# The LearningOnline Network with CAPA
# Handler to drop and add students in courses
#
# $Id: londropadd.pm,v 1.173 2007/10/22 22:16:38 raeburn 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 Apache::londropadd;
use strict;
use Apache::lonnet;
use Apache::loncommon();
use Apache::lonhtmlcommon();
use Apache::Constants qw(:common :http REDIRECT);
use Spreadsheet::WriteExcel;
use Apache::lonstathelpers();
use Apache::lonlocal;
use Apache::longroup;
use LONCAPA();
###############################################################
###############################################################
sub header {
my ($jscript,$loaditems) = @_;
my $start_page;
if (ref($loaditems) eq 'HASH') {
$start_page=&Apache::loncommon::start_page('Enrollment Manager',$jscript,{'add_entries' => $loaditems,});
} else {
$start_page=&Apache::loncommon::start_page('Enrollment Manager',$jscript);
}
return(< ';
$menu_html.='';
if (exists($menu_item->{'url'})) {
$menu_html.=qq{};
} else {
$menu_html.=
qq{};
}
$menu_html.= &mt($menu_item->{'text'}).'';
if (exists($menu_item->{'help'})) {
$menu_html.=
&Apache::loncommon::help_open_topic($menu_item->{'help'});
}
$menu_html.=' \n".
&mt('Total number of records found in file: [_1].',$distotal).
"\n".
" \n".
&mt('Note: this will not take effect if the user already exists').
&Apache::loncommon::help_open_topic('Auth_Options').
" \n";
$Str .= $krbform."\n \n".
$intform."\n \n".
$locform."\n \n".&mt('LON-CAPA domain: [_1]',$domform)."\n \n".$date_table."'.&mt('Uploading Class List')."
\n".
"
\n".
''.&mt('Identify fields')."
\n");
$r->print("
\n");
$r->print(&mt('Enter as many fields as you can. The system will inform you and bring you back to this page if the data selected is insufficient to enroll students in your class.')."
\n");
$r->print(&hidden_input('action','upload').
&hidden_input('state','got_file').
&hidden_input('associate','').
&hidden_input('datatoken',$datatoken).
&hidden_input('fileupload',$env{'form.fileupload'}).
&hidden_input('upfiletype',$env{'form.upfiletype'}).
&hidden_input('upfile_associate',$env{'form.upfile_associate'}));
$r->print('');
$r->print('');
$r->print("
\n".
'');
}
###############################################################
###############################################################
sub javascript_validations {
my ($mode,$krbdefdom,$curr_authtype,$curr_authfield,$domain)=@_;
my $authheader;
if ($mode eq 'auth') {
my %param = ( formname => 'studentform',
kerb_def_dom => $krbdefdom,
curr_authtype => $curr_authtype);
$authheader = &Apache::loncommon::authform_header(%param);
} elsif ($mode eq 'createcourse') {
my %param = ( formname => 'ccrs',
kerb_def_dom => $krbdefdom,
curr_authtype => $curr_authtype );
$authheader = &Apache::loncommon::authform_header(%param);
} elsif ($mode eq 'modifycourse') {
my %param = ( formname => 'cmod',
kerb_def_dom => $krbdefdom,
mode => 'modifycourse',
curr_authtype => $curr_authtype,
curr_autharg => $curr_authfield );
$authheader = &Apache::loncommon::authform_header(%param);
}
my %alert = &Apache::lonlocal::texthash
(username => 'You need to specify the username field.',
authen => 'You must choose an authentication type.',
krb => 'You need to specify the Kerberos domain.',
ipass => 'You need to specify the initial password.',
name => 'The optional name field was not specified.',
snum => 'The optional student number field was not specified.',
section => 'The optional section field was not specified.',
email => 'The optional email address field was not specified.',
continue => 'Continue enrollment?',
);
# my $pjump_def = &Apache::lonhtmlcommon::pjump_javascript_definition();
my $function_name =(<'.&mt('Login Type')."
\n";
$Str .= "'.&mt('LON-CAPA Domain for Students')."
\n";
$Str .= "".&mt('Starting and Ending Dates')."
