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Diff for /loncom/interface/Attic/londropadd.pm between versions 1.40 and 1.63

version 1.40, 2002/05/03 20:38:13 version 1.63, 2002/12/10 00:54:37
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);
   use Spreadsheet::WriteExcel;
   
 # ================================================================ Print header  ###############################################################
   ###############################################################
 sub header {  sub header {
       my $bodytag=&Apache::loncommon::bodytag('Enrollment Manager');
     return(<<ENDHEAD);      return(<<ENDHEAD);
 <html>  <html>
 <head>  <head>
 <title>LON-CAPA Enrollment Manager</title>  <title>LON-CAPA Enrollment Manager</title>
 </head>  </head>
 <body bgcolor="#FFFFFF">  $bodytag
 <img align=right src=/adm/lonIcons/lonlogos.gif>  
 <h1>$ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h1>  
 <h2>Enrollment Manager</h2>  
 <form method="post" enctype="multipart/form-data"    <form method="post" enctype="multipart/form-data"  
       action="/adm/dropadd" name="studentform">        action="/adm/dropadd" name="studentform">
 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,$csec,$desiredhost)=@_;      my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
     # if $csec is undefined, drop the student from all the courses matching      # if $csec is undefined, drop the student from all the courses matching
Line 95  sub modifystudent { Line 82  sub modifystudent {
             if ( ((!$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,$unam,'','','','','','','',                          ($udom,$unam,'','','','','','','',
Line 105  sub modifystudent { Line 93  sub modifystudent {
         }          }
     }      }
     if ($result eq '') {      if ($result eq '') {
         $result eq 'Unable to find section for this student';          $result = 'Unable to find section for this student';
     } else {      } else {
         $result =~ s/(ok:)+/ok/g;          $result =~ s/(ok:)+/ok/g;
     }      }
     return $result;      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 129  sub domain_form { Line 119  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 141  sub domain_form { Line 131  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><p>
 <hr />  <font size="+1">
 <h3>Classlist</h3>      <a href="/adm/dropadd?action=modifystudent">Modify student data</a>
 <p><input type=submit name="view" value="View Class List"></p>  </font>
 <hr />  </p><p>
 <h3>Drop students</h3>  <font size="+1">
 <p><input type=submit name="drop" value="Selection List"></p>      <a href="/adm/dropadd?action=classlist">View Classlist</a>
 ENDUPFORM  </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);
Line 180  Total number of records found in file: $ Line 190  Total number of records found in file: $
 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="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />  <input type="button" value="Reverse Association" onClick="javascript:this.form.associate.value='Reverse Association';submit(this.form);" />
   <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="associate"  value="" />
 <input type="hidden" name="phase"      value="three" />  
 <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 195  $javascript_validations Line 206  $javascript_validations
 ENDPICK  ENDPICK
 }  }
   
