--- loncom/interface/lontrackstudent.pm 2004/08/23 15:03:15 1.4 +++ loncom/interface/lontrackstudent.pm 2005/02/09 21:21:08 1.13 @@ -1,6 +1,6 @@ # The LearningOnline Network with CAPA # -# $Id: lontrackstudent.pm,v 1.4 2004/08/23 15:03:15 matthew Exp $ +# $Id: lontrackstudent.pm,v 1.13 2005/02/09 21:21:08 matthew Exp $ # # Copyright Michigan State University Board of Trustees # @@ -44,47 +44,35 @@ package Apache::lontrackstudent; use strict; use Apache::Constants qw(:common :http); +use Apache::lonmysql; use Apache::lonnet(); use Apache::lonlocal; use Time::HiRes; -################################################################### -################################################################### -sub get_all_data { - my ($r,$prog_state,$navmap) = @_; +sub get_data { + my ($r,$prog_state,$navmap,$mode) = @_; ## ## Compose the query &Apache::lonhtmlcommon::Update_PrgWin ($r,$prog_state,&mt('Composing Query')); # - my $query; - my $cid = $ENV{'request.course.id'}; - my $domain = $ENV{'course.'.$cid.'.domain'}; - my $home = $ENV{'course.'.$cid.'.home'}; - my $course = $ENV{'course.'.$cid.'.num'}; - my $prefix = $course.'_'.$domain.'_'; + # Allow the other server to begin processing the data before we ask for it. + sleep(5); # - my $student_table = $prefix.'students'; - my $res_table = $prefix.'resource'; - my $action_table = $prefix.'actions'; - my $machine_table = $prefix.'machine_table'; - my $activity_table = $prefix.'activity'; - # - $query = qq{ - SELECT B.resource,A.time,C.student,D.action,E.machine,A.action_values - FROM $activity_table AS A - LEFT JOIN $res_table AS B ON B.res_id=A.res_id - LEFT JOIN $student_table AS C ON C.student_id=A.student_id - LEFT JOIN $action_table AS D ON D.action_id=A.action_id - LEFT JOIN $machine_table AS E ON E.machine_id=A.machine_id - WHERE A.student_id>10 - ORDER BY A.time ASC - LIMIT 5000 - }; - $query =~ s|$/||g; - &Apache::lonnet::logthis($query); + my $max_time = &get_max_time_in_db($r,$prog_state); + if (defined($max_time)) { + $r->print('

'.&mt('Activity data goes to [_1]', + &Apache::lonlocal::locallocaltime($max_time)). + '

'); + $r->rflush(); + } else { + $r->print('

'.&mt('Unable to retrieve any data. Please reload this page and try again.').'

'); + return; + } + my $query = &build_query($mode); ## ## Send it along + my $home = $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; my $reply=&Apache::lonnet::metadata_query($query,undef,undef,[$home]); if (ref($reply) ne 'HASH') { $r->print('

