version 1.1, 2004/08/11 18:41:05
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version 1.13, 2005/02/09 21:21:08
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Line 44 package Apache::lontrackstudent;
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Line 44 package Apache::lontrackstudent;
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use strict; |
use strict; |
use Apache::Constants qw(:common :http); |
use Apache::Constants qw(:common :http); |
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use Apache::lonmysql; |
use Apache::lonnet(); |
use Apache::lonnet(); |
use Apache::lonlocal; |
use Apache::lonlocal; |
use Time::HiRes; |
use Time::HiRes; |
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sub get_data { |
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my ($r,$prog_state,$navmap,$mode) = @_; |
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## |
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## Compose the query |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,$prog_state,&mt('Composing Query')); |
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# |
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# Allow the other server to begin processing the data before we ask for it. |
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sleep(5); |
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# |
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my $max_time = &get_max_time_in_db($r,$prog_state); |
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if (defined($max_time)) { |
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$r->print('<h3>'.&mt('Activity data goes to [_1]', |
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&Apache::lonlocal::locallocaltime($max_time)). |
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'</h3>'); |
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$r->rflush(); |
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} else { |
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$r->print('<h3>'.&mt('Unable to retrieve any data. Please reload this page and try again.').'</h3>'); |
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return; |
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} |
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my $query = &build_query($mode); |
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## |
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## Send it along |
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my $home = $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
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my $reply=&Apache::lonnet::metadata_query($query,undef,undef,[$home]); |
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if (ref($reply) ne 'HASH') { |
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$r->print('<h2>'. |
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&mt('Error contacting home server for course: [_1]', |
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$reply). |
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'</h2>'); |
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return; |
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} |
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my $results_file = $r->dir_config('lonDaemons').'/tmp/'.$reply->{$home}; |
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my $endfile = $results_file.'.end'; |
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## |
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## Check for the results |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,$prog_state,&mt('Waiting for results')); |
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my $maxtime = 500; |
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my $starttime = time; |
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while (! -e $endfile && (time-$starttime < $maxtime)) { |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,$prog_state,&mt('Waiting up to [_1] seconds for results', |
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$starttime+$maxtime-time)); |
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sleep(1); |
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} |
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if (! -e $endfile) { |
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$r->print('<h2>'. |
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&mt('Unable to retrieve data.').'</h2>'); |
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$r->print(&mt('Please try again in a few minutes.')); |
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return; |
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} |
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$r->rflush(); |
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# |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,$prog_state,&mt('Parsing results')); |
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# |
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&output_results($r,$results_file,$navmap,$mode); |
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&Apache::lonhtmlcommon::Update_PrgWin($r,$prog_state,&mt('Finished!')); |
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return; |
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} |
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sub table_names { |
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my $cid = $ENV{'request.course.id'}; |
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my $domain = $ENV{'course.'.$cid.'.domain'}; |
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my $home = $ENV{'course.'.$cid.'.home'}; |
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my $course = $ENV{'course.'.$cid.'.num'}; |
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my $prefix = $course.'_'.$domain.'_'; |
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# |
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my %tables = |
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( student =>&Apache::lonmysql::fix_table_name($prefix.'students'), |
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res =>&Apache::lonmysql::fix_table_name($prefix.'resource'), |
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machine =>&Apache::lonmysql::fix_table_name($prefix.'machine_table'), |
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activity=>&Apache::lonmysql::fix_table_name($prefix.'activity'), |
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); |
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return %tables; |
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} |
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sub get_max_time_in_db { |
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my ($r,$prog_state) = @_; |
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my %table = &table_names(); |
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my $query = qq{SELECT MAX(time) FROM $table{'activity'} }; |
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# |
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my $home = $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; |
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my $reply=&Apache::lonnet::metadata_query($query,undef,undef,[$home]); |
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if (ref($reply) ne 'HASH') { |
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return undef; |
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} |
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my $results_file = $r->dir_config('lonDaemons').'/tmp/'.$reply->{$home}; |
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my $endfile = $results_file.'.end'; |
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## |
