first version

kirby/src/Cms/FileVersion.php

@@ -0,0 +1,81 @@
+<?php
+
+namespace Kirby\Cms;
+
+class FileVersion extends Asset
+{
+    protected $modifications;
+    protected $original;
+
+    public function __call(string $method, array $arguments = [])
+    {
+        // public property access
+        if (isset($this->$method) === true) {
+            return $this->$method;
+        }
+
+        // asset method proxy
+        if (method_exists($this->asset(), $method)) {
+            if ($this->exists() === false) {
+                $this->save();
+            }
+
+            return $this->asset()->$method(...$arguments);
+        }
+
+        // content fields
+        return $this->original()->content()->get($method, $arguments);
+    }
+
+    public function id(): string
+    {
+        return dirname($this->original()->id()) . '/' . $this->filename();
+    }
+
+    public function kirby(): App
+    {
+        return $this->original()->kirby();
+    }
+
+    public function modifications(): array
+    {
+        return $this->modifications ?? [];
+    }
+
+    public function original(): File
+    {
+        return $this->original;
+    }
+
+    public function save()
+    {
+        $this->kirby()->thumb($this->original()->root(), $this->root(), $this->modifications());
+        return $this;
+    }
+
+    protected function setModifications(array $modifications = null)
+    {
+        $this->modifications = $modifications;
+    }
+
+    protected function setOriginal(File $original)
+    {
+        $this->original = $original;
+    }
+
+    /**
+     * Convert the object to an array
+     *
+     * @return array
+     */
+    public function toArray(): array
+    {
+        $array = array_merge(parent::toArray(), [
+            'modifications' => $this->modifications(),
+        ]);
+
+        ksort($array);
+
+        return $array;
+    }
+}