# The LearningOnline Network with CAPA # Handler to drop and add students in courses # # $Id: londropadd.pm,v 1.100 2004/02/10 22:15:53 www 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::lonlocal; ############################################################### ############################################################### sub header { my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager'). &Apache::loncommon::help_open_faq(9). &Apache::loncommon::help_open_bug('Instructor Interface'); my $title = &mt('LON-CAPA Enrollment Manager'); return(< $title $bodytag
ENDHEAD } ############################################################### ############################################################### # Drop student from all sections of a course, except optional $csec sub modifystudent { my ($udom,$unam,$courseid,$csec,$desiredhost)=@_; # if $csec is undefined, drop the student from all the courses matching # this one. If $csec is defined, drop them from all other sections of # this course and add them to section $csec $courseid=~s/\_/\//g; $courseid=~s/^(\w)/\/$1/; my %roles = &Apache::lonnet::dump('roles',$udom,$unam); my ($tmp) = keys(%roles); # Bail out if we were unable to get the students roles return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i); # Go through the roles looking for enrollment in this course my $result = ''; foreach my $course (keys(%roles)) { if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) { # We are in this course my $section=$1; $section='' if ($course eq $courseid.'_st'); if (defined($csec) && $section eq $csec) { $result .= 'ok:'; } elsif ( ((!$section) && (!$csec)) || ($section ne $csec) ) { my (undef,$end,$start)=split(/\_/,$roles{$course}); my $now=time; # if this is an active role if (!($start && ($now<$start)) || !($end && ($now>$end))) { my $reply=&Apache::lonnet::modifystudent # dom name id mode pass f m l g ($udom,$unam,'', '', '',undef,undef,undef,undef, $section,time,undef,undef,$desiredhost); $result .= $reply.':'; } } } } if ($result eq '') { $result = 'Unable to find section for this student'; } else { $result =~ s/(ok:)+/ok/g; } return $result; } ############################################################### ############################################################### # build a domain and server selection form sub domain_form { my ($defdom) = @_; # Set up domain and server selection forms # # Get the domains my @domains = &Apache::loncommon::get_domains(); # build up the menu information to be passed to # &Apache::loncommon::linked_select_forms my %select_menus; foreach my $dom (@domains) { # set up the text for this domain $select_menus{$dom}->{'text'}= $dom; # we want a choice of 'default' as the default in the second menu $select_menus{$dom}->{'default'}= 'default'; $select_menus{$dom}->{'select2'}->{'default'} = 'default'; # Now build up the other items in the second menu my %servers = &Apache::loncommon::get_library_servers($dom); foreach my $server (keys(%servers)) { $select_menus{$dom}->{'select2'}->{$server} = "$server $servers{$server}"; } } my $result = &Apache::loncommon::linked_select_forms ('studentform',' with home server ',$defdom, 'lcdomain','lcserver',\%select_menus); return $result; } ############################################################### ############################################################### # Menu Phase One sub print_main_menu { my $r=shift; my %Text = &Apache::lonlocal::texthash ('upload' => 'Upload a class list', 'enrollone' => 'Enroll a single student', 'modify' => 'Modify student data', 'view' => 'View Class List', 'drop' => 'Drop Students', 'populate' => 'Automated Enrollment Manager'); my %help=(); foreach ('Course_Drop_Student','Course_Add_Student', 'Course_Modify_Student_Data','Course_View_Class_List', 'Course_Create_Class_List') { $help{$_}=&Apache::loncommon::help_open_topic($_); } $r->print(< $Text{'upload'} $help{'Course_Create_Class_List'}

