=button onClick="verify(this.form)" value="Update Courselist"><br>
Note: for large courses, this operation might be time consuming.
ENDPICK
}
# ======================================================= Enroll single student
sub enroll_single_student {
my $r=shift;
$r->print('<h3>Enrolling Student</h3>');
if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
($ENV{'form.cdomain'})&&($ENV{'form.cdomain'}!~/\W/)) {
my $amode='';
my $genpwd='';
if ($ENV{'form.login'} eq 'krb') {
$amode='krb4';
$genpwd=$ENV{'form.krbdom'};
} elsif ($ENV{'form.login'} eq 'int') {
$amode='internal';
$genpwd=$ENV{'form.intpwd'};
}
if (($amode) && ($genpwd)) {
&dropstudent($ENV{'form.cdomain'},$ENV{'form.cuname'},
$ENV{'request.course.id'},$ENV{'form.csec'});
$r->print(&Apache::lonnet::modifystudent(
$ENV{'form.cdomain'},$ENV{'form.cuname'},
$ENV{'form.cstid'},$amode,$genpwd,
$ENV{'form.cfirst'},$ENV{'form.cmiddle'},
$ENV{'form.clast'},$ENV{'form.cgen'},
$ENV{'form.csec'},$ENV{'form.enddate'},
$ENV{'form.startdate'}));
} else {
$r->print('Invalid login mode or password');
}
} else {
$r->print('Invalid username or domain');
}
}
# ======================================================= Menu Phase Two Enroll
sub menu_phase_two_enroll {
my $r=shift;
$ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
my $krbdefdom=$1;
$krbdefdom=~tr/a-z/A-Z/;
my $today=time;
my $halfyear=$today+15552000;
my $defdom=$r->dir_config('lonDefDomain');
$r->print(<<ENDSENROLL);
<script>
function verify(vf) {
var founduname=0;
var foundpwd=0;
var foundname=0;
var foundid=0;
var foundsec=0;
var foundatype=0;
var tw;
var message='';
if ((typeof(vf.cuname.value)!="undefined") && (vf.cuname.value!='') &&
(typeof(vf.cdomain.value)!="undefined") && (vf.cdomain.value!='')) {
founduname=1;
}
if ((typeof(vf.cfirst.value)!="undefined") && (vf.cfirst.value!='') &&
(typeof(vf.clast.value)!="undefined") && (vf.clast.value!='')) {
foundname=1;
}
if ((typeof(vf.csec.value)!="undefined") && (vf.csec.value!='')) {
foundsec=1;
}
if ((typeof(vf.cstid.value)!="undefined") && (vf.cstid.value!='')) {
foundid=1;
}
if (founduname==0) {
alert('You need to specify at least the username and domain fields');
return;
}
if (vf.login[0].checked) {
foundatype=1;
if (vf.krbdom.value=='') {
alert('You need to specify the Kerberos domain');
return;
}
}
if (vf.login[1].checked) {
foundatype=1;
if ((vf.intpwd.value=='') && (foundpwd==0)) {
alert('You need to specify the initial password');
return;
}
}
if (foundatype==0) {
alert('You need to set the login type');
return;
}
if (foundname==0) { message='No first and last name specified. '; }
if (foundid==0) { message+='No ID or student number field specified. '; }
if (foundsec==0) { message+='No section or group field specified. '; }
if (vf.startdate.value=='') {
message+='No starting date set. ';
}
if (vf.enddate.value=='') {
message+='No ending date set. ';
}
if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
if (Math.round(vf.enddate.value)<Math.round(vf.startdate.value)) {
alert('Ending date is before starting date');
return;
}
}
if (message!='') {
message+='Continue enrollment?';
if (confirm(message)) {
pclose();
vf.submit();
}
} else {
pclose();
vf.submit();
}
}
function setkrb(vf) {
if (vf.krbdom.value!='') {
vf.login[0].checked=true;
vf.krbdom.value=vf.krbdom.value.toUpperCase();
vf.intpwd.value='';
}
}
function setint(vf) {
if (vf.intpwd.value!='') {
vf.login[1].checked=true;
vf.krbdom.value='';
}
}
function clickkrb(vf) {
vf.krbdom.value='$krbdefdom';
vf.intpwd.value='';
}
function clickint(vf) {
vf.krbdom.value='';
}
function pclose() {
parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
