♻️ Move validation to Input class

app/Models/Input.php

@@ -4,22 +4,52 @@ namespace App\Models;
 
 use App\Exceptions\Quit;
 
-class Input
+class Input extends Model
 {
     public ?array $files;
     public ?string $url;
+    public ?string $destination;
+    public ?string $title;
+    public bool $low;
+    public bool $sync;
 
-    public function assertValid(): void
+    public function assertValid(): self
     {
+        // @todo probably should use a validator for this
         throw_if(
             empty($this->files) && empty($this->url),
             Quit::class,
             'Must have either a valid file or URL'
         );
+
+        return $this;
     }
 
     public function hasURL(): bool
     {
         return !empty($this->url);
     }
+
+    public function setInput(?array $files): void
+    {
+        $this->setFiles($files);
+    }
+
+    public function setFiles(?array $files): void
+    {
+        $this->files = array_map(function (string $file)  {
+            if (!file_exists($file)) {
+                throw new Quit("$file is not a valid file");
+            }
+
+            return realpath($file);
+        }, $files ?? []);
+    }
+
+    public function setDestination(?string $dir): void
+    {
+        throw_if(!is_dir($dir), Quit::class, "$dir is not a valid directory");
+        $this->destination = $dir;
+        // @todo get title from .nfo file, if available
+    }
 }