--- loncom/interface/Attic/lonchart.pm 2001/01/31 23:21:06 1.1
+++ loncom/interface/Attic/lonchart.pm 2002/06/05 05:05:38 1.43
@@ -1,4 +1,30 @@
# The LearningOnline Network with CAPA
+# (Publication Handler
+#
+# $Id: lonchart.pm,v 1.43 2002/06/05 05:05:38 stredwic 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/
+#
# Homework Performance Chart
#
# (Navigate Maps Handler
@@ -6,76 +32,246 @@
# (Page Handler
#
# (TeX Content Handler
-#
+# YEAR=2000
# 05/29/00,05/30 Gerd Kortemeyer)
# 08/30,08/31,09/06,09/14,09/15,09/16,09/19,09/20,09/21,09/23,
# 10/02,10/10,10/14,10/16,10/18,10/19,10/31,11/6,11/14,11/16 Gerd Kortemeyer)
+# YEAR=2001
+# 3/1/1,6/1,17/1,29/1,30/1,31/1 Gerd Kortemeyer)
+# 7/10/01 Behrouz Minaei
+# 9/8 Gerd Kortemeyer
+# 10/1, 10/19, 11/17, 11/22, 11/24, 11/28 12/18 Behrouz Minaei
+# YEAR=2002
+# 2/1, 2/6, 2/19, 2/28 Behrouz Minaei
#
-# 3/1/1,6/1,17/1,29/1,30/1 Gerd Kortemeyer)
-#
-# 1/31 Gerd Kortemeyer
+###
package Apache::lonchart;
use strict;
use Apache::Constants qw(:common :http);
use Apache::lonnet();
+use Apache::loncommon();
use HTML::TokeParser;
use GDBM_File;
# -------------------------------------------------------------- Module Globals
my %hash;
+my %CachData;
my @cols;
-my @rowlabels;
-my @students;
-
+my $r;
+my $c;
+
# ------------------------------------------------------------- Find out status
-sub astatus {
- my $rid=shift;
- my $code=' ';
- $rid=~/(\d+)\.(\d+)/;
- my $symb=&Apache::lonnet::declutter($hash{'map_id_'.$1}).'___'.$2.'___'.
- &Apache::lonnet::declutter($hash{'src_'.$rid});
- my $answer=&Apache::lonnet::reply(
- "restore:$ENV{'user.domain'}:$ENV{'user.name'}:".
- $ENV{'request.course.id'}.':'.
- &Apache::lonnet::escape($symb),
- "$ENV{'user.home'}");
- my %returnhash=();
- map {
- my ($name,$value)=split(/\=/,$_);
- $returnhash{&Apache::lonnet::unescape($name)}=
- &Apache::lonnet::unescape($value);
- } split(/\&/,$answer);
- if ($returnhash{'version'}) {
- my $version;
- for ($version=1;$version<=$returnhash{'version'};$version++) {
- map {
- $returnhash{$_}=$returnhash{$version.':'.$_};
- } split(/\:/,$returnhash{$version.':keys'});
- }
- my $totaltries=0;
- map {
- if (($_=~/\.(\w+)\.solved$/) && ($_!~/^\d+\:/)) {
- my $part=$1;
- if ($returnhash{$_} eq 'correct_by_student') {
- unless (($code eq '.') || ($code eq '-')) { $code='*'; }
- $totaltries+=$returnhash{'resource.'.$part.'.tries'};
- } elsif ($returnhash{$_} eq 'correct_by_override') {
- unless (($code eq '.') || ($code eq '-')) { $code='+'; }
- } elsif ($returnhash{$_} eq 'incorrect_attempted') {
- $code='.';
- } elsif ($returnhash{$_} eq 'incorrect_by_override') {
- $code='-';
- } elsif ($returnhash{$_} eq 'excused') {
- unless (($code eq '.') || ($code eq '-')) { $code='x'; }
- }
- }
- } keys %returnhash;
- if (($code eq '*') && ($totaltries<10)) { $code="$totaltries"; }
+sub ExtractStudentData {
+ my ($name,$coid)=@_;
+ my ($sname,$sdom) = split(/\:/,$name);
+ my $ResId;
+ my $Code;
+ my $Tries;
+ my $Wrongs;
+ my %TempHash;
+ my $Version;
+ my $problemsCorrect;
+ my $problemsSolved;
+ my $totalProblems;
+ my $LatestVersion;
+ my $Str;
+
+ # Handle Student information ------------------------------------------
+ # Handle errors
+# if($CachData{$name.':error'} =~ /environment/) {
+# my $errorMessage = $CachData{$name.':error'};
+# return '<td>'.$sname.'</td><td>'.$sdom.
