Extend conditional exception

Author: wol-soft

src/Exception/ComposedValue/ConditionalException.php

@@ -4,6 +4,8 @@
 
 namespace PHPModelGenerator\Exception\ComposedValue;
 
+use Exception;
+use PHPModelGenerator\Exception\ErrorRegistryExceptionInterface;
 use PHPModelGenerator\Exception\ValidationException;
 
 /**
@@ -13,17 +15,83 @@
  */
 class ConditionalException extends ValidationException
 {
+    /** @var Exception|null */
+    private $ifException;
+    /** @var Exception|null */
+    private $thenException;
+    /** @var Exception|null */
+    private $elseException;
+
     /**
      * ConditionalException constructor.
      *
      * @param $providedValue
      * @param string $propertyName
+     * @param Exception|null $ifException
+     * @param Exception|null $thenException
+     * @param Exception|null $elseException
+     */
+    public function __construct(
+        $providedValue,
+        string $propertyName,
+        ?Exception $ifException,
+        ?Exception $thenException,
+        ?Exception $elseException
+    ) {
+
+        // ,
+        $this->ifException = $ifException;
+        $this->thenException = $thenException;
+        $this->elseException = $elseException;
+
+        parent::__construct($this->getErrorMessage($propertyName), $propertyName, $providedValue);
+    }
+
+    /**
+     * @return Exception|null
+     */
+    public function getIfException(): ?Exception
+    {
+        return $this->ifException;
+    }
+
+    /**
+     * @return Exception|null
      */
-    public function __construct($providedValue, string $propertyName) {
-        parent::__construct(
-            "Invalid value for $propertyName declined by conditional composition constraint",
-            $propertyName,
-            $providedValue
-        );
+    public function getThenException(): ?Exception
+    {
+        return $this->thenException;
+    }
+
+    /**
+     * @return Exception|null
+     */
+    public function getElseException(): ?Exception
+    {
+        return $this->elseException;
+    }
+
+    private function getErrorMessage(string $propertyName): string
+    {
+        $message = "Invalid value for $propertyName declined by conditional composition constraint\n";
+
+        $message .= $this->ifException
+            ? "  - Condition: Failed" . $this->getExceptionMessage($this->ifException)
+            :'  - Condition: Valid';
+
+        return $message . "\n  - Conditional branch failed:" .
+            $this->getExceptionMessage($this->thenException ?: $this->elseException);
+    }
+
+    private function getExceptionMessage(Exception $exception): string
+    {
+        return $exception instanceof ErrorRegistryExceptionInterface
+            ? implode(
+                    "\n    * ",
+                    array_map(function (ValidationException $exception): string {
+                        return $exception->getMessage();
+                    }, $exception->getErrors())
+                )
+            : "\n    * " . $exception->getMessage();
     }
 }