/**
* Create a new instance of PluginUpdate from its JSON-encoded representation.
*
* @param string $json
* @param bool $triggerErrors
* @return PluginUpdate|null
*/
public static function fromJson($json, $triggerErrors = false)
{
//Since update-related information is simply a subset of the full plugin info,
//we can parse the update JSON as if it was a plugin info string, then copy over
//the parts that we care about.
$pluginInfo = PluginInfo::fromJson($json, $triggerErrors);
if ($pluginInfo != null) {
return PluginUpdate::fromPluginInfo($pluginInfo);
} else {
return null;
}
}
/**
* Retrieve the latest update (if any) from the configured API endpoint.
*
* @uses PluginUpdateChecker::requestInfo()
*
* @return PluginUpdate An instance of PluginUpdate, or NULL when no updates are available.
*/
public function requestUpdate()
{
//For the sake of simplicity, this function just calls requestInfo()
//and transforms the result accordingly.
$pluginInfo = $this->requestInfo(array('checking_for_updates' => '1'));
if ($pluginInfo == null) {
return null;
}
return PluginUpdate::fromPluginInfo($pluginInfo);
}
