devi@27: #!/usr/bin/perl
devi@27: 
devi@27: use strict;
devi@27: use CGI qw(:standard);
devi@30: use XML::Simple;
devi@46: use utf8;
devi@30: 
devi@30: BEGIN {
devi@84:     chdir("/home/devi/cvs/lilalo");
devi@84:     require l3config;
devi@84:     l3config::init_config();
devi@30: };
devi@27: 
devi@37: my %filter;
devi@32: 
devi@89: for my $key (qw(login_from local_session_id action)) {
devi@84:     $filter{$key} =     param($key) if param($key);
devi@84:     $filter{$key} =     $ENV{$key} if defined $ENV{$key};
devi@32: }
devi@27: 
devi@30: my %Trainings;
devi@30: my $XMLTraining;
devi@30: my %Machines;
devi@42: my $print = "";
devi@30: 
devi@84: $l3config::Config{cgi2file} = $ENV{cgi2file}    if defined($ENV{cgi2file});
devi@48: $ENV{PATH_INFO} = $l3config::Config{cgi_path_info} if $l3config::Config{cgi_path_info};
devi@48: 
devi@47: my $is_not_cgi="";
devi@48: $is_not_cgi = "1" if $l3config::Config{cgi2file};
devi@47: # Пока что мы считаем, что вызов выполняется через CGI, 
devi@48: # если не установлена переменная cgi2file 
devi@48: # и не передан такой аргумент командной строки.
devi@47: # Это неверно, но как временное решение - пойдёт
devi@48: my $to_file = $l3config::Config{cgi2file};
devi@47: 
devi@47: $l3config::Config{frontend_css} =~ s@^/@@ if $is_not_cgi;
devi@47: 
devi@30: sub load_training
devi@30: {
devi@48:         my $training_file;
devi@84:     
devi@100:         $training_file = $_[0] || $l3config::Config{"classfile"} || 
devi@48:         $l3config::Config{"path_classes"}.$l3config::Config{"class"}.$l3config::Config{"class_suffix"};
devi@30: 
devi@48:         my $XMLTraining = XMLin($training_file , ForceArray => [ 'student' ] )  
devi@48:                 or die "Can't open file of the training ",$training_file,"\n";
devi@30: 
devi@84:         my $course_file = $l3config::Config{"courses_path"}.$XMLTraining->{"course"}.".xml";
devi@84:         my $XMLCourse;
devi@84:         if (eval{$XMLCourse = XMLin($course_file)}) {
devi@84:             $XMLTraining->{"course-name"} = $XMLCourse->{"fullname"};
devi@84:         }
devi@84: 
devi@30:         for my $student (@{$XMLTraining->{"student"}}) {
devi@84:         $XMLTraining->{host}->{$student->{"host"}}=$student;
devi@30:         }
devi@84:     return $XMLTraining;
devi@30: }
devi@30: 
devi@29: 
devi@29: 
devi@30: if ($ENV{PATH_INFO} eq "/index") {
devi@84:     # Показываем индекс курсов
devi@84:     my @training_files = glob($l3config::Config{"path_classes"}."/2*".$l3config::Config{"class_suffix"});
devi@84:     if (@training_files) {
devi@84:         for my $training_file (@training_files) {
devi@84:             $training_file =~ s@.*/@@;
devi@84:             $training_file =~ s@$l3config::Config{"class_suffix"}$@@;
devi@84:             my $training = load_training($training_file);
devi@84:             $Trainings{$training->{"date"}}=$training;
devi@84:         }
devi@84:         $print .= "<html>\n";
devi@84:         $print .= "<head>\n";
devi@84:         $print .= "<title>Журналы лабораторных работ</title>\n";
devi@84:         $print .= "</head>\n";
devi@84:         $print .= "<body>\n";
devi@84:         $print .= "<table>\n";
devi@84:         for my $tdate (reverse sort keys %Trainings) {
devi@84:             my $t = $Trainings{$tdate};
devi@84:             $print .= "<tr>";
devi@84:             $print .= "<td>".$t->{date}."</td>";
devi@88:             $print .= "<td colspan='7'>".$t->{course}."</td>";
devi@84:             $print .= "</tr>\n";
devi@84:             for my $host (sort keys %{$t->{host}}) {
devi@88:                 my %row;
devi@88:                 my @row_keys = qw{
devi@88:                     name email company host root user
devi@88:                 };
devi@84:                 my $h = $t->{host}->{$host};
devi@88:                 $row{name}= $h->{firstname}." ".$h->{surname};
devi@88:                 $row{email}= $h->{email};
devi@88:                 $row{company} = $h->{company};
devi@88:                 $row{host} =  "$host";
devi@88:                 $row{root} = "<a href='/cgi-bin/l3/".$tdate."/".$host."/root'>root</a> ";
devi@88:                 $row{user} = "<a href='/cgi-bin/l3/".$tdate."/".$host."/".$h->{user}."'>".$h->{user}."</a> ";
