--- loncom/interface/Attic/londropadd.pm	2001/02/13 21:24:18	1.10
+++ loncom/interface/Attic/londropadd.pm	2001/02/14 22:51:48	1.12
@@ -15,7 +15,7 @@
 # 12/08,12/12 Gerd Kortemeyer)
 #
 # 12/26,12/27,12/28,
-# 01/01/01,01/15,02/10,02/13 Gerd Kortemeyer
+# 01/01/01,01/15,02/10,02/13,02/14 Gerd Kortemeyer
 
 package Apache::londropadd;
 
@@ -189,8 +189,8 @@ sub menu_phase_one {
 <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">
+<h3>Drop students</h3>
+<p><input type=submit name=drop value="Selection List">
 ENDUPFORM
 }
 
@@ -431,6 +431,7 @@ ENDPICK
 <input type=hidden name=nfields value=$i>
 <input type=hidden name=keyfields value="$keyfields">
 <h3>Login Type</h3>
+Note: this will not take effect if the user already exists<p>
 <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>
@@ -454,29 +455,292 @@ LON-CAPA domain: <input type=text size=1
 >Set Ending Date</a><p>
 <h3>Full Update</h3>
 <input type=checkbox name=fullup value=yes> Full update 
-(also dropping students)<p>
+(also print list of users not enrolled anymore)<p>
 <input type=button onClick="verify(this.form)" value="Update Courselist"><br>
 Note: for large courses, this operation might be time consuming.
 ENDPICK
 }
 
+# ======================================================= Enroll single student
+
+sub enroll_single_student {
+    my $r=shift;
+    $r->print('<h3>Enrolling Student</h3>');
+    if (($ENV{'form.cuname'})&&($ENV{'form.cuname'}!~/\W/)&&
+        ($ENV{'form.cdomain'})&&($ENV{'form.cdomain'}!~/\W/)) {
+	my $amode='';
+        my $genpwd='';
+        if ($ENV{'form.login'} eq 'krb') {
+           $amode='krb4';
+           $genpwd=$ENV{'form.krbdom'};
+        } elsif ($ENV{'form.login'} eq 'int') {
+           $amode='internal';
+           $genpwd=$ENV{'form.intpwd'};
+        }
+        if (($amode) && ($genpwd)) {
+ 	  &dropstudent($ENV{'form.cdomain'},$ENV{'form.cuname'},
+		       $ENV{'request.course.id'},$ENV{'form.csec'});
+          $r->print(&Apache::lonnet::modifystudent(
+                      $ENV{'form.cdomain'},$ENV{'form.cuname'},
+                      $ENV{'form.cstid'},$amode,$genpwd,
+ 	              $ENV{'form.cfirst'},$ENV{'form.cmiddle'},
+                      $ENV{'form.clast'},$ENV{'form.cgen'},
+                      $ENV{'form.csec'},$ENV{'form.enddate'},
+                      $ENV{'form.startdate'}));
+	} else {
+           $r->print('Invalid login mode or password');    
+        }          
+    } else {
+        $r->print('Invalid username or domain');
+    }    
+}
+
 # ======================================================= Menu Phase Two Enroll
 
 sub menu_phase_two_enroll {
     my $r=shift;
+    
+    $ENV{'SERVER_NAME'}=~/(\w+\.\w+)$/;
+    my $krbdefdom=$1;
+    $krbdefdom=~tr/a-z/A-Z/;
+
+    my $today=time;
+    my $halfyear=$today+15552000;
+
+    my $defdom=$r->dir_config('lonDefDomain');
+
+    $r->print(<<ENDSENROLL);
+<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='';
+    if ((vf.cuname.value!=undefined) && (vf.cuname.value!='') && 
+	(vf.cdomain.value!=undefined) && (vf.cdomain.value!='')) {
+        founduname=1;
+    }
+    if ((vf.cfirst.value!=undefined) && (vf.cfirst.value!='') &&
+	(vf.clast.value!=undefined) && (vf.clast.value!='')) {
+        foundname=1;
+    }
+    if ((vf.csec.value!=undefined) && (vf.csec.value!='')) {
+        foundsec=1;
+    }
+    if ((vf.cstid.value!=undefined) && (vf.cstid.value!='')) {
+	foundid=1;
+    }
+    if (founduname==0) {
+	alert('You need to specify at least the username and domain fields');
+        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 first and last name 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 (Math.round(vf.enddate.value)<Math.round(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 setkrb(vf) {
+    if (vf.krbdom.value!='') {
+       vf.login[0].checked=true;
+       vf.krbdom.value=vf.krbdom.value.toUpperCase();
+       vf.intpwd.value='';
+   }
+}
+
+function setint(vf) {
+    if (vf.intpwd.value!='') {
+       vf.login[1].checked=true;
+       vf.krbdom.value='';
+   }
+}
+
+function clickkrb(vf) {
+    vf.krbdom.value='$krbdefdom';
+    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>
+<h3>Personal Data</h3>
+First Name: <input type=text name=cfirst size=15><br>
+Middle Name: <input type=text name=cmiddle size=15><br>
+Last Name: <input type=text name=clast size=15><br>
+Generation: <input type=text name=cgen size=5><p>
+
+ID/Student Number: <input type=text name=cstid size=10><p>
+
+Group/Section: <input type=text name=csec size=5><p>
+
+<h3>Login Data</h3>
+Username: <input type=text name=cuname size=15><p>
+Domain: <input type=text size=10 value=$defdom name=cdomain><p>
+Note: login settings below  will not take effect if the user already exists<p>
+
+<input type=radio name=login value=krb onClick="clickkrb(this.form);">
+Kerberos authenticated with domain
+<input type=text size=10 name=krbdom onChange="setkrb(this.form);"><p>
+<input type=radio name=login value=int onClick="clickint(this.form);"> 
+Internally authenticated (with initial password 
+<input type=text size=10 name=intpwd onChange="setint(this.form);">)
+
+<h3>Starting and Ending Dates</h3>
+<input type="hidden" value='' name="pres_value">
+<input type="hidden" value='' name="pres_type">
+<input type="hidden" value='' name="pres_marker">
+<input type="hidden" value='$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>
+<input type=button onClick="verify(this.form)" value="Enroll as student"><br>
+<input type=hidden name=phase value=five>
+ENDSENROLL
 }
 
