feat: shows existing files for already downloaded media

src/Monitor/Service/MediaFiles.php

@@ -158,4 +158,29 @@ class MediaFiles
 
         return false;
     }
+
+    public function movieExists(string $title)
+    {
+        $filepath = $this->moviesPath . DIRECTORY_SEPARATOR . $title;
+        $directoryExists = $this->filesystem->exists($filepath);
+
+        if (false === $directoryExists) {
+            return false;
+        }
+
+        if (false === $this->finder->in($filepath)->files()->hasResults()) {
+            return false;
+        }
+
+        $files = Map::from($this->finder->in($filepath)->files())->filter(function (SplFileInfo $file) {
+            $validExtensions = ['mkv', 'mp4', 'mpeg'];
+            return in_array($file->getExtension(), $validExtensions);
+        })->values();
+
+        if (false === $files->isEmpty()) {
+            return $files[0];
+        }
+
+        return false;
+    }
 }