Dav Push: Logic to register subscriptions

crates/caldav/src/subscription.rs

@@ -0,0 +1,20 @@
+use actix_web::{
+    web::{self, Data, Path},
+    HttpResponse,
+};
+use rustical_store::SubscriptionStore;
+
+async fn handle_delete<S: SubscriptionStore + ?Sized>(
+    store: Data<S>,
+    path: Path<String>,
+) -> Result<HttpResponse, rustical_store::Error> {
+    let id = path.into_inner();
+    store.delete_subscription(&id).await?;
+    Ok(HttpResponse::NoContent().body("Unregistered"))
+}
+
+pub fn subscription_resource<S: SubscriptionStore + ?Sized>() -> actix_web::Resource {
+    web::resource("/subscription/{id}")
+        .name("subscription")
+        .delete(handle_delete::<S>)
+}