'. @@ -113,16 +101,135 @@ sub get_all_data { $r->print(&mt('Please try again in a few minutes.')); return; } + $r->rflush(); + # &Apache::lonhtmlcommon::Update_PrgWin ($r,$prog_state,&mt('Parsing results')); - &output_results($r,$results_file,$navmap); - &Apache::lonhtmlcommon::Update_PrgWin - ($r,$prog_state,&mt('Finished!')); + # + &output_results($r,$results_file,$navmap,$mode); + &Apache::lonhtmlcommon::Update_PrgWin($r,$prog_state,&mt('Finished!')); return; } +sub table_names { + my $cid = $ENV{'request.course.id'}; + my $domain = $ENV{'course.'.$cid.'.domain'}; + my $home = $ENV{'course.'.$cid.'.home'}; + my $course = $ENV{'course.'.$cid.'.num'}; + my $prefix = $course.'_'.$domain.'_'; + # + my %tables = + ( student =>&Apache::lonmysql::fix_table_name($prefix.'students'), + res =>&Apache::lonmysql::fix_table_name($prefix.'resource'), + machine =>&Apache::lonmysql::fix_table_name($prefix.'machine_table'), + activity=>&Apache::lonmysql::fix_table_name($prefix.'activity'), + ); + return %tables; +} + +sub get_max_time_in_db { + my ($r,$prog_state) = @_; + my %table = &table_names(); + my $query = qq{SELECT MAX(time) FROM $table{'activity'} }; + # + my $home = $ENV{'course.'.$ENV{'request.course.id'}.'.home'}; + my $reply=&Apache::lonnet::metadata_query($query,undef,undef,[$home]); + if (ref($reply) ne 'HASH') { + return undef; + } + my $results_file = $r->dir_config('lonDaemons').'/tmp/'.$reply->{$home}; + my $endfile = $results_file.'.end'; + ## + ## Check for the results + &Apache::lonhtmlcommon::Update_PrgWin + ($r,$prog_state,&mt('Waiting for results')); + my $maxtime = 500; + my $starttime = time; + while (! -e $endfile && (time-$starttime < $maxtime)) { + &Apache::lonhtmlcommon::Update_PrgWin + ($r,$prog_state,&mt('Waiting up to [_1] seconds for results', + $starttime+$maxtime-time)); + sleep(1); + } + if (! -e $endfile) { + $r->print('

'. + &mt('Unable to retrieve data.').'

'); + $r->print(&mt('Please try again in a few minutes.')); + return undef; + } + $r->rflush(); + # + &Apache::lonhtmlcommon::Update_PrgWin + ($r,$prog_state,&mt('Parsing results')); + # + if (! open(TIMEDATA,$results_file)) { + $r->print('

'.&mt('Unable to read results file.').'

'. + '

'. + &mt('This is a serious error and has been logged. '. + 'You should contact your system administrator '. + 'to resolve this issue.'). + '

'); + return; + } + # + my $timestr = ''; + while (my $line = ) { + chomp($line); + $timestr = &Apache::lonnet::unescape($line); + } + close(TIMEDATA); + return &Apache::lonmysql::unsqltime($timestr); +} + +sub build_query { + my ($mode) = @_; + my $cid = $ENV{'request.course.id'}; + my $domain = $ENV{'course.'.$cid.'.domain'}; + my $home = $ENV{'course.'.$cid.'.home'}; + my $course = $ENV{'course.'.$cid.'.num'}; + my $prefix = $course.'_'.$domain.'_'; + # + my %table = &table_names(); + # + my $query; + if ($mode eq 'full_class') { + $query = qq{ + SELECT B.resource,A.time,C.student,A.action,E.machine,A.action_values + FROM $table{'activity'} AS A + LEFT JOIN $table{'res'} AS B ON B.res_id=A.res_id + LEFT JOIN $table{'student'} AS C ON C.student_id=A.student_id + LEFT JOIN $table{'machine'} AS E ON E.machine_id=A.machine_id + ORDER BY A.time DESC + LIMIT 500 + }; + } elsif ($mode =~ /^student:(.*):(.*)$/) { + my $student = $1.':'.$2; + $query = qq{ + SELECT B.resource,A.time,A.action,E.machine,A.action_values + FROM $table{'activity'} AS A + LEFT JOIN $table{'res'} AS B ON B.res_id=A.res_id + LEFT JOIN $table{'student'} AS C ON C.student_id=A.student_id + LEFT JOIN $table{'machine'} AS E ON E.machine_id=A.machine_id + WHERE C.student='$student' + ORDER BY A.time DESC + LIMIT 500 + }; + } + $query =~ s|$/||g; + return $query; +} + +################################################################### +################################################################### sub output_results { - my ($r,$results_file,$navmap) = @_; + my ($r,$results_file,$navmap,$mode) = @_; + ## + ## + if (! -s $results_file) { + # results file is empty, just let them know there is no data + $r->print('

'.&mt('No data was returned for your request').'