$Text{'enrollone'} $help{'Course_Add_Student'}

$Text{'modify'} $help{'Course_Modify_Student_Data'}

$Text{'view'} $help{'Course_View_Class_List'}

$Text{'drop'} $help{'Course_Drop_Student'}

$Text{'populate'} END } ############################################################### ############################################################### sub hidden_input { my ($name,$value) = @_; return ''."\n"; } sub print_upload_manager_header { my ($r,$datatoken,$distotal,$krbdefdom)=@_; my $javascript; # if (! exists($ENV{'form.upfile_associate'})) { $ENV{'form.upfile_associate'} = 'forward'; } if ($ENV{'form.associate'} eq 'Reverse Association') { if ( $ENV{'form.upfile_associate'} ne 'reverse' ) { $ENV{'form.upfile_associate'} = 'reverse'; } else { $ENV{'form.upfile_associate'} = 'forward'; } } if ($ENV{'form.upfile_associate'} eq 'reverse') { $javascript=&upload_manager_javascript_reverse_associate(); } else { $javascript=&upload_manager_javascript_forward_associate(); } # # Deal with restored settings my $password_choice = ''; if (exists($ENV{'form.ipwd_choice'}) && $ENV{'form.ipwd_choice'} ne '') { # If a column was specified for password, assume it is for an # internal password. This is a bug waiting to be filed (could be # local or krb auth instead of internal) but I do not have the # time to mess around with this now. $password_choice = 'int'; } # my $javascript_validations=&javascript_validations('auth',$krbdefdom, $password_choice); my $checked=(($ENV{'form.noFirstLine'})?' checked="1"':''); $r->print('

'.&mt('Uploading Class List')."

\n". "
\n". '

'.&mt('Identify fields')."

\n"); $r->print("

\n". &mt('Total number of records found in file: [_1].',$distotal). "\n". "

\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(''. &mt('Ignore First Line')); $r->print("
\n". ''); } ############################################################### ############################################################### sub javascript_validations { my ($mode,$krbdefdom,$curr_authtype,$curr_authfield)=@_; 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 or group 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 =(<=2) && (tw<=6)) { foundname=1; } if (tw==7) { foundid=1; } if (tw==8) { foundsec=1; } if (tw==9) { foundpwd=1; } if (tw==10) { foundemail=1; } } verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec,foundemail); } // // vf = this.form // tf = column number // // values of nw // // 0 = none // 1 = username // 2 = names (lastname, firstnames) // 3 = fname (firstname) // 4 = mname (middlename) // 5 = lname (lastname) // 6 = gen (generation) // 7 = id // 8 = section // 9 = ipwd (password) // 10 = email address function flip(vf,tf) { var nw=eval('vf.f'+tf+'.selectedIndex'); var i; // make sure no other columns are labeled the same as this one for (i=0;i<=vf.nfields.value;i++) { if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) { eval('vf.f'+i+'.selectedIndex=0;') } } // If we set this to 'lastname, firstnames', clear out all the ones // set to 'fname','mname','lname','gen' (3,4,5,6) currently. 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 we set this to one of 'fname','mname','lname','gen' (3,4,5,6), // clear out any that are set to 'lastname, firstnames' (2) 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 we set the password, make the password form below correspond to // the new value. if (nw==9) { changed_radio('int',document.studentform); set_auth_radio_buttons('int',document.studentform); vf.intarg.value=''; vf.krbarg.value=''; vf.locarg.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;') } } } ENDPICK } ############################################################### ############################################################### sub upload_manager_javascript_reverse_associate { return(<=1) && (i<=5)) && tw!=0 ) { foundname=1; } if (i==6 && tw!=0) { foundid=1; } if (i==7 && tw!=0) { foundsec=1; } if (i==8 && tw!=0) { foundpwd=1; } } verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec); } function flip(vf,tf) { var nw=eval('vf.f'+tf+'.selectedIndex'); var i; // picked the all one one name field, reset the other name ones to blank if (tf==1 && nw!=0) { for (i=2;i<=5;i++) { eval('vf.f'+i+'.selectedIndex=0;') } } //picked one of the piecewise name fields, reset the all in //one field to blank if ((tf>=2) && (tf<=5) && (nw!=0)) { eval('vf.f1.selectedIndex=0;') } // intial password specified, pick internal authentication if (tf==8 && nw!=0) { changed_radio('int',document.studentform); set_auth_radio_buttons('int',document.studentform); vf.krbarg.value=''; vf.intarg.value=''; vf.locarg.value=''; } } function clearpwd(vf) { var i; if (eval('vf.f8.selectedIndex')!=0) { eval('vf.f8.selectedIndex=0;') } } ENDPICK } ############################################################### ############################################################### sub print_upload_manager_footer { my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_; my ($krbdef,$krbdefdom) = &Apache::loncommon::get_kerberos_defaults($defdom); my %param = ( formname => 'document.studentform', kerb_def_dom => $krbdefdom, kerb_def_auth => $krbdef ); if (exists($ENV{'form.ipwd_choice'}) && defined($ENV{'form.ipwd_choice'}) && $ENV{'form.ipwd_choice'} ne '') { $param{'curr_authtype'} = 'int'; } my $krbform = &Apache::loncommon::authform_kerberos(%param); my $intform = &Apache::loncommon::authform_internal(%param); my $locform = &Apache::loncommon::authform_local(%param); my $domform = &domain_form($defdom); my $date_table = &date_setting_table(); my $Str = "\n"; $Str .= &hidden_input('nfields',$i); $Str .= &hidden_input('keyfields',$keyfields); $Str .= '

