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Diff for /loncom/interface/Attic/londropadd.pm between versions 1.32 and 1.53

version 1.32, 2002/04/26 19:10:54 version 1.53, 2002/09/25 16:16:19
Line 31 Line 31
 #  #
 # (TeX Content Handler  # (TeX Content Handler
 #  #
 # YEAR=2000  ###############################################################
 # 05/29/00,05/30,10/11 Gerd Kortemeyer)  ###############################################################
 #  
 # 10/11,10/12,10/16 Gerd Kortemeyer)  
 #  
 # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,  
 # 12/08,12/12 Gerd Kortemeyer)  
 #  
 # 12/26,12/27,12/28,  
 # YEAR=2001  
 # 01/01/01,01/15,02/10,02/13,02/14,02/22 Gerd Kortemeyer  
 # 8/6 Scott Harrison  
 # Guy Albertelli  
 # 9/25 Gerd Kortemeyer  
 # 12/19 Guy Albertelli  
 # YEAR=2002  
 # 1/4 Gerd Kortemeyer  
   
 package Apache::londropadd;  package Apache::londropadd;
   
 use strict;  use strict;
 use Apache::lonnet();  use Apache::lonnet();
 use Apache::loncommon();  use Apache::loncommon();
   use Apache::lonhtmlcommon();
 use Apache::Constants qw(:common :http REDIRECT);  use Apache::Constants qw(:common :http REDIRECT);
   
 # ================================================================ Print header  ###############################################################
   ###############################################################
 sub header {  sub header {
       my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
     return(<<ENDHEAD);      return(<<ENDHEAD);
 <html>  <html>
 <head>  <head>
 <title>LON-CAPA Student Drop/Add</title>  <title>LON-CAPA Enrollment Manager</title>
 </head>  </head>
 <body bgcolor="#FFFFFF">  $bodytag
 <img align=right src=/adm/lonIcons/lonlogos.gif>  <form method="post" enctype="multipart/form-data"  
 <h1>Drop/Add Students</h1>        action="/adm/dropadd" name="studentform">
 <form method="post" enctype="multipart/form-data"  
 action="/adm/dropadd" name="studentform">  
 <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>  
 ENDHEAD  ENDHEAD
 }  }
   
 # =========== Drop student from all sections of a course, except optional $csec  ###############################################################
   ###############################################################
   # Drop student from all sections of a course, except optional $csec
 sub modifystudent {  sub modifystudent {
     my ($udom,$unam,$courseid,$csec)=@_;      my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
     # if $csec is undefined, drop the student from all the courses matching      # 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 one.  If $csec is defined, drop them from all other sections of 
     # this course and add them to section $csec      # this course and add them to section $csec
Line 84  sub modifystudent { Line 70  sub modifystudent {
     my %roles = &Apache::lonnet::dump('roles',$udom,$unam);      my %roles = &Apache::lonnet::dump('roles',$udom,$unam);
     my ($tmp) = keys(%roles);      my ($tmp) = keys(%roles);
     # Bail out if we were unable to get the students roles      # Bail out if we were unable to get the students roles
     return if ($tmp =~ /^(con_lost|error|no_such_host)/i);      return "$1" if ($tmp =~ /^(con_lost|error|no_such_host)/i);
     # Go through the roles looking for enrollment in this course      # Go through the roles looking for enrollment in this course
       my $result = '';
     foreach my $course (keys(%roles)) {      foreach my $course (keys(%roles)) {
         my $value = $roles{$course};          if ($course=~/^$courseid(?:\/)*(?:\s+)*(\w+)*\_st$/) {
         if ($course=~/^$courseid(?:\/)*(\w+)*\_st$/) {  
             # We are in this course              # We are in this course
             my $section=$1;              my $section=$1;
             $section='' if ($course eq $courseid.'_st');              $section='' if ($course eq $courseid.'_st');
             if (((!$section) && (!$csec)) || ($section ne $csec)) {              if ( ((!$section) && (!$csec)) || ($section ne $csec) ) {
                 my (undef,$end,$start)=split(/\_/,$roles{$course});                  my (undef,$end,$start)=split(/\_/,$roles{$course});
                 my $now=time;                  my $now=time;
                   # if this is an active role 
                 if (!($start && ($now<$start)) || !($end && ($now>$end))) {                  if (!($start && ($now<$start)) || !($end && ($now>$end))) {
                     my $reply=&Apache::lonnet::modifystudent                      my $reply=&Apache::lonnet::modifystudent
                         ($udom,$unam,'','','','','','','',$section,time);                          ($udom,$unam,'','','','','','','',
                            $section,time,undef,undef,$desiredhost);
                       $result .= $reply.':';
                 }                  }
             }              }
         }          }
     }      }
       if ($result eq '') {
           $result eq 'Unable to find section for this student';
       } else {
           $result =~ s/(ok:)+/ok/g;
       }
       return $result;
 }  }
   
 # ============ build a domain and server selection form  ###############################################################
   ###############################################################
   # build a domain and server selection form
 sub domain_form {  sub domain_form {
     my ($defdom) = @_;      my ($defdom) = @_;
     # Set up domain and server selection forms      # Set up domain and server selection forms
Line 121  sub domain_form { Line 118  sub domain_form {
         $select_menus{$dom}->{'default'}= 'default';          $select_menus{$dom}->{'default'}= 'default';
         $select_menus{$dom}->{'select2'}->{'default'} = 'default';          $select_menus{$dom}->{'select2'}->{'default'} = 'default';
         # Now build up the other items in the second menu          # Now build up the other items in the second menu
         my %servers = &Apache::loncommon::get_home_servers($dom);          my %servers = &Apache::loncommon::get_library_servers($dom);
         foreach my $server (keys(%servers)) {          foreach my $server (keys(%servers)) {
             $select_menus{$dom}->{'select2'}->{$server}               $select_menus{$dom}->{'select2'}->{$server} 
                                             = "$server $servers{$server}";                                              = "$server $servers{$server}";
Line 133  sub domain_form { Line 130  sub domain_form {
     return $result;      return $result;
 }  }
   
