--- loncom/interface/Attic/londropadd.pm	2000/12/26 16:39:28	1.1
+++ loncom/interface/Attic/londropadd.pm	2000/12/28 16:32:10	1.5
@@ -14,7 +14,7 @@
 # 11/20,11/21,11/22,11/23,11/24,11/25,11/27,11/28,
 # 12/08,12/12 Gerd Kortemeyer)
 #
-# 12/26 Gerd Kortemeyer
+# 12/26,12/27,12/28 Gerd Kortemeyer
 
 package Apache::londropadd;
 
@@ -54,7 +54,447 @@ sub handler {
 action="/adm/dropadd" name="studentform">
 <h2>Course: $ENV{'course.'.$ENV{'request.course.id'}.'.description'}</h2>
 ENDHEAD
+# --------------------------------------------------- Phase one, initial screen
+    unless ($ENV{'form.phase'}) {
+	$r->print(<<ENDUPFORM);
+<input type=hidden name=phase value=two>
+<hr>
+<h3>Upload a courselist</h3>
+<input type=file name=upfile size=50>
+<br>Type: <select name=upfiletype>
+<option value=csv>CSV (comma separated values, spreadsheet)</option>
+<option value=space>Space separated</option>
+<option value=tab>Tabulator separated</option>
+<option value=xml>HTML/XML</option>
+</select>
+<p><input type=submit name=fileupload value="Upload Courselist">
+<hr>
+<h3>Enroll a single student</h3>
+<p><input type=submit name=enroll value="Enroll Student">
+<hr>
+<h3>Drop a student</h3>
+<p><input type=submit name=drop value="Drop Student">
+ENDUPFORM
+      }
+# ------------------------------------------------------------------- Phase two
+      if ($ENV{'form.phase'} eq 'two') {
+	  if ($ENV{'form.fileupload'}) {
+	      my $datatoken=$ENV{'user.name'}.'_'.$ENV{'user.domain'}.
+		  '_enroll_'.$ENV{'request.course.id'}.'_'.time.'_'.$$;
+	    {
+                my $fh=Apache::File->new('>'.$r->dir_config('lonDaemons').
+                                         '/tmp/'.$datatoken.'.tmp');
+		print $fh $ENV{'form.upfile'};
+	    }
+             my $separator='';
+             my $remove='';
+             if ($ENV{'form.upfiletype'} eq 'csv') {
+		 $separator='\"\,\s*\"';
+                 $remove='"';
+             } elsif ($ENV{'form.upfiletype'} eq 'space') {
+                 $separator='\s+';
+             } elsif ($ENV{'form.upfiletype'} eq 'tab') {
+                 $separator='\t+';
+             } elsif ($ENV{'form.upfiletype'} eq 'xml') {
+             }
+             my @lines=split(/\n/,$ENV{'form.upfile'});
+             my $total=$#lines;
+             $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
+	     my $krbdefdom=$1;
+             $krbdefdom=~tr/a-z/A-Z/;
+             my $today=time;
+             my $halfyear=$today+15552000;
+             my $defdom=$r->dir_config('lonDefDomain');
+	     $r->print(<<ENDPICK);
+<input type=hidden name=phase value=three>
+<input type=hidden name=datatoken value="$datatoken">
+<input type=hidden name=upfiletype value=$ENV{'form.upfiletype'}>
+<hr>
+<h3>Identify fields</h3>
+Total number of records found in file: $total
+<script>
+function verify(vf) {
+    var founduname=0;
+    var foundpwd=0;
+    var foundname=0;
+    var foundid=0;
+    var foundsec=0;
+    var foundatype=0;
+    var tw;
+    var message='';
+    for (i=0;i<=vf.nfields.value;i++) {
+        tw=eval('vf.f'+i+'.selectedIndex');
+        if (tw==1) { founduname=1; }
+        if ((tw>=2) && (tw<=6)) { foundname=1; }
+        if (tw==7) { foundid=1; }
+        if (tw==8) { foundsec=1; } 
+        if (tw==9) { foundpwd=1; }
+    }
+    if (founduname==0) {
+	alert('You need to specify at least the username field');
+        return;
+    }
+    if (vf.login[0].checked) {
+	foundatype=1;
+        if (vf.krbdom.value=='') {
+	    alert('You need to specify the Kerberos domain');
+            return;
+        }
+    }
+    if (vf.login[1].checked) {
+	foundatype=1;
+        if ((vf.intpwd.value=='') && (foundpwd==0)) {
+	    alert('You need to specify the initial password');
+            return;
+        }
+    }
+    if (foundatype==0) {
+	alert('You need to set the login type');
+        return;
+    }
+    if (foundname==0) { message='No name fields specified. '; }
+    if (foundid==0) { message+='No ID or student number field specified. '; }