   ###############################################################
   ###############################################################
 sub javascript_validations {  sub javascript_validations {
     my ($krbdefdom)=@_;      my ($krbdefdom)=@_;
     my %param = ( formname => 'studentform',      my %param = ( formname => 'studentform',
Line 208  function verify_message (vf,founduname,f Line 221  function verify_message (vf,founduname,f
  alert('You need to specify the username field');   alert('You need to specify the username field');
         return;          return;
     }      }
       // alert('current.radiovalue = '+current.radiovalue);
     if (current.radiovalue == null || current.radiovalue == 'nochange') {      if (current.radiovalue == null || current.radiovalue == 'nochange') {
         // They did not check any of the login radiobuttons.          // They did not check any of the login radiobuttons.
         alert('You must choose an authentication type');          alert('You must choose an authentication type');
Line 255  function verify_message (vf,founduname,f Line 269  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 296  ENDPICK Line 312  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 316  function verify(vf) { Line 334  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 337  function flip(vf,tf) { Line 370  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 344  function flip(vf,tf) { Line 379  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 365  function clearpwd(vf) { Line 402  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 418  function clearpwd(vf) { Line 457  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 463  LON-CAPA domain: $domform <p> Line 504  LON-CAPA domain: $domform <p>
 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="javascript: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 487  sub menu_phase_two_upload { Line 528  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 508  sub menu_phase_two_upload { Line 553  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>');
     $r->print('<p>Enrolling '.$ENV{'form.cuname'}." in domain ".      $r->print('<p>Enrolling '.$ENV{'form.cuname'}." \@ ".
               $ENV{'form.lcdomain'}.'</p>');                $ENV{'form.lcdomain'}.'</p>');
     if (($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'})&&($ENV{'form.lcdomain'}!~/\W/)) {
Line 525  sub enroll_single_student { Line 570  sub enroll_single_student {
         if (lc($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');
Line 537  sub enroll_single_student { Line 582  sub enroll_single_student {
  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 550  sub enroll_single_student { Line 596  sub enroll_single_student {
         my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},          my $home = &Apache::lonnet::homeserver($ENV{'form.cuname'},
                                                    $ENV{'form.lcdomain'});                                                     $ENV{'form.lcdomain'});
         if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {          if ((($amode) && ($genpwd)) || ($home ne 'no_host')) {
               # Clean out any old roles the student has in this class.
             &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},              &modifystudent($ENV{'form.lcdomain'},$ENV{'form.cuname'},
                            $ENV{'request.course.id'},$ENV{'form.csec'},                             $ENV{'request.course.id'},$ENV{'form.csec'},
                             $desiredhost);                              $desiredhost);
           $r->print(&Apache::lonnet::modifystudent(              my $login_result = &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,
                $ENV{'form.cfirst'},$ENV{'form.cmiddle'},                   $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
                       $ENV{'form.clast'},$ENV{'form.cgen'},                   $ENV{'form.clast'},$ENV{'form.cgen'},
                       $ENV{'form.csec'},$ENV{'form.enddate'},                   $ENV{'form.csec'},$ENV{'form.enddate'},
                       $ENV{'form.startdate'},$ENV{'form.forceid'},                   $ENV{'form.startdate'},$ENV{'form.forceid'},
                     $desiredhost));                   $desiredhost);
               if ($login_result =~ /^ok/) {
                   $r->print($login_result);
                   $r->print("<p> If active, the new role will be available ".
                             "when the student next logs in to LON-CAPA.</p>");
               } else {
                   $r->print("unable to enroll: ".$login_result);
               }
  } else {   } else {
             $r->print('<p><font color="#ff0000">ERROR</font>&nbsp;'.              $r->print('<p><font color="#ff0000">ERROR</font>&nbsp;'.
                       'Invalid login mode or password.  '.                        'Invalid login mode or password.  '.
Line 572  sub enroll_single_student { Line 626  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>");      $r->print("<h3>Enroll One Student</h3>");
     my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;      my ($krbdefdom) = $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
Line 589  sub menu_phase_two_enroll { Line 643  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 627  function clearpwd(vf) { Line 684  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 647  $intform Line 702  $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 661  $locform Line 721  $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  # ========================================================= Menu Phase Two Drop
 sub get_current_classlist {  sub print_drop_menu {
     my ($domain,$identifier) = @_;      my $r=shift;
     # domain is the domain the class is being run in      $r->print("<h3>Drop Students</h3>");
     # identifier is the internal, unique identifier for the class.      my $cid=$ENV{'request.course.id'};
     my %currentlist=();      my ($classlist,$keylist) = &Apache::loncoursedata::get_classlist();
     my $now=time;      if (! defined($classlist)) {
     my %results=&Apache::lonnet::dump('classlist',$domain,$identifier);          $r->print("There are no students currently enrolled.\n");
     my ($tmp) = keys(%results);          return;
     if ($tmp !~ /^(con_lost|error|no_such_host)/i) {  
         foreach my $student (keys(%results)) {  
             # Extract the start and end dates  
             my ($end,$start)=split(/\:/,$results{$student});  
             # If the class isn't over, put it in the list  
             unless (($end) && ($now>$end)) {   
                 $currentlist{$student}=1;  
             }  
         }  
         return (undef,%currentlist);  
     } else {  
         $tmp =~ s/^error://;  
         return ($tmp,undef);  
     }      }
       # Print out the available choices
       &show_drop_list($r,$classlist,$keylist);
       return;
 }  }
   
