pixelfed/app/Http/Controllers/SearchController.php

<?php

namespace App\Http\Controllers;

use App\Hashtag;
use App\Profile;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Cache;

class SearchController extends Controller
{
    public function searchAPI(Request $request, $tag)
    {
        $res = Cache::remember('api:search:tag:'.$tag, 1440, function () use ($tag) {
            $res = Hashtag::where('slug', 'like', '%'.$tag.'%')->get();
            $tags = $res->map(function ($item, $key) {
                return [
            'count'  => $item->posts()->count(),
            'url'    => $item->url(),
            'type'   => 'hashtag',
            'value'  => $item->name,
            'tokens' => explode('-', $item->name),
            'name'   => null,
          ];
            });
            $res = Profile::where('username', 'like', '%'.$tag.'%')->get();
            $profiles = $res->map(function ($item, $key) {
                return [
            'count'  => 0,
            'url'    => $item->url(),
            'type'   => 'profile',
            'value'  => $item->username,
            'tokens' => [$item->username],
            'name'   => $item->name,
          ];
            });
            $tags = $tags->push($profiles[0]);

            return $tags;
        });

        return response()->json($res);
    }
}