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Diff for /loncom/interface/Attic/londropadd.pm between versions 1.35 and 1.50

version 1.35, 2002/04/30 15:24:16 version 1.50, 2002/09/17 15:52:44
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,$csec,$desiredhost)=@_;      my ($udom,$unam,$courseid,$csec,$desiredhost)=@_;
     # if $csec is undefined, drop the student from all the courses matching      # if $csec is undefined, drop the student from all the courses matching
Line 95  sub modifystudent { Line 81  sub modifystudent {
             if ( ((!$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,$unam,'','','','','','','',
Line 106  sub modifystudent { Line 93  sub modifystudent {
     }      }
     if ($result eq '') {      if ($result eq '') {
         $result eq 'Unable to find section for this student';          $result eq 'Unable to find section for this student';
     } elsif ($result =~ /^(ok:)+$/) {      } else {
         $result eq 'ok';          $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 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 141  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 190  $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 250  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 291  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 311  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 332  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 339  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 360  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 413  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 457  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 482  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 503  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
Line 520  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');
Line 532  sub enroll_single_student { Line 580  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 567  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 583  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 621  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 641  $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 655  $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
Line 686  sub get_current_classlist { Line 746  sub get_current_classlist {
         }          }
         return (undef,%currentlist);          return (undef,%currentlist);
     } else {      } else {
           $tmp =~ s/^error://;
         return ($tmp,undef);          return ($tmp,undef);
     }      }
 }  }
Line 693  sub get_current_classlist { Line 754  sub get_current_classlist {
 # ========================================================= Menu Phase Two Drop  # ========================================================= Menu Phase Two Drop
 sub menu_phase_two_drop {  sub menu_phase_two_drop {
     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.'.$cid.'.domain'},      my ($error,%currentlist)=&get_current_classlist
                                            $ENV{'course.'.$cid.'.num'});          ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
     if (defined($error)) {      if (defined($error)) {
         $r->print('<pre>ERROR:$error</pre>');          if ($error =~ /^No such file or directory/) {
     }              $r->print("There are no students currently enrolled.\n");
     if (!defined(%currentlist)) {           } 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
Line 707  sub menu_phase_two_drop { Line 772  sub menu_phase_two_drop {
     }      }
 }  }
   
   # ============================================== 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 ($error,%currentlist)=&get_current_classlist
           ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
       if (defined($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)) { 
           $r->print("There are no students currently enrolled.\n");
       } else {
           # Print out the available choices
           if ($ENV{'form.action'} eq 'modifystudent') {
               &show_class_list($r,'view','modify',%currentlist);
           } else {
               &show_class_list($r,'view','aboutme',%currentlist);
           }
       }
   }
   
   # ============================================== view classlist
   sub print_csv_classlist {
       my $r=shift;
       my $cid=$ENV{'request.course.id'};
       my ($error,%currentlist)=&get_current_classlist
           ($ENV{'course.'.$cid.'.domain'},$ENV{'course.'.$cid.'.num'});
       if (defined($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)) { 
           $r->print("There are no students currently enrolled.\n");
       } else {
           &show_class_list($r,'csv','nolink',%currentlist);
       }
   }
   
   # =================================================== Show student list to drop
   sub show_class_list {
       my ($r,$mode,$linkto,%currentlist)=@_;
       my $cid=$ENV{'request.course.id'};
       # 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');
           }
           $r->print(<<END);
   <p>
   <table border=2>
   <tr><th>username</th><th>domain</th><th>ID</th>
       <th>student name</th><th>generation</th><th>section</th></tr>
   END
       } elsif ($mode eq 'csv') {
           $r->print('"'.join('","',("username","domain","ID","last name",
                                     "first name","middle name","generation",
                                     "section")).'"'."\n");
       }
       foreach (sort keys %currentlist) {
           my ($sname,$sdom)=split(/\:/,$_);
           my %reply=&Apache::lonnet::idrget($sdom,$sname);
           my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
           my %info=&Apache::lonnet::get('environment',
                                         ['firstname','middlename',
                                          'lastname','generation'],
                                         $sdom, $sname);
           my ($tmp) = keys(%info);
           if ($tmp =~ /^(con_lost|error|no_such_host)/i) {
               if ($mode eq 'view') {
                   $r->print('<tr><td colspan="6"><font color="red">'.
                       'Internal error: unable to get environment '.
                           'for '.$sname.' in domain '.$sdom.'</font></td></tr>');
               } else {
                   $r->print('"Internal error: unable to get environment for '.
                             $sname.' in domain '.$sdom.'"');
               }
           } else {
               if ($mode eq 'view') {
                   $r->print("<tr>\n    <td>\n        ");
                   if ($linkto eq 'nothing') {
                       $r->print($sname);
                   } elsif ($linkto eq 'aboutme') {
                       $r->print(&Apache::loncommon::aboutmewrapper($sname,$sname,
                                                                    $sdom));
                   } elsif ($linkto eq 'modify') {
                       $r->print('<a href="/adm/dropadd?action=modifystudent'.
                                 '&state=selected'.'&sname='.$sname.
                                 '&sdom='.$sdom.'">'.$sname."</a>\n");
                   }
                   $r->print(<<"END");
       </td>
       <td>$sdom</td>
       <td>$reply{$sname}</td>
       <td>$info{'lastname'}, $info{'firstname'} $info{'middlename'}</td>
       <td>$info{'generation'}</td>
       <td>$ssec</td>
   </tr>
   END
               } elsif ($mode eq 'csv') {
                   # no need to bother with $linkto
                   my @line = ();
                   foreach ($sname,$sdom,$reply{$sname},
                            $info{'lastname'},$info{'firstname'},
                            $info{'middlename'},$info{'generation'},$ssec) {
                       push @line,&Apache::loncommon::csv_translate($_);
                   }
                   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']);
       