devi@88:                 $print .= "<tr>".join("", map("<td style='$_'>$row{$_}</td>", @row_keys))."</tr>";
devi@84:             }
devi@84:         }
devi@84:         $print .= "</table>\n";
devi@84:         $print .= "</body>\n";
devi@84:         $print .= "</html>\n";
devi@84:     }
devi@84:     else {
devi@84:         $print .= "No training-files found<br/>\n";
devi@84:         $print .= "Template to load files: ".$l3config::Config{"path_classes"}."*".$l3config::Config{"class_suffix"}."\n"
devi@84:     }
devi@30: }
devi@31: elsif ($ENV{PATH_INFO} eq "/current") {
devi@84:     open (FRONTEND, "./l3-frontend --output - --show_comments no --frontend_css $l3config::Config{frontend_css}|");
devi@84:     binmode FRONTEND, ":utf8";
devi@84:     while (<FRONTEND>) {
devi@84:         $print .= $_;
devi@84:     }
devi@84:     close(FRONTEND);
devi@31: }
devi@30: else {
devi@84:     # Вызов производится по URL
devi@84:     $ENV{PATH_INFO} = "/".$ENV{PATH_INFO} unless $ENV{PATH_INFO} =~ m@^/@;
devi@107:     #my ($skip, $training, $host, $user) = split /\//,$ENV{PATH_INFO},4;
devi@84:     my ($skip, $training, $host, $user) = split /\//,$ENV{PATH_INFO},4;
devi@107:     
devi@29: 
devi@84:     if (!$host || $host eq "index") {
devi@84:         # Нам неизвестен курс или явно указан просмотр индекса
devi@84:         # Просматриваем его
devi@100:         my $t;
devi@100:         if ( -e "/var/lilalo/lablogs-xml/$training/class.xml" ) {
devi@100:          $t = load_training("/var/lilalo/lablogs-xml/$training/class.xml");
devi@100:         }
devi@100:         else {
devi@100:          $l3config::Config{class}=$training;
devi@100:          $t = load_training;
devi@100:         }
devi@84:         $training ||= "current";
devi@48: 
devi@57:         my $prefix = "/cgi-bin/l3/$training/";
devi@57:         my $suffix = "";
devi@57:         if ($is_not_cgi) {
devi@57:             $prefix = "";
devi@57:             $suffix = ".html";
devi@57:         }
devi@57:         my $path = $to_file;
devi@57:         $path = "" unless $path =~ s@/[^/]*$@@;
devi@57: 
devi@84:         $print .= "<html>\n";
devi@84:         $print .= "<head>\n";
devi@84:         $print .= "<title>Журналы лабораторных работ</title>\n";
devi@57:         $print .= "<meta content='text/html; charset=utf-8' http-equiv='Content-Type' />";
devi@84:         $print .= "<link rel='stylesheet' href='".$l3config::Config{frontend_css}."' type='text/css'/>\n";
devi@84:         $print .= "</head>\n";
devi@84:         $print .= "<body>\n";
devi@84:         $print .= "<h1>Журналы лабораторных работ</h1>\n";
devi@84:         $print .= "<table>\n";
devi@84:         $print .= "<tr class='table_header'>\n";
devi@84:         $print .= "<td>"."Имя"."</td>";
devi@84:         $print .= "<td>Хост</td>";
devi@84:         $print .= "<td colspan='3'>Пользователь</td>";
devi@84:         $print .= "</tr>\n";
devi@84:         for my $host (sort keys %{$t->{host}}) {
devi@84:             $print .= "<tr>\n";
devi@84:             my $h = $t->{host}->{$host};
devi@84:             $print .= "<td>".$h->{firstname}." ".$h->{surname}."</td>";
devi@84:             $print .= "<td>$host</td>";
devi@84:             $print .= "<td><a href='".$prefix.$host."/root$suffix'>root</a></td>";
devi@84:             $print .= "<td><a href='".$prefix.$host."/".$h->{user}."$suffix'>".$h->{user}."</a></td>";
devi@84:             $print .= "<td><a href='".$prefix.$host."$suffix'>все</a></td>" if not $is_not_cgi;
devi@84:             $print .= "</td>\n";
devi@84:             $print .= "</tr>\n";
devi@48: 
devi@84:             if ($is_not_cgi) {
devi@84:                 # Это грязный хак
devi@84:                 # Если мы чувствуем, что нас вызывают для генерения индексного файла,
devi@84:                 # нам нужно создать и файлы, на которые он указывает
devi@84:                 # Лучше было бы это сделать хотя бы через вызов функций
devi@57: # Такой же хак чуть ниже
devi@84:                 mkdir("$path/$host");
devi@84:                 system("$0 --cgi2file $path/$prefix$host/root$suffix  ".
devi@84:                       "--cgi_path_info ".$training."/".$host."/root ".
devi@84:                       "--frontend_css ../$l3config::Config{frontend_css}");
devi@84:                 system("$0 --cgi2file $path/$prefix$host/".$h->{user}."$suffix ".