 # ============================================================== Menu Phase One  ###############################################################
 sub menu_phase_one {  ###############################################################
   #  Menu Phase One
   sub print_main_menu {
     my $r=shift;      my $r=shift;
     my $upfile_select=&Apache::loncommon::upfile_select_html();      $r->print(<<END);
     $r->print(<<ENDUPFORM);  <p>
 <input type=hidden name=phase value=two>  <font size="+1">
 <hr>      <a href="/adm/dropadd?action=upload">Upload a course list</a>
 <h3>Upload a courselist</h3>  </font>
 $upfile_select  </p><p>
 <p><input type=submit name=fileupload value="Upload Courselist">  <font size="+1">
 <hr>      <a href="/adm/dropadd?action=enrollstudent">Enroll a single student</a>
 <h3>Enroll a single student</h3>  </font>
 <p><input type=submit name=enroll value="Enroll Student">  </p><p>
 <hr>  <font size="+1">
 <h3>Drop students</h3>      <a href="/adm/dropadd?action=modifystudent">Modify student data</a>
 <p><input type=submit name=drop value="Selection List">  </font>
 ENDUPFORM  </p><p>
   <font size="+1">
       <a href="/adm/dropadd?action=classlist">View Classlist</a>
   </font>
   </p><p>
   <font size="+1">
       <a href="/adm/dropadd?action=drop">Drop Students</a>
   </font>
   </p>
   END
 }  }
   
 sub phase_two_header {  ###############################################################
   ###############################################################
   sub print_upload_manager_header {
     my ($r,$datatoken,$distotal,$krbdefdom)=@_;      my ($r,$datatoken,$distotal,$krbdefdom)=@_;
     my $javascript;      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') {      if ($ENV{'form.upfile_associate'} eq 'reverse') {
  $javascript=&phase_two_javascript_reverse_associate();   $javascript=&upload_manager_javascript_reverse_associate();
     } else {      } else {
  $javascript=&phase_two_javascript_forward_associate();   $javascript=&upload_manager_javascript_forward_associate();
     }      }
     my $javascript_validations=&javascript_validations($krbdefdom);      my $javascript_validations=&javascript_validations($krbdefdom);
     $r->print(<<ENDPICK);      $r->print(<<ENDPICK);
   <h3>Uploading Class List</h3>
 <hr>  <hr>
 <h3>Identify fields</h3>  <h3>Identify fields</h3>
 Total number of records found in file: $distotal <hr />  Total number of records found in file: $distotal <hr />
 Enter as many fields as you can. The system will inform you and bring you back  Enter as many fields as you can. The system will inform you and bring you back
 to this page if the data selected is insufficient to run your class.<hr />  to this page if the data selected is insufficient to run your class.<hr />
 <input type="submit" name="associate"  value="Reverse Association" />  <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
 <input type="hidden" name="phase"      value="three" />  <input type="hidden" name="action"     value="upload" />
   <input type="hidden" name="state"      value="got_file" />
   <input type="hidden" name="associate"  value="" />
 <input type="hidden" name="datatoken"  value="$datatoken" />  <input type="hidden" name="datatoken"  value="$datatoken" />
 <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />  <input type="hidden" name="fileupload" value="$ENV{'form.fileupload'}" />
 <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />  <input type="hidden" name="upfiletype" value="$ENV{'form.upfiletype'}" />
Line 182  $javascript_validations Line 205  $javascript_validations
 ENDPICK  ENDPICK
 }  }
   
   ###############################################################
   ###############################################################
 sub javascript_validations {  sub javascript_validations {
     my ($krbdefdom)=@_;      my ($krbdefdom)=@_;
     my %param = ( formname => 'studentform',      my %param = ( formname => 'studentform',
Line 242  function verify_message (vf,founduname,f Line 267  function verify_message (vf,founduname,f
        message+='Continue enrollment?';         message+='Continue enrollment?';
        if (confirm(message)) {         if (confirm(message)) {
   pclose();    pclose();
             vf.state.value='enrolling';
   vf.submit();    vf.submit();
        }         }
     } else {      } else {
       pclose();        pclose();
         vf.state.value='enrolling';
       vf.submit();        vf.submit();
     }      }
 }  }
Line 283  ENDPICK Line 310  ENDPICK
   
 }  }
   
 sub phase_two_javascript_forward_associate {  ###############################################################
   ###############################################################
   sub upload_manager_javascript_forward_associate {
     return(<<ENDPICK);      return(<<ENDPICK);
 function verify(vf) {  function verify(vf) {
     var founduname=0;      var founduname=0;
Line 303  function verify(vf) { Line 332  function verify(vf) {
     verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);      verify_message(vf,founduname,foundpwd,foundname,foundid,foundsec);
 }  }
   
   //
   // 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)
   //
 function flip(vf,tf) {  function flip(vf,tf) {
    var nw=eval('vf.f'+tf+'.selectedIndex');     var nw=eval('vf.f'+tf+'.selectedIndex');
    var i;     var i;
      // make sure no other columns are labeled the same as this one
    for (i=0;i<=vf.nfields.value;i++) {     for (i=0;i<=vf.nfields.value;i++) {
       if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {        if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
           eval('vf.f'+i+'.selectedIndex=0;')            eval('vf.f'+i+'.selectedIndex=0;')
       }        }
    }     }
    if (tf==1 && nw!=0) {     // If we set this to 'lastname, firstnames', clear out all the ones
       for (i=2;i<=5;i++) {     // set to 'fname','mname','lname','gen' (3,4,5,6) currently.
          eval('vf.f'+i+'.selectedIndex=0;')  
       }  
    }  
    if (nw==2) {     if (nw==2) {
       for (i=0;i<=vf.nfields.value;i++) {        for (i=0;i<=vf.nfields.value;i++) {
          if ((eval('vf.f'+i+'.selectedIndex')>=3) &&           if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
Line 324  function flip(vf,tf) { Line 368  function flip(vf,tf) {
          }           }
       }        }
    }     }
      // 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)) {     if ((nw>=3) && (nw<=6)) {
       for (i=0;i<=vf.nfields.value;i++) {        for (i=0;i<=vf.nfields.value;i++) {
          if (eval('vf.f'+i+'.selectedIndex')==2) {           if (eval('vf.f'+i+'.selectedIndex')==2) {
Line 331  function flip(vf,tf) { Line 377  function flip(vf,tf) {
          }           }
       }        }
    }     }
      // If we set the password, make the password form below correspond to 
      // the new value.
    if (nw==9) {     if (nw==9) {
        changed_radio('int',document.studentform);         changed_radio('int',document.studentform);
        set_auth_radio_buttons('int',document.studentform);         set_auth_radio_buttons('int',document.studentform);
Line 352  function clearpwd(vf) { Line 400  function clearpwd(vf) {
 ENDPICK  ENDPICK
 }  }
   