       my $sname = $ENV{'form.sname'};
       my $sdom  = $ENV{'form.sdom'};
       # determine the students name information
       my %info=&Apache::lonnet::get('environment',
                                     ['firstname','middlename',
                                      'lastname','generation'],
                                     $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    
       $r->print(<<END);
   <input type="hidden" name="slogin"  value="$sname"  />
   <input type="hidden" name="sdomain" value="$sdom" />
   <input type="hidden" name="action"  value="modifystudent" />
   <input type="hidden" name="state"  value="done" />
   <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>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;
       # make sure user can modify student 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 $sname      = $ENV{'form.slogin'};
       my $sdom       = $ENV{'form.sdomain'};
       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);
       # talk to the user about what we are going to do
       $r->print(<<END);
   Modifying data for user: $sname \@ $sdom <br />
   <h3>Student Information</h3>
   <table>
   <tr><td>First name  </td><td> $firstname  </td></tr>
   <tr><td>Middle name </td><td> $middlename </td></tr>
   <tr><td>Last name   </td><td> $lastname   </td></tr>
   <tr><td>Generation  </td><td> $generation </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>
   END
       # send request(s) to modify data
       my $roleresults = 'refused';
       #my $roleresults = &Apache::lonnet::assignrole($sdom,$sname,
       #                                              $courseid.'/'.$section,
       #                                              'st',
       #                                              $endtime,$starttime);
       if ($roleresults =~/refused/) {
           $r->print("Your request to change the role information for this ".
                     "student was refused.");
       } elsif ($roleresults !~ /ok/) {
           $r->print("An error occurred during the attempt to change the role".
                     " information for this student.  The error reported was ".
                     $roleresults);
       } else { # everything is okay!
           $r->print("Student role updated successfully.");
       }
       # 
       $r->print(<<END);
   </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  # =================================================== Show student list to drop
 sub show_drop_list {  sub show_drop_list {
     my ($r,%currentlist)=@_;      my ($r,%currentlist)=@_;
     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)
 {  {
Line 768  END Line 1124  END
 END  END
 }  }
   
   #
   # 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
 sub upfile_drop_add {  sub upfile_drop_add {
     my $r=shift;      my $r=shift;
Line 796  sub upfile_drop_add { Line 1180  sub upfile_drop_add {
     if (lc($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 807  sub upfile_drop_add { Line 1191  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 942  sub upfile_drop_add { Line 1327  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 $r=shift;
Line 955  sub drop_student_list { Line 1377  sub drop_student_list {
     foreach (@droplist) {      foreach (@droplist) {
         my ($uname,$udom)=split(/\:/,$_);          my ($uname,$udom)=split(/\:/,$_);
         my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});          my $result = &modifystudent($udom,$uname,$ENV{'request.course.id'});
         if ($result eq 'ok') {          if ($result eq 'ok' || $result eq 'ok:') {
             $r->print('Dropped '.$uname.' at '.$udom.'<br>');              $r->print('Dropped '.$uname.' at '.$udom.'<br>');
         } else {          } else {
             $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.              $r->print('Error dropping '.$uname.' at '.$udom.': '.$result.
Line 967  sub drop_student_list { Line 1389  sub drop_student_list {
     $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 975  sub handler { Line 1429  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'})) {
               &menu_phase_two_drop($r);
           } elsif ($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.1.35  
changed lines
  Added in v.1.50

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