Add 'hasFiles()' method for Gazelle upload check

src/BencodeTorrent.php

@@ -449,6 +449,10 @@ class BencodeTorrent {
         return $files;
     }
 
+    public function hasFiles(): bool {
+        return isset($this->data['info']['files']);
+    }
+
     /**
      * Returns an array of strings formatted to be inserted into a Gazelle database into the table
      * torrents.FileList which is then used for displaying the table of files to the user when

tests/BencodeTorrentTest.php

@@ -310,6 +310,7 @@ class BencodeTorrentTest extends TestCase {
             ['.mp3 s1234s 01 Test??.mp3 ÷', '.mp3 s2345s 03 Test.mp3 ÷'],
             $bencode->getGazelleFileList()
         );
+        $this->assertTrue($bencode->hasFiles());
     }
 
     public function testGetUtf8Name() {
@@ -340,6 +341,7 @@ class BencodeTorrentTest extends TestCase {
         $bencode = new BencodeTorrent();
         $bencode->setData($data);
         $this->assertEquals(['.,!?)óÉ s1234s (test.,!?)óÉ ÷'], $bencode->getGazelleFileList());
+        $this->assertFalse($bencode->hasFiles());
     }
 
     /**