+# '</td><td><font color="#000088">'.$errorMessage.'</font></td>';
+# }
+
+ # Handle user data
+ $Str = '<td><pre>'.$sname.'</pre></td><td><pre>'.$sdom;
+ $Str .= '</pre></td><td><pre>'.$CachData{$name.':section'};
+ $Str .= '</pre></td><td><pre>'.$CachData{$name.':id'};
+ $Str .= '</pre></td><td><pre>'.$CachData{$name.':fullname'};
+ $Str .= '</pre></td>';
+
+ if($CachData{$name.':error'} =~ /course/) {
+ return $Str;
+# my $errorMessage = 'May have no course data or '.
+# $CachData{$name.':error'};
+# return '<td>'.$sname.'</td><td>'.$sdom.
+# '</td><td><font color="#000088">'.$errorMessage.'</font></td>';
+ }
+
+ # Handle problem data ------------------------------------------------
+ $Str .= '<td><pre>';
+ $problemsCorrect = 0;
+ $totalProblems = 0;
+ $problemsSolved = 0;
+ my $IterationNo = 0;
+ foreach $ResId (@cols) {
+ if ($IterationNo == 0) {
+ # Looks to be skipping start resource
+ $IterationNo++;
+ next;
+ }
+
+ # ResId is 0 for sequences and pages,
+ # please check tracetable for changes
+ if (!$ResId) {
+ my $outputProblemsCorrect = sprintf( "%3d", $problemsCorrect );
+ $Str .= '<font color="#007700">'.$outputProblemsCorrect.
+ '</font></pre></td>';
+ $Str .= '<td><pre>';
+ $problemsSolved += $problemsCorrect;
+ $problemsCorrect=0;
+ next;
+ }
+
+ # Set $1 and $2
+ $ResId=~/(\d+)\.(\d+)/;
+ my $meta=$hash{'src_'.$ResId};
+ my $numberOfParts = 0;
+ undef %TempHash;
+ foreach (split(/\,/,&Apache::lonnet::metadata($meta,'keys'))) {
+#----------- Overwrite $1 in next statement ---------------------------------
+ if ($_=~/^stores\_(\d+)\_tries$/) {
+ my $Part=&Apache::lonnet::metadata($meta,$_.'.part');
+ if ( $TempHash{"$Part"} eq '' ) {
+ $TempHash{"$Part"} = $Part;
+ $TempHash{$numberOfParts}=$Part;
+ $TempHash{"$Part.Code"} = ' ';
+ $numberOfParts++;
+ }
+ }
+ }
+
+#----------- Using $1 and $2 -----------------------------------------------
+ my $Prob = &Apache::lonnet::symbclean(
+ &Apache::lonnet::declutter($hash{'map_id_'.$1} ).
+ '___'.$2.'___'.
+ &Apache::lonnet::declutter( $hash{'src_'.$ResId} ));
+ $Code=' ';
+ $Tries = 0;
+ $LatestVersion = $CachData{$name.":version:$Prob"};
+
+ if ( $LatestVersion ) {
+ for ( my $Version=1; $Version<=$LatestVersion; $Version++ ) {
+ my $vkeys = $CachData{$name.":$Version:keys:$Prob"};
+ my @keys = split(/\:/,$vkeys);
+
+ foreach my $Key (@keys) {
+#---------------------- Changing $1 -------------------------------------------
+ if (($Key=~/\.(\w+)\.solved$/) && ($Key!~/^\d+\:/)) {
+#---------------------- Using $1 -----------------------------------------------
+ my $Part = $1;
+ $Tries = $CachData{$name.":$Version:$Prob".