\n";
$Str .= "".&mt('Full Update')."
\n";
$Str .= '
\n".'\n
\n";
$Str .= ''."
\n";
$Str .= &mt('Note: for large courses, this operation may be time '.
'consuming');
$r->print($Str);
return;
}
###############################################################
###############################################################
sub print_upload_manager_form {
my $r=shift;
my $firstLine;
my $datatoken;
if (!$env{'form.datatoken'}) {
$datatoken=&Apache::loncommon::upfile_store($r);
} else {
$datatoken=$env{'form.datatoken'};
&Apache::loncommon::load_tmp_file($r);
}
my @records=&Apache::loncommon::upfile_record_sep();
if($env{'form.noFirstLine'}){
$firstLine=shift(@records);
}
my $total=$#records;
my $distotal=$total+1;
my $today=time;
my $halfyear=$today+15552000;
#
# Restore memorized settings
&Apache::loncommon::restore_course_settings
('enrollment_upload',{ 'username_choice' => 'scalar', # column settings
'names_choice' => 'scalar',
'fname_choice' => 'scalar',
'mname_choice' => 'scalar',
'lname_choice' => 'scalar',
'gen_choice' => 'scalar',
'id_choice' => 'scalar',
'sec_choice' => 'scalar',
'ipwd_choice' => 'scalar',
'email_choice' => 'scalar',
});
#
# Determine kerberos parameters as appropriate
my $defdom=$env{'course.'.$env{'request.course.id'}.'.domain'};
my ($krbdef,$krbdefdom) =
&Apache::loncommon::get_kerberos_defaults($defdom);
#
&print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
my $i;
my $keyfields;
if ($total>=0) {
my @field=
(['username',&mt('Username'), $env{'form.username_choice'}],
['names',&mt('Last Name, First Names'),$env{'form.names_choice'}],
['fname',&mt('First Name'), $env{'form.fname_choice'}],
['mname',&mt('Middle Names/Initials'),$env{'form.mname_choice'}],
['lname',&mt('Last Name'), $env{'form.lname_choice'}],
['gen', &mt('Generation'), $env{'form.gen_choice'}],
['id', &mt('ID/Student Number'),$env{'form.id_choice'}],
['sec', &mt('Section'), $env{'form.sec_choice'}],
['ipwd', &mt('Initial Password'),$env{'form.ipwd_choice'}],
['email',&mt('EMail Address'), $env{'form.email_choice'}]);
if ($env{'form.upfile_associate'} eq 'reverse') {
&Apache::loncommon::csv_print_samples($r,\@records);
$i=&Apache::loncommon::csv_print_select_table($r,\@records,
\@field);
foreach (@field) {
$keyfields.=$_->[0].',';
}
chop($keyfields);
} else {
unshift(@field,['none','']);
$i=&Apache::loncommon::csv_samples_select_table($r,\@records,
\@field);
my %sone=&Apache::loncommon::record_sep($records[0]);
$keyfields=join(',',sort(keys(%sone)));
}
}
&print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
}
###############################################################
###############################################################
sub enroll_single_student {
my ($r,$srcharray) = @_;
# Remove non alphanumeric values from section
$env{'form.csec'}=~s/\W//g;
#
# We do the dates first because the action of making them the defaul
# in the course is entirely separate from the action of enrolling the
# student. Also, a failure in setting the dates as default is not fatal
# to the process of enrolling / modifying a student.
my ($startdate,$enddate) = &Apache::lonuserutils::get_dates_from_form();
if ($env{'form.makedatesdefault'}) {
$r->print(&Apache::lonuserutils::make_dates_default($startdate,
$enddate));
}
$r->print('
'.&mt('Enrolling [_1] : [_2]',$env{'form.cuname'}, $env{'form.lcdomain'}).'
