coba

app/Models/Category.php

@@ -10,4 +10,9 @@ class Category extends Model
     use HasFactory;
 
     protected $guarded = ['id'];
+
+    public function post()
+    {
+        return $this->hasMany(Post::class);
+    }
 }

resources/views/categories.blade.php

+@extends('layouts/main')
+
+@section('container')
+<h1 class="mb-5">Post Categories : {{ $category}}</h1>
+
+    @foreach ($categories as $categories)
+    ,ul>
+        <li>
+        <h2><a href="/categories/{{ $category->slug }}">{{ $category->name}}</a></h2>
+        </li>
+    </ul>
+        
+
+    @endforeach
+
+@endsection
+

resources/views/category.blade.php

+@extends('layouts/main')
+
+@section('container')
+<h1 class="mb-5">Post Category : {{ $category}}</h1>
+
+    @foreach ($category as $category)
+    <article>
+        <h2><a href="/posts/{{ $post->slug }}">{{ $post->title}}</a></h2>
+        <p>{{ $post->excerpt}}</p>
+    </article>
+
+    @endforeach
+
+@endsection
+

resources/views/post.blade.php

 @extends('layouts.main')
 
 @section('container')
-    <article>
-        <h2>{{ $post->title }}</h2>
-        <h5>{{ $post->author }}</h5>
-        {!! $post->body !!}
-    </article>
+    <h1 class="mb-5"{{ $post->title }}</h1>
+
+    <p>By. Amelia Priti Usparida in <a href="/categories/(($post->category->slug}}">{{ $post->category->name}}</a></p>
+
+    {!! $post->body !!}
+
+    <a href="/posts">Back to Posts</a>
 
-    <a href="/blog">Back to Posts</a>
 @endsection
\ No newline at end of file

routes/web.php

@@ -3,7 +3,7 @@
 use App\Models\Post;
 use Illuminate\Support\Facades\Route;
 use App\Http\Controllers\PostController;
-
+use App\Models\Category;
 
 /*
 |--------------------------------------------------------------------------
@@ -37,3 +37,17 @@
 //halaman single post
 Route::get('posts/{post:slug}', [PostController::class,'show']);
 
+Route::get('/categories', function(){
+    return view('category', [
+        'title' => 'Post Categories',
+        'categories' => Category::all()
+    ]);
+})
+
+Route::get('/categories/{category:slug}', function(Category $category){
+    return view('category', [
+        'title' => $category->name,
+        'posts' => $category->posts,
+        'category' => $category->name,
+    ]);
+});
\ No newline at end of file