"Strict" Services: Interfaces, Injection, Strategy Pattern

use App\Models\Post;
use App\Services\TwitterService;
 
class PublishPostController
{
    public function __invoke(Post $post, TwitterService $twitter)
    {
        // ... all other operations with `$post`
 
        $tweetResponse = $twitter->tweet($tweetText); 
 
        if (! isset($tweetResponse['data']->id)) {
            return;
        }
 
        $tweetUrl = "https://twitter.com/freekmurze/status/{$tweetResponse['data']->id}";
 
        $post->onAfterTweet($tweetUrl);
 
        $post->update(['tweet_sent' => true]);
    }
}

namespace App\Services;
 
use Abraham\TwitterOAuth\TwitterOAuth;
 
class TwitterService
{
    public function tweet(string $text): ?array
    {
        if (! app()->environment('production')) {
            return null;
        }
 
        $twitter = new TwitterOAuth(
            config('services.twitter.consumer_key'),
            config('services.twitter.consumer_secret'),
            config('services.twitter.access_token'),
            config('services.twitter.access_token_secret')
        );
 
        return (array) $twitter->post('tweets', compact('text'));
    }
}