'.&mt('Login Type')."

\n"; $Str .= "

\n". &mt('Note: this will not take effect if the user already exists'). "

\n"; $Str .= $krbform."\n

\n". $intform."\n

\n". $locform."\n

\n"; $Str .= '

'.&mt('LON-CAPA Domain for Students')."

\n"; $Str .= "

\n".&mt('LON-CAPA domain: [_1]',$domform)."\n

\n"; $Str .= "

".&mt('Starting and Ending Dates')."

\n"; $Str .= "

\n".$date_table."

\n"; $Str .= "

".&mt('Full Update')."

\n"; $Str .= ''. ' '.&mt('Full update (also print list of users not enrolled anymore)'). "

\n"; $Str .= "

".&mt('Student Number')."

\n"; $Str .= "

\n".''; $Str .= &mt('Disable ID/Student Number Safeguard and Force Change '. 'of Conflicting IDs (only do if you know what you are doing)'). "\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('Group/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=shift; # Remove non alphanumeric values from section $ENV{'form.csec'}=~s/\W//g; # # We do the dates first because the action of making them the defaul # in the course is entirely seperate from the action of enrolling the # student. Also, a failure in setting the dates as default is not fatal # to the process of enrolling / modifying a student. my ($startdate,$enddate) = &get_dates_from_form(); if ($ENV{'form.makedatesdefault'}) { $r->print(&make_dates_default($startdate,$enddate)); } $r->print('

'.&mt('Enrolling Student').'

'); $r->print('

'.&mt('Enrolling').' '.$ENV{'form.cuname'}." \@ ". $ENV{'form.lcdomain'}.'

'); if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&& ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) { # Deal with home server selection my $domain=$ENV{'form.lcdomain'}; my $desiredhost = $ENV{'form.lcserver'}; if (lc($desiredhost) eq 'default') { $desiredhost = undef; } else { my %home_servers =&Apache::loncommon::get_library_servers($domain); 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. &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'}, $desiredhost); if ($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 { $r->print(&mt('Invalid username or domain')); } } sub setup_date_selectors { my ($starttime,$endtime,$mode) = @_; if (! defined($starttime)) { $starttime = time; unless ($mode eq 'createcourse') { 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 'createcourse') { $startdateform = &Apache::lonhtmlcommon::date_setter('ccrs', 'startdate', $starttime); $enddateform = &Apache::lonhtmlcommon::date_setter('ccrs', 'enddate', $endtime); } return ($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 $dateDefault = ''. ' '. &mt('make these dates the default for future enrollment'); if ($mode eq 'createcourse') { $dateDefault = ' '; } my $perpetual = ''; my $result = ''; $result .= "\n"; $result .= ''. ''. ''."\n"; $result .= ''. ''. ''."\n"; $result .= "
'.&mt('Starting Date').''.$startform.''.$dateDefault.'
'.&mt('Ending Date').''.$endform.''.$perpetual.'
\n"; return $result; } sub make_dates_default { my ($startdate,$enddate) = @_; my $result = ''; my $dom = $ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; my $crs = $ENV{'course.'.$ENV{'request.course.id'}.'.num'}; my $put_result = &Apache::lonnet::put('environment', {'default_enrollment_start_date'=>$startdate, 'default_enrollment_end_date' =>$enddate},$dom,$crs); if ($put_result eq 'ok') { $result .= "Set default start and end dates for course
"; # # Refresh the course environment &Apache::lonnet::coursedescription($ENV{'request.course.id'}); } else { $result .= &mt('Unable to set default dates for course').":".$put_result. '
'; } return $result; } ## ## Single student enrollment routines (some of them) ## sub get_student_username_domain_form { my $r = shift; my $domform = &Apache::loncommon::select_dom_form ($ENV{'course.'.$ENV{'request.course.id'}.'.domain'},'cudomain',0); my %lt=&Apache::lonlocal::texthash( 'eos' => "Enroll One Student", 'usr' => "Username", 'dom' => "Domain", 'been' => "Begin Enrollment", ); $r->print(<

