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<?php |
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/** |
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* @link https://github.com/vuongxuongminh/laravel-mobile-first |
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* |
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* @copyright (c) Vuong Xuong Minh |
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* @license [MIT](https://opensource.org/licenses/MIT) |
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*/ |
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namespace VXM\MobileFirst; |
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use Illuminate\View\View; |
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use Jenssegers\Agent\Agent; |
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use InvalidArgumentException; |
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use Illuminate\Filesystem\Filesystem; |
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/** |
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* @author Vuong Minh <[email protected]> |
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* @since 1.0.0 |
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*/ |
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class ViewComposer |
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{ |
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/** |
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* Agent help to detect user device. |
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* |
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* @var Agent |
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*/ |
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protected $agent; |
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/** |
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* An array with key's device type mapping with sub dir of it. |
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* |
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* @var array |
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*/ |
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protected $deviceSubDirs; |
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/** |
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* Resolved path cached. |
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* |
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* @var array |
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*/ |
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protected $resolvedPaths = []; |
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/** |
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* Helpful resolve path. |
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* |
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* @var Filesystem |
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*/ |
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protected $files; |
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/** |
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* Create a new ViewComposer instance. |
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* |
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* @param Agent $agent |
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* @param array $deviceSubDirs |
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* @param Filesystem $files |
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*/ |
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public function __construct(Agent $agent, array $deviceSubDirs, Filesystem $files) |
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{ |
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$this->agent = $agent; |
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$this->deviceSubDirs = $deviceSubDirs; |
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$this->files = $files; |
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} |
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/** |
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* Compose given View instance. |
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* |
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* @param View $view |
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*/ |
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public function compose(View $view): void |
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{ |
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$path = $view->getPath(); |
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if (isset($this->resolvedPaths[$path])) { |
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$resolvedPath = $this->resolvedPaths[$path]; |
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} else { |
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$resolvedPath = $this->resolvePath($view); |
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} |
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if ($resolvedPath) { |
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$view->setPath($this->resolvedPaths[$path] = $resolvedPath); |
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} else { |
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$this->resolvedPaths[$path] = false; |
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} |
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} |
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/** |
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* Resolve path by end-user device. |
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* |
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* @param View $view |
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* @return string|null |
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*/ |
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protected function resolvePath(View $view): ?string |
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{ |
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foreach ($this->deviceSubDirs as $device => $subDir) { |
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if ($this->isDevice($device) && $path = $this->findSubPath($view, $subDir)) { |
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return $path; |
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} |
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} |
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return null; |
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} |
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/** |
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* Checking current device of end-user by given value. |
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* |
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* @param $device |
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* @return bool |
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*/ |
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protected function isDevice($device): bool |
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{ |
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switch ($device) { |
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case 'phone': |
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return $this->agent->isPhone(); |
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case 'tablet': |
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return $this->agent->isTablet(); |
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case 'mobile': |
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return $this->agent->isMobile(); |
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default: |
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return $this->agent->is($device); |
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} |
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} |
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/** |
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* Find sub path. |
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* |
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* @param View $view |
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* @param string $subDir |
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* @return string|null |
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*/ |
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protected function findSubPath(View $view, string $subDir): ?string |
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{ |
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if ($view->getName() !== $view->getPath()) { |
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return $this->findSubViewPath($view, $subDir); |
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} else { |
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return $this->findSubNativePath($view, $subDir); |
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} |
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} |
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/** |
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* Find sub view path. |
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* |
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* @param View $view |
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* @param string $subDir |
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* @return string|null |
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*/ |
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protected function findSubViewPath(View $view, string $subDir): ?string |
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{ |
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$rawPath = str_replace('.', '/', $view->getName()); |
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$base = $this->files->dirname($rawPath); |
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$name = $this->files->name($rawPath); |
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$path = ltrim($base.'.'.$subDir.'.'.$name, '.'); |
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$factory = $view->getFactory(); |
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try { |
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$path = $factory->getFinder()->find($path); |
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} catch (InvalidArgumentException $exception) { |
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return null; |
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} |
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if ($view->getEngine() === $factory->getEngineFromPath($path)) { |
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return $path; |
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} |
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return null; |
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} |
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/** |
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* Find sub native path. |
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* |
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* @param View $view |
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* @param string $subDir |
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* @return string|null |
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*/ |
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protected function findSubNativePath(View $view, string $subDir): ?string |
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{ |
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$path = $view->getPath(); |
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$dirname = $this->files->dirname($path); |
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$basename = $this->files->basename($path); |
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if ($this->files->exists($path = $dirname.'/'.$subDir.'/'.$basename)) { |
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return $path; |
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} |
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return null; |
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} |
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} |
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vuongxuongminh /
laravel-mobile-first