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## Check for the results |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,$prog_state,&mt('Waiting for results')); |
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my $maxtime = 500; |
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my $starttime = time; |
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while (! -e $endfile && (time-$starttime < $maxtime)) { |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,$prog_state,&mt('Waiting up to [_1] seconds for results', |
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$starttime+$maxtime-time)); |
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sleep(1); |
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} |
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if (! -e $endfile) { |
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$r->print('<h2>'. |
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&mt('Unable to retrieve data.').'</h2>'); |
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$r->print(&mt('Please try again in a few minutes.')); |
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return undef; |
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} |
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$r->rflush(); |
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# |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,$prog_state,&mt('Parsing results')); |
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# |
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if (! open(TIMEDATA,$results_file)) { |
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$r->print('<h2>'.&mt('Unable to read results file.').'</h2>'. |
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'<p>'. |
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&mt('This is a serious error and has been logged. '. |
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'You should contact your system administrator '. |
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'to resolve this issue.'). |
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'</p>'); |
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return; |
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} |
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# |
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my $timestr = ''; |
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while (my $line = <TIMEDATA>) { |
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chomp($line); |
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$timestr = &Apache::lonnet::unescape($line); |
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} |
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close(TIMEDATA); |
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return &Apache::lonmysql::unsqltime($timestr); |
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} |
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sub build_query { |
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my ($mode) = @_; |
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my $cid = $ENV{'request.course.id'}; |
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my $domain = $ENV{'course.'.$cid.'.domain'}; |
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my $home = $ENV{'course.'.$cid.'.home'}; |
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my $course = $ENV{'course.'.$cid.'.num'}; |
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my $prefix = $course.'_'.$domain.'_'; |
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# |
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my %table = &table_names(); |
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# |
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my $query; |
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if ($mode eq 'full_class') { |
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$query = qq{ |
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SELECT B.resource,A.time,C.student,A.action,E.machine,A.action_values |
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FROM $table{'activity'} AS A |
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LEFT JOIN $table{'res'} AS B ON B.res_id=A.res_id |
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LEFT JOIN $table{'student'} AS C ON C.student_id=A.student_id |
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LEFT JOIN $table{'machine'} AS E ON E.machine_id=A.machine_id |
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ORDER BY A.time DESC |
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LIMIT 500 |
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}; |
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} elsif ($mode =~ /^student:(.*):(.*)$/) { |
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my $student = $1.':'.$2; |
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$query = qq{ |
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SELECT B.resource,A.time,A.action,E.machine,A.action_values |
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FROM $table{'activity'} AS A |
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LEFT JOIN $table{'res'} AS B ON B.res_id=A.res_id |
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LEFT JOIN $table{'student'} AS C ON C.student_id=A.student_id |
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LEFT JOIN $table{'machine'} AS E ON E.machine_id=A.machine_id |
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WHERE C.student='$student' |
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ORDER BY A.time DESC |
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LIMIT 500 |
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}; |
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} |
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$query =~ s|$/||g; |
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return $query; |
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} |
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################################################################### |
################################################################### |
################################################################### |
################################################################### |
sub get_all_data {} |
sub output_results { |
sub get_student_data {} |
my ($r,$results_file,$navmap,$mode) = @_; |
sub html_output_student_data {} |
## |
sub html_output_class_data {} |
## |
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if (! -s $results_file) { |
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# results file is empty, just let them know there is no data |
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$r->print('<h2>'.&mt('No data was returned for your request').'</h2>'); |
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return; |
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} |
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if (! open(ACTIVITYDATA,$results_file)) { |
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$r->print('<h2>'.&mt('Unable to read results file.').'</h2>'. |
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'<p>'. |
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&mt('This is a serious error and has been logged. '. |
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'You should contact your system administrator '. |
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'to resolve this issue.'). |
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'</p>'); |
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return; |
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} |
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## |
