yolanda/trunk/functions.pl
2007-10-29 21:26:39 +00:00

147 lines
3.9 KiB
Perl

#!/usr/bin/perl
require "include.pl";
#get tags from database and fill $page with xml
sub fill_tagcloud
{
#connect to db
my $dbh = DBI->connect("DBI:mysql:$database:$dbhost", $dbuser, $dbpass);
#prepare query
my $sth = $dbh->prepare(qq{select text, count from tagcloud }) or die $dbh->errstr;
#execute it
$sth->execute() or die $dbh->errstr;
#get every returned value
while (my ($text, $count) = $sth->fetchrow_array())
{
#push the new value to the $page->tagcloud array
push @{ $page->{tagcloud}->{tag} }, { text => [$text], count => [$count] };
}
#finish query
$sth->finish() or die $dbh->errstr;
#close db
$dbh->disconnect() or die $dbh->errstr;
}
sub get_userinfo_from_sid
{
#get parameters
my ($sid) = @_;
#connect to db
my $dbh = DBI->connect("DBI:mysql:$database:$dbhost", $dbuser, $dbpass);
#prepare query
my $sth = $dbh->prepare(qq{select id, username, locale, pagesize, cortado from users where sid = ?}) or die $dbh->errstr;
#execute it
$sth->execute($sid) or die $dbh->errstr;
#save the resulting username
($userinfo->{'id'}, $userinfo->{'username'}, $userinfo->{'locale'}, $userinfo->{'pagesize'}, $userinfo->{'cortado'}) = $sth->fetchrow_array();
#finish query
$sth->finish() or die $dbh->errstr;
#close db
$dbh->disconnect() or die $dbh->errstr;
#return
return @userinfo;
}
sub get_page_array
{
#get parameters
my (@userinfo) = @_;
$page->{'username'} = $userinfo->{'username'};
#if user is logged in, use his locale setting
if($userinfo->{'locale'})
{
$page->{'locale'} = $userinfo->{'locale'};
}
#else get the locale from the http server variable
else
{
($page->{'locale'}) = $query->http('HTTP_ACCEPT_LANGUAGE') =~ /^([^,]+),.*$/;
}
$page->{stylesheet} = $stylesheet;
$page->{'xmlns:dc'} = $xmlns_dc;
$page->{'xmlns:cc'} = $xmlns_cc;
$page->{'xmlns:rdf'} = $xmlns_rdf;
}
sub fill_results
{
#connect to db
my $dbh = DBI->connect("DBI:mysql:$database:$dbhost", $dbuser, $dbpass);
#prepare query
my $sth = $dbh->prepare($dbquery) or die $dbh->errstr;
#execute it
$resultcount = $sth->execute(@_) or die $dbh->errstr;
$pagesize = $query->param('pagesize') or $pagesize = 5;
#rediculous but funny round up, will fail with 100000000000000 results per page
#on 0.0000000000001% of all queries - this is a risk we can handle
$lastpage = int($resultcount/$pagesize+0.99999999999999);
$currentpage = $query->param('page') or $currentpage = 1;
$dbquery .= " limit ".($currentpage-1)*$pagesize.", ".$pagesize;
#prepare query
$sth = $dbh->prepare($dbquery) or die $dbh->errstr;
#execute it
$sth->execute(@_) or die $dbquery;
$page->{'results'}->{'lastpage'} = $lastpage;
$page->{'results'}->{'currentpage'} = $currentpage;
$page->{'results'}->{'resultcount'} = $resultcount eq '0E0' ? 0 : $resultcount;
$page->{'results'}->{'pagesize'} = $pagesize;
#get every returned value
while (my ($id, $title, $description, $publisher, $timestamp, $creator, $subject,
$contributor, $source, $language, $coverage, $rights, $license,
$filesize, $duration, $width, $height, $fps, $viewcount, $downloadcount) = $sth->fetchrow_array())
{
#before code cleanup, this was a really obfuscated array/hash creation
push @{ $page->{'results'}->{'result'} },
{
'thumbnail' => "/video-stills/$id",
'duration' => $duration,
'viewcount' => $viewcount,
'edit' => $userinfo->{'username'} eq $publisher ? "true" : "false",
'rdf:RDF' =>
{
'cc:Work' =>
{
'rdf:about' => "$domain/download/$id",
'dc:title' => [$title],
'dc:creator' => [$creator],
'dc:date' => [$timestamp],
'dc:identifier' => ["$domain/video/$title/$id"],
'dc:publisher' => [$publisher]
},
'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;
}