$lt{'eos'}

$lt{'usr'}:
$lt{'dom'}: $domform
 
END return; } sub print_enroll_single_student_form { my $r=shift; $r->print("

".&mt('Enroll One Student')."

"); # my $username = $ENV{'form.cuname'}; my $domain = $ENV{'form.cudomain'}; my $home = &Apache::lonnet::homeserver($username,$domain); # $new_user flags whether we are creating a new user or using an old one my $new_user = 1; if ($home ne 'no_host') { $new_user = 0; } # my $user_data_html = ''; my $javascript_validations = ''; if ($new_user) { my $defdom=$ENV{'course.'.$ENV{'request.course.id'}.'.domain'}; # Set up authentication forms my ($krbdef,$krbdefdom) = &Apache::loncommon::get_kerberos_defaults($domain); $javascript_validations=&javascript_validations('auth',$krbdefdom); my %param = ( formname => 'document.studentform', kerb_def_dom => $krbdefdom, kerb_def_auth => $krbdef ); my $krbform = &Apache::loncommon::authform_kerberos(%param); my $intform = &Apache::loncommon::authform_internal(%param); my $locform = &Apache::loncommon::authform_local(%param); # # Set up domain selection form my $homeserver_form = ''; my %servers = &Apache::loncommon::get_library_servers($domain); $homeserver_form = '\n"; # # my %lt=&Apache::lonlocal::texthash( 'udf' => "User Data for", 'fn' => "First Name", 'mn' => "Middle Name", 'ln' => "Last Name", 'gen' => "Generation", 'hs' => "Home Server", 'pswd' => "Password", 'psam' => "Please select an authentication mechanism", ); $user_data_html = <$lt{'udf'} $username\@$domain
$lt{'fn'}:
$lt{'mn'}:
$lt{'ln'}:
$lt{'gen'}:
$lt{'hs'}: $homeserver_form

$lt{'pswd'}

$lt{'psam'}

$krbform
$intform
$locform

END } else { # User already exists. Do not worry about authentication my %uenv = &Apache::lonnet::dump('environment',$domain,$username); $javascript_validations = &javascript_validations('noauth'); my %lt=&Apache::lonlocal::texthash( 'udf' => "User Data for", 'fn' => "First Name", 'mn' => "Middle Name", 'ln' => "Last Name", 'gen' => "Generation", ); $user_data_html = <$lt{'udf'} $username\@$domain
$lt{'fn'}:
$lt{'mn'}:
$lt{'ln'}:
$lt{'gen'}:
END } my $date_table = &date_setting_table(); # Print it all out my %lt=&Apache::lonlocal::texthash( 'cd' => "Course Data", 'gs' => "Group/Section", 'idsn' => "ID/Student Number", 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)", 'eas' => "Enroll as student", ); $r->print(< $user_data_html

$lt{'cd'}

$lt{'gs'}:

$date_table

$lt{'idsn'}

$lt{'idsn'}:

$lt{'disn'}

END return; } # ========================================================= Menu Phase Two Drop sub print_drop_menu { my $r=shift; $r->print("

".&mt('Drop Students')."

