--- loncom/interface/Attic/londropadd.pm 2000/12/26 16:39:28 1.1 +++ loncom/interface/Attic/londropadd.pm 2001/02/13 21:24:18 1.10 @@ -14,7 +14,8 @@ # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28, # 12/08,12/12 Gerd Kortemeyer) # -# 12/26 Gerd Kortemeyer +# 12/26,12/27,12/28, +# 01/01/01,01/15,02/10,02/13 Gerd Kortemeyer package Apache::londropadd; @@ -22,6 +23,633 @@ use strict; use Apache::lonnet; use Apache::Constants qw(:common :http REDIRECT); +# ================================================================ Print header + +sub header { + my $r=shift; + $r->print(< + +LON-CAPA Student Drop/Add + + + +

Drop/Add Students

+
+

Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}

+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(< +
+

Upload a courselist

+ +
Type: +

+

+

Enroll a single student

+

+

+

Drop a student

+

+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(< + + +

+

Identify fields

+Total number of records found in file: $distotal + + +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(''); + $i++; + } sort keys %sone; + $i--; + } + my $keyfields=join(',',sort keys %sone); + $r->print(< + + +

Login Type

+ +Kerberos authenticated with domain +

+ +Internally authenticated (with initial password +) +

LON-CAPA Domain for Students

+LON-CAPA domain:

+

Starting and Ending Dates

+ + + + + +Set Starting Date

+ +Set Ending Date

+

Full Update

+ Full update +(also dropping students)

+
+Note: for large courses, this operation might be time consuming. +ENDPICK +} + +# ======================================================= Menu Phase Two Enroll + +sub menu_phase_two_enroll { + my $r=shift; +} + +# ========================================================= Menu Phase Two Drop + +sub menu_phase_two_drop { + my $r=shift; +} + +# ================================================= Drop/Add from uploaded file + +sub upfile_drop_add { + my $r=shift; + $r->print(''); + + &load_tmp_file($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('

Enrolling Students

'); + 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('

Unacceptable username: '. + $entries{$fields{'username'}}.' for user '. + $fname.' '.$mname.' '.$lname.' '.$gen.'

'); + } 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( + "

Error enrolling $username: $reply

"); + } else { + $count++; $flushc++; + $student{$username}=1; + $r->print('. '); + if ($flushc>15) { + $r->rflush; + $flushc=0; + } + } + } else { + $r->print( + "

No password for $username

"); + } + } + } + } @studentdata; + $r->print('

Processed Students: '.$count); +# --------------------------------------------------------------- Drop students + if ($ENV{'form.fullup'} eq 'yes') { + $r->print('

Dropping Students

'); +# ------------------------------------------------------- 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 + $r->print('
FieldSamples
'); + if (defined($sone{$i})) { + $r->print($sone{$i}."
\n"); + } + if (defined($stwo{$i})) { + $r->print($stwo{$i}."
\n"); + } + if (defined($sthree{$i})) { + $r->print($sthree{$i}."
\n"); + } + $r->print('
'); + map { + my ($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( + '\n"); + } sort keys %currentlist; + $r->print('
'. + $sname.''.$sdom.''. + $reply{$sname}.''. + $reply[2].' '.$reply[3],', '.$reply[0].' '. + $reply[1].''. + $ssec."

'); + $r->print(''); + + } else { + $r->print( + '

Could not access classlist: '.$classlst. + '

'); + } + } +# ------------------------------------------------------------------------ Done + + } +} # ================================================================ Main Handler @@ -42,19 +670,33 @@ sub handler { # ------------------------------------------------------------------ Start page $r->content_type('text/html'); $r->send_http_header; - $r->print(< - -LON-CAPA Student Drop/Add - - - -

Drop/Add Students

- -

Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}

-ENDHEAD + &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); + } + } +# ------------------------------------------------------------------------- End $r->print(''); } else { # ----------------------------- Not in a course, or not allowed to modify parms