'); + return; + } if (! open(ACTIVITYDATA,$results_file)) { $r->print('

'.&mt('Unable to read results file.').'

'. '

'. @@ -132,47 +239,84 @@ sub output_results { '

'); return; } - my $tableheader = - ''. - ''. - ''. - ''. - ''. - ''. - ''. - ''.$/; - my $count = 0; - $r->print($tableheader); + ## + ## + my $tableheader; + if ($mode eq 'full_class') { + $tableheader = + '
'.&mt('Resource').''.&mt('Time').''.&mt('Student').''.&mt('Action').''.&mt('Originating Server').''.&mt('Data').'
'. + ''. + ''. + ''. + ''. + # ''. + ''. + ''.$/; + } elsif ($mode =~ /^student:(.*):(.*)$/) { + $tableheader = + '
'.&mt('Resource').''.&mt('Time').''.&mt('Student').''.&mt('Action').''.&mt('Originating Server').''.&mt('Data').'
'. + ''. + ''. + ''. + # ''. + ''. + ''.$/; + } + my $count = -1; $r->rflush(); + ## + ## while (my $line = ) { + # FIXME: does not pass symbs along :( + chomp($line); $line = &Apache::lonnet::unescape($line); if (++$count % 50 == 0) { - $r->print('
'.&mt('Resource').''.&mt('Time').''.&mt('Action').''.&mt('Originating Server').''.&mt('Data').'
'.$/); - $r->rflush(); + if ($count != 0) { + $r->print(''.$/); + $r->rflush(); + } $r->print($tableheader); } - my ($symb,$timestamp,$student,$action,$machine,$values) = - map { &Apache::lonnet::unescape($_); } split(',',$line,6); + my ($symb,$timestamp,$student,$action,$machine,$values); + if ($mode eq 'full_class') { + ($symb,$timestamp,$student,$action,$machine,$values) = split(',',$line,6); + } else { + ($symb,$timestamp,$action,$machine,$values) = split(',',$line,5); + } + foreach ($symb,$timestamp,$student,$action,$machine) { + $_=&Apache::lonnet::unescape($_); + } my ($title,$src); if ($symb =~ m:^/adm/:) { $title = $symb; $src = $symb; - } elsif ($symb eq '/prtspool/') { - $title = "Printout"; - $src = undef; } else { my $nav_res = $navmap->getBySymb($symb); if (defined($nav_res)) { - $title = $nav_res->title(); + $title = $nav_res->compTitle(); $src = $nav_res->src(); } else { - $title = 'unable to retrieve title'; - $src = '/dev/null'; + if ($src =~ m|^/res|) { + $title = $src; + } elsif ($values =~ /^\s*$/ && + (! defined($src) || $src =~ /^\s*$/)) { + next; + } elsif ($values =~ /^\s*$/) { + $values = $src; + } else { + $title = 'unable to retrieve title'; + $src = '/dev/null'; + } } } - my $class = ''; + my %classes; + my $class_count=0; + if (! exists($classes{$symb})) { + $classes{$symb} = $class_count++; + } + my $class = 'a';#.$classes{$symb}; # - if ($symb eq '/printout/') { + if ($symb eq '/prtspool/') { $class = 'print'; $title = 'retrieve printout'; } elsif ($symb =~ m|^/adm/([^/]+)|) { @@ -188,31 +332,73 @@ sub output_results { $title = 'untitled'; $class = 'warning'; } - $r->print(''. - ''.$title.''.''. - ''.$timestamp.''. - ''.$student.''. - ''.$action.''. - ''.$machine.''. - ''.($class?$symb:'').''.''.$/); -# ''.$symb.''.''.$/); + # Clean up the values + $values = &display_values($action,$values); + # + # Build the row for output + my $tablerow = qq{}; + if ($src =~ m|^/adm/|) { + $tablerow .= + ''.$title.''; + } else { + $tablerow .= + ''. + ''.$title.''. + ''; + } + $tablerow .= ''.$timestamp.''; + if ($mode eq 'full_class') { + $tablerow.=''.$student.''; + } + $tablerow .= + ''.$action.''. +# ''.$machine.''. + ''.$values.''. + ''; + $r->print($tablerow.$/); } - $r->print(''.$/); + $r->print(''.$/) if (! $count % 50); close(ACTIVITYDATA); return; } -sub get_student_data {} -sub html_output_student_data {} -sub html_output_class_data {} - +################################################################### +################################################################### +sub display_values { + my ($action,$values)=@_; + my $result=''; + if ($action eq 'CSTORE') { + my %values=map {split('=',$_,-1)} split(/\&/,$values); + foreach my $key (sort(keys(%values))) { + $result.=''; + } + $result.='
