Can count the number of unread notifications

src/controllers/notifications_controller.rs

@@ -0,0 +1,14 @@
+//! # Notifications controller
+//!
+//! @author Pierre Hubert
+
+use crate::api_data::res_number_unread_notifications::ResNumberUnreadNotifications;
+use crate::controllers::routes::RequestResult;
+use crate::data::http_request_handler::HttpRequestHandler;
+use crate::helpers::notifications_helper;
+
+/// Count the number of unread notifications
+pub fn count_unread(r: &mut HttpRequestHandler) -> RequestResult {
+    let number = notifications_helper::count_unread(r.user_id_ref()?)?;
+    r.set_response(ResNumberUnreadNotifications::new(number))
+}