lilalo

annotate l3-cgi @ 87:c70be67ed3d4

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Наведение порядка в коде.
Обработка чуть лучше отделена от представления.

+ добавлено три совета в документацию
author devi
date Tue Feb 28 13:11:26 2006 +0200 (2006-02-28)
parents d28dda8ea18f
children 385499ec544a
rev   line source
devi@27 1 #!/usr/bin/perl
devi@27 2
devi@27 3 use strict;
devi@27 4 use CGI qw(:standard);
devi@30 5 use XML::Simple;
devi@46 6 use utf8;
devi@30 7
devi@30 8 BEGIN {
devi@84 9 chdir("/home/devi/cvs/lilalo");
devi@84 10 require l3config;
devi@84 11 l3config::init_config();
devi@30 12 };
devi@27 13
devi@37 14 my %filter;
devi@32 15
devi@80 16 for my $key (qw(login_from local_session_id)) {
devi@84 17 $filter{$key} = param($key) if param($key);
devi@84 18 $filter{$key} = $ENV{$key} if defined $ENV{$key};
devi@32 19 }
devi@27 20
devi@30 21 my %Trainings;
devi@30 22 my $XMLTraining;
devi@30 23 my %Machines;
devi@42 24 my $print = "";
devi@30 25
devi@84 26 $l3config::Config{cgi2file} = $ENV{cgi2file} if defined($ENV{cgi2file});
devi@48 27 $ENV{PATH_INFO} = $l3config::Config{cgi_path_info} if $l3config::Config{cgi_path_info};
devi@48 28
devi@47 29 my $is_not_cgi="";
devi@48 30 $is_not_cgi = "1" if $l3config::Config{cgi2file};
devi@47 31 # Пока что мы считаем, что вызов выполняется через CGI,
devi@48 32 # если не установлена переменная cgi2file
devi@48 33 # и не передан такой аргумент командной строки.
devi@47 34 # Это неверно, но как временное решение - пойдёт
devi@48 35 my $to_file = $l3config::Config{cgi2file};
devi@47 36
devi@47 37 $l3config::Config{frontend_css} =~ s@^/@@ if $is_not_cgi;
devi@47 38
devi@30 39 sub load_training
devi@30 40 {
devi@48 41 my $training_file;
devi@84 42
devi@84 43 $training_file = $l3config::Config{"path_classes"}.$_[0].$l3config::Config{"class_suffix"} if $_[0];
devi@48 44 $training_file ||= $l3config::Config{"classfile"} ||
devi@48 45 $l3config::Config{"path_classes"}.$l3config::Config{"class"}.$l3config::Config{"class_suffix"};
devi@30 46
devi@48 47 my $XMLTraining = XMLin($training_file , ForceArray => [ 'student' ] )
devi@48 48 or die "Can't open file of the training ",$training_file,"\n";
devi@30 49
devi@84 50 my $course_file = $l3config::Config{"courses_path"}.$XMLTraining->{"course"}.".xml";
devi@84 51 my $XMLCourse;
devi@84 52 if (eval{$XMLCourse = XMLin($course_file)}) {
devi@84 53 $XMLTraining->{"course-name"} = $XMLCourse->{"fullname"};
devi@84 54 }
devi@84 55
devi@30 56 for my $student (@{$XMLTraining->{"student"}}) {
devi@84 57 $XMLTraining->{host}->{$student->{"host"}}=$student;
devi@30 58 }
devi@84 59 return $XMLTraining;
devi@30 60 }
devi@30 61
devi@29 62
devi@29 63
devi@30 64 if ($ENV{PATH_INFO} eq "/index") {
devi@84 65 # Показываем индекс курсов
devi@84 66 my @training_files = glob($l3config::Config{"path_classes"}."/2*".$l3config::Config{"class_suffix"});
devi@84 67 if (@training_files) {
devi@84 68 for my $training_file (@training_files) {
devi@84 69 $training_file =~ s@.*/@@;
devi@84 70 $training_file =~ s@$l3config::Config{"class_suffix"}$@@;
devi@84 71 my $training = load_training($training_file);
devi@84 72 $Trainings{$training->{"date"}}=$training;
devi@84 73 }
devi@84 74 $print .= "<html>\n";
devi@84 75 $print .= "<head>\n";
devi@84 76 $print .= "<title>Журналы лабораторных работ</title>\n";
devi@84 77 $print .= "</head>\n";
devi@84 78 $print .= "<body>\n";
devi@84 79 $print .= "<table>\n";
devi@84 80 for my $tdate (reverse sort keys %Trainings) {
devi@84 81 my $t = $Trainings{$tdate};
devi@84 82 $print .= "<tr>";
devi@84 83 $print .= "<td>".$t->{date}."</td>";
devi@84 84 $print .= "<td>".$t->{course}."</td>";
devi@84 85 $print .= "</tr>\n";
devi@84 86 $print .= "<tr>";
devi@84 87 $print .= "<td/>";
