From 53b1238d553e8534d3d82bffa68f1559ed9f1b69 Mon Sep 17 00:00:00 2001
From: Giuseppe Criscione <18699708+giuscris@users.noreply.github.com>
Date: Thu, 24 Oct 2024 22:07:50 +0200
Subject: [PATCH] Avoid entire file hashing and add separate
 `File::contentHash()`

---
 formwork/src/Files/File.php | 20 +++++++++++++++++---
 1 file changed, 17 insertions(+), 3 deletions(-)

diff --git a/formwork/src/Files/File.php b/formwork/src/Files/File.php
index 7e80ac31..db639577 100644
--- a/formwork/src/Files/File.php
+++ b/formwork/src/Files/File.php
@@ -62,6 +62,12 @@ class File extends Model implements Arrayable, Stringable
     #[ReadonlyModelProperty]
     protected string $hash;
 
+    /**
+     * File content hash
+     */
+    #[ReadonlyModelProperty]
+    protected string $contentHash;
+
     protected FileUriGenerator $uriGenerator;
 
     /**
@@ -172,11 +178,19 @@ class File extends Model implements Arrayable, Stringable
      */
     public function hash(): string
     {
-        if (isset($this->hash)) {
-            return $this->hash;
+        return $this->hash ??= hash('sha256', $this->path . ':' . $this->lastModifiedTime());
+    }
+
+    /**
+     * Get file content hash
+     */
+    public function contentHash(): string
+    {
+        if (isset($this->contentHash)) {
+            return $this->contentHash;
         }
         if ($hash = hash_file('sha256', $this->path)) {
-            return $this->hash = $hash;
+            return $this->contentHash = $hash;
         }
         throw new RuntimeException('Cannot calculate file hash');
     }