'); if (($env{'form.cuname'}) && ($env{'form.cuname'} eq &LONCAPA::clean_username($env{'form.cuname'})) && ($env{'form.lcdomain'}) && ($env{'form.lcdomain'} eq &LONCAPA::clean_domain($env{'form.lcdomain'}))) { # Deal with home server selection my $domain=$env{'form.lcdomain'}; my $desiredhost = $env{'form.lcserver'}; if (lc($desiredhost) eq 'default') { $desiredhost = undef; } else { my %home_servers =&Apache::lonnet::get_servers($domain,'library'); if (! exists($home_servers{$desiredhost})) { $r->print(''.&mt('Error').':'. &mt('Invalid home server specified')); return; } } $r->print(" ".&mt('with server')." $desiredhost :") if (defined($desiredhost)); # End of home server selection logic my $amode=''; my $genpwd=''; if ($env{'form.login'} eq 'krb') { $amode='krb'; $amode.=$env{'form.krbver'}; $genpwd=$env{'form.krbarg'}; } elsif ($env{'form.login'} eq 'int') { $amode='internal'; $genpwd=$env{'form.intarg'}; } elsif ($env{'form.login'} eq 'loc') { $amode='localauth'; $genpwd=$env{'form.locarg'}; if (!$genpwd) { $genpwd=" "; } } my $home = &Apache::lonnet::homeserver($env{'form.cuname'}, $env{'form.lcdomain'}); if ((($amode) && ($genpwd)) || ($home ne 'no_host')) { # Clean out any old roles the student has in this class. &Apache::lonuserutils::modifystudent($env{'form.lcdomain'},$env{'form.cuname'}, $env{'request.course.id'},$env{'form.csec'}, $desiredhost); my $login_result = &Apache::lonnet::modifystudent ($env{'form.lcdomain'},$env{'form.cuname'}, $env{'form.cstid'},$amode,$genpwd, $env{'form.cfirst'},$env{'form.cmiddle'}, $env{'form.clast'},$env{'form.cgen'}, $env{'form.csec'},$enddate, $startdate,$env{'form.forceid'}, $desiredhost,$env{'form.emailaddress'}); if ($login_result =~ /^ok/) { $r->print($login_result); $r->print("".&mt('If active, the new role will be available when the student next logs in to LON-CAPA.')."
"); } else { $r->print(&mt('unable to enroll').": ".$login_result); } } else { $r->print(''.&mt('ERROR').' '); if ($amode =~ /^krb/) { $r->print(&mt('Missing Kerberos domain information.').' '); } else { $r->print(&mt('Invalid login mode or password.').' '); } $r->print(''.&mt('Unable to enroll').' '.$env{'form.cuname'}.'.
'); } } else { $r->print(&mt('Invalid username or domain')); } $r->print("".&mt("Enroll another student")."
"); if (ref($srcharray) eq 'ARRAY') { foreach my $item (@{$srcharray},'ccuname','ccdomain') { $r->print(''."\n"); } } foreach my $item ('sortby','seluname','seludom') { if (exists($env{'form.'.$item})) { $r->print(''."\n"); } } $r->print(''."\n". ''."\n". ''."\n". ''."\n". ''); } sub setup_date_selectors { my ($starttime,$endtime,$mode) = @_; if (! defined($starttime)) { $starttime = time; unless ($mode eq 'create_enrolldates' || $mode eq 'create_defaultdates') { if (exists($env{'course.'.$env{'request.course.id'}. '.default_enrollment_start_date'})) { $starttime = $env{'course.'.$env{'request.course.id'}. '.default_enrollment_start_date'}; } } } if (! defined($endtime)) { $endtime = time+(6*30*24*60*60); # 6 months from now, approx unless ($mode eq 'createcourse') { if (exists($env{'course.'.$env{'request.course.id'}. '.default_enrollment_end_date'})) { $endtime = $env{'course.'.$env{'request.course.id'}. '.default_enrollment_end_date'}; } } } my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform', 'startdate', $starttime); my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform', 'enddate', $endtime); if ($mode eq 'create_enrolldates') { $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs', 'startenroll', $starttime); $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs', 'endenroll', $endtime); } if ($mode eq 'create_defaultdates') { $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs', 'startaccess', $starttime); $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs', 'endaccess', $endtime); } return ($startdateform,$enddateform); } sub get_dates_from_form { my $startdate = &Apache::lonhtmlcommon::get_date_from_form('startdate'); my $enddate = &Apache::lonhtmlcommon::get_date_from_form('enddate'); if ($env{'form.no_end_date'}) { $enddate = 0; } return ($startdate,$enddate); } sub date_setting_table { my ($starttime,$endtime,$mode) = @_; my ($startform,$endform)=&setup_date_selectors($starttime,$endtime,$mode); my $dateDefault = ''.&mt('Starting Date').' | '. ''.$startform.' | '. ''.$dateDefault.' | '."