devi@84 88 $print .= "<td><pre>";
devi@84 89 for my $host (sort keys %{$t->{host}}) {
devi@84 90 my $h = $t->{host}->{$host};
devi@84 91 $print .= "$host";
devi@84 92 $print .= " ".$h->{firstname}." ".$h->{surname}." ";
devi@84 93 $print .= " ".$h->{company}." ";
devi@84 94 $print .= "<a href='/cgi-bin/l3/".$tdate."/".$host."/root'>root</a> ";
devi@84 95 $print .= "<a href='/cgi-bin/l3/".$tdate."/".$host."/".$h->{user}."'>".$h->{user}."</a> ";
devi@84 96 $print .= "\n";
devi@84 97 }
devi@84 98 $print .= "</pre><td>";
devi@84 99 $print .= "</tr>\n";
devi@84 100 }
devi@84 101 $print .= "</table>\n";
devi@84 102 $print .= "</body>\n";
devi@84 103 $print .= "</html>\n";
devi@84 104 }
devi@84 105 else {
devi@84 106 $print .= "No training-files found<br/>\n";
devi@84 107 $print .= "Template to load files: ".$l3config::Config{"path_classes"}."*".$l3config::Config{"class_suffix"}."\n"
devi@84 108 }
devi@30 109 }
devi@31 110 elsif ($ENV{PATH_INFO} eq "/current") {
devi@84 111 open (FRONTEND, "./l3-frontend --output - --show_comments no --frontend_css $l3config::Config{frontend_css}|");
devi@84 112 binmode FRONTEND, ":utf8";
devi@84 113 while (<FRONTEND>) {
devi@84 114 $print .= $_;
devi@84 115 }
devi@84 116 close(FRONTEND);
devi@31 117 }
devi@30 118 else {
devi@84 119 # Вызов производится по URL
devi@84 120 $ENV{PATH_INFO} = "/".$ENV{PATH_INFO} unless $ENV{PATH_INFO} =~ m@^/@;
devi@84 121 my ($skip, $training, $host, $user) = split /\//,$ENV{PATH_INFO},4;
devi@29 122
devi@84 123 if (!$host || $host eq "index") {
devi@84 124 # Нам неизвестен курс или явно указан просмотр индекса
devi@84 125 # Просматриваем его
devi@30 126
devi@84 127 my $t = load_training($training);
devi@84 128 $training ||= "current";
devi@48 129
devi@57 130 my $prefix = "/cgi-bin/l3/$training/";
devi@57 131 my $suffix = "";
devi@57 132 if ($is_not_cgi) {
devi@57 133 $prefix = "";
devi@57 134 $suffix = ".html";
devi@57 135 }
devi@57 136 my $path = $to_file;
devi@57 137 $path = "" unless $path =~ s@/[^/]*$@@;
devi@57 138
devi@84 139 $print .= "<html>\n";
devi@84 140 $print .= "<head>\n";
devi@84 141 $print .= "<title>Журналы лабораторных работ</title>\n";
devi@57 142 $print .= "<meta content='text/html; charset=utf-8' http-equiv='Content-Type' />";
devi@84 143 $print .= "<link rel='stylesheet' href='".$l3config::Config{frontend_css}."' type='text/css'/>\n";
devi@84 144 $print .= "</head>\n";
devi@84 145 $print .= "<body>\n";
devi@84 146 $print .= "<h1>Журналы лабораторных работ</h1>\n";
devi@84 147 $print .= "<table>\n";
devi@84 148 $print .= "<tr class='table_header'>\n";
devi@84 149 $print .= "<td>"."Имя"."</td>";
devi@84 150 $print .= "<td>Хост</td>";
devi@84 151 $print .= "<td colspan='3'>Пользователь</td>";
devi@84 152 $print .= "</tr>\n";
devi@84 153 for my $host (sort keys %{$t->{host}}) {
devi@84 154 $print .= "<tr>\n";
devi@84 155 my $h = $t->{host}->{$host};
devi@84 156 $print .= "<td>".$h->{firstname}." ".$h->{surname}."</td>";
devi@84 157 $print .= "<td>$host</td>";
devi@84 158 $print .= "<td><a href='".$prefix.$host."/root$suffix'>root</a></td>";
devi@84 159 $print .= "<td><a href='".$prefix.$host."/".$h->{user}."$suffix'>".$h->{user}."</a></td>";
devi@84 160 $print .= "<td><a href='".$prefix.$host."$suffix'>все</a></td>" if not $is_not_cgi;
devi@84 161 $print .= "</td>\n";
devi@84 162 $print .= "</tr>\n";
devi@48 163
devi@84 164 if ($is_not_cgi) {
devi@84 165 # Это грязный хак
devi@84 166 # Если мы чувствуем, что нас вызывают для генерения индексного файла,
devi@84 167 # нам нужно создать и файлы, на которые он указывает
devi@84 168 # Лучше было бы это сделать хотя бы через вызов функций
devi@57 169 # Такой же хак чуть ниже
devi@84 170 mkdir("$path/$host");
devi@84 171 system("$0 --cgi2file $path/$prefix$host/root$suffix ".