"height=350,width=350,scrollbars=no,menubar=no");
parmwin.close();
}
function pjump(type,dis,value,marker,ret,call) {
parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
+"&value="+escape(value)+"&marker="+escape(marker)
+"&return="+escape(ret)
+"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
"height=350,width=350,scrollbars=no,menubar=no");
}
function dateset() {
if (document.studentform.pres_marker.value=='end') {
document.studentform.enddate.value=
document.studentform.pres_value.value;
}
if (document.studentform.pres_marker.value=='start') {
document.studentform.startdate.value=
document.studentform.pres_value.value;
}
pclose();
}
</script>
<h3>Personal Data</h3>
First Name: <input type=text name=cfirst size=15><br>
Middle Name: <input type=text name=cmiddle size=15><br>
Last Name: <input type=text name=clast size=15><br>
Generation: <input type=text name=cgen size=5><p>
ID/Student Number: <input type=text name=cstid size=10><p>
Group/Section: <input type=text name=csec size=5><p>
<h3>Login Data</h3>
Username: <input type=text name=cuname size=15><p>
Domain: <input type=text size=10 value=$defdom name=cdomain><p>
Note: login settings below will not take effect if the user already exists<p>
<input type=radio name=login value=krb onClick="clickkrb(this.form);">
Kerberos authenticated with domain
<input type=text size=10 name=krbdom onChange="setkrb(this.form);"><p>
<input type=radio name=login value=int onClick="clickint(this.form);">
Internally authenticated (with initial password
<input type=text size=10 name=intpwd onChange="setint(this.form);">)
<h3>Starting and Ending Dates</h3>
<input type="hidden" value='' name="pres_value">
<input type="hidden" value='' name="pres_type">
<input type="hidden" value='' name="pres_marker">
<input type="hidden" value='$today' name=startdate>
<input type="hidden" value='$halfyear' name=enddate>
<a
href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
>Set Starting Date</a><p>
<a
href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
>Set Ending Date</a><p>
<input type=button onClick="verify(this.form)" value="Enroll as student"><br>
<input type=hidden name=phase value=five>
ENDSENROLL
}
# ========================================================= Menu Phase Two Drop
sub menu_phase_two_drop {
my $r=shift;
my $cid=$ENV{'request.course.id'};
my $classlst=&Apache::lonnet::reply
('dump:'.$ENV{'course.'.$cid.'.domain'}.':'.
$ENV{'course.'.$cid.'.num'}.':classlist',
$ENV{'course.'.$cid.'.home'});
my %currentlist=();
my $now=time;
unless ($classlst=~/^error\:/) {
map {
my ($name,$value)=split(/\=/,$_);
my ($end,$start)=split(/\:/,
&Apache::lonnet::unescape($value));
my $active=1;
if (($end) && ($now>$end)) { $active=0; }
if ($active) {
$currentlist{&Apache::lonnet::unescape($name)}=1;
}
} split(/\&/,$classlst);
# ----------------------------------------------------------- Print out choices
&show_drop_list($r,%currentlist);
} else {
$r->print(
'<font color=red><h3>Could not access classlist: '.$classlst.
'</h3></font>');
}
}
# =================================================== Show student list to drop
sub show_drop_list {
my ($r,%currentlist)=@_;
my $cid=$ENV{'request.course.id'};
$r->print('<input type=hidden name=phase value=four>');
$r->print('<table border=2>');
map {
my ($sname,$sdom)=split(/\:/,$_);
my %reply=&Apache::lonnet::idrget($sdom,$sname);
my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
my @reply=split(/[\&\=]/,&Apache::lonnet::reply(
'get:'.$sdom.':'.$sname.
':environment:firstname&middlename&lastname&generation',
&Apache::lonnet::homeserver($sname,$sdom)));
$r->print(
'<tr><td><input type=checkbox name="drop:'.$_.'"></td><td>'.