 # ========================================================= Menu Phase Two Drop  # ============================================== view classlist
 sub menu_phase_two_drop {  sub print_html_classlist {
     my $r=shift;      my $r=shift;
     $r->print("<h3>Drop Students</h3>");      if (! exists($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');
       $r->print(<<END);
   <input type="hidden" name="action" value="$ENV{'form.action'}" />
   <input type="hidden" name="state"  value="" />
   <p>
   <font size="+1">Current Classlist</font>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   END
       if ($ENV{'form.action'} ne 'modifystudent') {
           $r->print(<<END);
   <font size="+1">
   <a href="javascript:document.studentform.state.value='csv';document.studentform.submit();">CSV format</a>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   <a href="javascript:document.studentform.state.value='excel';document.studentform.submit();">Excel format</a>
   </font>
   &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
   Student Status:
   END
       }
       $r->print($status_select."</p>\n");
     my $cid=$ENV{'request.course.id'};      my $cid=$ENV{'request.course.id'};
     my ($error,%currentlist)=&get_current_classlist      my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
         ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});      if (! defined($classlist)) {
     if (defined($error)) {  
         if ($error =~ /^No such file or directory/) {  
             $r->print("There are no students currently enrolled.\n");  
         } else {  
             $r->print("<pre>ERROR:$error</pre>");  
         }  
     } elsif (!defined(%currentlist)) {   
         $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',
                                $ENV{'form.Status'},$classlist,$keylist);
           } else {
               &show_class_list($r,'view','aboutme','classlist',
                                $ENV{'form.Status'},$classlist,$keylist);
           }
     }      }
 }  }
   
 # ============================================== view classlist  # ============================================== view classlist
 sub menu_phase_two_view {  sub print_formatted_classlist {
     my $r=shift;      my $r=shift;
     $r->print("<h3>Current Classlist</h3>");      my $mode = shift;
     my $cid=$ENV{'request.course.id'};      my $cid=$ENV{'request.course.id'};
     my ($error,%currentlist)=&get_current_classlist      my ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
         ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});      if (! defined($classlist)) {
     if (defined($error)) {  
         if ($error =~ /^No such file or directory/) {  
             $r->print("There are no students currently enrolled.\n");  
         } else {  
             $r->print("<pre>ERROR:$error</pre>");  
         }  
     } elsif (!defined(%currentlist)) {   
         $r->print("There are no students currently enrolled.\n");          $r->print("There are no students currently enrolled.\n");
     } else {      } else {
         # Print out the available choices          &show_class_list($r,$mode,'nolink','csv',
         &show_class_list($r,%currentlist);                           $ENV{'form.Status'},$classlist,$keylist);
     }      }
 }  }
   
 # =================================================== Show student list to drop  # =================================================== Show student list to drop
 sub show_class_list {  sub show_class_list {
     my ($r,%currentlist)=@_;      my ($r,$mode,$linkto,$action,$statusmode,$classlist,$keylist)=@_;
     my $cid=$ENV{'request.course.id'};      my $cid=$ENV{'request.course.id'};
     $r->print(<<END);      #
       # Variables for excel output
       my ($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') {
               $r->print('Select a user name to view the users personal page.');
           } elsif ($linkto eq 'modify') {
               $r->print('Select a user name to modify the students information');
           }
           $r->print(<<END);
   
   <input type="hidden" name="sortby" value="$sortby" />
   <input type="hidden" name="sname"  value="" />
   <input type="hidden" name="sdom"   value="" />
 <p>  <p>
 <table border=2>  <table border=2>
 <tr><th>username</th><th>domain</th><th>ID</th>  <tr><th>
     <th>student name</th><th>generation</th><th>section</th></tr>         <a href="javascript:document.studentform.sortby.value='username';document.studentform.submit();">username</a>
       </th><th>
          <a href="javascript:document.studentform.sortby.value='domain';document.studentform.submit();">domain</a>
       </th><th>
          <a href="javascript:document.studentform.sortby.value='id';document.studentform.submit();">ID</a>
       </th><th>
          <a href="javascript:document.studentform.sortby.value='fullname';document.studentform.submit();">student name</a>
       </th><th>
          <a href="javascript:document.studentform.sortby.value='section';document.studentform.submit();">section</a>
       </th>
   </tr>
 END  END
     foreach (sort keys %currentlist) {      } elsif ($mode eq 'csv') {
         my ($sname,$sdom)=split(/\:/,$_);          if($statusmode eq 'Expired') {
         my %reply=&Apache::lonnet::idrget($sdom,$sname);              $r->print('"Students with expired roles"');
         my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);          }
         my %info=&Apache::lonnet::get('environment',          if ($statusmode eq 'Any') {
                                       ['firstname','middlename',              $r->print('"'.join('","',("username","domain","ID","student name",
                                        'lastname','generation'],                                        "section","status")).'"'."\n");
                                       $sdom, $sname);  
         my ($tmp) = keys(%info);  
         if ($tmp =~ /^(con_lost|error|no_such_host)/i) {  
             $r->print('<tr><td colspan="6"><font color="red">'.  
                       'Internal error: unable to get environment '.  
                       'for '.$sname.' in domain '.$sdom.'</font></td></tr>');  
         } else {          } else {
               $r->print('"'.join('","',("username","domain","ID","student name",
                                         "section")).'"'."\n");
           }
       } elsif ($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 = 'Classlist 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') {
               $r->print("<tr>\n    <td>\n        ");
               if ($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="'.
                             "javascript:document.studentform.sname.value='".
                             $username.
                             "';document.studentform.sdom.value='".$domain.
                             "';document.studentform.state.value='selected".
                             "';document.studentform.submit();".'">'.
                             $username."</a>\n");
               }
             $r->print(<<"END");              $r->print(<<"END");
       </td>
       <td>$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($_);
               }
               if ($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') {
           $r->print('</table><br>');
       } elsif ($mode eq 'excel') {
           $excel_workbook->close();
           $r->print('<p><a href="'.$excel_filename.'">'.
                     'Your Excel spreadsheet</a> is ready for download.</p>'."\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) {
           $r->print('<font color="#ff0000" size="+2">Error</font>'.
                     '<p>'.
                     'Unable to retrieve environment data for '.$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',
                                                             $endtime);
       #
       if (! exists($ENV{'form.Status'}) || 
           $ENV{'form.Status'} !~ /^(Any|Expired|Active)$/) {
           $ENV{'form.Status'} = 'crap';
       }
       # 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" />
   <input type="hidden" name="Status"  value="$ENV{'form.Status'}" />
   