 sub phase_two_javascript_reverse_associate {  ###############################################################
   ###############################################################
   sub upload_manager_javascript_reverse_associate {
     return(<<ENDPICK);      return(<<ENDPICK);
 function verify(vf) {  function verify(vf) {
     var founduname=0;      var founduname=0;
Line 405  function clearpwd(vf) { Line 455  function clearpwd(vf) {
 ENDPICK  ENDPICK
 }  }
   
 sub phase_two_end {  ###############################################################
   ###############################################################
   sub print_upload_manager_footer {
     my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;      my ($r,$i,$keyfields,$defdom,$today,$halfyear)=@_;
     my %param = ( formname => 'document.studentform');      my %param = ( formname => 'document.studentform');
     my $krbform = &Apache::loncommon::authform_kerberos(%param);      my $krbform = &Apache::loncommon::authform_kerberos(%param);
Line 449  LON-CAPA domain: $domform <p> Line 501  LON-CAPA domain: $domform <p>
 <input type=checkbox name=forceid value=yes>   <input type=checkbox name=forceid value=yes> 
 Disable ID/Student Number Safeguard and Force Change of Conflicting IDs  Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
 (only do if you know what you are doing)<p>  (only do if you know what you are doing)<p>
 <input type="button" onClick="verify(this.form)" value="Update Courselist"><br>  <input type="button" onClick="javascript:verify(this.form)" value="Update Courselist" /><br />
 Note: for large courses, this operation might be time consuming.  Note: for large courses, this operation may be time consuming.
 ENDPICK  ENDPICK
 }  }
   
 # ======================================================= Menu Phase Two Upload  # ======================================================= Menu Phase Two Upload
 sub menu_phase_two_upload {  sub print_upload_manager_form {
     my $r=shift;      my $r=shift;
   
     my $datatoken;      my $datatoken;
Line 474  sub menu_phase_two_upload { Line 526  sub menu_phase_two_upload {
     my $today=time;      my $today=time;
     my $halfyear=$today+15552000;      my $halfyear=$today+15552000;
     my $defdom=$r->dir_config('lonDefDomain');      my $defdom=$r->dir_config('lonDefDomain');
     &phase_two_header($r,$datatoken,$distotal,$krbdefdom);      &print_upload_manager_header($r,$datatoken,$distotal,$krbdefdom);
     my $i;      my $i;
     my $keyfields;      my $keyfields;
     if ($total>=0) {      if ($total>=0) {
  my @d=(['username','Username'],['names','Last Name, First Names'],   my @d=(['username','Username'],
        ['fname','First Name'],['mname','Middle Names/Initials'],                 ['names','Last Name, First Names'],
        ['lname','Last Name'],['gen','Generation'],         ['fname','First Name'],
        ['id','ID/Student Number'],['sec','Group/Section'],                 ['mname','Middle Names/Initials'],
          ['lname','Last Name'],
                  ['gen','Generation'],
          ['id','ID/Student Number'],
                  ['sec','Group/Section'],
        ['ipwd','Initial Password']);         ['ipwd','Initial Password']);
  if ($ENV{'form.upfile_associate'} eq 'reverse') {   if ($ENV{'form.upfile_associate'} eq 'reverse') {
     &Apache::loncommon::csv_print_samples($r,\@records);      &Apache::loncommon::csv_print_samples($r,\@records);
Line 495  sub menu_phase_two_upload { Line 551  sub menu_phase_two_upload {
     $keyfields=join(',',sort(keys(%sone)));      $keyfields=join(',',sort(keys(%sone)));
  }   }
     }      }
     &phase_two_end($r,$i,$keyfields,$defdom,$today,$halfyear);      &print_upload_manager_footer($r,$i,$keyfields,$defdom,$today,$halfyear);
 }  }
   
 # ======================================================= Enroll single student  # ======================================================= Enroll single student
 sub enroll_single_student {  sub enroll_single_student {
     my $r=shift;      my $r=shift;
     $r->print('<h3>Enrolling Student</h3>');      $r->print('<h3>Enrolling Student</h3>');
     $r->print($ENV{'form.cuname'}." in domain ".$ENV{'form.lcdomain'});      $r->print('<p>Enrolling '.$ENV{'form.cuname'}." in domain ".
                 $ENV{'form.lcdomain'}.'</p>');
     if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&      if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
         ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {          ($ENV{'form.lcdomain'})&&($ENV{'form.lcdomain'}!~/\W/)) {
         # Deal with home server selection          # Deal with home server selection
Line 511  sub enroll_single_student { Line 568  sub enroll_single_student {
         if (lc($desiredhost) eq 'default') {          if (lc($desiredhost) eq 'default') {
             $desiredhost = undef;              $desiredhost = undef;
         } else {          } else {
             my %home_servers = &Apache::loncommon::get_home_servers($domain);              my %home_servers =&Apache::loncommon::get_library_servers($domain);
             if (! exists($home_servers{$desiredhost})) {              if (! exists($home_servers{$desiredhost})) {
                 $r->print('<font color="#ff0000">Error:</font>'.                  $r->print('<font color="#ff0000">Error:</font>'.
                           'Invalid home server specified');                            'Invalid home server specified');
                 return;                  return;
             }              }
         }          }
         $r->print(" with server $desiredhost :");          $r->print(" with server $desiredhost :") if (defined($desiredhost));
         # End of home server selection logic          # End of home server selection logic
  my $amode='';   my $amode='';
         my $genpwd='';          my $genpwd='';
         if ($ENV{'form.login'} eq 'krb') {          if ($ENV{'form.login'} eq 'krb') {
            $amode='krb4';             $amode='krb';
      $amode.=$ENV{'form.krbver'};
            $genpwd=$ENV{'form.krbarg'};             $genpwd=$ENV{'form.krbarg'};
         } elsif ($ENV{'form.login'} eq 'int') {          } elsif ($ENV{'form.login'} eq 'int') {
            $amode='internal';             $amode='internal';
Line 533  sub enroll_single_student { Line 591  sub enroll_single_student {
     $genpwd=$ENV{'form.locarg'};      $genpwd=$ENV{'form.locarg'};
     if (!$genpwd) { $genpwd=" "; }      if (!$genpwd) { $genpwd=" "; }
  }   }
         if (($amode) && ($genpwd)) {          my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
                                                      $ENV{'form.lcdomain'});
           if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
               &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                              $ENV{'request.course.id'},$ENV{'form.csec'},
                               $desiredhost);
           $r->print(&Apache::lonnet::modifystudent(            $r->print(&Apache::lonnet::modifystudent(
                       $ENV{'form.lcdomain'},$ENV{'form.cuname'},                        $ENV{'form.lcdomain'},$ENV{'form.cuname'},
                       $ENV{'form.cstid'},$amode,$genpwd,                        $ENV{'form.cstid'},$amode,$genpwd,
Line 542  sub enroll_single_student { Line 605  sub enroll_single_student {
                       $ENV{'form.csec'},$ENV{'form.enddate'},                        $ENV{'form.csec'},$ENV{'form.enddate'},
                       $ENV{'form.startdate'},$ENV{'form.forceid'},                        $ENV{'form.startdate'},$ENV{'form.forceid'},
                     $desiredhost));                      $desiredhost));
             &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},  
                            $ENV{'request.course.id'},$ENV{'form.csec'});  
  } else {   } else {
            $r->print('Invalid login mode or password');                  $r->print('<p><font color="#ff0000">ERROR</font>&nbsp;'.
                         'Invalid login mode or password.  '.
                         'Unable to enroll '.$ENV{'form.cuname'}.'.</p>');
         }                    }          
     } else {      } else {
         $r->print('Invalid username or domain');          $r->print('Invalid username or domain');
Line 553  sub enroll_single_student { Line 616  sub enroll_single_student {
 }  }
   