"); my $cid=$ENV{'request.course.id'}; my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist(); if (! defined($classlist)) { $r->print(&mt('There are no students currently enrolled.')."\n"); return; } # Print out the available choices &show_drop_list($r,$classlist,$keylist); return; } # ============================================== view classlist sub print_html_classlist { my $r=shift; if (! exists($ENV{'form.sortby'})) { $ENV{'form.sortby'} = 'username'; } if ($ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) { $ENV{'form.Status'} = 'Active'; } my $status_select = &Apache::lonhtmlcommon::StatusOptions ($ENV{'form.Status'},'studentform'); my $cid=$ENV{'request.course.id'}; my $cdom=$ENV{'course.'.$cid.'.domain'}; my $cnum=$ENV{'course.'.$cid.'.num'}; # -------------------------------------------------------- Get course personnel my %coursepersonnel=&Apache::lonnet::get_course_adv_roles($cdom.'/'.$cnum); $r->print(''); foreach (sort keys %coursepersonnel) { $r->print(''); } $r->print('
'.$_.''); foreach (split(/\,/,$coursepersonnel{$_})) { my ($puname,$pudom)=split(/\:/,$_); $r->print(' '.&Apache::loncommon::aboutmewrapper( &Apache::loncommon::plainname($puname, $pudom),$puname,$pudom)); } $r->print('
'); # --------------------------------------------------------------- Student roles my $CCL=&mt('Current Class List'); $r->print(<

$CCL       END if ($ENV{'form.action'} ne 'modifystudent') { my %lt=&Apache::lonlocal::texthash( 'ef' => "Excel format", 'ss' => "Student Status", ); $r->print(< CSV format          $lt{'ef'}       $lt{'ss'}: END } $r->print($status_select."

\n"); my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist(); if (! defined($classlist)) { $r->print(&mt('There are no students currently enrolled.')."\n"); } else { # Print out the available choices if ($ENV{'form.action'} eq 'modifystudent') { &show_class_list($r,'view','modify','modifystudent', $ENV{'form.Status'},$classlist,$keylist); } else { &show_class_list($r,'view','aboutme','classlist', $ENV{'form.Status'},$classlist,$keylist); } } } # ============================================== view classlist sub print_formatted_classlist { my $r=shift; my $mode = shift; my $cid=$ENV{'request.course.id'}; my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist(); if (! defined($classlist)) { $r->print(&mt('There are no students currently enrolled.')."\n"); } else { &show_class_list($r,$mode,'nolink','csv', $ENV{'form.Status'},$classlist,$keylist); } } # =================================================== Show student list to drop sub show_class_list { my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_; my $cid=$ENV{'request.course.id'}; # # Variables for excel output my ($excel_workbook, $excel_sheet, $excel_filename,$row); # my $sortby = $ENV{'form.sortby'}; if ($sortby !~ /^(username|domain|section|fullname|id)$/) { $sortby = 'username'; } # Print out header if ($mode eq 'view') { if ($linkto eq 'aboutme') { $r->print(&mt('Select a user name to view the users personal page.')); } elsif ($linkto eq 'modify') { $r->print(&mt('Select a user name to modify the students information')); } my %lt=&Apache::lonlocal::texthash( 'usrn' => "username", 'dom' => "domain", 'sn' => "student name", 'sec' => "section", ); $r->print(<

END } elsif ($mode eq 'csv') { if($statusmode eq 'Expired') { $r->print(&mt('Students with expired roles')); } if ($statusmode eq 'Any') { $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID", &mt("student name"),&mt("section"),&mt("status"))). '"'."\n"); } else { $r->print('"'.join('","',(&mt("username"),&mt("domain"),"ID", &mt("student name"),&mt("section"))).'"'."\n"); } } elsif ($mode eq 'excel') { # Create the excel spreadsheet $excel_filename = '/prtspool/'. $ENV{'user.name'}.'_'.$ENV{'user.domain'}.'_'. time.'_'.rand(1000000000).'.xls'; $excel_workbook = Spreadsheet::WriteExcel->new('/home/httpd'. $excel_filename); $excel_workbook->set_tempdir('/home/httpd/perl/tmp'); $excel_sheet = $excel_workbook->addworksheet('classlist'); # my $description = 'Class List for '. $ENV{'course.'.$ENV{'request.course.id'}.'.description'}; $excel_sheet->write($row++,0,$description); # $excel_sheet->write($row++,0,["username","domain","ID", "student name","section","status"]); } # # Sort the students my %index; my $i; foreach (@$keylist) { $index{$_} = $i++; } 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 $username = $classlist->{$student}->[$index{'username'}]; my $domain = $classlist->{$student}->[$index{'domain'}]; my $section = $classlist->{$student}->[$index{'section'}]; my $name = $classlist->{$student}->[$index{'fullname'}]; my $id = $classlist->{$student}->[$index{'id'}]; my $status = $classlist->{$student}->[$index{'status'}]; next if (($statusmode ne 'Any') && ($status ne $statusmode)); if ($mode eq 'view') { $r->print("\n END } elsif ($mode eq 'csv') { # no need to bother with $linkto my @line = (); foreach ($username,$domain,$id,$name,$section) { push @line,&Apache::loncommon::csv_translate($_); } if ($statusmode eq 'Any') { push @line,&Apache::loncommon::csv_translate($status); } my $tmp = $"; $" = '","'; $r->print("\"@line\"\n"); $" = $tmp; } elsif ($mode eq 'excel') { $excel_sheet->write($row++,0,[$username,$domain,$id, $name,$section,$status]); } } if ($mode eq 'view') { $r->print('
$lt{'usrn'} $lt{'dom'} ID $lt{'sn'} $lt{'sec'}
\n "); if ($linkto eq 'nothing') { $r->print($username); } elsif ($linkto eq 'aboutme') { $r->print(&Apache::loncommon::aboutmewrapper($username, $username, $domain)); } elsif ($linkto eq 'modify') { $r->print(''. $username."\n"); } $r->print(<<"END"); $domain $id $name $section