'.&mt('Ending Date').' | '. ''.$endform.' | '. ''.$perpetual.' | '."
: | |
: | |
: | |
: | |
: | $homeserver_form |
: |
END
if ($krbform ne '') {
$user_data_html .= $krbform.'
';
}
if ($intform ne '') {
$user_data_html .= $intform.'
';
}
if ($locform ne '') {
$user_data_html .= $locform.'
';
}
$user_data_html .= "\n
: | |
: | |
: | |
: | |
: |
:
$date_table:
END $r->print(''."\n". ''."\n". ''."\n"); if (ref($srch) eq 'HASH') { foreach my $item (sort(keys(%{$srch}))) { $r->print(''."\n"); } } foreach my $item ('sortby','seluname','seludom') { if (exists($env{'form.'.$item})) { $r->print(''."\n"); } } return; } # ========================================================= Menu Phase Two Drop sub print_drop_menu { my $r=shift; $r->print("
\n"); if ($env{'form.action'} ne 'modifystudent') { my %lt=&Apache::lonlocal::texthash('csv' => "CSV", 'excel' => "Excel", 'html' => 'HTML'); my $output_selector = ''; $r->print(''.(' 'x3)); } $r->print('\n"); $r->print(''. "\n
\n"); # # Print the classlist $r->print('".&Apache::loncommon::start_data_table()."
'.&mt('manual').' | |
'. &mt('Your Excel spreadsheet').' '.&mt('is ready for download').'.
'."\n"); } elsif ($mode eq 'csv') { close($CSVfile); $r->print(''. &mt('Your CSV file').' is ready for download.'. "\n"); $r->rflush(); } if ($mode eq 'autoenroll') { return ($studentcount,$autocount,$manualcount,$lockcount,$unlockcount); } return; } # # print out form for modification of a single students data # sub print_modify_student_form { my $r = shift(); &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['sdom','sname']); my $sname = $env{'form.sname'}; my $sdom = $env{'form.sdom'}; my $sortby = $env{'form.sortby'}; # determine the students name information my %info=&Apache::lonnet::get('environment', ['firstname','middlename', 'lastname','generation','id', 'permanentemail'], $sdom, $sname); my ($tmp) = keys(%info); if ($tmp =~ /^(con_lost|error|no_such_host)/i) { $r->print(''.&mt('Error').''. ''. &mt('Unable to retrieve environment data for').' '.$sname. &mt('in domain').' '.$sdom.'
'. &mt('Please contact your LON-CAPA administrator regarding this situation.').'
'.&Apache::loncommon::end_page()); return; } # determine the students starting and ending times and section my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom); if ($starttime =~ /^error/) { $r->print(''.$starttime.'