+ ":resource.$Part.tries"};
+ $TempHash{"$Part.Tries"}=($Tries) ? $Tries : 0;
+ my $Val = $CachData{$name.":$Version:$Prob".
+ ":resource.$Part.solved"};
+ if ($Val eq 'correct_by_student') {$Code = '*';}
+ elsif ($Val eq 'correct_by_override') {$Code = '+';}
+ elsif ($Val eq 'incorrect_attempted') {$Code = '.';}
+ elsif ($Val eq 'incorrect_by_override'){$Code = '-';}
+ elsif ($Val eq 'excused') {$Code = 'x';}
+ elsif ($Val eq 'ungraded_attempted') {$Code = '#';}
+ else {$Code = ' ';}
+
+ $TempHash{"$Part.Code"} = $Code;
+ }
+ }
+ }
+# Actually append problem to output (all parts)
+ $Str.='<a href="/adm/grades?symb='.
+ &Apache::lonnet::escape($Prob).
+ '&student='.$sname.'&domain='.$sdom.'&command=submission">';
+ for(my $n = 0; $n < $numberOfParts; $n++) {
+ my $part = $TempHash{$n};
+ my $code2 = $TempHash{"$part.Code"};
+ if($code2 eq '*') {
+ $problemsCorrect++;
+# !!!!!!!!!!!------------------------- Should 10 not be maxtries? ------------
+ if (($TempHash{"$part.Tries"}<10) ||
+ ($TempHash{"$part.Tries"} eq '')) {
+ $TempHash{"$part.Code"}=$TempHash{"$part.Tries"};
+ }
+ } elsif($code2 eq '+') {
+ $problemsCorrect++;
+ }
+
+ $Str .= $TempHash{"$part.Code"};
+
+ if($code2 ne 'x') {
+ $totalProblems++;
+ }
+ }
+ $Str.='</a>';
+ } else {
+ for(my $n=0; $n<$numberOfParts; $n++) {
+ $Str.=' ';
+ $totalProblems++;
+ }
+ }
}
- return $code;
+
+ $Str .= '<td><pre><font color="#000088">'.$problemsSolved.
+ ' / '.$totalProblems.'</font></pre></td>';
+
+ return $Str;
+}
+
+sub CreateForm {
+ my $OpSel1='';
+ my $OpSel2='';
+ my $OpSel3='';
+ my $Status = $ENV{'form.status'};
+ if ( $Status eq 'Any' ) { $OpSel3='selected'; }
+ elsif ($Status eq 'Expired' ) { $OpSel2 = 'selected'; }
+ else { $OpSel1 = 'selected'; }
+
+ my $Ptr = '<form name=stat method=post action="/adm/chart" >'."\n";
+ $Ptr .= '<b> Sort by: </b>'."\n";
+ $Ptr .= ' ';
+ $Ptr .= '<input type=submit name=sort value="User Name" />'."\n";
+ $Ptr .= ' ';
+ $Ptr .= '<input type=submit name=sort value="Last Name" />'."\n";
+ $Ptr .= ' ';
+ $Ptr .= '<input type=submit name=sort value="Section"/>'."\n";
+ $Ptr .= '<br><br>';
+ $Ptr .= '<b> Student Status: </b>'."\n".
+ '<select name="status">'.
+ '<option '.$OpSel1.' >Active</option>'."\n".
+ '<option '.$OpSel2.' >Expired</option>'."\n".
