diff --git a/project/src/model/gateways/InviteGateway.php b/project/src/model/gateways/InviteGateway.php
new file mode 100644
index 0000000..6d0a823
--- /dev/null
+++ b/project/src/model/gateways/InviteGateway.php
@@ -0,0 +1,31 @@
+<?php
+
+namespace model;
+
+class InviteGateway extends JoueurGateway
+{
+    private $con;
+
+    function __construct(Connection $con) {
+        $this->con = $con;
+    }
+
+    public function getFromIdSession($idSession): array|bool
+    {
+        $this->con->executeQuery("SELECT id, pseudo, idSession FROM Invite JOIN Joueur ON id=idJoueur WHERE idSession = :idSession;",
+        [":idSession" => [$idSession, $this->con::PARAM_STR]]);
+        return $this->con->getOneResult();
+    }
+
+    public function insertInvite(string $pseudo, string $idSession): int{
+        if($this->getFromIdSession($idSession) != false){
+            throw new IdSessionDoubleException();
+        }else{
+            $id = $this->insertJoueur($pseudo);
+            $this->con->executeQuery("INSERT INTO Invite(id, idSession) VALUES(:id, :idSession);",
+            [":id" => [$id, $this->con::PARAM_INT],
+             ":idSession" => [$idSession, $this->con::PARAM_STR]]);
+            return $id;
+        }
+    }
+}
\ No newline at end of file