'); return; } # # Deal with date forms my $current_date_description = ''; my $textdate = ''; if (! defined($starttime) || $starttime == 0) { $current_date_description = &mt('Current Starting Date: not set'). '$lt{'odcc'}
$lt{'sn'}
$lt{'fn'} | $lt{'mn'} | $lt{'ln'} | $lt{'gen'} |
---|---|---|---|
$lt{'email'}:
$lt{'sid'}:
$lt{'sec'}:
$current_date_description
$date_table
END $r->print(&Apache::loncommon::end_page()); return; } # # modify a single students section # sub modify_single_student { my ($r) = @_; # # Remove non alphanumeric values from the section $env{'form.section'} =~ s/\W//g; # # Do the date defaults first my ($starttime,$endtime) = &Apache::lonuserutils::get_dates_from_form(); if ($env{'form.makedatesdefault'}) { $r->print(&Apache::lonuserutils::make_dates_default($starttime, $endtime)); } # Get the 'sortby' and 'Status' variables so the user goes back to their # previous screen my $sortby = $env{'form.sortby'}; my $status = $env{'form.Status'}; # # We always need this information my $slogin = $env{'form.slogin'}; my $sdom = $env{'form.sdomain'}; # # Get the old data my %old=&Apache::lonnet::get('environment', ['firstname','middlename', 'lastname','generation','id', 'permanentemail'],$sdom, $slogin); $old{'section'} = &Apache::lonnet::getsection($sdom,$slogin, $env{'request.course.id'}); my ($tmp) = keys(%old); if ($tmp =~ /^(con_lost|error|no_such_host)/i) { $r->print(&mt('There was an error determining the environment values for')." $slogin : $sdom."); return; } undef $tmp; # # Get the new data my $firstname = $env{'form.firstname'}; my $middlename = $env{'form.middlename'}; my $lastname = $env{'form.lastname'}; my $generation = $env{'form.generation'}; my $permanentemail = $env{'form.permanentemail'}; my $section = $env{'form.section'}; my $courseid = $env{'request.course.id'}; my $sid = $env{'form.id'}; my $displayable_starttime = localtime($starttime); my $displayable_endtime = localtime($endtime); # # check for forceid override if ((defined($old{'id'})) && ($old{'id'} ne '') && ($sid ne $old{'id'}) && (! exists($env{'form.forceid'}))) { $r->print("".&mt('You changed the students id but did not disable the ID change safeguard. The students id will not be changed.').""); $sid = $old{'id'}; } # # talk to the user about what we are going to do my %lt=&Apache::lonlocal::texthash( 'mdu' => "Modifying data for user", 'si' => "Student Information", 'fd' => "Field", 'ov' => "Old Value", 'nv' => "New Value", 'fn' => "First name", 'mn' => "Middle name", 'ln' => "Last name", 'gen' => "Generation", 'em' => "E-mail address", 'sec' => "Section", 'ri' => "Role Information", 'st' => "Start Time", 'et' => "End Time", ); $r->print(<$lt{si} | ||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
$lt{'ri'} | ||||
---|---|---|---|---|
|
END
#
# Send request(s) to modify data (final undef is for 'desiredhost',
# which is a moot point because the student already has an account.
my $modify_section_results =
&Apache::lonuserutils::modifystudent($sdom,$slogin,
$env{'request.course.id'},
$section,undef);
if ($modify_section_results !~ /^ok/) {
$r->print(&mt('An error occured during the attempt to change the section for this student.')."
$Masd
END
$r->print(&Apache::loncommon::end_page());
return;
}
sub get_enrollment_data {
my ($sname,$sdomain) = @_;
my $courseid = $env{'request.course.id'};
my $cdom = $env{'course.'.$courseid.'.domain'};
my $cnum = $env{'course.'.$courseid.'.num'};
my %roles = &Apache::lonnet::dump('roles',$sdomain,$sname);
my ($tmp) = keys(%roles);
# Bail out if we were unable to get the students roles
return ('error'.$tmp) if ($tmp =~ /^(con_lost|error|no_such_host)/i);
# Go through the roles looking for enrollment in this course
my ($end,$start) = (undef,undef);
my $section = '';
my $count = scalar(keys(%roles));
while (my ($course,$role) = each(%roles)) {
if ($course=~m{^/\Q$cdom\E/\Q$cnum\E/*\s*(\w+)*_st$} ) {
#
# Get active role
$section=$1;
(undef,$end,$start)=split(/\_/,$role);
my $now=time;
my $notactive=0;
if ($start) {
if ($now<$start) { $notactive=1; }
}
if ($end) {
if ($now>$end) { $notactive=1; }
}
unless ($notactive) { return ($start,$end,$section); }
}
}
return ($start,$end,$section);
}
#################################################
#################################################
=pod
=item show_drop_list
Display a list of students to drop
Inputs:
=over 4
=item $r, Apache request
=item $classlist, hash pointer returned from loncoursedata::get_classlist();
=item $keylist, array pointer returned from loncoursedata::get_classlist()
which describes the order elements are stored in the %$classlist values.
=item $nosort, if true, sorting links are omitted.