+ '<option '.$OpSel3.' >Any</option> </select> '."\n";
+ $Ptr .= ' ';
+ $Ptr .= '<input type=submit name=sort value="Recalculate Chart"/>'."\n";
+ $Ptr .= '</form>'."\n";
+ $r->print( $Ptr );
+}
+
+sub CreateTableHeadings {
+ $r->print('<tr>');
+ $r->print('<td>User Name</td>');
+ $r->print('<td>Domain</td>');
+ $r->print('<td>Section</td>');
+ $r->print('<td>PID</td>');
+ $r->print('<td>Full Name</td>');
+
+ my $ResId;
+ my $IterationNo = 0;
+ foreach $ResId (@cols) {
+ if ($IterationNo == 0) {$IterationNo++; next;}
+ if (!$ResId) {
+# my $PrNo = sprintf( "%3d", $ProbNo );
+# $Str .= '<td><font color="#007700">Chapter '.$PrNo.'</font></td>';
+ $r->print('<td><font color="#007700">Chapter '.'0'.'</font></td>');
+ }
+ }
+
+ $r->print('</tr>');
+ $r->rflush();
+
+ return;
}
# ------------------------------------------------------------ Build page table
@@ -84,9 +280,10 @@ sub tracetable {
my ($rid,$beenhere)=@_;
unless ($beenhere=~/\&$rid\&/) {
$beenhere.=$rid.'&';
+# new ... updating the map according to sequence and page
if (defined($hash{'is_map_'.$rid})) {
- if ($hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}}
- eq 'sequence') {
+ my $cmap=$hash{'map_type_'.$hash{'map_pc_'.$hash{'src_'.$rid}}};
+ if ( $cmap eq 'sequence' || $cmap eq 'page' ) {
$cols[$#cols+1]=0;
}
if ((defined($hash{'map_start_'.$hash{'src_'.$rid}})) &&
@@ -113,186 +310,404 @@ sub tracetable {
}
}
if (defined($hash{'to_'.$rid})) {
- map {
+ foreach (split(/\,/,$hash{'to_'.$rid})){
&tracetable($hash{'goesto_'.$_},$beenhere);
- } split(/\,/,$hash{'to_'.$rid});
+ }
}
}
}
-# ================================================================ Main Handler
+sub usection {
+ my ($udom,$unam,$courseid,$ActiveFlag)=@_;
+ $courseid=~s/\_/\//g;
+ $courseid=~s/^(\w)/\/$1/;
+
+ my %result=&Apache::lonnet::dump('roles',$udom,$unam);
+
+ my($checkForError)=keys (%result);
+ if($checkForError =~ /^(con_lost|error|no_such_host)/i) {
+ return -1;
+ }
-sub handler {
- my $r=shift;
+ my $cursection='-1';
+ my $oldsection='-1';
+ my $status='Expired';
+ foreach my $key (keys (%result)) {
+ my $value = $result{$key};
+ if ($key=~/^$courseid(?:\/)*(\w+)*\_st$/) {
+ my $section=$1;
+ if ($key eq $courseid.'_st') { $section=''; }
+ my ($dummy,$end,$start)=split(/\_/,$value);
+ my $now=time;
+ my $notactive=0;
+ if ($start) {
+ if($now<$start) {
+ $notactive=1;
+ }
+ }
+ if($end) {
+ if ($now>$end) {
+ $notactive=1;
+ }
+ }
+ if($notactive == 0) {
+ $status='Active';
+ $cursection=$section;
+ }
+ if($notactive == 1) {
+ $oldsection=$section;
+ }
+ }
+ }
+ if($status eq $ActiveFlag) {
+ if($cursection eq '-1') {
+ return $oldsection;
+ }
+ return $cursection;
+ }
+ if($ActiveFlag eq 'Any') {
+ if($cursection eq '-1') {
+ return $oldsection;
+ }
+ return $cursection;
+ }
+ return '-1';
+}
- if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
-# ------------------------------------------- Set document type for header only
+sub ProcessFullName {
+ my ($name)=@_;
+ my $Str = '';
+
+ if($CachData{$name.':lastname'} ne '') {
+ $Str .= $CachData{$name.':lastname'}.' ';
+ if($CachData{$name.':generation'} ne '') {
+ $Str .= $CachData{$name.':generation'};
+ } else {
+ chop($Str);
+ }
+ $Str .= ', ';
+ if($CachData{$name.':firstname'} ne '') {
+ $Str .= $CachData{$name.':firstname'}.' ';
+ }
+ if($CachData{$name.':middlename'} ne '') {
+ $Str .= $CachData{$name.':middlename'};
+ } else {
+ chop($Str);
+ if($CachData{$name.'firstname'} eq '') {
+ chop($Str);
+ }
+ }
+ } else {