   <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' 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("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 ((defined($old{'id'})) && ($old{'id'} ne '') && 
           ($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 \@ $sdom </h2>
   <h3>Student Information</h3>
   <table rules="rows" border="1" cellpadding="3" >
 <tr>  <tr>
     <td>$sname</td>      <th> Field </th>
     <td>$sdom</td>      <th> Old Value </th>
     <td>$reply{$sname}</td>      <th> New Value </th>
     <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>  
     <td>$info{'generation'}</td>  
     <td>$ssec</td>  
 </tr>  </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><tr>
       <td> <b>Section</b> </td>
       <td> $old{'section'} </td>
       <td> $section</td>
   </tr>
   </table>
   <h3>Role Information</h3>
   <table>
   <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 (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("An error occured during the attempt to change the ".
                     "section for this student.<br />");
       }
       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.");
       }
       $r->print(<<END);
   </p><p>
   <input type="hidden" name="action" value="modifystudent" />
   <input type="hidden" name="sortby" value="$sortby" />
   <input type="hidden" name="Status" value="$status" />
   <a href="javascript:document.studentform.submit();">Modify another students data</a>
   </body></html>
 END  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); }
         }          }
     }      }
     $r->print('</table><br>');      return ($start,$end,$section);
 }  }
   
 # =================================================== Show student list to drop  #################################################
   #################################################
   
   =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 {  sub show_drop_list {
     my ($r,%currentlist)=@_;      my ($r,$classlist,$keylist,$nosort)=@_;
     my $cid=$ENV{'request.course.id'};      my $cid=$ENV{'request.course.id'};
     $r->print(<<'END');      if (! exists($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";
       $r->print(<<END);
   <input type="hidden" name="sortby" value="$sortby" />
   <input type="hidden" name="action" value="$action" />
   <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 ;
 }  }
 </script>  </script>
 <p>  <p>
 <input type="hidden" name="phase" value="four">  <input type="hidden" name="phase" value="four">
   END
   
