reduce complexity php insight

app/Services/BlogPost/ListViewService.php

@@ -0,0 +1,98 @@
+<?php
+
+namespace App\Services\BlogPost;
+
+use App\Livewire\BlogPost\ListView;
+use App\Models\BlogPost;
+use App\Models\Tag;
+use App\Models\User;
+use Illuminate\Database\Eloquent\Relations\MorphToMany;
+use Illuminate\Database\Eloquent\Relations\Relation;
+use Illuminate\Database\Eloquent\Builder;
+use Illuminate\Support\Str;
+
+class ListViewService
+{
+    private ListView $parentState;
+
+    public function __construct(ListView $parent)
+    {
+        $this->parentState = $parent;
+    }
+
+    public function buildBlogPosts(): BlogPost
+    {
+        $recipes = $this->getPrimaryCriteriedBlogPosts();
+
+        return $this->getSecondaryCriteriedBlogPosts($recipes);
+    }
+
+    private function getPrimaryCriteriedBlogPosts(): Builder|BlogPost|MorphToMany|array
+    {
+        if ($this->parentState->author) {
+            $posts = $this->getAuthorBlogPosts();
+        } elseif ($this->parentState->tag) {
+            $posts = $this->getTagBlogPosts();
+        } elseif ($this->parentState->search && mb_strlen($this->parentState->search) > 2) {
+            $posts = $this->getSearchBlogPosts();
+        } else {
+            $posts = (new BlogPost());
+        }
+
+        return $posts;
+    }
+
+    private function getSecondaryCriteriedBlogPosts(Builder|BlogPost|MorphToMany|array $posts): BlogPost
+    {
+        if ($this->parentState->typeFilter === 'user') {
+            $posts = $posts->whereRelation('author', 'is_consultant', false);
+        }
+
+        if ($this->parentState->typeFilter === 'consultant') {
+            $posts = $posts->whereRelation('author', 'is_consultant', true);
+        }
+
+        return $posts;
+    }
+
+    private function getAuthorBlogPosts(): array
+    {
+        $author = $this->parentState->author;
+        $user = User::find($author);
+
+        return $user ? $user->author_of_blog_post()->distinct() : [];
+    }
+
+    private function getTagBlogPosts(): MorphToMany
+    {
+        $tagId = Str::of($this->parentState->tag)->split('/-/')->first();
+        return Tag::find($tagId)->blogPosts();
+    }
+
+    private function getSearchBlogPosts(): Builder
+    {
+        return BlogPost::where('title', 'rlike', $this->parentState->search);
+    }
+
+    // private function getTagsCollection(): array
+    // {
+    //     return Recipe::all()->map(
+    //         fn($r) => [
+    //             $r->type,
+    //             $r->tags->map(fn($t) => $t->id . '-' . $t->name)->all(),
+    //         ]
+    //     )->reduce(function ($acc, $item) {
+    //         [$type, $tagNames] = $item;
+    //
+    //         foreach ($tagNames as $name) {
+    //             if (isset($acc[$type][$name])) {
+    //                 $acc[$type][$name] += 1;
+    //             } else {
+    //                 $acc[$type][$name] = 1;
+    //             }
+    //         }
+    //
+    //         return $acc;
+    //     });
+    // }
+}