'); } elsif ($mode eq 'excel') { $excel_workbook->close(); $r->print('

'. &mt('Your Excel spreadsheet').' '.&mt('is ready for download').'.

'."\n"); } } # # 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'], $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.').'

'); return; } # determine the students starting and ending times and section my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom); if ($starttime =~ /^error/) { $r->print('

'&mt('Error').'

'); $r->print('

'.$starttime.'

'); return; } # Deal with date forms my $date_table = &date_setting_table($starttime,$endtime); # if (! exists($ENV{'form.Status'}) || $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) { $ENV{'form.Status'} = 'crap'; } # Make sure student is enrolled in course my %lt=&Apache::lonlocal::texthash( 'mef' => "Modify Enrollment for", 'odcc' => "Only domain coordinators can change a users password.", 'sn' => "Student Name", 'fn' => "First", 'mn' => "Middle", 'ln' => "Last", 'gen' => "Generation", 'sid' => "Student ID", 'disn' => "Disable ID/Student Number Safeguard and Force Change of Conflicting IDs (only do if you know what you are doing)", 'sec' => "Section", 'sm' => "Submit Modifications", ); $r->print(< $lt{'odcc'}

$lt{'mef'} $info{'firstname'} $info{'middlename'} $info{'lastname'} $info{'generation'}, $sname\@$sdom

$lt{'sn'}
$lt{'fn'}$lt{'mn'}$lt{'ln'}$lt{'gen'}

$lt{'sid'}:

$lt{'disn'}

$lt{'sec'}:

$date_table

END return; } # # modify a single students section # sub modify_single_student { my $r = shift; # # Remove non alphanumeric values from the section $ENV{'form.section'} =~ s/\W//g; # # Do the date defaults first my ($starttime,$endtime) = &get_dates_from_form(); if ($ENV{'form.makedatesdefault'}) { $r->print(&make_dates_default($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'], $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 $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", 'sec' => "Section", 'ri' => "Role Information", 'st' => "Start Time", 'et' => "End Time", ); $r->print(<$lt{'mdu'} $slogin \@ $sdom

$lt{'si'}

$lt{'fd'} $lt{'ov'} $lt{'nv'}
$lt{'fn'} $old{'firstname'} $firstname
$lt{'mn'} $old{'middlename'} $middlename
$lt{'ln'} $old{'lastname'} $lastname
$lt{'gen'} $old{'generation'} $generation
ID $old{'id'} $sid
$lt{'sec'} $old{'section'} $section

$lt{'ri'}

$lt{'st'}: $displayable_starttime
$lt{'et'}: $displayable_endtime

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 $modify_section_results = &modifystudent($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.')."
"); } my $roleresults = &Apache::lonnet::modifystudent ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname, $generation,$section,$endtime,$starttime,$ENV{'form.forceid'}); if ($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(<

