#!/usr/bin/perl
# $Id: blog.pl,v 1.5 2003/05/26 02:30:04 in2 Exp $
use CGI qw/:standard/;
use LocalVars;
use DB_File;
use strict;
use Data::Dumper;
use Date::Calc qw(:all);
use Template;
use HTML::Calendar::Simple;
use vars qw/@emonth @cnumber %config %attr %article %th/;
sub main
{
my($brdname, $fn, $y, $m, $d);
my($tmpl);
@emonth = ('', 'January', 'February', 'March', 'April', 'May',
'June', 'July', 'August', 'September', 'October',
'November', 'December');
@cnumber = ('零', '一', '二', '三', '四', '五', '六',
'七', '八', '九', '十', '十一', '十二');
if( !$ENV{PATH_INFO} ){
print header(-status => 400);
return;
}
if( !(($brdname, $fn) = $ENV{PATH_INFO} =~ m|/(\w+?)/([\.,\w]*)|) ||
!( ($fn, $y, $m, $d) = parsefn($fn) ) ||
!(-e "$BLOGDATA/$brdname/$fn") ||
!(tie %config, 'DB_File',
"$BLOGDATA/$brdname/config.db", O_RDONLY, 0666, $DB_HASH) ||
!(tie %attr, 'DB_File',
"$BLOGDATA/$brdname/attr.db", O_RDONLY, 0666, $DB_HASH) ){
print header(-status => 404);
return;
}
charset('');
print header(-type => GetType($fn));
$fn ||= 'index.html';
# first, import all settings in %config
%th = %config;
# loadBlog ---------------------------------------------------------------
tie %article, 'DB_File', "$BLOGDATA/$brdname.db", O_RDONLY, 0666, $DB_HASH;
if( $attr{"$fn.loadBlog"} =~ /article/i ){
AddArticle('blog', $attr{"$fn.loadBlogFields"}, packdate($y, $m, $d));
}
elsif( $attr{"$fn.loadBlog"} =~ /month/i ){
my($s, $y1, $m1, $d1);
for( ($y1, $m1, $d1) = ($y, $m, 32) ; $d1 > 0 ; --$d1 ){
AddArticle('blog', $attr{"$fn.loadBlogFields"},
packdate($y1, $m1, $d1));
}
}
elsif( $attr{"$fn.loadBlog"} =~ /^last(\d+)/i ){
my($ptr, $i);
for( $ptr = $article{last}, $i = 0 ;
$ptr && $i < $1 ;
$ptr = $article{"$ptr.prev"} ){
AddArticle('blog', $attr{"$fn.loadBlogFields"},
$ptr);
}
}
if( $attr{"$fn.loadBlogPrevNext"} ){
my $s = packdate($y, $m, $d);
AddArticle('next', $attr{"$fn.loadBlogPrevNext"},
$article{"$s.next"});
AddArticle('prev', $attr{"$fn.loadBlogPrevNext"},
$article{"$s.prev"});
}
# loadArchives -----------------------------------------------------------
if( $attr{"$fn.loadArchives"} =~ /^monthly/i ){
# 找尋 +-1 year 內有資料的月份
my($c, $y1, $m1);
for( $c = 0, ($y1, $m1) = ($y + 1, $m) ;
$c < 48 ;
++$c, --$m1 ) {
if( $m1 == 0 ){ $m1 = 12; --$y1; }
if( $article{ sprintf('%04d%02d', $y1, $m1) } ){
push @{$th{Archives}}, {year => $y1, month => $m1,
emonth => $emonth[$m1],
cmonth => $cnumber[$m1],
key => packdate($y1, $m1, 1)};
}
}
}
# loadRecentEntries ------------------------------------------------------
if( $attr{"$fn.loadRecentEntries"} ){
my($i, $ptr, $y, $m, $d);
print $attr{"$fn.loadRecentEntries:"};
for( $i = 0, $ptr = $article{'last'} ;
$ptr && $i < $attr{"$fn.loadRecentEntries"} ;
++$i, $ptr = $article{"$ptr.prev"} ){
($y, $m, $d) = unpackdate($ptr);
push @{$th{RecentEntries}}, {year => $y, month => $m,
emonth => $emonth[$m],
cmonth => $cnumber[$m],
title => $article{"$ptr.title"},
key => $ptr};
}
}
# Counter ----------------------------------------------------------------
if( $attr{"$fn.loadCounter"} ){
my($c);
$c = dodbi(sub {
my($dbh) = @_;
my($sth, $t);
$dbh->do("update counter set v = v + 1 where k = '$brdname'");
$sth = $dbh->prepare("select v from counter where k='$brdname'");
$sth->execute();
$t = $sth->fetchrow_hashref();
return $t->{v} if( $t->{v} );
$dbh->do("insert into counter (k, v) ".