devi@84:                       "--cgi_path_info ".$training."/".$host."/".$h->{user}." ".
devi@84:                       "--frontend_css ../$l3config::Config{frontend_css}");
devi@84:             #   system("$0 --cgi2file $path/$prefix$host$suffix ".
devi@84:             #         "--cgi_path_info ".$training."/".$host." ".
devi@84:             #         "--frontend_css ../$l3config::Config{frontend_css}");
devi@84:             }
devi@84:             
devi@84:         }
devi@57: # Такой же хак был чуть выше
devi@57:         if ($is_not_cgi) {
devi@57: #            $print .= "<td><a href='".$prefix."instructor.".$suffix."'>все</a></td>";
devi@57: #            system("$0 --cgi2file $path/$prefix$host$suffix"
devi@57: #                   . " --cgi_path_info ".$training."?login_from=192.168.15.254".$host
devi@57: #                  . " --frontend_css ../$l3config::Config{frontend_css}");
devi@57:         }
devi@57:         else {
devi@57:             $print .= "<tr>\n";
devi@57:             $print .= "<td>"."Инструктор"."</td>";
devi@57:             $print .= "<td>from linux.nt</td>";
devi@57:             $print .= "<td/>";
devi@57:             $print .= "<td/>";
devi@57:             $print .= "<td><a href='$training"."?login_from=192.168.15.254'>все</a></td>";
devi@57:         }
devi@84:         $print .= "</tr>\n";
devi@84:         $print .= "</table>\n";
devi@84:         $print .= "</body>\n";
devi@84:         $print .= "</html>\n";
devi@84:     }
devi@84:     else {
devi@30: 
devi@48: 
devi@84:         my @args=(
devi@84:             "--output"      =>  "-",
devi@84:             "--show_comments"   =>  "no",
devi@84:         );
devi@100: 
devi@100:         $l3config::Config{"class"}=$training if $training ne 'current';
devi@100:         if ( -e "/var/lilalo/lablogs-xml/$training/class.xml" ) {
devi@100:          $XMLTraining = load_training("/var/lilalo/lablogs-xml/$training/class.xml");
devi@100:         }
devi@100:         else {
devi@100:          $XMLTraining = load_training;
devi@100:         }
devi@100: 
devi@100:         if ($XMLTraining) {
devi@100:             my @args=(
devi@100:                 "--course-center"   =>  $XMLTraining->{center},
devi@100:                 "--course-trainer"  =>  $XMLTraining->{instructor}->{firstname}." ".$XMLTraining->{instructor}->{surname},
devi@100:                 "--course-student"  =>  $XMLTraining->{host}->{$host}->{firstname}." ".$XMLTraining->{host}->{$host}->{surname},
devi@100:                 "--course-code"     =>  $XMLTraining->{course},
devi@100:                 "--course-date"     =>  $XMLTraining->{date},
devi@100:                 "--encoding"        =>  $XMLTraining->{host}->{$host}->{charset},
devi@100:             );
devi@100:             if ($XMLTraining->{"course-name"}) {
devi@100:                 push @args, ("--course-name"     =>  $XMLTraining->{"course-name"});
devi@100:             };
devi@100:         }
devi@84:         if ($training ne 'current') {
devi@84:             push @args,     ("--backend_datafile"   =>  "/var/lilalo/lablogs-xml/$training/$host/$user.xml");
devi@84:         } else {
devi@84:             $filter{hostname}   = $host if $host;
devi@84:             $filter{user}       = $user if $user;
devi@84:         }
devi@84:         push @args, ("--filter" => join ("&", (map("$_=$filter{$_}", keys %filter))));
devi@48: 
devi@84:         #$print .= "./l3-frontend --frontend_css $l3config::Config{frontend_css} ".join(" ",map("\"$_\"",@args))." |<br/>";
devi@84:         open (FRONTEND, "./l3-frontend --frontend_css $l3config::Config{frontend_css} ".join(" ",map("\"$_\"",@args))." |");
devi@84:         binmode FRONTEND, ":utf8";
devi@84:         while (<FRONTEND>) {
devi@84:             $print .= $_;
devi@84:         }
devi@84:         close(FRONTEND);
devi@84:     }
devi@27: }
devi@27: 
devi@47: # Если задана переменная окружения l3_to_file, 
devi@47: # печатаем в файл с соответствующим именем,
devi@47: # в противном случае -- выводим на стандартный поток вывода
devi@48: if (not $to_file) {
devi@47:   binmode STDOUT, ":utf8";
devi@47:   print header(-charset => "utf-8");
devi@47:   print $print;
devi@47: }
devi@47: else {
devi@48:   open(FILE, ">:utf8", $to_file)
devi@48:     or die "Can't open $to_file for writing";
devi@47:   print FILE $print;
devi@47:   close(FILE);
devi@47: }
devi@47: 
devi@47: