Make display_name, first&last name optional

model/src/lib.rs

@@ -26,9 +26,9 @@ pub struct ListUsersRequest {
 pub struct User {
     pub user_id: String,
     pub email: String,
-    pub display_name: String,
-    pub first_name: String,
-    pub last_name: String,
+    pub display_name: Option<String>,
+    pub first_name: Option<String>,
+    pub last_name: Option<String>,
     // pub avatar: ?,
     pub creation_date: chrono::NaiveDateTime,
 }
@@ -38,9 +38,9 @@ impl Default for User {
         User {
             user_id: String::new(),
             email: String::new(),
-            display_name: String::new(),
-            first_name: String::new(),
-            last_name: String::new(),
+            display_name: None,
+            first_name: None,
+            last_name: None,
             creation_date: chrono::NaiveDateTime::from_timestamp(0, 0),
         }
     }