=back
=cut
#################################################
#################################################
sub show_drop_list {
my ($r,$classlist,$keylist,$nosort)=@_;
my $cid=$env{'request.course.id'};
if (! exists($env{'form.sortby'})) {
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
['sortby']);
}
my $sortby = $env{'form.sortby'};
if ($sortby !~ /^(username|domain|section|groups|fullname|id|start|end)$/) {
$sortby = 'username';
}
my $cdom = $env{'course.'.$cid.'.domain'};
my $cnum = $env{'course.'.$cid,'.num'};
my ($classgroups) = &Apache::loncoursedata::get_group_memberships(
$classlist,$keylist,$cdom,$cnum);
#
my $action = "drop";
$r->print(<
END
my %lt=&Apache::lonlocal::texthash('usrn' => "username",
'dom' => "domain",
'sn' => "student name",
'sec' => "section",
'start' => "start date",
'end' => "end date",
'groups' => "active groups",
);
if ($nosort) {
$r->print(&Apache::loncommon::start_data_table());
$r->print(<
\n";
$str .= ''."\n";
$str .= '
");
}
my $roleresults = &Apache::lonnet::modifystudent
($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
$generation,$section,$endtime,$starttime,$env{'form.forceid'},
undef,$permanentemail);
if ($old{'permanentemail'} ne $permanentemail) {
&Apache::loncommon::flush_email_cache($slogin,$sdom);
}
if ($roleresults eq 'refused' ) {
$r->print(&mt('Your request to change the role information for this student was refused. You do not appear to have sufficient authority to change student information.'));
} elsif ($roleresults !~ /ok/) {
$r->print(&mt('An error occurred during the attempt to change the role information for this student.')."
".
&mt('The error reported was')." ".
$roleresults);
&Apache::lonnet::logthis("londropadd:failed attempt to modify student".
" data for ".$slogin." : ".$sdom." by ".
$env{'user.name'}." : ".$env{'user.domain'}.
":".$roleresults);
} else { # everything is okay!
$r->print(&mt('Student information updated successfully.')."
".
&mt('The student must log out and log in again to see these changes.'));
}
my $Masd=&mt('Modify another students data');
$r->print(<
$lt{'usrn'}
$lt{'dom'}
ID
$lt{'sn'}
$lt{'sec'}
$lt{'start'}
$lt{'end'}
$lt{'groups'}
END
} else {
$r->print(&Apache::loncommon::start_data_table());
$r->print(<
$lt{'usrn'}
$lt{'dom'}
ID
$lt{'sn'}
$lt{'sec'}
$lt{'start'}
$lt{'end'}
$lt{'groups'}
END
}
#
# Sort the students
my %index;
my $i;
foreach (@$keylist) {
$index{$_} = $i++;
}
$index{'groups'} = scalar(@$keylist);
my $index = $index{$sortby};
my $second = $index{'username'};
my $third = $index{'domain'};
my @Sorted_Students = sort {
lc($classlist->{$a}->[$index]) cmp lc($classlist->{$b}->[$index])
||
lc($classlist->{$a}->[$second]) cmp lc($classlist->{$b}->[$second])
||
lc($classlist->{$a}->[$third]) cmp lc($classlist->{$b}->[$third])
} (keys(%$classlist));
foreach my $student (@Sorted_Students) {
my $error;
my $sdata = $classlist->{$student};
my $username = $sdata->[$index{'username'}];
my $domain = $sdata->[$index{'domain'}];
my $section = $sdata->[$index{'section'}];
my $name = $sdata->[$index{'fullname'}];
my $id = $sdata->[$index{'id'}];
my $start = $sdata->[$index{'start'}];
my $end = $sdata->[$index{'end'}];
my $groups = $classgroups->{$student};
my $active_groups;
if (ref($groups->{active}) eq 'HASH') {
$active_groups = join(', ',keys(%{$groups->{'active'}}));
}
if (! defined($start) || $start == 0) {
$start = &mt('none');
} else {
$start = &Apache::lonlocal::locallocaltime($start);
}
if (! defined($end) || $end == 0) {
$end = &mt('none');
} else {
$end = &Apache::lonlocal::locallocaltime($end);
}
my $status = $sdata->[$index{'status'}];
next if ($status ne 'Active');
#
$r->print(&Apache::loncommon::start_data_table_row());
$r->print(<<"END");
$username
$domain
$id
$name
$section
$start
$end
$active_groups
END
$r->print(&Apache::loncommon::end_data_table_row());
}
$r->print(&Apache::loncommon::end_data_table().'