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## |
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my $tableheader; |
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if ($mode eq 'full_class') { |
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$tableheader = |
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'<table><tr>'. |
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'<th>'.&mt('Resource').'</th>'. |
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'<th>'.&mt('Time').'</th>'. |
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'<th>'.&mt('Student').'</th>'. |
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'<th>'.&mt('Action').'</th>'. |
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# '<th>'.&mt('Originating Server').'</th>'. |
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'<th align="left">'.&mt('Data').'</th>'. |
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'</tr>'.$/; |
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} elsif ($mode =~ /^student:(.*):(.*)$/) { |
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$tableheader = |
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'<table><tr>'. |
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'<th>'.&mt('Resource').'</th>'. |
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'<th>'.&mt('Time').'</th>'. |
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'<th>'.&mt('Action').'</th>'. |
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# '<th>'.&mt('Originating Server').'</th>'. |
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'<th align="left">'.&mt('Data').'</th>'. |
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'</tr>'.$/; |
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} |
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my $count = -1; |
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$r->rflush(); |
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## |
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## |
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while (my $line = <ACTIVITYDATA>) { |
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# FIXME: does not pass symbs along :( |
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chomp($line); |
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$line = &Apache::lonnet::unescape($line); |
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if (++$count % 50 == 0) { |
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if ($count != 0) { |
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$r->print('</table>'.$/); |
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$r->rflush(); |
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} |
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$r->print($tableheader); |
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} |
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my ($symb,$timestamp,$student,$action,$machine,$values); |
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if ($mode eq 'full_class') { |
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($symb,$timestamp,$student,$action,$machine,$values) = split(',',$line,6); |
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} else { |
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($symb,$timestamp,$action,$machine,$values) = split(',',$line,5); |
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} |
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foreach ($symb,$timestamp,$student,$action,$machine) { |
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$_=&Apache::lonnet::unescape($_); |
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} |
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my ($title,$src); |
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if ($symb =~ m:^/adm/:) { |
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$title = $symb; |
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$src = $symb; |
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} else { |
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my $nav_res = $navmap->getBySymb($symb); |
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if (defined($nav_res)) { |
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$title = $nav_res->compTitle(); |
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$src = $nav_res->src(); |
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} else { |
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if ($src =~ m|^/res|) { |
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$title = $src; |
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} elsif ($values =~ /^\s*$/ && |
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(! defined($src) || $src =~ /^\s*$/)) { |
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next; |
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} elsif ($values =~ /^\s*$/) { |
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$values = $src; |
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} else { |
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$title = 'unable to retrieve title'; |
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$src = '/dev/null'; |
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} |
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} |
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} |
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my %classes; |
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my $class_count=0; |
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if (! exists($classes{$symb})) { |
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$classes{$symb} = $class_count++; |
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} |
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my $class = 'a';#.$classes{$symb}; |
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# |
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if ($symb eq '/prtspool/') { |
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$class = 'print'; |
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$title = 'retrieve printout'; |
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} elsif ($symb =~ m|^/adm/([^/]+)|) { |
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$class = $1; |
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} elsif ($symb =~ m|^/adm/|) { |
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$class = 'adm'; |
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} |
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if ($title eq 'unable to retrieve title') { |
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$title =~ s/ /\ /g; |
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$class = 'warning'; |
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} |
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if (! defined($title) || $title eq '') { |
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$title = 'untitled'; |
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$class = 'warning'; |
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} |
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# Clean up the values |
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$values = &display_values($action,$values); |
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# |
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# Build the row for output |
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my $tablerow = qq{<tr class="$class">}; |
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if ($src =~ m|^/adm/|) { |
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$tablerow .= |
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'<td valign="top"><nobr>'.$title.'</nobr></td>'; |
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} else { |
