diff --git a/crates/backend/src/controller/class.rs b/crates/backend/src/controller/class.rs
index 2670d21..c113fdd 100644
--- a/crates/backend/src/controller/class.rs
+++ b/crates/backend/src/controller/class.rs
@@ -8,26 +8,31 @@ pub fn setup(cfg: &mut actix_web::web::ServiceConfig) {
         .service(delete_class);
 }
 
+// TODO
 #[get("")]
 async fn get_classes() -> impl Responder {
     ""
 }
 
+// TODO
 #[get("/{id}")]
 async fn get_class() -> impl Responder {
     ""
 }
 
+// TODO
 #[post("")]
 async fn create_class() -> impl Responder {
     ""
 }
 
+// TODO
 #[put("")]
 async fn update_class() -> impl Responder {
     ""
 }
 
+// TODO
 #[delete("/{id}")]
 async fn delete_class() -> impl Responder {
     ""
diff --git a/crates/backend/src/controller/group.rs b/crates/backend/src/controller/group.rs
index 441b60b..7939664 100644
--- a/crates/backend/src/controller/group.rs
+++ b/crates/backend/src/controller/group.rs
@@ -8,26 +8,31 @@ pub fn setup(cfg: &mut actix_web::web::ServiceConfig) {
         .service(delete_group);
 }
 
+// TODO
 #[get("")]
 async fn get_groups() -> impl Responder {
     ""
 }
 
+// TODO
 #[get("/{project}")]
 async fn get_groups_for_project() -> impl Responder {
     ""
 }
 
+// TODO
 #[post("")]
 async fn create_group() -> impl Responder {
     ""
 }
 
+// TODO
 #[put("")]
 async fn update_group() -> impl Responder {
     ""
 }
 
+// TODO
 #[delete("/{id}")]
 async fn delete_group() -> impl Responder {
     ""
diff --git a/crates/backend/src/controller/template.rs b/crates/backend/src/controller/template.rs
index dd9ccc5..7cb97b1 100644
--- a/crates/backend/src/controller/template.rs
+++ b/crates/backend/src/controller/template.rs
@@ -8,26 +8,31 @@ pub fn setup(cfg: &mut actix_web::web::ServiceConfig) {
         .service(delete_template);
 }
 
+// TODO
 #[get("")]
 async fn get_templates() -> impl Responder {
     ""
 }
 
+// TODO
 #[get("/{id}")]
 async fn get_template() -> impl Responder {
     ""
 }
 
+// TODO
 #[post("")]
 async fn create_template() -> impl Responder {
     ""
 }
 
+// TODO
 #[put("")]
 async fn update_template() -> impl Responder {
     ""
 }
 
+// TODO
 #[delete("/{id}")]
 async fn delete_template() -> impl Responder {
     ""