2 files changed, 10 insertions, 4 deletions

diff --git a/src/model/entities/Email.php b/src/model/entities/Email.php
index c6c2a29..9d87f1f 100644
--- a/src/model/entities/Email.php
+++ b/src/model/entities/Email.php
@@ -33,8 +33,8 @@ class Email
     private ?\DateTime $date_time ; 
 
     public function __construct(string $sender, string $recipient, string $content){
-        $this->sender = $sender;
-        $this->recipient = $recipient;
+        $this->sender = strtolower($sender);
+        $this->recipient = strtolower($recipient);
         $this->content = $content;
         $this->date_time = new \DateTime();
     }
diff --git a/src/model/entities/NodeData.php b/src/model/entities/NodeData.php
index 9d23b8b..758ccb7 100644
--- a/src/model/entities/NodeData.php
+++ b/src/model/entities/NodeData.php
@@ -55,9 +55,15 @@ class NodeData
     {
         $this->data = $data;
     }*/
-    public function updateData(string $key, string $value): void
+    public function updateData(string $key, string $value = ''): void
     {
-        $this->data[$key] = $value;
+        if($value !== ''){
+            $this->data[$key] = $value;
+        }
+        // si $value est vide, supprime la clé
+        elseif(isset($this->data[$key])){
+            unset($this->data[$key]);
+        }
     }
     /*public function setNode(Node $node): void
     {