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<?php
namespace Nwidart\Modules;
use Illuminate\Cache\CacheManager;
use Illuminate\Container\Container;
use Illuminate\Filesystem\Filesystem;
use Illuminate\Support\Arr;
use Illuminate\Support\Str;
use Illuminate\Support\Traits\Macroable;
use Illuminate\Translation\Translator;
use Nwidart\Modules\Contracts\ActivatorInterface;
abstract class Module
{
use Macroable;
/**
* The laravel|lumen application instance.
*
* @var \Illuminate\Contracts\Foundation\Application|\Laravel\Lumen\Application
*/
protected $app;
/**
* The module name.
*
* @var
*/
protected $name;
/**
* The module path.
*
* @var string
*/
protected $path;
/**
* @var array of cached Json objects, keyed by filename
*/
protected $moduleJson = [];
/**
* @var CacheManager
*/
private $cache;
/**
* @var Filesystem
*/
private $files;
/**
* @var Translator
*/
private $translator;
/**
* @var ActivatorInterface
*/
private $activator;
/**
* The constructor.
* @param Container $app
* @param $name
* @param $path
*/
public function __construct(Container $app, string $name, $path)
{
$this->name = $name;
$this->path = $path;
$this->cache = $app['cache'];
$this->files = $app['files'];
$this->translator = $app['translator'];
$this->activator = $app[ActivatorInterface::class];
$this->app = $app;
}
/**
* Get name.
*
* @return string
*/
public function getName(): string
{
return $this->name;
}
/**
* Get name in lower case.
*
* @return string
*/
public function getLowerName(): string
{
return strtolower($this->name);
}
/**
* Get name in studly case.
*
* @return string
*/
public function getStudlyName(): string
{
return Str::studly($this->name);
}
/**
* Get name in snake case.
*
* @return string
*/
public function getSnakeName(): string
{
return Str::snake($this->name);
}
/**
* Get description.
*
* @return string
*/
public function getDescription(): string
{
return $this->get('description');
}
/**
* Get alias.
*
* @return string
*/
public function getAlias(): string
{
return $this->get('alias');
}
/**
* Get priority.
*
* @return string
*/
public function getPriority(): string
{
return $this->get('priority');
}
/**
* Get module requirements.
*
* @return array
*/
public function getRequires(): array
{
return $this->get('requires');
}
/**
* Get path.
*
* @return string
*/
public function getPath(): string
{
return $this->path;
}
/**
* Set path.
*
* @param string $path
*
* @return $this
*/
public function setPath($path): Module
{
$this->path = $path;
return $this;
}
/**
* Bootstrap the application events.
*/
public function boot(): void
{
if (config('modules.register.translations', true) === true) {
$this->registerTranslation();
}
if ($this->isLoadFilesOnBoot()) {
$this->registerFiles();
}
$this->fireEvent('boot');
}
/**
* Register module's translation.
*
* @return void
*/
protected function registerTranslation(): void
{
$lowerName = $this->getLowerName();
$langPath = $this->getPath() . '/Resources/lang';
if (is_dir($langPath)) {
$this->loadTranslationsFrom($langPath, $lowerName);
}
}
/**
* Get json contents from the cache, setting as needed.
*
* @param string $file
*
* @return Json
*/
public function json($file = null) : Json
{
if ($file === null) {
$file = 'module.json';
}
return Arr::get($this->moduleJson, $file, function () use ($file) {
return $this->moduleJson[$file] = new Json($this->getPath() . '/' . $file, $this->files);
});
}
/**
* Get a specific data from json file by given the key.
*
* @param string $key
* @param null $default
*
* @return mixed
*/
public function get(string $key, $default = null)
{
return $this->json()->get($key, $default);
}
/**
* Get a specific data from composer.json file by given the key.
*
* @param $key
* @param null $default
*
* @return mixed
*/
public function getComposerAttr($key, $default = null)
{
return $this->json('composer.json')->get($key, $default);
}
/**
* Register the module.
*/
public function register(): void
{
$this->registerAliases();
$this->registerProviders();
if ($this->isLoadFilesOnBoot() === false) {
$this->registerFiles();
}
$this->fireEvent('register');
}
/**
* Register the module event.
*
* @param string $event
*/
protected function fireEvent($event): void
{
$this->app['events']->dispatch(sprintf('modules.%s.' . $event, $this->getLowerName()), [$this]);
}
/**
* Register the aliases from this module.
*/
abstract public function registerAliases(): void;
/**
* Register the service providers from this module.
*/
abstract public function registerProviders(): void;
/**
* Get the path to the cached *_module.php file.
*
* @return string
*/
abstract public function getCachedServicesPath(): string;
/**
* Register the files from this module.
*/
protected function registerFiles(): void
{
foreach ($this->get('files', []) as $file) {
include $this->path . '/' . $file;
}
}
/**
* Handle call __toString.
*
* @return string
*/
public function __toString()
{
return $this->getStudlyName();
}
/**
* Determine whether the given status same with the current module status.
*
* @param bool $status
*
* @return bool
*/
public function isStatus(bool $status) : bool
{
return $this->activator->hasStatus($this, $status);
}
/**
* Determine whether the current module activated.
*
* @return bool
*/
public function isEnabled() : bool
{
return $this->activator->hasStatus($this, true);
}
/**
* Determine whether the current module not disabled.
*
* @return bool
*/
public function isDisabled() : bool
{
return !$this->isEnabled();
}
/**
* Set active state for current module.
*
* @param bool $active
*
* @return void
*/
public function setActive(bool $active): void
{
$this->activator->setActive($this, $active);
}
/**
* Disable the current module.
*/
public function disable(): void
{
$this->fireEvent('disabling');
$this->activator->disable($this);
$this->flushCache();
$this->fireEvent('disabled');
}
/**
* Enable the current module.
*/
public function enable(): void
{
$this->fireEvent('enabling');
$this->activator->enable($this);
$this->flushCache();
$this->fireEvent('enabled');
}
/**
* Delete the current module.
*
* @return bool
*/
public function delete(): bool
{
$this->activator->delete($this);
return $this->json()->getFilesystem()->deleteDirectory($this->getPath());
}
/**
* Get extra path.
*
* @param string $path
*
* @return string
*/
public function getExtraPath(string $path) : string
{
return $this->getPath() . '/' . $path;
}
/**
* Check if can load files of module on boot method.
*
* @return bool
*/
protected function isLoadFilesOnBoot(): bool
{
return config('modules.register.files', 'register') === 'boot' &&
// force register method if option == boot && app is AsgardCms
!class_exists('\Modules\Core\Foundation\AsgardCms');
}
private function flushCache(): void
{
if (config('modules.cache.enabled')) {
$this->cache->store()->flush();
}
}
/**
* Register a translation file namespace.
*
* @param string $path
* @param string $namespace
* @return void
*/
private function loadTranslationsFrom(string $path, string $namespace): void
{
$this->translator->addNamespace($namespace, $path);
}
}
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