function freshports_CategoryByElementID($db, $element_id, $PageNo = 1, $PageSize = DEFAULT_PAGE_SIZE)
{
require_once $_SERVER['DOCUMENT_ROOT'] . '/../classes/categories.php';
$category = new Category($db);
$category->FetchByElementID($element_id);
freshports_ConditionalGet($category->last_modified);
freshports_CategoryDisplay($db, $category, $PageNo, $PageSize);
}
function freshports_Parse404URI($REQUEST_URI, $db)
{
#
# we have a pending 404
# if we can parse it, then do so and return a false value;
# otherwise, return a non-false value.
global $User;
$Debug = 0;
$result = '';
$IsPort = false;
$IsCategory = false;
$IsElement = false;
if ($Debug) {
echo "Debug is turned on. Only 404 will be returned now because we cannot alter the headers at this time.<br>\n";
}
$CategoryID = 0;
define('FRESHPORTS_PORTS_TREE_PREFIX', '/ports/head/');
$URLParts = parse_url($_SERVER['SCRIPT_URI']);
if ($Debug) {
echo 'the URI is <pre>' . $_SERVER['SCRIPT_URI'] . "</pre><br>\n";
echo 'the url parts are <pre>' . print_r($URLParts) . "</pre><br>\n";
}
$pathname = $URLParts['path'];
if ($Debug) {
echo "The pathname is '{$pathname}'<br>";
}
require_once $_SERVER['DOCUMENT_ROOT'] . '/../classes/element_record.php';
$ElementRecord = new ElementRecord($db);
# first goal, remove leading / and leading ports/
if (substr($pathname, 0, 1) == '/') {
$pathname = substr($pathname, 1);
}
if (preg_match('|^ports/|', $pathname)) {
$pathname = substr($pathname, 6);
}
define('PATH_NAME', $pathname);
if ($Debug) {
echo "PATH_NAME='" . FRESHPORTS_PORTS_TREE_PREFIX . PATH_NAME . "'<br>";
}
if ($ElementRecord->FetchByName(FRESHPORTS_PORTS_TREE_PREFIX . $pathname)) {
$IsElement = true;
if ($Debug) {
echo 'Yes, we found an element for that path!<br>';
echo '<pre>';
echo print_r($ElementRecord, true);
echo '</pre>';
}
if ($ElementRecord->IsCategory()) {
$IsCategory = true;
if ($Debug) {
echo 'This is a category<br>';
}
require_once $_SERVER['DOCUMENT_ROOT'] . '/../classes/categories.php';
$Category = new Category($db);
$CategoryID = $Category->FetchByElementID($ElementRecord->id);
} else {
if ($Debug) {
echo 'That path does not point at a category!<br>';
}
}
if ($ElementRecord->IsPort()) {
$IsPort = true;
# we don't use list($category, $port) so we don't have to worry
# about extra bits
$PathParts = explode('/', PATH_NAME);
$category = $PathParts[0];
$port = $PathParts[1];
if ($Debug) {
echo "This is a port!<br>";
}
if ($Debug) {
echo "Category='{$category}'<br>";
}
if ($Debug) {
echo "Port='{$port}'<br>";
}
} else {
if ($Debug) {
echo 'The call to ElementRecord indicates this is not a port<br>';
}
}
} else {
if ($Debug) {
echo 'not an element<br>';
}
# let's see if this is a virtual category!
$result = $REQUEST_URI;
$PathParts = explode('/', PATH_NAME);
if ($Debug) {
echo '<pre>';
print_r($PathParts);
echo '</pre>';
}
# start with nothing.
unset($category);
unset($port);
# if the URL looks like /afterstep/, then we'll get two elements
# in the array. The second will be empty. Hence the != ''
#
# grab whatever we have
#
if (isset($PathParts[0]) && $PathParts[0] != '') {
$category = $PathParts[0];
if ($Debug) {
echo "Category is '{$category}'<br>";
}
}
if (isset($PathParts[1]) && $PathParts[1] != '') {
$port = $PathParts[1];
if ($Debug) {
echo "Port is '{$port}'<br>";
}
}
if (isset($port)) {
$IsPort = true;
$IsPort = false;
$result = $REQUEST_URI;
if ($Debug) {
echo 'This is a Port but there is no element for it.<br>';
}
}
if (isset($category) && !$IsPort) {
# we have a valid category, but no valid port.
# we will display the category only if they did *try* to speciy a port.
# i.e. they suuplied an invalid port name
if ($Debug) {
echo 'This is a category<br>';
}
if (isset($port)) {
if ($Debug) {
'Invalid port supplied for a valid category<br>';
}
} else {
require_once $_SERVER['DOCUMENT_ROOT'] . '/../classes/categories.php';
$Category = new Category($db);
$CategoryID = $Category->FetchByName($category);
if ($CategoryID) {
$IsCategory = true;
}
}
}
}
if ($Debug) {
echo 'let us see what we will include now....<br>';
}
if ($IsPort) {
if ($Debug) {
echo 'including missing-port ' . $Debug . '<BR>';
}
require_once $_SERVER['DOCUMENT_ROOT'] . '/missing-port.php';
if ($Debug) {
echo 'including missing-port ' . $Debug . '<BR>';
}
# if zero is returned, all is well, otherwise, we can't display that category/port.
if (freshports_PortDisplay($db, $category, $port)) {
echo 'freshports_PortDisplay returned non-zero';
exit;
}
}
if ($IsCategory && !$IsPort) {
if ($Debug) {
echo 'This is a category<br>';
}
require_once $_SERVER['DOCUMENT_ROOT'] . '/missing-category.php';
freshports_CategoryByID($db, $CategoryID, 1, $User->page_size);
exit;
}
if ($IsElement && !$IsPort) {
if ($Debug) {
echo 'This is an element<br>';
}
require_once $_SERVER['DOCUMENT_ROOT'] . '/missing-non-port.php';
freshports_NonPortDescription($db, $ElementRecord);
exit;
}
return $result;
}
