From a0bc48cf47a20a6c15159769cbdc217cf08fcc5a Mon Sep 17 00:00:00 2001
From: HorstOeko <horstoeko@erling.com.de>
Date: Mon, 16 Dec 2024 06:04:39 +0100
Subject: [PATCH] [ENH] ZugferdKositValidator can now also accept a string
 (containing the XML to be validated) instead of an instance of
 ZugferdDocument

---
 examples/KositValidator.php   |  9 +++++-
 src/ZugferdKositValidator.php | 56 ++++++++++++++++++++++++++++++-----
 2 files changed, 56 insertions(+), 9 deletions(-)

diff --git a/examples/KositValidator.php b/examples/KositValidator.php
index db520fb..27ee102 100644
--- a/examples/KositValidator.php
+++ b/examples/KositValidator.php
@@ -74,7 +74,14 @@ function showValidationResult(ZugferdKositValidator $kositValidator)
 
 $document = ZugferdDocumentReader::readAndGuessFromFile(dirname(__FILE__) . "/../tests/assets/xml_en16931_5.xml");
 
-$kositValidator = new ZugferdKositValidator($document);
 $kositValidator->setDocument($document)->enableRemoteMode()->setRemoteModeHost("127.0.0.1")->setRemoteModePort(8081)->validate();
 
 showValidationResult($kositValidator);
+
+/* ----------------------------------------------------------------------------------
+   - Validation of a document read by content string (Remote, using running daemon)
+   ---------------------------------------------------------------------------------- */
+
+$kositValidator->setDocument(file_get_contents(dirname(__FILE__) . "/../tests/assets/xml_en16931_5.xml"))->enableRemoteMode()->setRemoteModeHost("127.0.0.1")->setRemoteModePort(8081)->validate();
+
+showValidationResult($kositValidator);
diff --git a/src/ZugferdKositValidator.php b/src/ZugferdKositValidator.php
index 5888873..d357b63 100644
--- a/src/ZugferdKositValidator.php
+++ b/src/ZugferdKositValidator.php
@@ -33,7 +33,7 @@ class ZugferdKositValidator
     /**
      * The invoice document reference
      *
-     * @var ZugferdDocument
+     * @var ZugferdDocument|string|null
      */
     private $document = null;
 
@@ -153,25 +153,51 @@ class ZugferdKositValidator
      */
     protected const MSG_TYPE_PROCESSOUTPUT = 'processoutput';
 
+    /**
+     * Create a KositValidator-Instance by a given content string
+     *
+     * @param  string $document
+     * @return ZugferdKositValidator
+     */
+    public static function fromString(string $document): ZugferdKositValidator
+    {
+        return new ZugferdKositValidator($document);
+    }
+
+    /**
+     * Create a KositValidator-Instance by a given ZugferdDocument (ZugferdDocumentReader, ZugferdDocumentBuilder)
+     *
+     * @param  ZugferdDocument $document
+     * @return ZugferdKositValidator
+     */
+    public static function fromZugferdDocument(ZugferdDocument $document): ZugferdKositValidator
+    {
+        return new ZugferdKositValidator($document);
+    }
+
     /**
      * Constructor
      *
-     * @param ZugferdDocument|null $document
+     * @param ZugferdDocument|string|null $document
      */
-    public function __construct(?ZugferdDocument $document = null)
+    public function __construct($document = null)
     {
-        $this->document = $document;
         $this->baseDirectory = sys_get_temp_dir();
+        $this->setDocument($document);
     }
 
     /**
      * Set the ZugferdDocument instance to validate
      *
-     * @param  ZugferdDocument $document
+     * @param  ZugferdDocument|string $document
      * @return ZugferdKositValidator
      */
-    public function setDocument(ZugferdDocument $document): ZugferdKositValidator
+    public function setDocument($document): ZugferdKositValidator
     {
+        if (!is_string($document) && !($document instanceof ZugferdDocument)) {
+            return $this;
+        }
+
         $this->document = $document;
 
         return $this;
@@ -412,6 +438,20 @@ public function validate(): ZugferdKositValidator
         return $this;
     }
 
+    /**
+     * Internal get the content of the document
+     *
+     * @return string
+     */
+    private function getDocumentContent(): string
+    {
+        if (is_string($this->document)) {
+            return $this->document;
+        }
+
+        return $this->document->serializeAsXml();
+    }
+
     /**
      * Internal get (and create) the directory for downloads and file creation
      *
@@ -886,7 +926,7 @@ private function performValidationLocal(): bool
             return true;
         }
 
-        if (file_put_contents($this->resolveFileToValidateFilename(), $this->document->serializeAsXml()) === false) {
+        if (file_put_contents($this->resolveFileToValidateFilename(), $this->getDocumentContent()) === false) {
             $this->addToMessageBag("Cannot create temporary file which contains the XML to validate");
             return false;
         }
@@ -932,7 +972,7 @@ private function performValidationRemote(): bool
             curl_setopt($httpConnection, CURLOPT_CONNECTTIMEOUT, 10);
             curl_setopt($httpConnection, CURLOPT_TIMEOUT, 120);
             curl_setopt($httpConnection, CURLOPT_POST, true);
-            curl_setopt($httpConnection, CURLOPT_POSTFIELDS, $this->document->serializeAsXml());
+            curl_setopt($httpConnection, CURLOPT_POSTFIELDS, $this->getDocumentContent());
             curl_setopt($httpConnection, CURLOPT_HTTPHEADER, ["Content-Type: application/xml"]);
 
             $response = curl_exec($httpConnection);