Added the optional file ID parameter.

Author: Mistralys

src/DocFile.php

@@ -12,16 +12,19 @@ class DocFile
 {
     private string $title;
     private string $path;
+    private string $id;
 
     /**
      * @param string $title
      * @param string $path
+     * @param string $id
      * @throws FileHelper_Exception
      */
-    public function __construct(string $title, string $path)    
+    public function __construct(string $title, string $path, string $id='')
     {
         $this->title = $title;
         $this->path = FileHelper::requireFileExists($path);
+        $this->id = $id;
     }
 
     /**
@@ -34,7 +37,11 @@ public function getPath(): string
 
     public function getID() : string
     {
-        return ConvertHelper::string2shortHash($this->path);
+        if(empty($this->id)) {
+            $this->id = ConvertHelper::string2shortHash($this->path);
+        }
+
+        return $this->id;
     }
 
     /**