Added three sizes of book cover small medium and large to be returned as cover_url.

src/Api/AbstractBookInfo.php

@@ -10,7 +10,7 @@ abstract class AbstractBookInfo
     public string $description;
     public string $title;
     public string $category;
-    public string $cover_url;
+    public array $cover_url;
     public int $pages;
     public string $cycle;
     public int $volume;

src/DataParser.php

@@ -4,6 +4,7 @@ namespace Techtube\Bookinfo;
 
 use DiDom\Document;
 use DiDom\Exceptions\InvalidSelectorException;
+use JetBrains\PhpStorm\ArrayShape;
 use Techtube\Bookinfo\Api\AbstractBookInfo;
 
 class DataParser
@@ -22,7 +23,9 @@ class DataParser
         $info->description = $document->first('meta[property="og:description"]')->getAttribute('content');
         $info->title = trim($document->first('h1.book__title')->text());
         $info->category = trim($document->first('.book__category')->text());
-        $info->cover_url = $document->first('meta[property="og:image"]')->getAttribute('content');
+        $info->cover_url = $this->generateCoverUrls(
+            $document->first('meta[property="og:image"]')->getAttribute('content')
+        );
         $info->pages = (int)$document->first('span.book__pages')?->text();
         if (preg_match('#(.*) \(tom (\d*)\)#ism', trim($document->first('a[href*="/cykl/"]')?->text()), $series)) {
             $info->cycle = $series[1];
@@ -49,9 +52,24 @@ class DataParser
             $bookInfo->title = trim($book->first('.authorAllBooks__singleTextTitle')->text());
             $bookInfo->author = trim($book->first('.authorAllBooks__singleTextAuthor')->text());
             $bookInfo->url = $book->first('button[data-book-url]')->getAttribute('data-book-url');
-            $bookInfo->cover_url = $book->first('.img-fluid')->getAttribute('data-src');
+            $bookInfo->cover_url = $this->generateCoverUrls($book->first('.img-fluid')->getAttribute('data-src'));
             $booksInfo[] = $bookInfo;
         }
         return $booksInfo;
     }
+
+    /**
+     * @param string $coverUrl
+     * @return array
+     */
+    #[ArrayShape(['small' => "string", 'medium' => "string", 'large' => "string"])]
+    private function generateCoverUrls(string $coverUrl): array
+    {
+        $coverUrlBase = preg_replace('(\d*?x\d*?\.jpg)', '', $coverUrl);
+        return [
+            'small' => $coverUrlBase . '70x100.jpg',
+            'medium' => $coverUrlBase . '170x243.jpg',
+            'large' => $coverUrlBase . '352x500.jpg'
+        ];
+    }
 }