<?php

namespace App\Classes;

class BookFetcher extends PageFetcher
{
  public function fetch(string $url): ?array
  {
    $cacheKey = "book_" . md5($url);
    $cached = $this->cacheGet($cacheKey);
    if ($cached) return $cached;

    $book = $this->fetchSingleFromApi("optimized_books", $url);
    if (!$book) return null;

    $this->cacheSet($cacheKey, $book);
    return $book;
  }
}