+ if($CachData{$name.':firstname'} ne '') {
+ $Str .= $CachData{$name.':firstname'}.' ';
+ }
+ if($CachData{$name.':middlename'} ne '') {
+ $Str .= $CachData{$name.':middlename'}.' ';
+ }
+ if($CachData{$name.':generation'} ne '') {
+ $Str .= $CachData{$name.':generation'};
+ } else {
+ chop($Str);
+ }
+ }
- if ($r->header_only) {
- if ($ENV{'browser.mathml'}) {
- $r->content_type('text/xml');
- } else {
- $r->content_type('text/html');
- }
- $r->send_http_header;
- return OK;
- }
+ return $Str;
+}
- my $requrl=$r->uri;
-# ----------------------------------------------------------------- Tie db file
- if ($ENV{'request.course.fn'}) {
- my $fn=$ENV{'request.course.fn'};
- if (-e "$fn.db") {
- if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
-# ------------------------------------------------------------------- Hash tied
+sub DownloadStudentInformation {
+ my ($name,$courseID)=@_;
+ my ($studentName,$studentDomain) = split(/\:/,$name);
+ my $checkForError;
+ my $key;
+ my $Status=$CachData{$name.':Status'};
+
+#-----------------------------------------------------------------
+ # Download student environment data, specifically the full name and id.
+ my %studentInformation=&Apache::lonnet::get('environment',
+ ['lastname','generation',
+ 'firstname','middlename',
+ 'id'],
+ $studentDomain,$studentName);
+ if($c->aborted()) {
+ return;
+ }
+ ($checkForError)=keys (%studentInformation);
+ if($checkForError =~ /^(con_lost|error|no_such_host)/i) {
+ $CachData{$name.':error'}=
+ 'Could not download student environment data.';
+# return;
+ $CachData{$name.':lastname'}='';
+ $CachData{$name.':generation'}='';
+ $CachData{$name.':firstname'}='';
+ $CachData{$name.':middlename'}='';
+ $CachData{$name.':fullname'}='';
+ $CachData{$name.':id'}='';
+ } else {
+ $CachData{$name.':lastname'}=$studentInformation{'lastname'};
+ $CachData{$name.':generation'}=$studentInformation{'generation'};
+ $CachData{$name.':firstname'}=$studentInformation{'firstname'};
+ $CachData{$name.':middlename'}=$studentInformation{'middlename'};
+ $CachData{$name.':fullname'}=&ProcessFullName($name);
+ $CachData{$name.':id'}=$studentInformation{'id'};
+ }
+
+ # Download student course data
+ my %courseData=&Apache::lonnet::dump($courseID,$studentDomain,
+ $studentName);
+ if($c->aborted()) {
+ return;
+ }
+ ($checkForError)=keys (%courseData);
+ if($checkForError =~ /^(con_lost|error|no_such_host)/i) {
+ $CachData{$name.':error'}='Could not download course data.';
+# return;
+ } else {
+ foreach $key (keys (%courseData)) {
+ $CachData{$name.':'.$key}=$courseData{$key};
+ }
+ }
+ # Get student's section number
+ my $sec=&usection($studentDomain, $studentName, $courseID, $Status);
+ if($sec != -1) {
+ $CachData{$name.':section'}=sprintf('%3s',$sec);
+ } else {
+ $CachData{$name.':section'}='';
+ }
-# ------------------------------------------------------------------ Build page
+ return;
+}
-# ---------------------------------------------------------------- Send headers
+sub SortStudents {
+# --------------------------------------------------------------- Sort Students
+ my $Pos = $ENV{'form.sort'};
+ my @students = split(/:::/,$CachData{'NamesOfStudents'});
+ my %sortData;
+
+ if($Pos eq 'Last Name') {
+ for(my $index=0; $index<$#students+1; $index++) {
+ $sortData{$CachData{$students[$index].':fullname'}}=
+ $students[$index];
+ }
+ } elsif($Pos eq 'Section') {
+ for(my $index=0; $index<$#students+1; $index++) {
+ $sortData{$CachData{$students[$index].':section'}.