$sname.'</td><td>'.$sdom.'</td><td>'.
$reply{$sname}.'</td><td>'.
&Apache::lonnet::unescape($reply[2]).' '.
&Apache::lonnet::unescape($reply[3]).', '.
&Apache::lonnet::unescape($reply[0]).' '.
&Apache::lonnet::unescape($reply[1]).
'</td><td>'.
$ssec."</td></tr>\n");
} sort keys %currentlist;
$r->print('</table><br>');
$r->print('<input type=submit value="Drop Students">');
}
# ================================================= Drop/Add from uploaded file
sub upfile_drop_add {
my $r=shift;
&load_tmp_file($r);
my @studentdata=&upfile_record_sep();
my @keyfields=split(/\,/,$ENV{'form.keyfields'});
my $cid=$ENV{'request.course.id'};
my %fields=();
for (my $i=0;$i<=$ENV{'form.nfields'};$i++) {
$fields{$ENV{'form.f'.$i}}=$keyfields[$i];
}
my $startdate=$ENV{'form.startdate'};
my $enddate=$ENV{'form.enddate'};
if ($startdate=~/\D/) { $startdate=''; }
if ($enddate=~/\D/) { $enddate=''; }
my $domain=$ENV{'form.lcdomain'};
my $amode='';
my $genpwd='';
if ($ENV{'form.login'} eq 'krb') {
$amode='krb4';
$genpwd=$ENV{'form.krbdom'};
} elsif ($ENV{'form.login'} eq 'int') {
$amode='internal';
if ((defined($ENV{'form.intpwd'})) && ($ENV{'form.intpwd'})) {
$genpwd=$ENV{'form.intpwd'};
}
}
unless (($domain=~/\W/) || ($amode eq '')) {
$r->print('<h3>Enrolling Students</h3>');
my $count=0;
my $flushc=0;
my %student=();
# ----------------------------------------------------------- Get new classlist
# --------------------------------------------------------- Enroll new students
map {
my %entries=&record_sep($_);
unless (($entries{$fields{'username'}} eq '') ||
(!defined($entries{$fields{'username'}}))) {
my $fname=''; my $mname=''; my $lname=''; my $gen='';
if (defined($fields{'names'})) {
($lname,$fname,$mname)=
($entries{$fields{'names'}}=~/([^\,]+)\,\s*(\w+)\s*(.*)$/);
} else {
if (defined($fields{'fname'})) {
$fname=$entries{$fields{'fname'}};
}
if (defined($fields{'mname'})) {
$mname=$entries{$fields{'mname'}};
}
if (defined($fields{'lname'})) {
$lname=$entries{$fields{'lname'}};
}
if (defined($fields{'gen'})) {
$gen=$entries{$fields{'gen'}};
}
}
if ($entries{$fields{'username'}}=~/\W/) {
$r->print('<p><b>Unacceptable username: '.
$entries{$fields{'username'}}.' for user '.
$fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
} else {
my $sec='';
my $username=$entries{$fields{'username'}};
if (defined($fields{'sec'})) {
if (defined($entries{$fields{'sec'}})) {
$sec=$entries{$fields{'sec'}};
}
}
my $id='';
if (defined($fields{'id'})) {
if (defined($entries{$fields{'id'}})) {
$id=$entries{$fields{'id'}};
}
$id=~tr/A-Z/a-z/;
}
my $password='';
if ($genpwd) {
$password=$genpwd;
} else {
if (defined($fields{'ipwd'})) {
if ($entries{$fields{'ipwd'}}) {
$password=$entries{$fields{'ipwd'}};
}
}
}
if ($password) {
&dropstudent($domain,$username,$cid,$sec);
my $reply=&Apache::lonnet::modifystudent(
$domain,$username,$id,$amode,$password,
$fname,$mname,$lname,$gen,$sec,$enddate,$startdate);
unless ($reply eq 'ok') {
$r->print(
"<p><b>Error enrolling $username: $reply</b><p>");
} else {
$count++; $flushc++;
$student{$username}=1;
$r->print('. ');
if ($flushc>15) {
$r->rflush;
$flushc=0;
}
}
} else {
$r->print(
"<p><b>No password for $username</b><p>");
}
}
}
} @studentdata;
$r->print('<p>Processed Students: '.$count);
# --------------------------------------------------------------- Drop students
if ($ENV{'form.fullup'} eq 'yes') {
$r->print('<h3>Dropping Students</h3>');
# ------------------------------------------------------- Get current classlist
my $classlst=&Apache::lonnet::reply
('dump:'.$ENV{'course.'.$cid.'.domain'}.':'.