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$tablerow .= |
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'<td valign="top"><nobr>'. |
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'<a href="'.$src.'">'.$title.'</a>'. |
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'</nobr></td>'; |
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} |
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$tablerow .= '<td valign="top"><nobr>'.$timestamp.'</nobr></td>'; |
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if ($mode eq 'full_class') { |
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$tablerow.='<td valign="top">'.$student.'</td>'; |
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} |
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$tablerow .= |
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'<td valign="top">'.$action.'</td>'. |
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# '<td>'.$machine.'</td>'. |
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'<td valign="top">'.$values.'</td>'. |
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'</tr>'; |
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$r->print($tablerow.$/); |
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} |
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$r->print('</table>'.$/) if (! $count % 50); |
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close(ACTIVITYDATA); |
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return; |
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} |
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################################################################### |
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################################################################### |
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sub display_values { |
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my ($action,$values)=@_; |
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my $result='<table>'; |
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if ($action eq 'CSTORE') { |
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my %values=map {split('=',$_,-1)} split(/\&/,$values); |
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foreach my $key (sort(keys(%values))) { |
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$result.='<tr><td align="right">'. |
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&Apache::lonnet::unescape($key). |
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'</td><td>=</td><td align="left">'. |
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&Apache::lonnet::unescape($values{$key}).'</td></tr>'; |
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} |
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$result.='</table>'; |
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} elsif ($action eq 'POST') { |
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my %values= |
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map {split('=',&Apache::lonnet::unescape($_),-1)} split(/\&/,$values); |
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foreach my $key (sort(keys(%values))) { |
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if ($key eq 'counter') { next; } |
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$result.='<tr><td align="right">'.$key.'</td>'. |
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'<td>=</td><td align="left">'.$values{$key}.'</td></tr>'; |
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} |
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$result.='</table>'; |
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} else { |
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$result=&Apache::lonnet::unescape($values) |
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} |
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return $result; |
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} |
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################################################################### |
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################################################################### |
sub request_data_update { |
sub request_data_update { |
my $command = 'prepare activity log'; |
my $command = 'prepare activity log'; |
my $cid = $ENV{'request.course.id'}; |
my $cid = $ENV{'request.course.id'}; |
my $domain = $ENV{'course.'.$cid.'.domain'}; |
my $domain = $ENV{'course.'.$cid.'.domain'}; |
my $home = $ENV{'course.'.$cid.'.home'}; |
my $home = $ENV{'course.'.$cid.'.home'}; |
my $course = $ENV{'course.'.$cid.'.num'}; |
my $course = $ENV{'course.'.$cid.'.num'}; |
&Apache::lonnet::logthis($command.' '.$course.' '.$domain.' '.$home); |
# &Apache::lonnet::logthis($command.' '.$course.' '.$domain.' '.$home); |
my $result = &Apache::lonnet::metadata_query($command,$course,$domain, |
my $result = &Apache::lonnet::metadata_query($command,$course,$domain, |
[$home]); |
[$home]); |
return $result; |
return $result; |
Line 69 sub request_data_update {
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Line 406 sub request_data_update {
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################################################################### |
################################################################### |
################################################################### |
################################################################### |
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sub pick_student { |
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my ($r) = @_; |
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$r->print("Sorry, cannot display classlist at this time. Come back another time."); |
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return; |
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} |
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################################################################### |
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################################################################### |
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sub styles { |
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return <<END; |
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<style type="text/css"> |
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tr.warning { background-color: \#CCCCCC; } |
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tr.chat { background-color: \#CCCCCC; } |
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tr.chatfetch { background-color: \#CCCCCC; } |
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tr.navmaps { background-color: \#CCCCCC; } |
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tr.roles { background-color: \#CCCCCC; } |
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tr.flip { background-color: \#CCCCCC; } |
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tr.adm { background-color: \#CCCCCC; } |
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tr.print { background-color: \#CCCCCC; } |
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tr.printout { background-color: \#CCCCCC; } |
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tr.parmset { background-color: \#CCCCCC; } |
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tr.grades { background-color: \#CCCCCC; } |
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</style> |
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END |
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} |
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sub developer_centric_styles { |
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return <<END; |
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<style type="text/css"> |
