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<?php
namespace Illuminate\Support;
use Illuminate\Console\Application as Artisan;
use Illuminate\Contracts\Support\DeferrableProvider;
abstract class ServiceProvider
{
/**
* The application instance.
*
* @var \Illuminate\Contracts\Foundation\Application
*/
protected $app;
/**
* The paths that should be published.
*
* @var array
*/
public static $publishes = [];
/**
* The paths that should be published by group.
*
* @var array
*/
public static $publishGroups = [];
/**
* Create a new service provider instance.
*
* @param \Illuminate\Contracts\Foundation\Application $app
* @return void
*/
public function __construct($app)
{
$this->app = $app;
}
/**
* Register any application services.
*
* @return void
*/
public function register()
{
//
}
/**
* Merge the given configuration with the existing configuration.
*
* @param string $path
* @param string $key
* @return void
*/
protected function mergeConfigFrom($path, $key)
{
if (! $this->app->configurationIsCached()) {
$this->app['config']->set($key, array_merge(
require $path, $this->app['config']->get($key, [])
));
}
}
/**
* Load the given routes file if routes are not already cached.
*
* @param string $path
* @return void
*/
protected function loadRoutesFrom($path)
{
if (! $this->app->routesAreCached()) {
require $path;
}
}
/**
* Register a view file namespace.
*
* @param string|array $path
* @param string $namespace
* @return void
*/
protected function loadViewsFrom($path, $namespace)
{
$view = $this->app['view'];
if (is_array($this->app->config['view']['paths'])) {
foreach ($this->app->config['view']['paths'] as $viewPath) {
if (is_dir($appPath = $viewPath.'/vendor/'.$namespace)) {
$view->addNamespace($namespace, $appPath);
}
}
}
$view->addNamespace($namespace, $path);
}
/**
* Register a translation file namespace.
*
* @param string $path
* @param string $namespace
* @return void
*/
protected function loadTranslationsFrom($path, $namespace)
{
$this->app['translator']->addNamespace($namespace, $path);
}
/**
* Register a JSON translation file path.
*
* @param string $path
* @return void
*/
protected function loadJsonTranslationsFrom($path)
{
$this->app['translator']->addJsonPath($path);
}
/**
* Register a database migration path.
*
* @param array|string $paths
* @return void
*/
protected function loadMigrationsFrom($paths)
{
$this->app->afterResolving('migrator', function ($migrator) use ($paths) {
foreach ((array) $paths as $path) {
$migrator->path($path);
}
});
}
/**
* Register paths to be published by the publish command.
*
* @param array $paths
* @param mixed $groups
* @return void
*/
protected function publishes(array $paths, $groups = null)
{
$this->ensurePublishArrayInitialized($class = static::class);
static::$publishes[$class] = array_merge(static::$publishes[$class], $paths);
foreach ((array) $groups as $group) {
$this->addPublishGroup($group, $paths);
}
}
/**
* Ensure the publish array for the service provider is initialized.
*
* @param string $class
* @return void
*/
protected function ensurePublishArrayInitialized($class)
{
if (! array_key_exists($class, static::$publishes)) {
static::$publishes[$class] = [];
}
}
/**
* Add a publish group / tag to the service provider.
*
* @param string $group
* @param array $paths
* @return void
*/
protected function addPublishGroup($group, $paths)
{
if (! array_key_exists($group, static::$publishGroups)) {
static::$publishGroups[$group] = [];
}
static::$publishGroups[$group] = array_merge(
static::$publishGroups[$group], $paths
);
}
/**
* Get the paths to publish.
*
* @param string $provider
* @param string $group
* @return array
*/
public static function pathsToPublish($provider = null, $group = null)
{
if (! is_null($paths = static::pathsForProviderOrGroup($provider, $group))) {
return $paths;
}
return collect(static::$publishes)->reduce(function ($paths, $p) {
return array_merge($paths, $p);
}, []);
}
/**
* Get the paths for the provider or group (or both).
*
* @param string|null $provider
* @param string|null $group
* @return array
*/
protected static function pathsForProviderOrGroup($provider, $group)
{
if ($provider && $group) {
return static::pathsForProviderAndGroup($provider, $group);
} elseif ($group && array_key_exists($group, static::$publishGroups)) {
return static::$publishGroups[$group];
} elseif ($provider && array_key_exists($provider, static::$publishes)) {
return static::$publishes[$provider];
} elseif ($group || $provider) {
return [];
}
}
/**
* Get the paths for the provider and group.
*
* @param string $provider
* @param string $group
* @return array
*/
protected static function pathsForProviderAndGroup($provider, $group)
{
if (! empty(static::$publishes[$provider]) && ! empty(static::$publishGroups[$group])) {
return array_intersect_key(static::$publishes[$provider], static::$publishGroups[$group]);
}
return [];
}
/**
* Get the service providers available for publishing.
*
* @return array
*/
public static function publishableProviders()
{
return array_keys(static::$publishes);
}
/**
* Get the groups available for publishing.
*
* @return array
*/
public static function publishableGroups()
{
return array_keys(static::$publishGroups);
}
/**
* Register the package's custom Artisan commands.
*
* @param array|mixed $commands
* @return void
*/
public function commands($commands)
{
$commands = is_array($commands) ? $commands : func_get_args();
Artisan::starting(function ($artisan) use ($commands) {
$artisan->resolveCommands($commands);
});
}
/**
* Get the services provided by the provider.
*
* @return array
*/
public function provides()
{
return [];
}
/**
* Get the events that trigger this service provider to register.
*
* @return array
*/
public function when()
{
return [];
}
/**
* Determine if the provider is deferred.
*
* @return bool
*/
public function isDeferred()
{
return $this instanceof DeferrableProvider;
}
}