added setOriginalValue and getOriginalValue

Author: František Mazura

README.md

@@ -20,10 +20,13 @@ PHP Value object for storing valid data.
 # Changelog
 
 - 2021-02-26
-  - ignored attributes
-  - touch (`setTouched`, `isTouched`, `getTouchedAll`)
-  - add interface `ValueObjectInterface`
-  - remove trait
-  - min request PHP 7.4
-  - check null
-  - root element
+    - ignored attributes
+    - touch (`setTouched`, `isTouched`, `getTouchedAll`)
+    - add interface `ValueObjectInterface`
+    - remove trait
+    - min request PHP 7.4
+    - check null
+    - root element
+
+- 2021-03-17
+    - added `setOriginalValue` and `getOriginalValue` methods for get original value from init

src/AbstractValueObject.php

@@ -23,6 +23,7 @@ abstract class AbstractValueObject implements ValueObjectInterface
 
 	private array $touched = [];
 	private array $ignoredAttrs = ["ignoredAttrs", "touched"];
+	private array $originalValues = [];
 
 	public function isIgnoredAttr(string $attrName): bool
 	{
@@ -73,6 +74,7 @@ public function init($data): self
 			$setter = "set" . ucfirst($name);
 			$value = $data[$name] ?? null;
 			$this->setTouched($name);
+			$this->setOriginalValue($name, $value);
 			try {
 				if (method_exists($this, $setter)) {
 					$this->setValue($name, $setter, $value, $this);
@@ -300,4 +302,14 @@ private static function createValueObject($className, $data)
 		}
 		return false;
 	}
+
+	public function setOriginalValue(string $attrName, $value)
+	{
+		$this->originalValues[$attrName] = $value;
+	}
+
+	public function getOriginalValue(string $attrName)
+	{
+		$this->originalValues[$attrName];
+	}
 }

src/Interfaces/ValueObjectInterface.php

@@ -100,4 +100,21 @@ public function getTouchedAll(): array;
 	 * @return bool
 	 */
 	public function isIgnoredAttr(string $attrName): bool;
+
+	/**
+	 * set original init value passed into setter before transformation
+	 *
+	 * @param string $attrName
+	 * @param $value
+	 * @return mixed
+	 */
+	public function setOriginalValue(string $attrName, $value);
+
+	/**
+	 * get original init value passed into setter before transformation
+	 *
+	 * @param string $attrName
+	 * @return mixed
+	 */
+	public function getOriginalValue(string $attrName);
 }