+    if (foundsec==0) { message+='No section or group field specified. '; }
+    if (vf.startdate.value=='') {
+	message+='No starting date set. ';
+    }
+    if (vf.enddate.value=='') {
+        message+='No ending date set. ';
+    }
+    if ((vf.enddate.value!='') && (vf.startdate.value!='')) {
+       if (vf.enddate.value<vf.startdate.value) {
+          alert('Ending date is before starting date');
+          return;
+       }
+    }
+    if (message!='') {
+       message+='Continue enrollment?';
+       if (confirm(message)) {
+	  pclose();
+	  vf.submit();
+       }
+    } else {
+      pclose();
+      vf.submit();
+    }   
+}
 
+function flip(vf,tf) {
+   var nw=eval('vf.f'+tf+'.selectedIndex');
+   var i;
+   for (i=0;i<=vf.nfields.value;i++) {
+      if ((i!=tf) && (eval('vf.f'+i+'.selectedIndex')==nw)) {
+          eval('vf.f'+i+'.selectedIndex=0;')      
+      } 
+   }
+   if (nw==2) {
+      for (i=0;i<=vf.nfields.value;i++) {
+         if ((eval('vf.f'+i+'.selectedIndex')>=3) &&
+             (eval('vf.f'+i+'.selectedIndex')<=6)) {
+             eval('vf.f'+i+'.selectedIndex=0;')
+         }
+      }      
+   }
+   if ((nw>=3) && (nw<=6)) {
+      for (i=0;i<=vf.nfields.value;i++) {
+         if (eval('vf.f'+i+'.selectedIndex')==2) {
+             eval('vf.f'+i+'.selectedIndex=0;')
+         }
+      }      
+   }
+   if (nw==9) {
+       vf.login[1].checked=true;
+       vf.intpwd.value='';
+       vf.krbdom.value='';
+   }
+
+}
+
+function clearpwd(vf) {
+    var i;
+    for (i=0;i<=vf.nfields.value;i++) {
+        if (eval('vf.f'+i+'.selectedIndex')==9) {
+            eval('vf.f'+i+'.selectedIndex=0;')
+        }
+    }      
+}
+
+function setkrb(vf) {
+    if (vf.krbdom.value!='') {
+       clearpwd(vf);
+       vf.login[0].checked=true;
+       vf.krbdom.value=vf.krbdom.value.toUpperCase();
+       vf.intpwd.value='';
+   }
+}
+
+function setint(vf) {
+    if (vf.intpwd.value!='') {
+       clearpwd(vf);
+       vf.login[1].checked=true;
+       vf.krbdom.value='';
+   }
+}
+
+function clickkrb(vf) {
+    vf.krbdom.value='$krbdefdom';
+    clearpwd(vf);
+    vf.intpwd.value='';
+}
+
+function clickint(vf) {
+    vf.krbdom.value='';
+}
+
+    function pclose() {
+        parmwin=window.open("/adm/rat/empty.html","LONCAPAparms",
+                 "height=350,width=350,scrollbars=no,menubar=no");
+        parmwin.close();
+    }
+
+    function pjump(type,dis,value,marker,ret,call) {
+        parmwin=window.open("/adm/rat/parameter.html?type="+escape(type)
+                 +"&value="+escape(value)+"&marker="+escape(marker)
+                 +"&return="+escape(ret)
+                 +"&call="+escape(call)+"&name="+escape(dis),"LONCAPAparms",
+                 "height=350,width=350,scrollbars=no,menubar=no");
+
+    }
+
+    function dateset() {
+        if (document.studentform.pres_marker.value=='end') {
+           document.studentform.enddate.value=
+	       document.studentform.pres_value.value;
+        }
+        if (document.studentform.pres_marker.value=='start') {
+           document.studentform.startdate.value=
+	       document.studentform.pres_value.value;
+        }
+        pclose();
+    }
+
+</script>
+<table border=2><tr><th>Field</th><th>Samples</th></tr>
+ENDPICK
+             my @sone; my @stwo; my @sthree; my $nfields=0;
+             if ($#lines>=0) {
+		$lines[0]=~s/^$remove//;
+                $lines[0]=~s/$remove$//;
+                @sone=split(/$separator/,$lines[0]);
+                $nfields=$#sone;
+                if ($#lines>=1) {
+        	   $lines[1]=~s/^$remove//;
+                   $lines[1]=~s/$remove$//;
+                   @stwo=split(/$separator/,$lines[1]);
+                   $nfields=$#stwo;
+	        }
+                if ($#lines>=2) {
+		   $lines[2]=~s/^$remove//;
+                   $lines[2]=~s/$remove$//;
+                   @sthree=split(/$separator/,$lines[2]);
+                   $nfields=$#sthree;
+	        }
+                my $i;
+                for ($i=0;$i<=$nfields;$i++) {
+                   $r->print('<tr><td><select name=f'.$i.