+ $students[$index]}=$students[$index];
+ }
+ } else {
+ # Sort by user name
+ for(my $index=0; $index<$#students+1; $index++) {
+ $sortData{$students[$index]}=$students[$index];
+ }
+ }
- $r->content_type('text/html');
- $r->send_http_header;
- $r->print(
- '<html><head><title>LON-CAPA Assessment Chart</title></head>');
-
- $r->print('<body bgcolor="#FFFFFF">'.
- '<script>window.focus();</script>'.
- '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
- '<h1>Assessment Chart</h1>');
+ my @order = ();
+ foreach my $key (sort keys(%sortData)) {
+ push (@order,$sortData{$key});
+ }
-# ---------------------------------------------------------------- Course title
+ return @order;
+}
- $r->print('<h1>'.
- $ENV{'course.'.$ENV{'request.course.id'}.'.description'}.'</h1>');
+sub CollectClasslist {
+# -------------------------------------------------------------- Get class list
+ my $cid=$ENV{'request.course.id'};
+ my $chome=$ENV{'course.'.$cid.'.home'};
+ my ($cdom,$cnum)=split(/\_/,$cid);
+ my %classlist=&Apache::lonnet::dump('classlist',$cdom,$cnum);
+ my @names = ();
+
+ my($checkForError)=keys (%classlist);
+ if($checkForError =~ /^(con_lost|error|no_such_host)/i) {
+ $r->print('<h1>Could not access course data</h1>');
+ push (@names, 'error');
+ return @names;
+ }
+# ------------------------------------- Calculate Status and number of students
+ my $now=time;
+ foreach my $name (sort(keys(%classlist))) {
+ my $value=$classlist{$name};
+ my ($end,$start)=split(/\:/,$value);
+ my $active=1;
+ my $Status=$ENV{'form.status'};
+ $Status = ($Status) ? $Status : 'Active';
+ if((($end) && $now > $end) && (($Status eq 'Active'))) {
+ $active=0;
+ }
+ if(($Status eq 'Expired') && ($end == 0 || $now < $end)) {
+ $active=0;
+ }
+ if($active) {
+ push(@names,$name);
+ $CachData{$name.':Status'}=$Status;
+ }
+ }
-# ------------------------------- This is going to take a while, produce output
+ $CachData{'NamesOfStudents'}=join(":::",@names);
- $r->rflush();
+ return @names;
+}
+sub BuildChart {
# ----------------------- Get first and last resource, see if there is anything
+ my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
+ my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
+ if (!($firstres) || !($lastres)) {
+ $r->print('<h3>Undefined course sequence</h3>');
+ return;
+ }
+# --------------- Find all assessments and put them into some linear-like order
+ &tracetable($firstres,'&'.$lastres.'&');
- my $firstres=$hash{'map_start_/res/'.$ENV{'request.course.uri'}};
- my $lastres=$hash{'map_finish_/res/'.$ENV{'request.course.uri'}};
- if (($firstres) && ($lastres)) {
# ----------------------------------------------------------------- Render page
+ &CreateForm();
- my $cid=$ENV{'request.course.id'};
- my $chome=$ENV{'course.'.$cid.'.home'};
- my ($cdom,$cnum)=split(/\_/,$cid);
+ my $cid=$ENV{'request.course.id'};
+ my $ChartDB = "/home/httpd/perl/tmp/$ENV{'user.name'}".
