public function add(\Pyrus\ChannelInterface $channel, $update = false, $lastmodified = false)
{
if ($this->readonly) {
throw new Exception('Cannot add channel, registry is read-only');
}
if (!is_writable($this->_channelPath)) {
throw new Exception('Cannot add channel ' . $channel->name . ', channel registry path is not writable');
}
$this->lazyInit();
$channel->validate();
$exists = $this->exists($channel->name);
if ($exists && 1 !== $exists) {
if (!$update) {
throw new Exception('Cannot add channel ' . $channel->name . ', channel already exists, use update to change');
}
$checker = $this->get($channel->name);
if ($channel->alias != $checker->alias) {
if (file_exists($this->channelAliasFileName($checker->alias))) {
@unlink($this->channelAliasFileName($checker->alias));
}
}
} elseif ($update) {
throw new Exception('Error: channel ' . $channel->name . ' is unknown');
}
if ($channel->alias != $channel->name) {
if (file_exists($this->channelAliasFileName($channel->alias)) && $this->channelFromAlias($channel->alias) != $channel->name) {
$channel->alias = $channel->name;
}
$fp = @fopen($this->channelAliasFileName($channel->alias), 'w');
if (!$fp) {
throw new Exception('Cannot add/update channel ' . $channel->name . ', unable to open PEAR1 channel alias file');
}
fwrite($fp, $channel->name);
fclose($fp);
}
$fp = @fopen($this->channelFileName($channel->name), 'wb');
if (!$fp) {
throw new Exception('Cannot add/update channel ' . $channel->name . ', unable to open PEAR1 channel registry file');
}
$info = (string) $channel;
$parser = new \Pyrus\XMLParser();
$info = $parser->parseString($info);
$info = $info['channel'];
if ($lastmodified) {
$info['_lastmodified'] = $lastmodified;
} else {
$info['_lastmodified'] = date('r');
}
fwrite($fp, serialize($info));
fclose($fp);
return true;
}
/**
* Validate the xml against the channel schema.
*
*/
function validate()
{
if (!isset($this->_xml)) {
$this->__toString();
}
$a = new \Pyrus\XMLParser();
$schema = \Pyrus\Main::getDataPath() . '/channel-1.0.xsd';
try {
$a->parseString($this->_xml, $schema);
return true;
} catch (\Exception $e) {
throw new \Pyrus\Channel\Exception('Invalid channel.xml', $e);
}
}
/**
* get the packages in a category
*
* @param string $category name of category
*
* @return array
*/
public function packagesInCategory($category)
{
$packages = array();
$file = $this->_restDir . 'c/' . urlencode($category) . '/packages.xml';
if (file_exists($file)) {
$parser = new \Pyrus\XMLParser();
try {
$content = file_get_contents($file);
$content = $parser->parseString($content);
if (isset($content['l']['p']['_content'])) {
$packages[] = $content['l']['p']['_content'];
} else {
foreach ($content['l']['p'] as $package) {
$packages[] = $package['_content'];
}
}
} catch (\Exception $e) {
// unable to parse, assume empty.
}
}
foreach ($this->_packages as $p => $c) {
if ($c === $category && !in_array($p, $packages)) {
$packages[] = $p;
}
}
return $packages;
}