 # ======================================================= Menu Phase Two Enroll  # ======================================================= Menu Phase Two Enroll
 sub menu_phase_two_enroll {  sub print_enroll_single_student_form {
     my $r=shift;      my $r=shift;
       $r->print("<h3>Enroll One Student</h3>");
     my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;      my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
     $krbdefdom=~tr/a-z/A-Z/;      $krbdefdom=~tr/a-z/A-Z/;
     my $today    = time;      my $today    = time;
Line 569  sub menu_phase_two_enroll { Line 633  sub menu_phase_two_enroll {
     # Set up domain selection form      # Set up domain selection form
     my $domform = &domain_form($defdom);      my $domform = &domain_form($defdom);
     # Print it all out      # Print it all out
     $r->print(<<ENDSENROLL);      $r->print(<<END);
   <input type="hidden" name="action" value="enrollstudent">
   <input type="hidden" name="state"  value="done">
   
 <script type="text/javascript" language="Javascript">  <script type="text/javascript" language="Javascript">
 function verify(vf) {  function verify(vf) {
     var founduname=0;      var founduname=0;
Line 607  function clearpwd(vf) { Line 674  function clearpwd(vf) {
   
 </script>  </script>
 <h3>Personal Data</h3>  <h3>Personal Data</h3>
 First Name:  <input type="text" name="cfirst"  size="15"><br>  <table>
 Middle Name: <input type="text" name="cmiddle" size="15"><br>  <tr><td>First Name:</td><td> <input type="text" name="cfirst"  size="15"></td></tr>
 Last Name:   <input type="text" name="clast"   size="15"><br>  <tr><td>Middle Name:</td><td> <input type="text" name="cmiddle" size="15"></td></tr>
 Generation:  <input type="text" name="cgen"    size="5">   <tr><td>Last Name: </td><td><input type="text" name="clast"   size="15"></td></tr>
   <tr><td>Generation: </td><td><input type="text" name="cgen"    size="5"> </td></tr>
 <p>ID/Student Number: <input type="text" name="cstid" size="10"></p>  </table>
   
 <p>Group/Section: <input type=text name=csec size=5></p>  
   
 <h3>Login Data</h3>  <h3>Login Data</h3>
 <p>Username: <input type="text" name="cuname"  size="15"></p>  <p>Username: <input type="text" name="cuname"  size="15"></p>
Line 627  $intform Line 692  $intform
 </p><p>  </p><p>
 $locform  $locform
 </p><p>  </p><p>
 <h3>Starting and Ending Dates</h3>  
 <input type="hidden" value='' name="pres_value">  <h3>Course Data</h3>
 <input type="hidden" value='' name="pres_type">  
 <input type="hidden" value='' name="pres_marker">  <p>Group/Section: <input type="text" name="csec" size="5" />
 <input type="hidden" value='$today' name=startdate>  <p>
 <input type="hidden" value='$halfyear' name=enddate>  <!-- Date setting form elements -->
   <input type="hidden" name="pres_value"  value='' />
   <input type="hidden" name="pres_type"   value='' />
   <input type="hidden" name="pres_marker" value='' />
   <input type="hidden" name="startdate"   value='$today'    />
   <input type="hidden" name="enddate"     value='$halfyear' />
 </p><p>  </p><p>
 <a   <a 
  href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"   href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
Line 641  $locform Line 711  $locform
 <a   <a 
  href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"   href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
 >Set Ending Date</a>  >Set Ending Date</a>
 </p><p>  </p>
 <h3>ID/Student Number</h3>  <h3>ID/Student Number</h3>
   <p>
   ID/Student Number: <input type="text" name="cstid" size="10">
   </p><p>
 <input type="checkbox" name="forceid" value="yes">   <input type="checkbox" name="forceid" value="yes"> 
 Disable ID/Student Number Safeguard and Force Change of Conflicting IDs  Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
 (only do if you know what you are doing)<p>  (only do if you know what you are doing)
 <input type="button" onClick="verify(this.form)" value="Enroll as student"><br>  </p><p>
 <input type="hidden" name="phase" value="five">  <input type="button" onClick="verify(this.form)" value="Enroll as student">
 </p>  </p>
 ENDSENROLL  END
       return;
 }  }
   
 # =================================================== get the current classlist  # =================================================== get the current classlist
 sub get_current_classlist {  sub get_current_classlist {
     my ($domain,$identifier) = @_;      my $r = shift;
     # domain is the domain the class is being run in      # Call DownloadClasslist
     # identifier is the internal, unique identifier for the class.      my $cid = $ENV{'request.course.id'};
     my %currentlist=();      my $c = $r->connection;
     my $now=time;      my $classlisthash = &Apache::loncoursedata::DownloadClasslist
     my %results=&Apache::lonnet::dump('classlist',$domain,$identifier);          ($cid,'Not downloaded',$c);
     my ($tmp) = keys(%results);      # Call ProcessClasslist
     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {      my %cache;
         foreach my $student (keys(%results)) {      my @students = &Apache::loncoursedata::ProcessClasslist(\%cache,
             # Extract the start and end dates                                                              $classlisthash,
             my ($end,$start)=split(/\:/,$results{$student});                                                              $cid,$c);
             # If the class isn't over, put it in the list      return (\@students,\%cache);
             unless (($end) && ($now>$end)) {   
                 $currentlist{$student}=1;  
             }  
         }  
         return (undef,%currentlist);  
     } else {  
         return ($tmp,undef);  
     }  
 }  }
   