$ENV{'course.'.$cid.'.num'}.':classlist',
$ENV{'course.'.$cid.'.home'});
my %currentlist=();
my $now=time;
unless ($classlst=~/^error\:/) {
map {
my ($name,$value)=split(/\=/,$_);
my ($end,$start)=split(/\:/,
&Apache::lonnet::unescape($value));
my $active=1;
if (($end) && ($now>$end)) { $active=0; }
if ($active) {
$currentlist{&Apache::lonnet::unescape($name)}=1;
}
} split(/\&/,$classlst);
# ------------------------------------------------ Now got up-to-date classlist
map {
my %entries=&record_sep($_);
unless (($entries{$fields{'username'}} eq '') ||
(!defined($entries{$fields{'username'}}))) {
delete($currentlist{
$entries{$fields{'username'}}.':'.
$domain});
}
} @studentdata;
# ----------------------------------------------------------- Print out choices
&show_drop_list($r,%currentlist);
} else {
$r->print(
'<font color=red><h3>Could not access classlist: '.$classlst.
'</h3></font>');
}
}
# ------------------------------------------------------------------------ Done
}
}
# ================================================================== Phase four
sub drop_student_list {
my $r=shift;
my $count=0;
map {
if ($_=~/^form\.drop\:/) {
my ($dummy,$uname,$udom)=split(/\:/,$_);
&dropstudent($udom,$uname,$ENV{'request.course.id'});
$r->print('Dropped '.$uname.' at '.$udom.'<br>');
$count++;
}
} keys %ENV;
$r->print('<p><b>Dropped '.$count.' student(s).</b>');
$r->print('<p>Re-enrollment will re-activate data.');
}
# ================================================================ Main Handler
sub handler {
my $r=shift;
if ($r->header_only) {
$r->content_type('text/html');
$r->send_http_header;
return OK;
}
# ----------------------------------------------------- Needs to be in a course
if (($ENV{'request.course.fn'}) &&
(&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {
# ------------------------------------------------------------------ Start page
$r->content_type('text/html');
$r->send_http_header;
&header($r);
# --------------------------------------------------- Phase one, initial screen
unless ($ENV{'form.phase'}) {
&menu_phase_one($r);
}
# ------------------------------------------------------------------- Phase two
if ($ENV{'form.phase'} eq 'two') {
if ($ENV{'form.fileupload'}) {
&menu_phase_two_upload($r);
} elsif ($ENV{'form.enroll'}) {
&menu_phase_two_enroll($r);
} elsif ($ENV{'form.drop'}) {
&menu_phase_two_drop($r);
}
}
# ----------------------------------------------------------------- Phase three
if ($ENV{'form.phase'} eq 'three') {
if ($ENV{'form.datatoken'}) {
&upfile_drop_add($r);
}
}
# ------------------------------------------------------------------ Phase four
if ($ENV{'form.phase'} eq 'four') {
&drop_student_list($r);
}
# ------------------------------------------------------------------ Phase four
if ($ENV{'form.phase'} eq 'five') {
&enroll_single_student($r);
}
# ------------------------------------------------------------------------- End
$r->print('</form></body></html>');
} else {
# ----------------------------- Not in a course, or not allowed to modify parms
$ENV{'user.error.msg'}=
"/adm/dropadd:cst:0:0:Cannot drop or add students";
return HTTP_NOT_ACCEPTABLE;
}
return OK;
}
1;
__END__
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