devi@84 172 "--cgi_path_info ".$training."/".$host."/root ".
devi@84 173 "--frontend_css ../$l3config::Config{frontend_css}");
devi@84 174 system("$0 --cgi2file $path/$prefix$host/".$h->{user}."$suffix ".
devi@84 175 "--cgi_path_info ".$training."/".$host."/".$h->{user}." ".
devi@84 176 "--frontend_css ../$l3config::Config{frontend_css}");
devi@84 177 # system("$0 --cgi2file $path/$prefix$host$suffix ".
devi@84 178 # "--cgi_path_info ".$training."/".$host." ".
devi@84 179 # "--frontend_css ../$l3config::Config{frontend_css}");
devi@84 180 }
devi@84 181
devi@84 182 }
devi@57 183 # Такой же хак был чуть выше
devi@57 184 if ($is_not_cgi) {
devi@57 185 # $print .= "<td><a href='".$prefix."instructor.".$suffix."'>все</a></td>";
devi@57 186 # system("$0 --cgi2file $path/$prefix$host$suffix"
devi@57 187 # . " --cgi_path_info ".$training."?login_from=192.168.15.254".$host
devi@57 188 # . " --frontend_css ../$l3config::Config{frontend_css}");
devi@57 189 }
devi@57 190 else {
devi@57 191 $print .= "<tr>\n";
devi@57 192 $print .= "<td>"."Инструктор"."</td>";
devi@57 193 $print .= "<td>from linux.nt</td>";
devi@57 194 $print .= "<td/>";
devi@57 195 $print .= "<td/>";
devi@57 196 $print .= "<td><a href='$training"."?login_from=192.168.15.254'>все</a></td>";
devi@57 197 }
devi@84 198 $print .= "</tr>\n";
devi@84 199 $print .= "</table>\n";
devi@84 200 $print .= "</body>\n";
devi@84 201 $print .= "</html>\n";
devi@84 202 }
devi@84 203 else {
devi@30 204
devi@84 205 $l3config::Config{"class"}=$training if $training ne 'current';
devi@84 206 $XMLTraining = load_training;
devi@48 207
devi@84 208 my @args=(
devi@84 209 "--output" => "-",
devi@84 210 "--show_comments" => "no",
devi@84 211 "--course-center" => $XMLTraining->{center},
devi@84 212 "--course-trainer" => $XMLTraining->{instructor}->{firstname}." ".$XMLTraining->{instructor}->{surname},
devi@84 213 "--course-student" => $XMLTraining->{host}->{$host}->{firstname}." ".$XMLTraining->{host}->{$host}->{surname},
devi@84 214 "--course-code" => $XMLTraining->{course},
devi@84 215 "--course-date" => $XMLTraining->{date},
devi@84 216 "--encoding" => $XMLTraining->{host}->{$host}->{charset},
devi@84 217 );
devi@84 218 if ($XMLTraining->{"course-name"}) {
devi@84 219 push @args, ("--course-name" => $XMLTraining->{"course-name"});
devi@84 220 };
devi@84 221 if ($training ne 'current') {
devi@84 222 push @args, ("--backend_datafile" => "/var/lilalo/lablogs-xml/$training/$host/$user.xml");
devi@84 223 } else {
devi@84 224 $filter{hostname} = $host if $host;
devi@84 225 $filter{user} = $user if $user;
devi@84 226 }
devi@84 227 push @args, ("--filter" => join ("&", (map("$_=$filter{$_}", keys %filter))));
devi@48 228
devi@84 229 #$print .= "./l3-frontend --frontend_css $l3config::Config{frontend_css} ".join(" ",map("\"$_\"",@args))." |<br/>";
devi@84 230 open (FRONTEND, "./l3-frontend --frontend_css $l3config::Config{frontend_css} ".join(" ",map("\"$_\"",@args))." |");
devi@84 231 binmode FRONTEND, ":utf8";
devi@84 232 while (<FRONTEND>) {
devi@84 233 $print .= $_;
devi@84 234 }
devi@84 235 close(FRONTEND);
devi@84 236 }
devi@27 237 }
devi@27 238
devi@47 239 # Если задана переменная окружения l3_to_file,
devi@47 240 # печатаем в файл с соответствующим именем,
devi@47 241 # в противном случае -- выводим на стандартный поток вывода
devi@48 242 if (not $to_file) {
devi@47 243 binmode STDOUT, ":utf8";
devi@47 244 print header(-charset => "utf-8");
devi@47 245 print $print;
devi@47 246 }
devi@47 247 else {
devi@48 248 open(FILE, ">:utf8", $to_file)
devi@48 249 or die "Can't open $to_file for writing";
devi@47 250 print FILE $print;
devi@47 251 close(FILE);
devi@47 252 }
devi@47 253
devi@47 254