 # ========================================================= Menu Phase Two Drop  # ========================================================= Menu Phase Two Drop
 sub menu_phase_two_drop {  sub print_drop_menu {
     my $r=shift;      my $r=shift;
       $r->print("<h3>Drop Students</h3>");
     my $cid=$ENV{'request.course.id'};      my $cid=$ENV{'request.course.id'};
     my ($error,%currentlist)=&get_current_classlist($ENV{'course.'.$cid.'.domain'},      my ($student_array,$student_data)=&get_current_classlist($r);
                                            $ENV{'course.'.$cid.'.num'});      if (! scalar(@$student_array)) {
     if (defined($error)) {          $r->print("There are no students currently enrolled.\n");
         $r->print('<pre>ERROR:$error</pre>');          return;
     }      }
     if (!defined(%currentlist)) {       # Print out the available choices
       &show_drop_list($student_array,$student_data,$r);
       return;
   }
   
   # ============================================== view classlist
   sub print_html_classlist {
       my $r=shift;
       $r->print(<<END);
   <p>
   <font size="+1">Current Classlist</font>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   <font size="+1"><a href="/adm/dropadd?action=classlist&state=csv">CSV format</a></font>
   </p>
   END
       my $cid=$ENV{'request.course.id'};
       my ($student_array,$student_data)=&get_current_classlist($r);
       if (! scalar(@$student_array)) {
         $r->print("There are no students currently enrolled.\n");          $r->print("There are no students currently enrolled.\n");
     } else {      } else {
         # Print out the available choices          # Print out the available choices
         &show_drop_list($r,%currentlist);          if ($ENV{'form.action'} eq 'modifystudent') {
               &show_class_list($r,'view','modify','modifystudent',
                                'any',$student_array,$student_data);
           } else {
               &show_class_list($r,'view','aboutme','classlist',
                                'any',$student_array,$student_data);
           }
       }
   }
   
   # ============================================== view classlist
   sub print_csv_classlist {
       my $r=shift;
       my $cid=$ENV{'request.course.id'};
       my ($student_array,$student_data)=&get_current_classlist($r);
       if (! scalar(@$student_array)) {
           $r->print("There are no students currently enrolled.\n");
       } else {
           &show_class_list($r,'csv','nolink','any',$student_array,$student_data);
     }      }
 }  }
   
 # =================================================== Show student list to drop  # =================================================== Show student list to drop
   sub show_class_list {
       my ($r,$mode,$linkto,$action,$statusmode,$students,$s_data)=@_;
       my $cid=$ENV{'request.course.id'};
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                               ['sortby']);
       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') {
               $r->print('Select a user name to view the users page.');
           } elsif ($linkto eq 'modify') {
               $r->print('Select a user name to modify the students information');
           }
           $r->print(<<END);
   <input type="hidden" name="sortby" value="$sortby" />
   <p>
   <table border=2>
   <tr><th>
          <a href="/adm/dropadd?action=$action&sortby=username">username</a>
       </th><th>
          <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
       </th><th>
          <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
       </th><th>
          <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
       </th><th>
          <a href="/adm/dropadd?action=$action&sortby=section">section</a>
       </th>
   </tr>
   END
       } elsif ($mode eq 'csv') {
           $r->print('"'.join('","',("username","domain","ID","student name",
                                     "section")).'"'."\n");
       }
       my @Sorted_Students = sort {
               lc($s_data->{$a.':'.$sortby})  cmp lc($s_data->{$b.':'.$sortby})
                   ||
               lc($s_data->{$a.':username'}) cmp lc($s_data->{$b.':username'})
                   ||
               lc($s_data->{$a.':domain'})   cmp lc($s_data->{$b.':domain'})
           } @$students;
       foreach my $student (@Sorted_Students) {
           my $error;
           if (exists($s_data->{$student.':error'})) {
               $error = $s_data->{$student.':error'};
           }
           if ($error) {
               $r->print('<tr><td colspan="6">'.
                         '<font color="#FF8888">Error</font>'.
                         'Error retrieving data for '.
                         join('@',split(/:/,$student)).
                         ', '.$error.'</td></tr>'."\n");
               next;
           }
           my $username = $s_data->{$student.':username'};
           my $domain   = $s_data->{$student.':domain'};
           my $section  = $s_data->{$student.':section'};
           my $name     = $s_data->{$student.':fullname'};
           my $status   = $s_data->{$student.':Status'};
           my $id       = $s_data->{$student.':id'};
           next if (($statusmode ne 'any') && ($status ne $statusmode));
           if ($mode eq 'view') {
               $r->print("<tr>\n    <td>\n        ");
               if ($linkto eq 'nothing') {
                   $r->print($username);
               } elsif ($linkto eq 'aboutme') {
                   $r->print(&Apache::loncommon::aboutmewrapper($username,
                                                                $username,
                                                                $domain));
               } elsif ($linkto eq 'modify') {
                   $r->print('<a href="/adm/dropadd?action=modifystudent'.
                             '&state=selected'.'&sname='.$username.
                             '&sdom='.$domain.'&sortby='.$sortby.'">'.
                             $username."</a>\n");
               }
               $r->print(<<"END");
       </td>
       <td>$domain</td>
       <td>$id</td>
       <td>$name</td>
       <td>$section</td>
   </tr>
   END
           } elsif ($mode eq 'csv') {
               # no need to bother with $linkto
               my @line = ();
               foreach ($username,$domain,$id,$name,$section) {
                   push @line,&Apache::loncommon::csv_translate($_);
               }
               my $tmp = $";
               $" = '","';
               $r->print("\"@line\"\n");
               $" = $tmp;
           }
       }
       $r->print('</table><br>') if ($mode eq 'view');
   }
   
   
   #
   # 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','sortby']);    
       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) {
           $r->print('<font color="#ff0000" size="+2">Error</font>'.
                     '<p>'.
                     'Unable to retrieve environment data for '.$sname.
                     'in domain '.$sdom.'</p><p>'.
                     'Please contact your LON-CAPA administrator '.
                     'regarding this situation.</p></body></html>');
           return;
       }
       # determine the students starting and ending times and section
       my ($starttime,$endtime,$section) = &get_enrollment_data($sname,$sdom);
       # Deal with date forms
       my $startdateform = &Apache::lonhtmlcommon::date_setter('studentform',
                                                               'startdate',
                                                               $starttime);
       my $enddateform = &Apache::lonhtmlcommon::date_setter('studentform',
                                                             'enddate',
                                                             $endtime);
       # Make sure student is enrolled in course    
       $r->print(<<END);
   <p>
   <font size="+1">
   Only domain coordinators can change a users password.
   </font>
   </p>
   <input type="hidden" name="slogin"  value="$sname"  />
   <input type="hidden" name="sdomain" value="$sdom" />
   <input type="hidden" name="action"  value="modifystudent" />
   <input type="hidden" name="state"   value="done" />
   <input type="hidden" name="sortby"  value="$sortby" />
   <h2>Modify Enrollment for $info{'firstname'} $info{'middlename'} 
   $info{'lastname'} $info{'generation'}, $sname\@$sdom</h2>
   <p>
   <b>Student Name</b>
   <table>
   <tr><th>First</th><th>Middle</th><th>Last</th><th>Generation</th></tr>
   <tr><td>
   <input type="text" name="firstname"  value="$info{'firstname'}"  /></td><td>
   <input type="text" name="middlename" value="$info{'middlename'}" /></td><td>
   <input type="text" name="lastname"   value="$info{'lastname'}"   /></td><td>
   <input type="text" name="generation" value="$info{'generation'}" /></td></tr>
   </table>
   </p><p>
   <b>Student ID</b>: <input type="text" name="id" value="$info{'id'}" size="12"/>
   </p><p>
   <input type="checkbox" name="forceid" > 
   Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
   (only do if you know what you are doing)
   </p><p>
   <b>Section</b>: <input type="text" name="section" value="$section" size="4"/>
   </p><p>
   <table>
   <tr><td align="right"><b>Starting Date:</b></td><td>$startdateform</td></tr>
   <tr><td align="right"><b>Ending Date:</b></td><td>$enddateform</td></tr>
   </table>
   </p>
   <input type="submit" value="Submit Modifications" />
   </body></html>
   END
       return;
   }
   
   #
   # modify a single students section 
   #
   sub modify_single_student {
       my $r = shift;
       # Get the 'sortby' variable so the user does not need to re-sort
       my $sortby = $ENV{'form.sortby'};
       #
       # 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, $slogin);
       my ($tmp) = keys(%old);
       if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
           $r->print("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 $starttime = &Apache::lonhtmlcommon::get_date_from_form('startdate',
                                                                  time);
       my $endtime   = &Apache::lonhtmlcommon::get_date_from_form('enddate',
                                                                  time);
       my $displayable_starttime = localtime($starttime);
       my $displayable_endtime   = localtime($endtime);
       # 
       # check for forceid override
       if (($sid ne $old{'id'}) && (! exists($ENV{'form.forceid'}))) {
           $r->print("<font color=\"ff0000\">You changed the students id ".
                     " but did not disable the ID change safeguard.".
                     "  The students id will not be changed.</font>");
           $sid = $old{'id'};
       }
       #
       # talk to the user about what we are going to do
       $r->print(<<END);
       <h2>Modifying data for user $slogin \@ $sdom </h2>
   <h3>Student Information</h3>
   <table rules="rows" border="1" cellpadding="3" >
   <tr>
       <th> Field </th>
       <th> Old Value </th>
       <th> New Value </th>
   </tr>
   <tr>
       <td> <b>First name</b> </td>
       <td> $old{'firstname'} </td>
       <td> $firstname </td>
   </tr><tr>
       <td> <b>Middle name</b> </td>
       <td> $old{'middlename'} </td>
       <td> $middlename </td>
   </tr><tr>
       <td> <b>Last name</b> </td>
       <td> $old{'lastname'} </td>
       <td> $lastname </td>
   </tr><tr>
       <td> <b>Generation</b> </td>
       <td> $old{'generation'} </td>
       <td> $generation </td>
   </tr><tr>
       <td> <b>ID</b> </td>
       <td> $old{'id'} </td>
       <td> $sid </td>
   </tr>
   </table>
   <h3>Role Information</h3>
   <table>
   <tr><td>Section     </td><td> $section    </td></tr>
   <tr><td>Start Time  </td><td> $displayable_starttime </td></tr>
   <tr><td>End Time    </td><td> $displayable_endtime   </td></tr>
   </table>
   <p>
   END
       #
       # Send request(s) to modify data
       my $roleresults = &Apache::lonnet::modifystudent
           ($sdom,$slogin,$sid,undef,undef,$firstname,$middlename,$lastname,
            $generation,$section,$endtime,$starttime,$ENV{'form.forceid'});
       if ($roleresults eq 'refused' ) {
           $r->print("Your request to change the role information for this ".
                     "student was refused.  You do not appear to have ".
                     "sufficient authority to change student information.");
       } elsif ($roleresults !~ /ok/) {
           $r->print("An error occurred during the attempt to change the role".
                     " information for this student.  <br />".
                     "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("Student information updated successfully. <br />".
                     "The student must log out and log in again to see ".
                     "these changes.");
       }
       $r->print(<<END);
   </p><p>
   <a href="/adm/dropadd?action=modifystudent&sortby=$sortby">Modify another students data</a>
   </body></html>
   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 "666" 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,$role) = each(%roles)) {
           &Apache::lonnet::logthis('course = '.$course.' role = '.$role);
           if ($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);
   }
   
   # =================================================== Show student list to drop
 sub show_drop_list {  sub show_drop_list {
     my ($r,%currentlist)=@_;      my ($students,$s_data,$r)=@_;
     my $cid=$ENV{'request.course.id'};      my $cid=$ENV{'request.course.id'};
     $r->print(<<'END');      $r->print(<<'END');
   <input type="hidden" name="action" value="drop" />
   <input type="hidden" name="state"  value="done" />
 <script>  <script>
 function checkAll(field)  function checkAll(field) {
 {  
     for (i = 0; i < field.length; i++)      for (i = 0; i < field.length; i++)
         field[i].checked = true ;          field[i].checked = true ;
 }  }
   
 function uncheckAll(field)  function uncheckAll(field) {
 {  
     for (i = 0; i < field.length; i++)      for (i = 0; i < field.length; i++)
         field[i].checked = false ;          field[i].checked = false ;
 }  }
Line 715  function uncheckAll(field) Line 1149  function uncheckAll(field)
 <input type="hidden" name="phase" value="four">  <input type="hidden" name="phase" value="four">
 <table border=2>  <table border=2>
 <tr><th>&nbsp;</th><th>username</th><th>domain</th>  <tr><th>&nbsp;</th><th>username</th><th>domain</th>
 <th>ID</th><th>student name</th><th>generation</th>      <th>ID</th><th>student name</th><th>section</th></tr>
 <th>section</th></tr>  
 END  END
     foreach (sort keys %currentlist) {      foreach my $student (@$students) {
         my ($sname,$sdom)=split(/\:/,$_);          my $error;
         my %reply=&Apache::lonnet::idrget($sdom,$sname);          if (exists($s_data->{$student.':error'})) {
         my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);              $error = $s_data->{$student.':error'};
         my %info=&Apache::lonnet::get('environment',          }
                                       ['firstname','middlename',          if ($error) {
                                        'lastname','generation'],              $r->print('<tr><td colspan="6">'.
                                       $sdom, $sname);                        '<font color="#FF8888">Error</font>'.
         my ($tmp) = keys(%info);                        'Error retrieving data for '.
         if ($tmp =~ /^(con_lost|error|no_such_host)/i) {                        join('@',split(/:/,$student)).
             $r->print('<tr><td colspan="7"><font color="red">'.                        ', '.$error.'</td></tr>'."\n");
                       'Internal error: unable to get environment '.              next;
                       'for '.$sname.' in domain '.$sdom.'</font></td></tr>');          }
         } else {          my $username = $s_data->{$student.':username'};
             $r->print(<<"END");          my $domain   = $s_data->{$student.':domain'};
           my $section  = $s_data->{$student.':section'};
           my $name     = $s_data->{$student.':fullname'};
           my $status   = $s_data->{$student.':Status'};
           my $id       = $s_data->{$student.':id'};
           next if ($status ne 'Active');
           #
           $r->print(<<"END");
 <tr>  <tr>
     <td><input type="checkbox" name="droplist" value="$_"></td>      <td><input type="checkbox" name="droplist" value="$student"></td>
     <td>$sname</td>      <td>$username</td>
     <td>$sdom</td>      <td>$domain</td>
     <td>$reply{$sname}</td>      <td>$id</td>
     <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>      <td>$name</td>
     <td>$info{'generation'}</td>      <td>$section</td>
     <td>$ssec</td>  
 </tr>  </tr>
 END  END
         }  
     }      }
     $r->print('</table><br>');      $r->print('</table><br>');
     $r->print(<<"END");      $r->print(<<"END");
Line 752  END Line 1190  END
 <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)">   <input type="button" value="uncheck all" onclick="javascript:uncheckAll(document.studentform.droplist)"> 
 <p><input type=submit value="Drop Students"></p>  <p><input type=submit value="Drop Students"></p>
 END  END
       return;
   }
   
   #
   # Print out the initial form to get the courselist file
   #
   sub print_first_courselist_upload_form {
       my $r=shift;
       my $upfile_select=&Apache::loncommon::upfile_select_html();
       my $create_classlist_help = 
    &Apache::loncommon::help_open_topic("Course_Create_Class_List",
              "How do I create a class list from a spreadsheet");
       my $create_csv_help =
    &Apache::loncommon::help_open_topic("Course_Convert_To_CSV",
              "How do I create a CSV file from a spreadsheet");
       $r->print(<<ENDUPFORM);
   <input type=hidden name=phase value=two>
   <h3>Upload a courselist</h3>
   $upfile_select
   <p>
   <input type=submit name="fileupload" value="Upload Courselist">
   <input type="hidden" name="action" value="upload" />
   <input type="hidden" name="state"  value="got_file" />
   </p>
   $create_classlist_help <br />
   $create_csv_help
   </body></html>
   ENDUPFORM
       return;
 }  }
   
 # ================================================= Drop/Add from uploaded file  # ================================================= Drop/Add from uploaded file
Line 782  sub upfile_drop_add { Line 1249  sub upfile_drop_add {
     if (lc($desiredhost) eq 'default') {      if (lc($desiredhost) eq 'default') {
         $desiredhost = undef;          $desiredhost = undef;
     } else {      } else {
         my %home_servers = &Apache::loncommon::get_home_servers($domain);          my %home_servers = &Apache::loncommon::get_library_servers($domain);
         if (! exists($home_servers{$desiredhost})) {          if (! exists($home_servers{$desiredhost})) {
             $r->print('<font color="#ff0000">Error:</font>'.              $r->print('<font color="#ff0000">Error:</font>'.
                       'Invalid home server specified');                        'Invalid home server specified');
Line 793  sub upfile_drop_add { Line 1260  sub upfile_drop_add {
     my $amode  = '';      my $amode  = '';
     my $genpwd = '';      my $genpwd = '';
     if ($ENV{'form.login'} eq 'krb') {      if ($ENV{'form.login'} eq 'krb') {
         $amode='krb4';          $amode='krb';
    $amode.=$ENV{'form.krbver'};
         $genpwd=$ENV{'form.krbarg'};          $genpwd=$ENV{'form.krbarg'};
     } elsif ($ENV{'form.login'} eq 'int') {      } elsif ($ENV{'form.login'} eq 'int') {
         $amode='internal';          $amode='internal';
Line 871  sub upfile_drop_add { Line 1339  sub upfile_drop_add {
                         }                          }
                     }                      }
                     if ($password) {                      if ($password) {
                           &modifystudent($domain,$username,$cid,$sec,
                                          $desiredhost);
                         my $reply=&Apache::lonnet::modifystudent                          my $reply=&Apache::lonnet::modifystudent
                             ($domain,$username,$id,$amode,$password,                              ($domain,$username,$id,$amode,$password,
                              $fname,$mname,$lname,$gen,$sec,$enddate,                               $fname,$mname,$lname,$gen,$sec,$enddate,
                              $startdate,$ENV{'form.forceid'},$desiredhost);                               $startdate,$ENV{'form.forceid'},$desiredhost);
                         &modifystudent($domain,$username,$cid,$sec);  
                         if ($reply ne 'ok') {                          if ($reply ne 'ok') {
                             $r->print('<p><b>'.                              $r->print('<p><b>'.
                                       'Error enrolling '.$username.': '.                                        'Error enrolling '.$username.': '.
Line 902  sub upfile_drop_add { Line 1371  sub upfile_drop_add {
         if ($ENV{'form.fullup'} eq 'yes') {          if ($ENV{'form.fullup'} eq 'yes') {
             $r->print('<h3>Dropping Students</h3>');              $r->print('<h3>Dropping Students</h3>');
             #  Get current classlist              #  Get current classlist
             my ($error,%currentlist)=&get_current_classlist              my ($error,%currentlist)=&get_current_classlist($r);
                 ($ENV{'course.'.$cid.'.domain'},  
                  $ENV{'course.'.$cid.'.num'});  
             if (defined($error)) {              if (defined($error)) {
                 $r->print('<pre>ERROR:$error</pre>');                  $r->print('<pre>ERROR:$error</pre>');
             }              }
Line 927  sub upfile_drop_add { Line 1394  sub upfile_drop_add {
     } # end of unless      } # end of unless
 }  }
   
   ###################################################################
   ###################################################################
   
   =pod
   
   =item &drop_students
   
   Inputs: \@droplist, a pointer to an array of students to drop.
   Students should be in format of studentname:studentdomain
   
   Returns: $errors, a string describing any errors encountered.
   $successes, a string describing the successful dropping of students.
   
   =cut
   
   ###################################################################
   ###################################################################
   sub drop_students {
       my @droplist = @{shift()};
       my $courseid = $ENV{'request.course.id'};
       my $successes = '';
       my $errors = '';
       foreach (@droplist) {
           my ($sname,$sdom)=split(/:/,$_);
           my $result = &drop_student($sname,$sdom,$courseid);
           if ($result !~ /ok/) {
               $errors .= "Error dropping $sname\@$sdom: $result\n";
           } else {
               $successes .= "Dropped $sname\@$sdom\n";
           }
       }
       return ($errors,$successes);
   }
   ###################################################################
   ###################################################################
   
   
 # ================================================================== Phase four  # ================================================================== Phase four
 sub drop_student_list {  sub drop_student_list {
     my $r=shift;      my $r=shift;
     my $count=0;      my $count=0;
     foreach (@{$ENV{'form.droplist'}}) {      my @droplist;
       if (ref($ENV{'form.droplist'})) {
           @droplist = @{$ENV{'form.droplist'}};
       } else {
           @droplist = ($ENV{'form.droplist'});
       }
       foreach (@droplist) {
         my ($uname,$udom)=split(/\:/,$_);          my ($uname,$udom)=split(/\:/,$_);
         &modifystudent($udom,$uname,$ENV{'request.course.id'});          my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
         $r->print('Dropped '.$uname.' at '.$udom.'<br>');          if ($result eq 'ok' || $result eq 'ok:') {
               $r->print('Dropped '.$uname.' at '.$udom.'<br>');
           } else {
               $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.
                         '<br />');
           }
         $count++;          $count++;
     }      }
     $r->print('<p><b>Dropped '.$count.' student(s).</b>');      $r->print('<p><b>Dropped '.$count.' student(s).</b>');
     $r->print('<p>Re-enrollment will re-activate data.');      $r->print('<p>Re-enrollment will re-activate data.');
 }  }
   
 # ================================================================ Main Handler  ###################################################################
   ###################################################################
   
   =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 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 {  sub handler {
     my $r=shift;      my $r=shift;
     if ($r->header_only) {      if ($r->header_only) {
Line 949  sub handler { Line 1496  sub handler {
         $r->send_http_header;          $r->send_http_header;
         return OK;          return OK;
     }      }
       &Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'},
                                               ['action','state']);
     #  Needs to be in a course      #  Needs to be in a course
     if (($ENV{'request.course.fn'}) &&       if (! (($ENV{'request.course.fn'}) &&
         (&Apache::lonnet::allowed('cst',$ENV{'request.course.id'}))) {            (&Apache::lonnet::allowed('cst',$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          # Start page
         $r->content_type('text/html');          $r->content_type('text/html');
         $r->send_http_header;          $r->send_http_header;
         $r->print(&header());          $r->print(&header());
         # Phase one, initial screen      }
         unless ($ENV{'form.phase'}) {      #
             &menu_phase_one($r);      # Main switch on form.action and form.state, as appropriate
         }      if (! exists($ENV{'form.action'})) {
         # Phase two          &print_main_menu($r);
         if ($ENV{'form.associate'} eq 'Reverse Association') {      } elsif ($ENV{'form.action'} eq 'upload') {
             $ENV{'form.phase'} = 'two';          if (! exists($ENV{'form.state'})) {
             if ( $ENV{'form.upfile_associate'} ne 'reverse' ) {              &print_first_courselist_upload_form($r);            
                 $ENV{'form.upfile_associate'} = 'reverse';          } elsif ($ENV{'form.state'} eq 'got_file') {
             } else {              &print_upload_manager_form($r);
                 $ENV{'form.upfile_associate'} = 'forward';          } elsif ($ENV{'form.state'} eq 'enrolling') {
             }  
         }  
         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 ($ENV{'form.datatoken'}) {              if ($ENV{'form.datatoken'}) {
                 &upfile_drop_add($r);                  &upfile_drop_add($r);
               } else {
                   # Hmmm, this is an error
             }              }
           } else {
               &print_first_courselist_upload_form($r);            
         }          }
         # Phase four      } elsif ($ENV{'form.action'} eq 'drop') {
         if ($ENV{'form.phase'} eq 'four') {          if (! exists($ENV{'form.state'})) {
               &print_drop_menu($r);
           } elsif ($ENV{'form.state'} eq 'done') {
             &drop_student_list($r);              &drop_student_list($r);
           } else {
               &menu_phase_two_drop($r);
         }          }
         # Phase five      } elsif ($ENV{'form.action'} eq 'enrollstudent') {
         if ($ENV{'form.phase'} eq 'five') {          if (! exists($ENV{'form.state'})) {
               &print_enroll_single_student_form($r);
           } elsif ($ENV{'form.state'} eq 'enrolling') {
             &enroll_single_student($r);              &enroll_single_student($r);
           } else {
               &print_enroll_single_student_form($r);
         }          }
          # End      } elsif ($ENV{'form.action'} eq 'classlist') {
         $r->print('</form></body></html>');          if (! exists($ENV{'form.state'})) {
               &print_html_classlist($r);
           } elsif ($ENV{'form.state'} eq 'csv') {
               &print_csv_classlist($r);
           } else {
               &print_html_classlist($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 {      } else {
         # Not in a course, or not allowed to modify parms          # We should not end up here, but I guess it is possible
         $ENV{'user.error.msg'}=          &Apache::lonnet::logthis("Undetermined state in londropadd.pm.  ".
             "/adm/dropadd:cst:0:0:Cannot drop or add students";                                   "form.action = ".$ENV{'form.action'}.
         return HTTP_NOT_ACCEPTABLE;                                    "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('</form></body></html>');
     }      }
     return OK;      return OK;
 }  }
   
   ###################################################################
   ###################################################################
   
 1;  1;
 __END__  __END__
   
   
Removed from v.1.32  
changed lines
  Added in v.1.53

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