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<?php |
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namespace CSlant\Blog\Api\Services; |
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use Botble\Blog\Repositories\Interfaces\PostInterface; |
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use CSlant\Blog\Core\Http\Responses\Base\BaseHttpResponse; |
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/** |
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* Class PostNavigationService |
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* |
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* @package CSlant\Blog\Api\Services |
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* |
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* @method BaseHttpResponse httpResponse() |
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*/ |
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class PostNavigationService |
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{ |
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public function __construct( |
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protected PostInterface $postRepository |
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) { |
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} |
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/** |
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* Get previous post based on content relevance |
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* |
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* @param int|string $postId |
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* @return null|object |
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*/ |
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public function getPreviousPost(int|string $postId): ?object |
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{ |
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return $this->getRelatedPostByRelevance($postId, 'previous'); |
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} |
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/** |
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* Get next post based on content relevance |
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* |
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* @param int|string $postId |
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* @return null|object |
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*/ |
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public function getNextPost(int|string $postId): ?object |
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{ |
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return $this->getRelatedPostByRelevance($postId, 'next'); |
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} |
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/** |
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* Get both previous and next posts |
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* |
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* @param int|string $postId |
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* @return array{previous: null|object, next: null|object} |
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*/ |
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public function getNavigatePosts(int|string $postId): array |
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{ |
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return [ |
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'previous' => $this->getPreviousPost($postId), |
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'next' => $this->getNextPost($postId), |
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]; |
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} |
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/** |
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* Get posts with relevance score based on shared categories and tags |
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* Navigation is purely content-based, not time-based |
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* |
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* @param int|string $postId |
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* @param string $direction 'previous' or 'next' |
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* @return null|object |
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*/ |
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protected function getRelatedPostByRelevance(int|string $postId, string $direction = 'previous'): ?object |
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{ |
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$currentPost = $this->postRepository->findById($postId); |
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if (!$currentPost) { |
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return null; |
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} |
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// Load current post's categories and tags |
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$currentPost->load(['categories', 'tags']); |
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$categoryIds = $currentPost->categories->pluck('id')->toArray(); |
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$tagIds = $currentPost->tags->pluck('id')->toArray(); |
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if (empty($categoryIds) && empty($tagIds)) { |
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// No categories or tags, return null (no navigation) |
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return null; |
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} |
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// Get all published posts except current one |
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$posts = $this->postRepository->getModel() |
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->wherePublished() |
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->where('id', '!=', $postId) |
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->with(['slugable', 'categories', 'tags', 'author']) |
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->get(); |
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if ($posts->isEmpty()) { |
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return null; |
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} |
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// Calculate relevance score for each post |
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$scoredPosts = $posts->map(function ($post) use ($categoryIds, $tagIds) { |
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$post->load(['categories', 'tags']); |
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$postCategoryIds = $post->categories->pluck('id')->toArray(); |
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$postTagIds = $post->tags->pluck('id')->toArray(); |
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// Calculate shared categories and tags |
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$sharedCategories = count(array_intersect($categoryIds, $postCategoryIds)); |
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$sharedTags = count(array_intersect($tagIds, $postTagIds)); |
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// Weight categories higher than tags |
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$relevanceScore = ($sharedCategories * 3) + ($sharedTags * 1); |
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$post->relevance_score = $relevanceScore; |
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return $post; |
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}); |
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// Filter posts with relevance score > 0 |
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$relevantPosts = $scoredPosts |
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->filter(function ($post) { |
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return $post->relevance_score > 0; |
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}) |
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->sortByDesc('relevance_score') |
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->values(); // Reset array keys |
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if ($relevantPosts->isEmpty()) { |
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return null; |
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} |
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// Group posts by relevance score |
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$groupedByScore = $relevantPosts->groupBy('relevance_score'); |
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$scores = $groupedByScore->keys()->sortDesc(); |
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if ($direction === 'previous') { |
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// Get highest scoring post(s), pick first one |
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$highestScorePosts = $groupedByScore->get($scores->first()); |
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return $highestScorePosts->first(); |
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} else { |
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// For 'next', try to get a different post |
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if ($scores->count() > 1) { |
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// If we have multiple score levels, get from second highest |
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$secondHighestPosts = $groupedByScore->get($scores->get(1)); |
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return $secondHighestPosts->first(); |
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} else { |
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// If all posts have same score, get second post if available |
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$highestScorePosts = $groupedByScore->get($scores->first()); |
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return $highestScorePosts->count() > 1 ? $highestScorePosts->get(1) : $highestScorePosts->first(); |
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} |
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} |
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} |
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} |
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cslant /
blog-api-package
The issue could also be caused by a filter entry in the build configuration. If the path has been excluded in your configuration, e.g.
excluded_paths: ["lib/*"], you can move it to the dependency path list as follows:For further information see https://scrutinizer-ci.com/docs/tools/php/php-scrutinizer/#list-dependency-paths