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90 lines
2.5 KiB
90 lines
2.5 KiB
8 years ago
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<?php
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namespace frontend\urls;
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use core\entities\post\Post;
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use core\entities\post\PostType;
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use core\repositories\post\read\PostReadRepository;
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use yii\base\BaseObject;
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use yii\base\InvalidParamException;
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use yii\caching\Cache;
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use yii\web\UrlNormalizerRedirectException;
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use yii\web\UrlRuleInterface;
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class PostUrlRule extends BaseObject implements UrlRuleInterface
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{
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private $repository;
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private $cache;
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public function __construct(PostReadRepository $repository, Cache $cache, $config = [])
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{
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parent::__construct($config);
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$this->repository = $repository;
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$this->cache = $cache;
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}
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public function parseRequest($manager, $request)
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{
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$path = $request->pathInfo;
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$result = $this->cache->getOrSet(['post_route', 'path' => $path], function () use ($path) {
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if (!$post = $this->repository->findBySlug($this->getPathSlug($path))) {
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return ['id' => null, 'path' => null];
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}
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return ['id' => $post->id, 'path' => $this->getPagePath($post)];
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}, 1000);
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if (empty($result['id'])) {
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return false;
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}
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if ($path != $result['path']) {
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throw new UrlNormalizerRedirectException(['post/post', 'id' => $result['id']], 301);
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}
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return ['post/post', ['id' => $result['id']]];
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}
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public function createUrl($manager, $route, $params)
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{
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if ($route == 'post/post') {
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if (empty($params['id'])) {
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throw new InvalidParamException('Empty id.');
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}
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$id = $params['id'];
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$url = $this->cache->getOrSet(['post_route', 'id' => $id], function () use ($id) {
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if (!$post = $this->repository->find($id)) {
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return null;
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}
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return $this->getPagePath($post);
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});
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if (!$url) {
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throw new InvalidParamException('Undefined id.');
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}
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unset($params['id']);
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if (!empty($params) && ($query = http_build_query($params)) !== '') {
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$url .= '?' . $query;
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}
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return $url;
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}
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return false;
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}
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private function getPathSlug($path): string
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{
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$chunks = explode('/', $path);
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return end($chunks);
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}
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private function getPagePath(Post $post): string
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{
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$type = PostType::findOne($post->type_id);
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$chunks = [$type->name];
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$chunks[] = $post->slug;
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return implode('/', $chunks);
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}
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}
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