fix empty string.

src/models/menu_tree.rs

@@ -126,9 +126,11 @@ pub async fn menu_tree_from_id(_id: Option<String>, _dictionary_code: Option<&St
     let mut _document = MenuTree::from_id(_id);
 
 	let mut _index_name = "menu_tree".to_string();
-    if _dictionary_code.is_some() {
-		_index_name.push_str("_");
-		_index_name.push_str(_dictionary_code.unwrap());
+	if let Some(code) = _dictionary_code {
+		if !code.trim().is_empty() {
+			_index_name.push_str("_");
+			_index_name.push_str(code);
+		}
 	}
 	log::info!("Index to search {:}", _index_name);
 

src/models/role.rs

@@ -168,8 +168,10 @@ pub async fn role_from_id(_id: Option<&String>, _client_id: Option<&String>, _di
 }
 
 async fn get_index_name(_client_id: Option<&String>) -> Result<String, std::io::Error> {
-	if _client_id.is_none() {
-		return Err(Error::new(ErrorKind::InvalidData.into(), "Client is Mandatory"));
+	if _client_id.is_none() || _client_id.as_deref().map_or(false, |s| s.trim().is_empty()) {
+		return Err(
+			Error::new(ErrorKind::InvalidData.into(), "Client is Mandatory")
+		);
 	}
 
     let _base_index: String = "role".to_string();