'. + &Apache::lonnet::unescape($key). + '='. + &Apache::lonnet::unescape($values{$key}).'
'; + } elsif ($action eq 'POST') { + my %values= + map {split('=',&Apache::lonnet::unescape($_),-1)} split(/\&/,$values); + foreach my $key (sort(keys(%values))) { + if ($key eq 'counter') { next; } + $result.=''.$key.''. + '='.$values{$key}.''; + } + $result.=''; + } else { + $result=&Apache::lonnet::unescape($values) + } + return $result; +} +################################################################### +################################################################### sub request_data_update { my $command = 'prepare activity log'; my $cid = $ENV{'request.course.id'}; my $domain = $ENV{'course.'.$cid.'.domain'}; my $home = $ENV{'course.'.$cid.'.home'}; 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, [$home]); return $result; @@ -220,20 +406,48 @@ sub request_data_update { ################################################################### ################################################################### +sub pick_student { + my ($r) = @_; + $r->print("Sorry, cannot display classlist at this time. Come back another time."); + return; +} +################################################################### +################################################################### sub styles { return < + +END +} + +sub developer_centric_styles { + return < tr.warning { background-color: red; } tr.chat { background-color: yellow; } tr.chatfetch { background-color: yellow; } + tr.evaluate { background-color: red; } tr.navmaps { background-color: \#777777; } tr.roles { background-color: \#999999; } tr.flip { background-color: \#BBBBBB; } tr.adm { background-color: green; } tr.print { background-color: blue; } + tr.parmset { background-color: \#000088; } tr.printout { background-color: blue; } - + tr.grades { background-color: \#CCCCCC; } + END } @@ -310,18 +524,28 @@ sub handler { ($r,\%prog_state,&mt('Contacting course home server')); # my $result = &request_data_update(); - if (ref($result) eq 'HASH') { - $result = join(' ',map { $_.'=>'.$result->{$_}; } keys(%$result)); - } - &Apache::lonnet::logthis('result from request_data_update: '.$result); # - if (! exists($ENV{'form.selected_student'})) { + if (exists($ENV{'form.selected_student'})) { # For now, just show all the data, in the future allow selection of # a student - &get_all_data($r,\%prog_state,$navmap); + my ($sname,$sdom) = split(':',$ENV{'form.selected_student'}); + if ($sname =~ /^\w*$/ && $sdom =~ /^\w*$/) { + $r->print('

'. + &mt('Recent activity of [_1]@[_2]',$sname,$sdom). + '

'); + $r->print('

'.&mt(<'); +Compiling student activity data can take a long time. +It may be necessary to reload this page to get the most current information. +END + &get_data($r,\%prog_state,$navmap, + 'student:'.$ENV{'form.selected_student'}); + } else { + $r->print('

'.&mt('Unable to process for [_1]@[_2]', + $sname,$sdom).'

'); + } } else { # For now, just show all the data instead of limiting it to one student - &get_all_data($r,\%prog_state,$navmap); + &get_data($r,\%prog_state,$navmap,'full_class'); } # &Apache::lonhtmlcommon::Update_PrgWin($r,\%prog_state,&mt('Done'));