$Masd END return; } sub get_enrollment_data { my ($sname,$sdomain) = @_; my $courseid = $ENV{'request.course.id'}; $courseid =~ s:_:/:g; my %roles = &Apache::lonnet::dump('roles',$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=~ /^\/$courseid\/*\s*(\w+)*_st$/ ) { # # 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|fullname|id)$/) { $sortby = 'username'; } # my $action = "drop"; $r->print(<

END if ($nosort) { my %lt=&Apache::lonlocal::texthash( 'usrn' => "username", 'dom' => "domain", 'sn' => "student name", 'sec' => "section", ); $r->print(<   $lt{'usrn'} $lt{'dom'} ID $lt{'sn'} $lt{'sec'} END } else { my %lt=&Apache::lonlocal::texthash( 'usrn' => "username", 'dom' => "domain", 'sn' => "student name", 'sec' => "section", ); $r->print(<   $lt{'usrn'} $lt{'dom'} ID $lt{'sn'} $lt{'sec'} END } # # Sort the students my %index; my $i; foreach (@$keylist) { $index{$_} = $i++; } 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 $username = $classlist->{$student}->[$index{'username'}]; my $domain = $classlist->{$student}->[$index{'domain'}]; my $section = $classlist->{$student}->[$index{'section'}]; my $name = $classlist->{$student}->[$index{'fullname'}]; my $id = $classlist->{$student}->[$index{'id'}]; my $status = $classlist->{$student}->[$index{'status'}]; next if ($status ne 'Active'); # $r->print(<<"END"); $username $domain $id $name $section END } $r->print('
'); my %lt=&Apache::lonlocal::texthash( 'dp' => "Drop Students", 'ca' => "check all", 'ua' => "uncheck all", ); $r->print(<<"END");

 

END return; } # # Print out the initial form to get the courselist file # sub print_first_courselist_upload_form { my $r=shift; my $str; $str = ''; $str .= ''; $str .= ''; $str .= "

".&mt('Upload a class list')."

\n"; $str .= &Apache::loncommon::upfile_select_html(); $str .= "

\n"; $str .= ''."\n"; $str .= ' '. &mt('Ignore First Line')."

\n"; $str .= &Apache::loncommon::help_open_topic("Course_Create_Class_List", &mt("How do I create a class list from a spreadsheet")). "
\n"; $str .= &Apache::loncommon::help_open_topic("Course_Convert_To_CSV", &mt("How do I create a CSV file from a spreadsheet")). "
\n"; $str .= "\n\n"; $r->print($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') { $desiredhost = undef; } else { my %home_servers = &Apache::loncommon::get_library_servers($domain); if (! exists($home_servers{$desiredhost})) { $r->print(''.&mt('Error').''. &mt('Invalid home server specified')); $r->print("\n\n"); 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.').'

'); $amode = ''; # This causes the loop below to be skipped } } unless (($domain=~/\W/) || ($amode eq '')) { ####################################### ## Enroll Students ## ####################################### $r->print('

'.&mt('Enrolling Students')."

\n

\n"); my $count=0; my $flushc=0; my %student=(); # Get new classlist foreach (@studentdata) { my %entries=&Apache::loncommon::record_sep($_); # 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'}}=~/\W/) { $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; # 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 || $ENV{'form.login'} eq 'loc') { &modifystudent($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

\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('Dropping Students')."

\n"); # Get current classlist my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist(); if (! defined($classlist)) { $r->print(&mt('There are no students currently enrolled.'). "\n"); } else { # Remove the students we just added from the list of students. foreach (@studentdata) { my %entries=&Apache::loncommon::record_sep($_); unless (($entries{$fields{'username'}} eq '') || (!defined($entries{$fields{'username'}}))) { delete($classlist->{$entries{$fields{'username'}}. ':'.$domain}); } } # Print out list of dropped students. &show_drop_list($r,$classlist,$keylist,'nosort'); } } } # end of unless } # ================================================================== Phase four sub drop_student_list { my $r=shift; my $count=0; my @droplist; if (ref($ENV{'form.droplist'})) { @droplist = @{$ENV{'form.droplist'}}; } else { @droplist = ($ENV{'form.droplist'}); } foreach (@droplist) { my ($uname,$udom)=split(/\:/,$_); # drop student my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'}); if ($result eq 'ok' || $result eq 'ok:') { $r->print(&mt('Dropped [_1]',$uname.'@'.$udom).'
'); $count++; } else { $r->print( &mt('Error dropping [_1]:[_2]',$uname.'@'.$udom,$result). '
'); } } $r->print('

'.&mt('Dropped [_1] student(s).',$count).'

