From 75f3e8ab4b3d65d6eba16575ca0a4a669b7e27ac Mon Sep 17 00:00:00 2001
From: Daniel Weipert <code@drogueronin.de>
Date: Thu, 6 Jan 2022 01:36:07 +0100
Subject: Validate fields with custom function

---
 src/App.php | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

(limited to 'src')

diff --git a/src/App.php b/src/App.php
index 1a12f6a..0c0773b 100644
--- a/src/App.php
+++ b/src/App.php
@@ -9,6 +9,8 @@ use Yosymfony\Toml\TomlBuilder;
 
 class App
 {
+  public string $formPath;
+
   /**
    * App constructor.
    */
@@ -42,7 +44,7 @@ class App
       // GET
       if ($method == 'GET')  {
 	if (str_ends_with($path, '/fields')) {
-	  $formPath = $contentRoot . str_replace('/fields', '', $path);
+	  $this->formPath = $formPath = $contentRoot . str_replace('/fields', '', $path);
 
 	  $fields = $this->buildFields($formPath, $_GET['page'] ?? null);
 
@@ -62,7 +64,7 @@ class App
       // POST
       else if ($method == 'POST') {
 	if (str_ends_with($path, '/validate')) {
-	  $formPath = $contentRoot . str_replace('/validate', '', $path);
+	  $this->formPath = $formPath = $contentRoot . str_replace('/validate', '', $path);
 
 	  $fields = $this->buildFields($formPath, $_GET['page'] ?? null);
 
@@ -70,7 +72,7 @@ class App
 	}
 
 	else if (str_ends_with($path, '/submit')) {
-	  $formPath = $contentRoot . str_replace('/submit', '', $path);
+	  $this->formPath = $formPath = $contentRoot . str_replace('/submit', '', $path);
 
 	  $fields = $this->buildFields($formPath);
 
@@ -268,6 +270,11 @@ class App
       $field['is_valid'] = false;
     }
 
+    $validationFunctionName = 'validate_' . basename($this->formPath) . '_' . $field['name'];
+    if (function_exists($validationFunctionName)) {
+      $field = call_user_func($validationFunctionName, $field, $value);
+    }
+
     return $field;
   }
 
@@ -288,6 +295,12 @@ class App
 	$config['api']['keys'] = $apiKeys;
       }
 
+      // include custom functions
+      $functionsFile = $currentDirectory . '/config/functions.php';
+      if (file_exists($functionsFile)) {
+	include_once $functionsFile;
+      }
+
       if (str_ends_with($currentDirectory, '/' . basename($_ENV['app']['contentFolderPath'])) || $currentDirectory == '/') {
 	break;
       }
-- 
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