From 8bd5e00354abc33ce4a1f0c2a3a1919b56d47fe8 Mon Sep 17 00:00:00 2001
From: Abdelrahman Saeed Elhassan Yousif <abdosaeedelhassan@gmail.com>
Date: Mon, 23 Sep 2024 09:29:52 +0200
Subject: [PATCH] Allow template attribute to beused inside email tempaltes

---
 src/DefaultTokenHelper.php | 52 +++++++++++++++++++++++++-------------
 1 file changed, 34 insertions(+), 18 deletions(-)

diff --git a/src/DefaultTokenHelper.php b/src/DefaultTokenHelper.php
index 4bbe8e9..809223d 100644
--- a/src/DefaultTokenHelper.php
+++ b/src/DefaultTokenHelper.php
@@ -5,16 +5,16 @@
 
 use Illuminate\Support\Facades\View;
 use Visualbuilder\EmailTemplates\Contracts\TokenReplacementInterface;
-use Visualbuilder\EmailTemplates\Models\EmailTemplate;
 
 
 class DefaultTokenHelper implements TokenReplacementInterface
 {
+
     /**
      * Replace tokens in the content with actual values from the models.
      *
-     * @param  string  $content  The content with tokens to be replaced
-     * @param  array  $models  The models containing the values for the tokens
+     * @param string $content The content with tokens to be replaced
+     * @param array $models The models containing the values for the tokens
      *
      * @return string The content with replaced tokens
      */
@@ -25,26 +25,25 @@ public function replaceTokens(string $content, $models): string
          * Replace singular tokens for password reset and validations
          * Add custom tokens in the config
          */
-        foreach (config('filament-email-templates.known_tokens') as $key){
+        foreach (config('filament-email-templates.known_tokens') as $key) {
             if (isset($models->{$key})) {
                 $content = str_replace("##$key##", $models->{$key}, $content);
             }
         }
 
         /**
-         * Replace model-attribute tokens.
-         * Will look for pattern ##model.attribute## and replace the value if found.
+         * Replace model-attribute and template attribute tokens.
+         * Will look for pattern ##model.attribute## or ##attribute## and replace the value if found.
          * Eg ##user.name## or create your own accessors in a model
          */
-        preg_match_all('/##(.*?)\.(.*?)##/', $content, $matches);
+        preg_match_all('/##(.*?)##/', $content, $matches);
 
-        if (count($matches) > 0 && count($matches[0]) > 0) {
-            for ($i = 0; $i < count($matches[0]); $i++) {
-                $modelKey = $matches[1][$i];
-                $attributeKey = $matches[2][$i];
-                $replacement = (isset($models->$modelKey) && isset($models->$modelKey->$attributeKey))?$models->$modelKey->$attributeKey:"";
-                $content = str_replace($matches[0][$i], $replacement, $content);
+        if (count($matches) > 0 && count($matches[1]) > 0) {
 
+            for ($i = 0; $i < count($matches[1]); $i++) {
+                $attributes = explode('.', $matches[1][$i]);
+                $replacement = $this->getObjectAttribute($models, $attributes);
+                $content = str_replace($matches[0][$i], $replacement, $content);
             }
         }
 
@@ -68,7 +67,7 @@ public function replaceTokens(string $content, $models): string
         }
 
 
-        if(isset($models->emailTemplate)){
+        if (isset($models->emailTemplate)) {
             $button = $this->buildEmailButton($content, $models->emailTemplate);
             $content = self::replaceButtonToken($content, $button);
         }
@@ -77,15 +76,32 @@ public function replaceTokens(string $content, $models): string
         return $content;
     }
 
+    /**
+     * @Access model attribute using attribute path
+     */
+    public function getObjectAttribute($object, $path)
+    {
+        foreach ($path as $key) {
+            if (is_object($object) && isset($object->$key)) {
+                $object = $object->$key; // Move to the next level in the object
+            } elseif (is_array($object) && isset($object[$key])) {
+                $object = $object[$key]; // Move to the next level in the array
+            } else {
+                return null; // Return null if the path is invalid
+            }
+        }
+        return $object; // Return the final value
+    }
+
     private function buildEmailButton($content, $emailTemplate)
     {
         $title = $url = '';
         if (preg_match('/(?<=##button).*?(?=#)/', $content, $matches)) {
-            if ($check1 = preg_match("/(?<=url=').*?(?='\s)/", $matches[ 0 ], $url)) {
-                $url = $url[ 0 ];
+            if ($check1 = preg_match("/(?<=url=').*?(?='\s)/", $matches[0], $url)) {
+                $url = $url[0];
             }
-            if ($check2 = preg_match("/(?<=title=').*?(?=')/", $matches[ 0 ], $title)) {
-                $title = $title[ 0 ];
+            if ($check2 = preg_match("/(?<=title=').*?(?=')/", $matches[0], $title)) {
+                $title = $title[0];
             }
             if ($check1 && $check2) {