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tr.warning { background-color: red; } |
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tr.chat { background-color: yellow; } |
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tr.chatfetch { background-color: yellow; } |
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tr.evaluate { background-color: red; } |
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tr.navmaps { background-color: \#777777; } |
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tr.roles { background-color: \#999999; } |
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tr.flip { background-color: \#BBBBBB; } |
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tr.adm { background-color: green; } |
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tr.print { background-color: blue; } |
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tr.parmset { background-color: \#000088; } |
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tr.printout { background-color: blue; } |
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tr.grades { background-color: \#CCCCCC; } |
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</style> |
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END |
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} |
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################################################################### |
################################################################### |
################################################################### |
################################################################### |
Line 110 sub handler {
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Line 490 sub handler {
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&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
&Apache::loncommon::get_unprocessed_cgi($ENV{'QUERY_STRING'}, |
['selected_student']); |
['selected_student']); |
# |
# |
# Give the LON-CAPA page header |
# We will almost always need this... |
$r->print('<html><head><title>'. |
my $navmap = Apache::lonnavmaps::navmap->new(); |
&mt('Student Activity'). |
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"</title></head>\n". |
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&Apache::loncommon::bodytag('Student Activity')); |
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$r->rflush(); |
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# |
# |
# Either print out a menu for them or send them to a report |
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&Apache::lonhtmlcommon::clear_breadcrumbs(); |
&Apache::lonhtmlcommon::clear_breadcrumbs(); |
&Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/studentactivity', |
&Apache::lonhtmlcommon::add_breadcrumb({href=>'/adm/studentactivity', |
title=>'Student Activity', |
title=>'Student Activity', |
Line 125 sub handler {
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Line 500 sub handler {
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faq=>139, |
faq=>139, |
bug=>'instructor interface'}); |
bug=>'instructor interface'}); |
# |
# |
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# Give the LON-CAPA page header |
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$r->print('<html><head>'.&styles.'<title>'. |
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&mt('Student Activity'). |
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"</title></head>\n". |
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&Apache::loncommon::bodytag('Student Activity'). |
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&Apache::lonhtmlcommon::breadcrumbs(undef,'Student Activity')); |
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$r->rflush(); |
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# |
# Begin form output |
# Begin form output |
$r->print('<form name="Statistics" '); |
$r->print('<form name="trackstudent" method="post" action="/adm/trackstudent">'); |
$r->print('method="post" action="/adm/statistics">'); |
$r->print('<br />'); |
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$r->print('<div name="statusline">'. |
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&mt('Status:[_1]', |
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'<input type="text" name="status" size="60" value="" />'). |
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'</div>'); |
$r->rflush(); |
$r->rflush(); |
$r->print('<h1>'.&mt('View student activity').'</h1>'); |
my %prog_state=&Apache::lonhtmlcommon::Create_PrgWin |
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($r,&mt('Student Activity Retrieval'), |
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&mt('Student Activity Retrieval'),undef,'inline',undef, |
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'trackstudent','status'); |
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&Apache::lonhtmlcommon::Update_PrgWin |
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($r,\%prog_state,&mt('Contacting course home server')); |
# |
# |
my $result = &request_data_update(); |
my $result = &request_data_update(); |
if (ref($result) eq 'HASH') { |
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$result = join(map { $_.'=>'.$result->{$_}; } keys(%$result)); |
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} |
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$r->print('<h2>'.$result.'</h2>'); |
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# |
# |
if (! exists($ENV{'form.selected_student'})) { |
if (exists($ENV{'form.selected_student'})) { |
# Choose a student |
# For now, just show all the data, in the future allow selection of |
$r->print('If you worked here you would be done by now'); |
# a student |
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my ($sname,$sdom) = split(':',$ENV{'form.selected_student'}); |
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if ($sname =~ /^\w*$/ && $sdom =~ /^\w*$/) { |
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$r->print('<h2>'. |
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&mt('Recent activity of [_1]@[_2]',$sname,$sdom). |
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'</h2>'); |
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$r->print('<p>'.&mt(<<END).'</p>'); |
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Compiling student activity data can take a long time. |
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It may be necessary to reload this page to get the most current information. |
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END |
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&get_data($r,\%prog_state,$navmap, |
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'student:'.$ENV{'form.selected_student'}); |
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} else { |
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$r->print('<h2>'.&mt('Unable to process for [_1]@[_2]', |
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$sname,$sdom).'</h2>'); |
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} |
} else { |
} else { |
# Show a students activity |
# For now, just show all the data instead of limiting it to one student |
$r->print('I would like to have something to show you but I do not.'); |
&get_data($r,\%prog_state,$navmap,'full_class'); |
} |
} |
# |
# |
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&Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Done')); |
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&Apache::lonhtmlcommon::Close_PrgWin($r,\%prog_state); |
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# |
$r->print("</form>\n"); |
$r->print("</form>\n"); |
$r->print("</body>\n</html>\n"); |
$r->print("</body>\n</html>\n"); |
$r->rflush(); |
$r->rflush(); |