+ "_$ENV{'user.domain'}_$cid\_chart.db";
+ my $isCached = 0;
+ my @students;
+ if ((-e "$ChartDB") && ($ENV{'form.sort'} ne 'Recalculate Chart')) {
+ if (tie(%CachData,'GDBM_File',"$ChartDB",&GDBM_READER,0640)) {
+ $isCached = 1;
+ @students=&SortStudents();
+ } else {
+ $r->print("Unable to tie hash to db file");
+ $r->rflush();
+ return;
+ }
+ } else {
+ if (tie(%CachData,'GDBM_File',$ChartDB,&GDBM_NEWDB,0640)) {
+ $isCached = 0;
+ @students=&CollectClasslist();
+ if($students[0] eq 'error') {
+ return;
+ }
+ } else {
+ $r->print("Unable to tie hash to db file");
+ return;
+ }
+ }
-# ---------------------------------------------- Read class list and row labels
+ $r->print('<h3>'.($#students+1).' students</h3>');
+ $r->rflush();
- undef @rowlabels;
- undef @students;
+# ----------------------------------------------------------------- Start table
+ $r->print('<table><tbody>');
+# &CreateTableHeadings();
+ my @updateStudentList = ();
+ foreach my $student (@students) {
+ if($c->aborted()) {
+ if($isCached == 0) {
+ $CachData{'NamesOfStudents'}=join(":::",@updateStudentList);
+ }
+ last;
+ }
+ if($isCached == 0) {
+ &DownloadStudentInformation($student,$cid);
+ push (@updateStudentList, $student);
+ }
+ my $Str=&ExtractStudentData($student,$cid);
+ $r->print('<tr>'.$Str.'</tr>');
+ }
+ $r->print('</tbody></table>');
- my $classlst=&Apache::lonnet::reply
- ('dump:'.$cdom.':'.$cnum.':classlist',$chome);
- 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) {
- my $thisindex=$#students+1;
- $name=&Apache::lonnet::unescape($name);
- $students[$thisindex]=$name;
- my ($sname,$sdom)=split(/\:/,$name);
- my $ssec=&Apache::lonnet::usection($sdom,$sname,$cid);
- if ($ssec==-1) {
- $rowlabels[$thisindex]=
- 'Data not available: '.$name;
- } else {
- my %reply=&Apache::lonnet::idrget($sdom,$sname);
- my $reply=&Apache::lonnet::reply('get:'.$sdom.':'.$sname.
- ':environment:firstname&middlename&lastname&generation',
- &Apache::lonnet::homeserver($sname,$sdom));
- $rowlabels[$thisindex]=
- $ssec.' '.$reply{$sname}.' ';
- map {
- $rowlabels[$thisindex].=&Apache::lonnet::unescape($_).' ';
- } split(/\&/,$reply);
- }
- }
- } sort split(/\&/,$classlst);
+ untie(%CachData);
- } else {
- $r->print('<h1>Could not access course data</h1>');
- }
+ return;
+}
- my $allstudents=$#students+1;
- $r->print('<h3>'.$allstudents.' students</h3>');
+sub Start {
+ $r->print('<head><title>'.
+ 'LON-CAPA Assessment Chart</title></head>');
+ $r->print('<body bgcolor="#FFFFFF">'.
+ '<script>window.focus();</script>'.
+ '<img align=right src=/adm/lonIcons/lonlogos.gif>'.
+ '<h1>Assessment Chart</h1>');
+# ---------------------------------------------------------------- Course title
+ $r->print('<h1>'.$ENV{'course.'.$ENV{'request.course.id'}.
+ '.description'}.'</h1><h3>'.localtime().
+ "</h3><p><pre>1..9: correct by student in 1..9 tries\n".
