/**
* Generates the content of the hook
*
* {hook name="hook_code" var1="value1" var2="value2" ... }
*
* This function create an event, feed it with the custom variables passed to the function (var1, var2, ...) and
* dispatch it to the hooks that respond to it.
*
* The name of the event is `hook.{context}.{hook_code}` where :
* * context : the id of the context of the smarty render : 1: frontoffice, 2: backoffice, 3: email, 4: pdf
* * hook_code : the code of the hook
*
* The event collects all the fragments of text rendered in each modules functions that listen to this event.
* Finally, this fragments are concatenated and injected in the template
*
* @param array $params the params passed in the smarty function
* @param \TheliaSmarty\Template\SmartyParser $smarty the smarty parser
*
* @return string the contents generated by modules
*/
public function processHookFunction($params, &$smarty)
{
$hookName = $this->getParam($params, 'name');
$module = intval($this->getParam($params, 'module', 0));
$moduleCode = $this->getParam($params, 'modulecode', "");
$type = $smarty->getTemplateDefinition()->getType();
$event = new HookRenderEvent($hookName, $params);
$event->setArguments($this->getArgumentsFromParams($params));
$eventName = sprintf('hook.%s.%s', $type, $hookName);
// this is a hook specific to a module
if (0 === $module && "" !== $moduleCode) {
if (null !== ($mod = ModuleQuery::create()->findOneByCode($moduleCode))) {
$module = $mod->getId();
}
}
if (0 !== $module) {
$eventName .= '.' . $module;
}
$this->getDispatcher()->dispatch($eventName, $event);
$content = trim($event->dump());
if ($this->debug && $smarty->getRequest()->get('SHOW_HOOK')) {
$content = sprintf('<div style="background-color: #C82D26; color: #fff; border-color: #000000; border: solid;">%s</div>%s', $hookName, $content);
}
$this->hookResults[$hookName] = $content;
// support for compatibility with module_include
if ($type === TemplateDefinition::BACK_OFFICE) {
$content .= $this->moduleIncludeCompat($params, $smarty);
}
return $content;
}