'); $r->print('

'.&mt('Re-enrollment will re-activate data.')) if ($count); } ################################################################### ################################################################### =pod =item &handler The typical handler you see in all these modules. Takes $r, the http request, as an argument. The response to the request is governed by two form variables form.action form.state response --------------------------------------------------- undefined undefined print main menu upload undefined print courselist upload menu upload got_file deal with uploaded file, print the upload managing menu upload enrolling enroll students based on upload drop undefined print the classlist ready to drop drop done drop the selected students enrollstudent undefined print student username domain form enrollstudent gotusername print single student enroll menu enrollstudent enrolling enroll student classlist undefined print html classlist classlist csv print csv classlist modifystudent undefined print classlist to select student to modify modifystudent selected print modify student menu modifystudent done make modifications to student record =cut ################################################################### ################################################################### sub handler { my $r=shift; if ($r->header_only) { &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; return OK; } &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, ['action','state']); # Needs to be in a course if (! (($ENV{'request.course.fn'}) && (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'})))) { # Not in a course, or not allowed to modify parms $ENV{'user.error.msg'}= "/adm/dropadd:cst:0:0:Cannot drop or add students"; return HTTP_NOT_ACCEPTABLE; } # # Only output the header information if they did not request csv format # if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) { $r->content_type('text/csv'); } else { # Start page &Apache::loncommon::content_type($r,'text/html'); $r->send_http_header; $r->print(&header()); } # # Main switch on form.action and form.state, as appropriate if (! exists($ENV{'form.action'})) { &print_main_menu($r); } elsif ($ENV{'form.action'} eq 'upload') { if (! exists($ENV{'form.state'})) { &print_first_courselist_upload_form($r); } elsif ($ENV{'form.state'} eq 'got_file') { &print_upload_manager_form($r); } elsif ($ENV{'form.state'} eq 'enrolling') { if ($ENV{'form.datatoken'}) { &upfile_drop_add($r); } else { # Hmmm, this is an error } } else { &print_first_courselist_upload_form($r); } } elsif ($ENV{'form.action'} eq 'drop') { if (! exists($ENV{'form.state'})) { &print_drop_menu($r); } elsif ($ENV{'form.state'} eq 'done') { &drop_student_list($r); } else { &print_drop_menu($r); } } elsif ($ENV{'form.action'} eq 'enrollstudent') { if (! exists($ENV{'form.state'})) { &get_student_username_domain_form($r); } elsif ($ENV{'form.state'} eq 'gotusername') { &print_enroll_single_student_form($r); } elsif ($ENV{'form.state'} eq 'enrolling') { &enroll_single_student($r); } else { &get_student_username_domain_form($r); } } elsif ($ENV{'form.action'} eq 'classlist') { if (! exists($ENV{'form.state'})) { &print_html_classlist($r); } elsif ($ENV{'form.state'} eq 'csv') { &print_formatted_classlist($r,'csv'); } elsif ($ENV{'form.state'} eq 'excel') { &print_formatted_classlist($r,'excel'); } else { &print_html_classlist($r); } } elsif ($ENV{'form.action'} eq 'modifystudent') { if (! exists($ENV{'form.state'})) { &print_html_classlist($r); } elsif ($ENV{'form.state'} eq 'selected') { &print_modify_student_form($r); } elsif ($ENV{'form.state'} eq 'done') { &modify_single_student($r); } else { &print_html_classlist($r); } } else { # We should not end up here, but I guess it is possible &Apache::lonnet::logthis("Undetermined state in londropadd.pm. ". "form.action = ".$ENV{'form.action'}. "Someone should fix this."); &print_main_menu($r); } # # Finish up if (exists($ENV{'form.state'}) && ($ENV{'form.state'} eq 'csv')) { $r->print("\n"); } else { $r->print('

'); } return OK; } ################################################################### ################################################################### 1; __END__