+ " *: correct by student in more than 9 tries\n".
+ " +: correct by override\n".
+ " -: incorrect by override\n".
+ " .: incorrect attempted\n".
+ " #: ungraded attempted\n".
+ " : not attempted\n".
+ " x: excused</pre><p>");
+# ------------------------------- This is going to take a while, produce output
$r->rflush();
-# --------------- Find all assessments and put them into some linear-like order
+ &BuildChart();
- &tracetable($firstres,'&'.$lastres.'&');
+ $r->print('</body>');
-# ----------------------------------------------------------------- Start table
+ return;
+}
- $r->print('<p><pre>');
- my $index;
- for ($index=0;$index<=$#students;$index++) {
- $r->print(
- substr($students[$index].
- ' ',0,14).' ! '.
- substr($rowlabels[$index].
- ' ',0,45).' ! ');
- map {
- if ($_) {
- $r->print(&astatus($_,$students[$index]));
- } else {
- $r->print(' ! ');
- }
- } @cols;
- $r->print("\n");
- $r->rflush();
- }
- $r->print('</pre>');
+# ================================================================ Main Handler
- } else {
- $r->print('<h3>Undefined course sequence</h3>');
- }
+sub handler {
+ undef %hash;
+ undef %CachData;
+ undef @cols;
+
+ $r=shift;
+ $c = $r->connection;
+ if (&Apache::lonnet::allowed('vgr',$ENV{'request.course.id'})) {
+# ------------------------------------------- Set document type for header only
+ if ($r->header_only) {
+ if ($ENV{'browser.mathml'}) {
+ $r->content_type('text/xml');
+ } else {
+ $r->content_type('text/html');
+ }
+ &Apache::loncommon::no_cache($r);
+ $r->send_http_header;
+ return OK;
+ }
- $r->print('</body></html>');
-
+ my $requrl=$r->uri;
+# ----------------------------------------------------------------- Tie db file
+ if ($ENV{'request.course.fn'}) {
+ my $fn=$ENV{'request.course.fn'};
+ if (-e "$fn.db") {
+ if (tie(%hash,'GDBM_File',"$fn.db",&GDBM_READER,0640)) {
+# ------------------------------------------------------------------- Hash tied
+# ---------------------------------------------------------------- Send headers
+ $r->content_type('text/html');
+ $r->send_http_header;
+ $r->print('<html>');
+ &Start();
+ $r->print('</html>');
+ $r->rflush();
# ------------------------------------------------------------- End render page
- } else {
- $r->content_type('text/html');
- $r->send_http_header;
- $r->print('<html><body>Coursemap undefined.</body></html>');
- }
+ } else {
+ $r->content_type('text/html');
+ $r->send_http_header;
+ $r->print('<html><body>Coursemap undefined.</body></html>');
+ }
# ------------------------------------------------------------------ Untie hash
- unless (untie(%hash)) {
- &Apache::lonnet::logthis("<font color=blue>WARNING: ".
- "Could not untie coursemap $fn (browse).</font>");
- }
+ unless (untie(%hash)) {
+ &Apache::lonnet::logthis("<font color=blue>WARNING: ".
+ "Could not untie coursemap $fn (browse).</font>");
+ }
# -------------------------------------------------------------------- All done
- return OK;
+ return OK;
# ----------------------------------------------- Errors, hash could no be tied
- }
- } else {
- $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
- return HTTP_NOT_ACCEPTABLE;
-}
-} else {
- $ENV{'user.error.msg'}=
+ }
+ } else {
+ $ENV{'user.error.msg'}="$requrl:bre:0:0:Course not initialized";
+ return HTTP_NOT_ACCEPTABLE;
+ }
+ } else {
+ $ENV{'user.error.msg'}=
$r->uri.":vgr:0:0:Cannot view grades for complete course";
- return HTTP_NOT_ACCEPTABLE;
-
-}
+ return HTTP_NOT_ACCEPTABLE;
+ }
}
1;
__END__
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