Can search for user with a given virtual directory

src/api_data/mod.rs

@@ -11,4 +11,5 @@ pub mod http_error;
 pub mod login_success;
 pub mod current_user_id;
 pub mod user_info;
-pub mod custom_emoji;
+pub mod custom_emoji;
+pub mod res_find_user_by_virtual_directory;

src/api_data/res_find_user_by_virtual_directory.rs

@@ -0,0 +1,22 @@
+//! API output of finding user by virtual directory
+//!
+//! @author Pierre Hubert
+
+use crate::data::user::UserID;
+use serde::Serialize;
+
+
+#[derive(Serialize)]
+#[allow(non_snake_case)]
+pub struct FindUserByVirtualDirectoryAPIResult {
+    userID: u64
+}
+
+impl FindUserByVirtualDirectoryAPIResult {
+    /// Construct a new `FindUserByVirtualDirectoryAPIResult` instance
+    pub fn new(user_id: UserID) -> FindUserByVirtualDirectoryAPIResult {
+        FindUserByVirtualDirectoryAPIResult {
+            userID: user_id as u64
+        }
+    }
+}