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BookStack/app/Theming/ThemeService.php
2021-11-23 20:41:12 +00:00

79 lines
2.2 KiB
PHP

<?php
namespace BookStack\Theming;
use BookStack\Auth\Access\SocialAuthService;
use Illuminate\Console\Application;
use Illuminate\Console\Application as Artisan;
use Symfony\Component\Console\Command\Command;
class ThemeService
{
protected $listeners = [];
/**
* Listen to a given custom theme event,
* setting up the action to be ran when the event occurs.
*/
public function listen(string $event, callable $action)
{
if (!isset($this->listeners[$event])) {
$this->listeners[$event] = [];
}
$this->listeners[$event][] = $action;
}
/**
* Dispatch the given event name.
* Runs any registered listeners for that event name,
* passing all additional variables to the listener action.
*
* If a callback returns a non-null value, this method will
* stop and return that value itself.
*
* @return mixed
*/
public function dispatch(string $event, ...$args)
{
foreach ($this->listeners[$event] ?? [] as $action) {
$result = call_user_func_array($action, $args);
if (!is_null($result)) {
return $result;
}
}
return null;
}
/**
* Register a new custom artisan command to be available.
*/
public function registerCommand(Command $command)
{
Artisan::starting(function (Application $application) use ($command) {
$application->addCommands([$command]);
});
}
/**
* Read any actions from the set theme path if the 'functions.php' file exists.
*/
public function readThemeActions()
{
$themeActionsFile = theme_path('functions.php');
if ($themeActionsFile && file_exists($themeActionsFile)) {
require $themeActionsFile;
}
}
/**
* @see SocialAuthService::addSocialDriver
*/
public function addSocialDriver(string $driverName, array $config, string $socialiteHandler, callable $configureForRedirect = null)
{
$socialAuthService = app()->make(SocialAuthService::class);
$socialAuthService->addSocialDriver($driverName, $config, $socialiteHandler, $configureForRedirect);
}
}