yolanda/trunk/video.pl
josch a4092cd983 added referer count
git-svn-id: http://yolanda.mister-muffin.de/svn@117 7eef14d0-6ed0-489d-bf55-20463b2d70db
2007-10-21 22:28:02 +00:00

167 lines
5.3 KiB
Perl

require "include.pl";
require "functions.pl";
#initialize session data
CGI::Session->name($session_name);
$query = new CGI;
$session = new CGI::Session;
#check if id or title is passed
if($query->param('title') or $query->param('id'))
{
%page = ();
#if a username is associated with session id, username is nonempty
$page->{'username'} = get_username_from_sid($session->id);
$page->{'locale'} = $locale;
$page->{'stylesheet'} = $stylesheet;
$page->{'xmlns:dc'} = $xmlns_dc;
$page->{'xmlns:cc'} = $xmlns_cc;
$page->{'xmlns:rdf'} = $xmlns_rdf;
#connect to db
my $dbh = DBI->connect("DBI:mysql:$database:$dbhost", $dbuser, $dbpass) or die $dbh->errstr;
if($query->param('id'))
{
#if id is passed ignore title and check for the id
$sth = $dbh->prepare(qq{select id, title, description, userid, from_unixtime( timestamp ),
creator, subject, contributor, source, language, coverage, rights, license
from videos where id = ? }) or die $dbh->errstr;
$rowcount = $sth->execute($query->param('id')) or die $dbh->errstr;
}
else
{
#if no id was passed there has to be a title we search for
$sth = $dbh->prepare(qq{select id, title, description, userid, from_unixtime( timestamp ),
creator, subject, contributor, source, language, coverage, rights, license
from videos where title = ? }) or die $dbh->errstr;
$rowcount = $sth->execute($query->param('title')) or die $dbh->errstr;
}
#if the args are wrong there my be zero results
#if there was a title passed, then perform a search
if($rowcount == 0 and $query->param('title'))
{
$sth = $dbh->prepare(qq{select id, title, description, userid, from_unixtime( timestamp ),
creator, subject, contributor, source, language, coverage, rights, license
from videos where match(title, description, subject) against( ? ) }) or die $dbh->errstr;
$rowcount = $sth->execute($query->param('title')) or die $dbh->errstr;
}
if($rowcount == 0)
{
#still no results
#there is nothing we can do now - this video doesn't exist...
#TODO: insert error output
}
elsif($rowcount == 1)
{
#if there was a single result, display the video
my ($title, $description, $userid, $timestamp, $creator, $subject,
$contributor, $source, $language, $coverage, $rights, $license,) = $sth->fetchrow_array();
#finish query
$sth->finish() or die $dbh->errstr;
#if referer is not the local site update referer table
$referer = $query->referer() or $referer = '';
$server_name = $query->server_name();
if($referer !~ /^\w+:\/\/$server_name/)
{
#check if already in database
$sth = $dbh->prepare(qq{select 1 from referer where videoid = ? and referer = ? }) or die $dbh->errstr;
my $rowcount = $sth->execute($query->param('id'), $referer) or die $dbh->errstr;
$sth->finish() or die $dbh->errstr;
if($rowcount > 0)
{
#video is in database - increase referercount
$sth = $dbh->prepare(qq{update referer set count=count+1 where videoid = ? and referer = ? }) or die $dbh->errstr;
$sth->execute($query->param('id'), $referer) or die $dbh->errstr;
$sth->finish();
}
else
{
#add new referer
$sth = $dbh->prepare(qq{insert into referer (videoid, referer) values (?, ?) }) or die $dbh->errstr;
$sth->execute($query->param('id'), $referer) or die $dbh->errstr;
$sth->finish();
}
}
#before code cleanup, this was a really obfuscated array/hash creation
push @{ $page->{'video'} },
{
'thumbnail' => ['./video-stills/225x150/4chan_city_mashup.png'],
'rdf:RDF' =>
{
'cc:Work' =>
{
'rdf:about' => "./videos/".$query->param('id'),
'dc:title' => [$title],
'dc:creator' => [$creator],
'dc:subject' => [$subject],
'dc:description' => [$description],
'dc:publisher' => [get_username_from_id($userid)],
'dc:contributor' => [$contributor],
'dc:date' => [$timestamp],
'dc:identifier' => ["./videos/".$query->param('id')],
'dc:source' => [$source],
'dc:language' => [$language],
'dc:coverage' => [$coverage],
'dc:rights' => [$rights]
},
'cc:License' =>
{
'rdf:about' => $license
}
}
};
}
else
{
#when an ambigous title was passed there may me many results - display them like search.pl does
$page->{results}->{query} = decode_utf8($query->param('title'));
#get every returned value
while (my ($title, $description, $userid, $timestamp) = $sth->fetchrow_array())
{
#before code cleanup, this was a really obfuscated array/hash creation
push @{ $page->{'results'}->{'result'} },
{
'thumbnail' => ['./video-stills/225x150/4chan_city_mashup.png'],
'rdf:RDF' =>
{
'cc:Work' =>
{
'rdf:about' => "./video.pl?title=$title&id=".$query->param('id'),
'dc:title' => [$title],
'dc:date' => [$timestamp],
'dc:publisher' => [get_username_from_id($userid)],
'dc:description'=> [$description]
},
'cc:License' =>
{
'rdf:about' => 'http://creativecommons.org/licenses/GPL/2.0/'
}
}
};
}
#finish query
$sth->finish() or die $dbh->errstr;
}
#close db
$dbh->disconnect() or die $dbh->errstr;
#print xml http header along with session cookie
print $session->header(-type=>'text/xml');
#print xml
print XMLout($page, KeyAttr => {}, XMLDecl => $XMLDecl, RootName => 'page');
}
else
{
print $session->header();
print "no query passed";
}