+                       ' onChange="flip(this.form,'.$i.');">');
+                   map {
+                      my ($value,$display)=split(/\:/,$_);
+                      $r->print('<option value='.$value.'>'.$display.
+                              '</option>');
+                   } ('none: ','username:Username',
+                      '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');
+                   $r->print('</select></td><td>');
+                   if (defined($sone[$i])) { 
+                      $r->print($sone[$i]."</br>\n"); 
+                   }
+	           if (defined($stwo[$i])) { 
+                      $r->print($stwo[$i]."</br>\n"); 
+                   }
+	           if (defined($sthree[$i])) { 
+                      $r->print($sthree[$i]."</br>\n"); 
+                   }
+                   $r->print('</td></tr>');
+	       }
+	     }
+             $r->print(<<ENDPICK);
+</table>
+<input type=hidden name=nfields value=$nfields>
+<h3>Login Type</h3>
+<input type=radio name=login value=krb onClick="clickkrb(this.form);">
+Kerberos authenticated with domain
+<input type=text size=10 name=krbdom onChange="setkrb(this.form);"><p>
+<input type=radio name=login value=int onClick="clickint(this.form);"> 
+Internally authenticated (with initial password 
+<input type=text size=10 name=intpwd onChange="setint(this.form);">)
+<h3>LON-CAPA Domain for Students</h3>
+LON-CAPA domain: <input type=text size=10 value=$defdom name=lcdomain><p>
+<h3>Starting and Ending Dates</h3>
+<input type="hidden" value='' name="pres_value">
+<input type="hidden" value='' name="pres_type">
+<input type="hidden" value='' name="pres_marker">
+<input type="hidden" value='$today' name=startdate>
+<input type="hidden" value='$halfyear' name=enddate>
+<a 
+ href="javascript:pjump('date_start','Enrollment Starting Date',document.studentform.startdate.value,'start','studentform.pres','dateset');"
+>Set Starting Date</a><p>
+
+<a 
+ href="javascript:pjump('date_end','Enrollment Ending Date',document.studentform.enddate.value,'end','studentform.pres','dateset');"
+>Set Ending Date</a><p>
+<h3>Full Update</h3>
+<input type=checkbox name=fullup value=yes> Full update 
+(also dropping students)<p>
+<input type=button onClick="verify(this.form)" value="Submit Selection">
+ENDPICK
+         } elsif ($ENV{'form.enroll'}) {
+         } elsif ($ENV{'form.drop'}) {
+         }
+      }
+# ----------------------------------------------------------------- Phase three
+      if ($ENV{'form.phase'} eq 'three') {
+	  if ($ENV{'form.datatoken'}) {
+             my $separator='';
+             my $remove='';
+             if ($ENV{'form.upfiletype'} eq 'csv') {
+		 $separator='\"\,\s*\"';
+                 $remove='"';
+             } elsif ($ENV{'form.upfiletype'} eq 'space') {
+                 $separator='\s+';
+             } elsif ($ENV{'form.upfiletype'} eq 'tab') {
+                 $separator='\t+';
+             } elsif ($ENV{'form.upfiletype'} eq 'xml') {
+             }
+             my %fields=();
+             for (my $i=0;$i<=$ENV{'form.nfields'};$i++) {
+                 $fields{$ENV{'form.f'.$i}}=$i;
+             }
+             my $startdate=$ENV{'form.startdate'};
+             my $enddate=$ENV{'form.enddate'};
+             if ($startdate=~/\D/) { $startdate=''; }
+             if ($enddate=~/\D/) { $enddate=''; }
+             my $domain=$ENV{'form.lcdomain'};
+             my $amode='';
+             my $genpwd='';
+             if ($ENV{'form.login'} eq 'krb') {
+                 $amode='krb4';
+                 $genpwd=$ENV{'form.krbdom'};
+             } elsif ($ENV{'form.login'} eq 'int') {
+                 $amode='internal';
+                 if ((defined($ENV{'form.intpwd'})) && ($ENV{'form.intpwd'})) {
+		     $genpwd=$ENV{'form.intpwd'};
+                 }
+             }
+             unless (($domain=~/\W/) || ($amode eq '')) {
+              $r->print('<h3>Enrolling Students</h3>');
+              my $count=1;
+# ----------------------------------------------------------- Get new classlist
+              my @studentdata=();
+             {
+                my $fh;
+                if ($fh=Apache::File->new($r->dir_config('lonDaemons').
