--- loncom/interface/Attic/londropadd.pm	2001/09/25 18:12:43	1.16
+++ loncom/interface/Attic/londropadd.pm	2002/03/06 22:34:06	1.20
@@ -1,6 +1,30 @@
 # The LearningOnline Network with CAPA
 # Handler to drop and add students in courses 
 #
+# $Id: londropadd.pm,v 1.20 2002/03/06 22:34:06 harris41 Exp $
+#
+# Copyright Michigan State University Board of Trustees
+#
+# This file is part of the LearningOnline Network with CAPA (LON-CAPA).
+#
+# LON-CAPA is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# LON-CAPA is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with LON-CAPA; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#
+# /home/httpd/html/adm/gpl.txt
+#
+# http://www.lon-capa.org/
+#
 # (Handler to set parameters for assessments
 #
 # (Handler to resolve ambiguous file locations
@@ -21,6 +45,9 @@
 # 8/6 Scott Harrison
 # Guy Albertelli
 # 9/25 Gerd Kortemeyer
+# 12/19 Guy Albertelli
+# YEAR=2002
+# 1/4 Gerd Kortemeyer
 
 package Apache::londropadd;
 
@@ -102,22 +129,22 @@ sub record_sep {
     if ($ENV{'form.upfiletype'} eq 'xml') {
     } elsif ($ENV{'form.upfiletype'} eq 'space') {
         my $i=0;
-        map {
+        foreach (split(/\s+/,$record) {
             my $field=$_;
             $field=~s/^(\"|\')//;
             $field=~s/(\"|\')$//;
             $components{$i}=$field;
             $i++;
-        } split(/\s+/,$record);
+        }
     } elsif ($ENV{'form.upfiletype'} eq 'tab') {
         my $i=0;
-        map {
+        foreach (split(/\t+/,$record)) {
             my $field=$_;
             $field=~s/^(\"|\')//;
             $field=~s/(\"|\')$//;
             $components{$i}=$field;
             $i++;
-        } split(/\t+/,$record);        
+        }
     } else {
         my @allfields=split(/\,/,$record);
         my $i=0;
@@ -146,7 +173,9 @@ sub dropstudent {
      my ($udom,$unam,$courseid,$csec)=@_;
      $courseid=~s/\_/\//g;
      $courseid=~s/^(\w)/\/$1/;
-     map {
+     foreach (split(/\&/,
+		    &Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles',
+			     &Apache::lonnet::homeserver($unam,$udom)))) {
         my ($key,$value)=split(/\=/,$_);
         $key=&Apache::lonnet::unescape($key);
         if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
@@ -170,8 +199,7 @@ sub dropstudent {
             }
 	  }
         }
-    } split(/\&/,&Apache::lonnet::reply('dump:'.$udom.':'.$unam.':roles',
-                                 &Apache::lonnet::homeserver($unam,$udom)));
+    }
 }
 
 # ============================================================== Menu Phase One
@@ -407,19 +435,19 @@ ENDPICK
                 if ($total>=2) {
                    %sthree=&record_sep($records[2]);
 	        }
-                map {
+                foreach (sort keys %sone) {
                    $r->print('<tr><td><select name=f'.$i.
                        ' onChange="flip(this.form,'.$i.');">');
-                   map {
-                      my ($value,$display)=split(/\:/,$_);
-                      $r->print('<option value='.$value.'>'.$display.
-                              '</option>');
-                   } ('none: ','username:Username',
+                   foreach ('none: ','username:Username',
                       'names:Last Name, First Names',
                       'fname:First Name','mname:Middle Names/Initials',
                       'lname:Last Name','gen:Generation',
                       'id:ID/Student Number','sec:Group/Section',
-                      'ipwd:Initial Password');
+                      'ipwd:Initial Password') {
+		      my ($value,$display)=split(/\:/,$_);
+                      $r->print('<option value='.$value.'>'.$display.
+                              '</option>');
+                   }
                    $r->print('</select></td><td>');
                    if (defined($sone{$_})) { 
                       $r->print($sone{$_}."</br>\n"); 
@@ -432,7 +460,7 @@ ENDPICK
                    }
                    $r->print('</td></tr>');
                    $i++;
-	       } sort keys %sone;
+	       }
 	       $i--;
 	     }
              my $keyfields=join(',',sort keys %sone);
@@ -475,6 +503,10 @@ LON-CAPA domain: <input type=text size=1
 <h3>Full Update</h3>
 <input type=checkbox name=fullup value=yes> Full update 
 (also print list of users not enrolled anymore)<p>
+<h3>ID/Student Number</h3>
+<input type=checkbox name=forceid value=yes> 
+Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
+(only do if you know what you are doing)<p>
 <input type=button onClick="verify(this.form)" value="Update Courselist"><br>
 Note: for large courses, this operation might be time consuming.
 ENDPICK
@@ -509,7 +541,7 @@ sub enroll_single_student {
  	              $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
                       $ENV{'form.clast'},$ENV{'form.cgen'},
                       $ENV{'form.csec'},$ENV{'form.enddate'},
-                      $ENV{'form.startdate'}));
+                      $ENV{'form.startdate'},$ENV{'form.forceid'}));
 	} else {
            $r->print('Invalid login mode or password');    
         }          
@@ -718,6 +750,10 @@ Local Authentication with argument
 <a 
  href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
 >Set Ending Date</a><p>
+<h3>ID/Student Number</h3>
+<input type=checkbox name=forceid value=yes> 
+Disable ID/Student Number Safeguard and Force Change of Conflicting IDs
+(only do if you know what you are doing)<p>
 <input type=button onClick="verify(this.form)" value="Enroll as student"><br>
 <input type=hidden name=phase value=five>
 ENDSENROLL
@@ -735,7 +771,7 @@ sub menu_phase_two_drop {
                  my %currentlist=();
                  my $now=time;
                  unless ($classlst=~/^error\:/) {
-                     map {
+                     foreach (split(/\&/,$classlst)) {
                         my ($name,$value)=split(/\=/,$_);
                         my ($end,$start)=split(/\:/,
                                             &Apache::lonnet::unescape($value));
@@ -744,7 +780,7 @@ sub menu_phase_two_drop {
                         if ($active) {
 		           $currentlist{&Apache::lonnet::unescape($name)}=1;
                         }
-                     } split(/\&/,$classlst);
+                     }
 # ----------------------------------------------------------- Print out choices
                      &show_drop_list($r,%currentlist);
 	         } else {
@@ -762,7 +798,7 @@ sub show_drop_list {
 
