Improve caching, performance and add dry-run

app/Bunny/Filesystem/LocalFile.php

@@ -4,15 +4,17 @@ namespace App\Bunny\Filesystem;
 
 use Illuminate\Support\Str;
 
-class LocalFile implements File
+class LocalFile implements File, FileStreamable, FileSerialized
 {
     private string $filename;
     private ?string $checksum;
+    private ?string $contents;
 
-    public function __construct(string $filename, ?string $checksum)
+    public function __construct(string $filename, ?string $checksum, string $contents = null)
     {
         $this->filename = $filename;
         $this->checksum = $checksum;
+        $this->contents = $contents;
     }
 
     public function getFilename($search = '', $replace = ''): string
@@ -20,13 +22,35 @@ class LocalFile implements File
         return Str::replaceFirst($search, $replace, $this->filename);
     }
 
-    public function getChecksum(): string
+    public function getChecksum(): ?string
     {
         return $this->checksum;
     }
 
     public function isDirectory(): bool
     {
-        return $this->checksum == null;
+        return $this->getChecksum() === null;
+    }
+
+    public function getResource()
+    {
+        if ($this->contents) {
+            return $this->contents;
+        }
+
+        return fopen($this->getFilename(), 'r');
+    }
+
+    public function toArray(string $search = '', string $replace = ''): array
+    {
+        return [
+            'sha256' => $this->getChecksum(),
+            'filename' => $this->getFilename($search, $replace),
+        ];
+    }
+
+    public static function fromArray(array $array): self
+    {
+        return new self($array['filename'], $array['sha256']);
     }
 }