 # ========================================================= Menu Phase Two Drop
 
 sub menu_phase_two_drop {
     my $r=shift;
+    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\:/) {
+                     map {
+                        my ($name,$value)=split(/\=/,$_);
+                        my ($end,$start)=split(/\:/,
+                                            &Apache::lonnet::unescape($value));
+                        my $active=1;
+                        if (($end) && ($now>$end)) { $active=0; }
+                        if ($active) {
+		           $currentlist{&Apache::lonnet::unescape($name)}=1;
+                        }
+                     } split(/\&/,$classlst);
+# ----------------------------------------------------------- Print out choices
+                     &show_drop_list($r,%currentlist);
+	         } else {
+                     $r->print(
+                  '<font color=red><h3>Could not access classlist: '.$classlst.
+                  '</h3></font>');
+                 }
+}
+
+# =================================================== Show student list to drop
+
+sub show_drop_list {
+    my ($r,%currentlist)=@_;
+    my $cid=$ENV{'request.course.id'};
+
+    $r->print('<input type=hidden name=phase value=four>');
+                     $r->print('<table border=2>');
+                     map {
+                         my ($sname,$sdom)=split(/\:/,$_);
+                         my %reply=&Apache::lonnet::idrget($sdom,$sname);
+                         my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
+                         my @reply=split(/[\&\=]/,&Apache::lonnet::reply(
+                           'get:'.$sdom.':'.$sname.
+		      ':environment:firstname&middlename&lastname&generation',
+                           &Apache::lonnet::homeserver($sname,$sdom)));
+ 			 $r->print(
+                  '<tr><td><input type=checkbox name="drop:'.$_.'"></td><td>'.
+                                   $sname.'</td><td>'.$sdom.'</td><td>'.
+                                   $reply{$sname}.'</td><td>'.
+                                   &Apache::lonnet::unescape($reply[2]).' '.
+                                   &Apache::lonnet::unescape($reply[3]).', '.
+                                   &Apache::lonnet::unescape($reply[0]).' '.
+                                   &Apache::lonnet::unescape($reply[1]).
+                                   '</td><td>'.
+                                   $ssec."</td></tr>\n");
+                     } sort keys %currentlist;
+                     $r->print('</table><br>');
+                     $r->print('<input type=submit value="Drop Students">');
 }
 
 # ================================================= Drop/Add from uploaded file
 
 sub upfile_drop_add {
     my $r=shift;
-    $r->print('<input type=hidden name=phase value=four>');
 
     &load_tmp_file($r);
     my @studentdata=&upfile_record_sep();
@@ -620,26 +884,7 @@ sub upfile_drop_add {
 		        }
                      } @studentdata;
 # ----------------------------------------------------------- Print out choices
-                     $r->print('<table border=2>');
-                     map {
-                         my ($sname,$sdom)=split(/\:/,$_);
-                         my %reply=&Apache::lonnet::idrget($sdom,$sname);
-                         my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
-                         my @reply=split(/[\&\=]/,&Apache::lonnet::reply(
-                           'get:'.$sdom.':'.$sname.
-		      ':environment:firstname&middlename&lastname&generation',
-                           &Apache::lonnet::homeserver($sname,$sdom)));
- 			 $r->print(
-                  '<tr><td><input type=checkbox name="drop:'.$_.'"></td><td>'.
-                                   $sname.'</td><td>'.$sdom.'</td><td>'.
-                                   $reply{$sname}.'</td><td>'.
-                                   $reply[2].' '.$reply[3],', '.$reply[0].' '.
-                                   $reply[1].'</td><td>'.
-                                   $ssec."</td></tr>\n");
-                     } sort keys %currentlist;
-                     $r->print('</table><br>');
-                     $r->print('<input type=submit value="Drop Students">');
-
+                     &show_drop_list($r,%currentlist);
 	         } else {
                      $r->print(
                   '<font color=red><h3>Could not access classlist: '.$classlst.
@@ -651,6 +896,23 @@ sub upfile_drop_add {
 	  }
 }
 
+# ================================================================== Phase four
+
+sub drop_student_list {
+    my $r=shift;
+    my $count=0;
+    map {
+	if ($_=~/^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.');
+}
+
 # ================================================================ Main Handler
 
 sub handler {
@@ -696,6 +958,14 @@ sub handler {
 	      &upfile_drop_add($r);
           }
       }
+# ------------------------------------------------------------------ Phase four
+      if ($ENV{'form.phase'} eq 'four') {
+	  &drop_student_list($r);
+      }
+# ------------------------------------------------------------------ Phase four
+      if ($ENV{'form.phase'} eq 'five') {
+	  &enroll_single_student($r);
+      }
 # ------------------------------------------------------------------------- End
       $r->print('</form></body></html>');
    } else {