"values ('$brdname', 1)");
return 1;
});
$th{counter} = $c;
}
# Calendar ---------------------------------------------------------------
if( $attr{"$fn.loadCalendar"} ){
# 沒有合適的 module , 自己寫一個 |||b
my($c, $week, $day, $t, $link);
$c = ("<table border=\"0\" cellspacing=\"4\" cellpadding=\"0\">\n".
"<caption class=\"calendarhead\">$emonth[$m] $y</caption>\n".
"<tr>\n");
$c .= ("<th abbr=\"$_->[0]\" align=\"center\">".
"<span class=\"calendar\">$_->[1]</span></th>\n")
foreach( ['Sunday', 'Sun'], ['Monday', 'Mon'],
['Tuesday', 'Tue'], ['Wednesday', 'Wed'],
['Thursday', 'Thu'], ['Friday', 'Fri'],
['Saturday', 'Sat'] );
$week = Day_of_Week($y, $m, 1);
$c .= "</tr>\n<tr>\n";
if( $week == 7 ){
$week = 0;
}
else{
$c .= ("<th abbr=\"null\" align=\"center\"><span class=\"calendar\">".
" </span></th>\n")
foreach( 1..$week );
}
foreach( 1..31 ){
$c .= "<th abbr=\"$_\" align=\"center\"><span class=\"calendar\">";
$t = packdate($y, $m, $_);
if( !$article{"$t.title"} ){
$c .= "$_";
}
else{
my $link = $attr{"$fn.loadCalendar"};
$link =~ s/\[\% key \%\]/$t/g;
$c .= "<a href=\"$link\">$_</a>";
}
$c .= "</span></th>\n";
if( ++$week == 7 ){
$c .= "</tr>\n\n<tr>\n";
$week = 0;
}
}
$c .= "</tr>\n</table>\n";
$th{calendar} = $c;
#my $cal = HTML::Calendar::Simple->new({month => $m, year => $y});
#$th{calendar} = $cal->calendar_month;
}
# 用 Template Toolkit 輸出
$tmpl = Template->new({INCLUDE_PATH => '.',
ABSOLUTE => 0,
RELATIVE => 0,
RECURSION => 0,
EVAL_PERL => 0,
});
chdir "$BLOGDATA/$brdname/";
$tmpl->process($fn, \%th) ||
print "<pre>template error: ". $tmpl->error();
}
sub AddArticle($$$)
{
my($cl, $fields, $s) = @_;
my $content = '';
if( $fields =~ /content/i ){
$content = $article{"$s.content"};
if( $config{outputfilter} == 1 ){
$content =~ s/\n/<br \/>\n/gs;
}
}
my($y, $m, $d) = unpackdate($s);
push @{$th{$cl}}, {year => $y,
month => $m,
emonth => $emonth[$m],
cmonth => $cnumber[$m],
day => $d,
key => $s,
title => (($fields !~ /title/i) ? '' :
$article{"$s.title"}),
content=> $content,
author => (($fields !~ /author/i) ? '' :
$article{"$s.author"}),
short => (($fields !~ /short/i) ? '' :
$article{"$s.short"}),
}
if( $article{"$s.title"} );
}
sub parsefn($)
{
my($fs) = @_;
return ("$1.$3", unpackdate($2))
if( $fs =~ /^(.*),(\w+)\.(.*)$/ );
return ($fs, Today());
}
sub GetType($)
{
my($f) = @_;
return 'text/css' if( $f =~ /.css$/i );
return 'text/html';
}
sub packdate($$$)
{
return $_[0] * 10000 + $_[1] * 100 + $_[2];
}
sub unpackdate($)
{
return (int($_[0] / 10000),
(int($_[0] / 100)) % 100,
$_[0] % 100);
}
sub dodbi
{
my($func) = @_;
my($ret);
use DBI;
use DBD::mysql;
my $dbh = DBI->connect("DBI:mysql:database=blog;".
"host=localhost",
'root',
'',
{'RaiseError' => 1});
eval {
$ret = &{$func}($dbh);
};
$dbh->disconnect();
print "SQL: $@\n" if( $@ );
return $ret;
}
main();
1;