');
%lt=&Apache::lonlocal::texthash(
'dp' => "Drop Students",
'ca' => "check all",
'ua' => "uncheck all",
);
$r->print(<<"END");
".&mt('Upload a class list')."
\n";
$str .= &Apache::loncommon::upfile_select_html();
$str .= "
\n";
$str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
&mt("How do I create a CSV file from a spreadsheet")).
"
\n";
$str .= &Apache::loncommon::end_page();
$r->print($str);
return;
}
# ================================================= Drop/Add from uploaded file
sub upfile_drop_add {
my $r=shift;
&Apache::loncommon::load_tmp_file($r);
my @studentdata=&Apache::loncommon::upfile_record_sep();
if($env{'form.noFirstLine'}){shift(@studentdata);}
my @keyfields = split(/\,/,$env{'form.keyfields'});
my $cid = $env{'request.course.id'};
my %fields=();
for (my $i=0; $i<=$env{'form.nfields'}; $i++) {
if ($env{'form.upfile_associate'} eq 'reverse') {
if ($env{'form.f'.$i} ne 'none') {
$fields{$keyfields[$i]}=$env{'form.f'.$i};
}
} else {
$fields{$env{'form.f'.$i}}=$keyfields[$i];
}
}
#
# Store the field choices away
foreach my $field (qw/username names
fname mname lname gen id sec ipwd email/) {
$env{'form.'.$field.'_choice'}=$fields{$field};
}
&Apache::loncommon::store_course_settings('enrollment_upload',
{ 'username_choice' => 'scalar',
'names_choice' => 'scalar',
'fname_choice' => 'scalar',
'mname_choice' => 'scalar',
'lname_choice' => 'scalar',
'gen_choice' => 'scalar',
'id_choice' => 'scalar',
'sec_choice' => 'scalar',
'ipwd_choice' => 'scalar',
'email_choice' => 'scalar' });
#
my ($startdate,$enddate) = &get_dates_from_form();
if ($env{'form.makedatesdefault'}) {
$r->print(&make_dates_default($startdate,$enddate));
}
# Determine domain and desired host (home server)
my $domain=$env{'form.lcdomain'};
my $desiredhost = $env{'form.lcserver'};
if (lc($desiredhost) eq 'default') {
$desiredhost = undef;
} else {
my %home_servers = &Apache::lonnet::get_servers($domain,'library');
if (! exists($home_servers{$desiredhost})) {
$r->print(''.&mt('Error').''.
&mt('Invalid home server specified'));
$r->print(&Apache::loncommon::end_page());
return;
}
}
# Determine authentication mechanism
my $amode = '';
my $genpwd = '';
if ($env{'form.login'} eq 'krb') {
$amode='krb';
$amode.=$env{'form.krbver'};
$genpwd=$env{'form.krbarg'};
} elsif ($env{'form.login'} eq 'int') {
$amode='internal';
if ((defined($env{'form.intarg'})) && ($env{'form.intarg'})) {
$genpwd=$env{'form.intarg'};
}
} elsif ($env{'form.login'} eq 'loc') {
$amode='localauth';
if ((defined($env{'form.locarg'})) && ($env{'form.locarg'})) {
$genpwd=$env{'form.locarg'};
}
}
if ($amode =~ /^krb/) {
if (! defined($genpwd) || $genpwd eq '') {
$r->print(''.
&mt('Unable to enroll students').' '.
&mt('No Kerberos domain was specified.').'
\n");
my $count=0;
my $flushc=0;
my %student=();
# Get information about course groups
my %curr_groups = &Apache::longroup::coursegroups();
# Get new classlist
foreach (@studentdata) {
my %entries=&Apache::loncommon::record_sep($_);
# Determine student name
unless (($entries{$fields{'username'}} eq '') ||
(!defined($entries{$fields{'username'}}))) {
my ($fname, $mname, $lname,$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{$fields{'username'}}
ne &LONCAPA::clean_username($entries{$fields{'username'}})) {
$r->print('
'.
&mt('[_1]: Unacceptable username for user [_2] [_3] [_4] [_5]',
$entries{$fields{'username'}},$fname,$mname,$lname,$gen).
'');
} else {
# determine section number
my $sec='';
my $username=$entries{$fields{'username'}};
if (defined($fields{'sec'})) {
if (defined($entries{$fields{'sec'}})) {
$sec=$entries{$fields{'sec'}};
}
}
# remove non alphanumeric values from section
$sec =~ s/\W//g;
if ($sec eq "none" || $sec eq 'all') {
$r->print('
'.
&mt('[_1]: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a reserved word.',
$username,$sec,$fname,$mname,$lname,$gen));
next;
} elsif (($sec ne '') && (exists($curr_groups{$sec}))) {
$r->print('
'.
&mt('[_1]: Unable to enroll: section name "[_2]" for user [_3] [_4] [_5] [_6] is a course group. Section names and group names must be distinct.',
$username,$sec,$fname,$mname,$lname,$gen));
next;
}
# determine student id number
my $id='';
if (defined($fields{'id'})) {
if (defined($entries{$fields{'id'}})) {
$id=$entries{$fields{'id'}};
}
$id=~tr/A-Z/a-z/;
}
# determine email address
my $email='';
if (defined($fields{'email'})) {
if (defined($entries{$fields{'email'}})) {
$email=$entries{$fields{'email'}};
unless ($email=~/^[^\@]+\@[^\@]+$/) { $email=''; }
}
}
# determine student password
my $password='';
if ($genpwd) {
$password=$genpwd;
} else {
if (defined($fields{'ipwd'})) {
if ($entries{$fields{'ipwd'}}) {
$password=$entries{$fields{'ipwd'}};
}
}
}
# Clean up whitespace
foreach (\$domain,\$username,\$id,\$fname,\$mname,
\$lname,\$gen,\$sec) {
$$_ =~ s/(\s+$|^\s+)//g;
}
if ($password || $env{'form.login'} eq 'loc') {
&Apache::lonuserutils::modifystudent($domain,
$username,$cid,
$sec,$desiredhost);
my $reply=&Apache::lonnet::modifystudent
($domain,$username,$id,$amode,$password,
$fname,$mname,$lname,$gen,$sec,$enddate,
$startdate,$env{'form.forceid'},$desiredhost,
$email);
if ($reply ne 'ok') {
$reply =~ s/^error://;
$r->print('
'.
&mt('[_1]: Unable to enroll: [_2]',$username,$reply));
} else {
$count++; $flushc++;
$student{$username}=1;
$r->print('. ');
if ($flushc>15) {
$r->rflush;
$flushc=0;
}
}
} else {
$r->print('
'.
&mt('[_1]: Unable to enroll. No password specified.',$username)
);
}
}
}
} # end of foreach (@studentdata)
$r->print("
\n".&mt('Processed [_1] student(s).',$count). "
\n"); $r->print("\n". &mt('If active, the new role will be available when the '. 'students next log in to LON-CAPA.')."
\n"); ##################################### # Drop students # ##################################### if ($env{'form.fullup'} eq 'yes') { $r->print(''.&mt('Dropped [_1] student(s).',$count).'
'); $r->print(''.&mt('Re-enrollment will re-activate data.')) if ($count);
}
sub section_check_js {
my $groupslist;
my %curr_groups = &Apache::longroup::coursegroups();
if (%curr_groups) {
$groupslist = join('","',sort(keys(%curr_groups)));
}
return <<"END";
function validate(caller) {
var groups = new Array("$groupslist");
var secname = caller.value;
if ((secname == 'all') || (secname == 'none')) {
alert("'"+secname+"' may not be used as the name for a section, as it is a reserved word.\\nPlease choose a different section name.");
return 'error';
}
if (secname != '') {
for (var k=0; k