     $r->print('<input type=hidden name=phase value=four>');
                      $r->print('<table border=2>');
-                     map {
+                     foreach (sort keys %currentlist) {
                          my ($sname,$sdom)=split(/\:/,$_);
                          my %reply=&Apache::lonnet::idrget($sdom,$sname);
                          my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
@@ -780,7 +816,7 @@ sub show_drop_list {
                                    &Apache::lonnet::unescape($reply[1]).
                                    '</td><td>'.
                                    $ssec."</td></tr>\n");
-                     } sort keys %currentlist;
+                     }
                      $r->print('</table><br>');
                      $r->print('<input type=submit value="Drop Students">');
 }
@@ -828,7 +864,7 @@ sub upfile_drop_add {
               my %student=();
 # ----------------------------------------------------------- Get new classlist
 # --------------------------------------------------------- Enroll new students
-	      map {
+	      foreach (@studentdata) {
 		  my %entries=&record_sep($_);
 
                 unless (($entries{$fields{'username'}} eq '') ||
@@ -884,7 +920,8 @@ sub upfile_drop_add {
 			 &dropstudent($domain,$username,$cid,$sec);
                          my $reply=&Apache::lonnet::modifystudent(
                           $domain,$username,$id,$amode,$password,
-			   $fname,$mname,$lname,$gen,$sec,$enddate,$startdate);
+			   $fname,$mname,$lname,$gen,$sec,$enddate,$startdate,
+                           $ENV{'form.forceid'});
                          unless ($reply eq 'ok') {
                             $r->print(
                              "<p><b>Error enrolling $username: $reply</b><p>");
@@ -903,7 +940,7 @@ sub upfile_drop_add {
                      }
                   }
                  }                 
-              } @studentdata;
+              }
               $r->print('<p>Processed Students: '.$count);
 # --------------------------------------------------------------- Drop students
               if ($ENV{'form.fullup'} eq 'yes') {
@@ -916,7 +953,7 @@ sub upfile_drop_add {
                  my %currentlist=();
                  my $now=time;
                  unless ($classlst=~/^error\:/) {
-                     map {
+                     foreach (split(/\&/,$classlst)) {
                         my ($name,$value)=split(/\=/,$_);
                         my ($end,$start)=split(/\:/,
                                             &Apache::lonnet::unescape($value));
@@ -925,9 +962,9 @@ sub upfile_drop_add {
                         if ($active) {
 		           $currentlist{&Apache::lonnet::unescape($name)}=1;
                         }
-                     } split(/\&/,$classlst);
+                     }
 # ------------------------------------------------ Now got up-to-date classlist
-                     map {
+                     foreach (@studentdata) {
  	                my %entries=&record_sep($_);
                         unless (($entries{$fields{'username'}} eq '') ||
                           (!defined($entries{$fields{'username'}}))) {
@@ -935,7 +972,7 @@ sub upfile_drop_add {
                             $entries{$fields{'username'}}.':'.
                             $domain});
 		        }
-                     } @studentdata;
+                     }
 # ----------------------------------------------------------- Print out choices
                      &show_drop_list($r,%currentlist);
 	         } else {
@@ -954,14 +991,14 @@ sub upfile_drop_add {
 sub drop_student_list {
     my $r=shift;
     my $count=0;
-    map {
+    foreach (keys %ENV) {
 	if ($_=~/^form\.drop\:/) {
 	    my ($dummy,$uname,$udom)=split(/\:/,$_);
             &dropstudent($udom,$uname,$ENV{'request.course.id'});
             $r->print('Dropped '.$uname.' at '.$udom.'<br>');
             $count++;
         }
-    } keys %ENV;
+    }
     $r->print('<p><b>Dropped '.$count.' student(s).</b>');
     $r->print('<p>Re-enrollment will re-activate data.');
 }