       if ($nosort) {
           $r->print(<<END);
 <table border=2>  <table border=2>
 <tr><th>&nbsp;</th><th>username</th><th>domain</th>  <tr>
 <th>ID</th><th>student name</th><th>generation</th>      <th>&nbsp;</th>
 <th>section</th></tr>      <th>username</th>
       <th>domain</th>
       <th>ID</th>
       <th>student name</th>
       <th>section</th>
   </tr>
 END  END
     foreach (sort keys %currentlist) {  
         my ($sname,$sdom)=split(/\:/,$_);      } else  {
         my %reply=&Apache::lonnet::idrget($sdom,$sname);          $r->print(<<END);
         my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);  <table border=2>
         my %info=&Apache::lonnet::get('environment',  <tr><th>&nbsp;</th>
                                       ['firstname','middlename',      <th>
                                        'lastname','generation'],         <a href="/adm/dropadd?action=$action&sortby=username">username</a>
                                       $sdom, $sname);      </th><th>
         my ($tmp) = keys(%info);         <a href="/adm/dropadd?action=$action&sortby=domain">domain</a>
         if ($tmp =~ /^(con_lost|error|no_such_host)/i) {      </th><th>
             $r->print('<tr><td colspan="7"><font color="red">'.         <a href="/adm/dropadd?action=$action&sortby=id">ID</a>
                       'Internal error: unable to get environment '.      </th><th>
                       'for '.$sname.' in domain '.$sdom.'</font></td></tr>');         <a href="/adm/dropadd?action=$action&sortby=fullname">student name</a>
         } else {      </th><th>
             $r->print(<<"END");         <a href="/adm/dropadd?action=$action&sortby=section">section</a>
       </th>
   </tr>
   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');
           #
           $r->print(<<"END");
 <tr>  <tr>
     <td><input type="checkbox" name="droplist" value="$_"></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 837  END Line 1347  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 867  sub upfile_drop_add { Line 1406  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 878  sub upfile_drop_add { Line 1417  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 955  sub upfile_drop_add { Line 1495  sub upfile_drop_add {
                             }                              }
                         }                          }
                     }                      }
                       # Clean up whitespace
                       foreach (\$domain,\$username,\$id,\$fname,\$mname,
                                \$lname,\$gen,\$sec) {
                           $$_ =~ s/(\s+$|^\s+)//g;
                       }
                     if ($password) {                      if ($password) {
                         &modifystudent($domain,$username,$cid,$sec,                          &modifystudent($domain,$username,$cid,$sec,
                                        $desiredhost);                                         $desiredhost);
Line 981  sub upfile_drop_add { Line 1526  sub upfile_drop_add {
                 }                  }
             }              }
         } # end of foreach (@studentdata)          } # end of foreach (@studentdata)
         $r->print('<p>Processed Students: '.$count);          $r->print('<p>Processed Students: '.$count.'</p>');
           $r->print("<p>If active, the new role will be available when the ".
                     "students next log in to LON-CAPA.</p>");
         #####################################          #####################################
         #           Drop students           #          #           Drop students           #
         #####################################          #####################################
         if ($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 ($classlist,$keylist)=&Apache::loncoursedata::get_classlist();
                 ($ENV{'course.'.$cid.'.domain'},              if (! defined($classlist)) {
                  $ENV{'course.'.$cid.'.num'});                  $r->print("There are no students currently enrolled.\n");
             if (defined($error)) {              } else {
                 $r->print('<pre>ERROR:$error</pre>');                  # Remove the students we just added from the list of students.
             }  
             if (defined(%currentlist)) {  
                 # Drop the students  
                 foreach (@studentdata) {                  foreach (@studentdata) {
                     my %entries=&Apache::loncommon::record_sep($_);                      my %entries=&Apache::loncommon::record_sep($_);
                     unless (($entries{$fields{'username'}} eq '') ||                      unless (($entries{$fields{'username'}} eq '') ||
                             (!defined($entries{$fields{'username'}}))) {                              (!defined($entries{$fields{'username'}}))) {
                         delete($currentlist{$entries{$fields{'username'}}.                          delete($classlist->{$entries{$fields{'username'}}.
                                                 ':'.$domain});                                                  ':'.$domain});
                     }                      }
                 }                  }
                 # Print out list of dropped students                  # Print out list of dropped students.
                 &show_drop_list($r,%currentlist);                  &show_drop_list($r,$classlist,$keylist,'nosort');
             } else {  
                 $r->print("There are no students currently enrolled.\n");  
             }              }
         }          }
     } # end of unless      } # end of unless
Line 1025  sub drop_student_list { Line 1567  sub drop_student_list {
     }      }
     foreach (@droplist) {      foreach (@droplist) {
         my ($uname,$udom)=split(/\:/,$_);          my ($uname,$udom)=split(/\:/,$_);
           # drop student
         my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});          my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
         if ($result eq 'ok' || $result eq 'ok:') {          if ($result eq 'ok' || $result eq 'ok:') {
             $r->print('Dropped '.$uname.' at '.$udom.'<br>');              $r->print('Dropped '.$uname.' @ '.$udom.'<br>');
               $count++;
         } else {          } else {
             $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.              $r->print('Error dropping '.$uname.' @ '.$udom.': '.$result.
                       '<br />');                        '<br />');
         }          }
         $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.');      $r->print('<p>Re-enrollment will re-activate data.') if ($count);
 }  }
   
 # ================================================================ 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 1046  sub handler { Line 1621  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($r);  
             } elsif ($ENV{'form.view'}) {  
                 &menu_phase_two_view($r);  
             }  
         }  
         # Phase three  
         if ($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 {
               &print_drop_menu($r);
         }          }
         # Phase five      } elsif ($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_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 {      } 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.1.40  
changed lines
  Added in v.1.63

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