+		              '/tmp/'.$ENV{'form.datatoken'}.'.tmp')) {
+		    @studentdata=<$fh>;
+                }
+	     }
+# --------------------------------------------------------- Enroll new students
+	      map {
+                my $line=$_;
+                chomp($line);
+                $line=~s/^$remove//;
+                $line=~s/$remove$//;
+	        my @entries=split(/$separator/,$line);
+                unless (($entries[$fields{'username'}] eq '') ||
+                        (!defined($entries[$fields{'username'}]))) {
+                  my $fname=''; my $mname=''; my $lname=''; my $gen='';
+                  if (defined($fields{'names'})) {
+		      ($lname,$fname,$mname)=
+	            ($entries[$fields{'names'}]=~/([^\,]+)\,\s*(\w+)\s*(.*)$/);
+                  } else {
+                      if (defined($fields{'fname'})) {
+		         $fname=$entries[$fields{'fname'}];
+		      }
+                      if (defined($fields{'mname'})) {
+		         $mname=$entries[$fields{'mname'}];
+		      }
+                      if (defined($fields{'lname'})) {
+		         $lname=$entries[$fields{'lname'}];
+		      }
+                      if (defined($fields{'gen'})) {
+		         $gen=$entries[$fields{'gen'}];
+		      }
+                  }
+                  if ($entries[$fields{'username'}]=~/\W/) {
+                     $r->print('<p><b>Unacceptable username: '.
+                              $entries[$fields{'username'}].' for user '.
+                              $fname.' '.$mname.' '.$lname.' '.$gen.'</b><p>');
+		  } else {
+                      my $sec='';
+                      my $username=$entries[$fields{'username'}];
+                      if (defined($fields{'sec'})) {
+                         if (defined($entries[$fields{'sec'}])) {
+			     $sec=$entries[$fields{'sec'}];
+                         }
+                      }
+                      my $id='';
+                      if (defined($fields{'id'})) {
+                         if (defined($entries[$fields{'id'}])) {
+			     $id=$entries[$fields{'id'}];
+                         }
+                         $id=~tr/A-Z/a-z/;
+                      }
+                      my $password='';
+                      if ($genpwd) { 
+                         $password=$genpwd; 
+		      } else {
+                         if (defined($fields{'ipwd'})) {
+			     if ($entries[$fields{'ipwd'}]) {
+				 $password=$entries[$fields{'ipwd'}];
+                             }
+                         }
+                      }
+                      if ($password) { 
+                         my $reply=&Apache::lonnet::modifystudent(
+                          $domain,$username,$id,$amode,$password,
+			   $fname,$mname,$lname,$gen,$sec,$enddate,$startdate);
+                         unless ($reply eq 'ok') {
+                            $r->print(
+                             "<p><b>Error enrolling $username: $reply</b><p>");
+			 }
+                     } else {
+                            $r->print(
+                             "<p><b>No password for $username</b><p>");
+                     }
+                  }
+                 }                 
+              } @studentdata;
+# --------------------------------------------------------------- Drop students
+              if ($ENV{'form.fullup'} eq 'yes') {
+		 $r->print('<h3>Dropping Students</h3>');
+# ------------------------------------------------------- Get current classlist
+                 my $cid=$ENV{'request.course.id'};
+                 my $classlst=&Apache::lonnet::reply
+                 ('dump:'.$ENV{'course.'.$cid.'.domain'}.':'.
+	                  $ENV{'course.'.$cid.'.num'}.':classlist',
+	                  $ENV{'course.'.$cid.'.home'});
+                 my %currentlist=();
+                 my $now=time;
+                 unless ($classlst=~/^error\:/) {
+	         } else {
+                     $r->print(
+                  '<font color=red><h3>Could not access classlist: '.$classlst.
+                  '</h3></font>');
+                 }
+	     }
+# ------------------------------------------------------------------------ Done
+          }
+        }
+      }
+# ------------------------------------------------------------------------- End
       $r->print('</form></body></html>');
    } else {
 # ----------------------------- Not in a course, or not allowed to modify parms