post-controller-index-method.php

public function index(Request $request)
{
    $query = Post::query();

    $query->where('status', $request->input('status'));
    
    $query->whereHas('author', function ($q) use ($request) {
        $q->where('name', 'like', '%' . $request->input('author') . '%');
    });

    // Optional filters
    if ($request->filled('published_before')) {
        $query->where('published_at', '<=', $request->date('published_before'));
    }

    if ($request->filled('published_after')) {
        $query->where('published_at', '>=', $request->date('published_after'));
    }

    // Optional boolean flag
    if ($request->boolean('with_comments')) {
        $query->with('comments.author');
    }
            
    $query->orderBy('published_at', 'desc');
    
    // Complex pagination condition
    $perPage = $request->integer('per_page', 10);

    $posts = $query->paginate($perPage)->appends($request->all());

    return response()->json([
        'filters' => $request->only(['status', 'author', 'published_before', 'published_after']),
        'meta' => [
            'total' => $posts->total(),
            'per_page' => $posts->perPage(),
        ],
        'data' => $posts->items(),
    ]);
}

post-controller-store-method.php

public function store(Request $request)
{
    $data = $request->validate([
        'title' => 'required|string|max:255',
        'body' => 'required|string',
    ]);

    if (strlen($data['body']) < 50) {
        return response()->json(['error' => 'Post body must be at least 50 characters.'], 422);
    }

    $post = Post::create([
        'user_id' => auth()->id(),
        'title' => $data['title'],
        'body' => $data['body'],
        'published' => false,
    ]);

    return response()->json($post, 201);
}