1 files changed, 21 insertions, 3 deletions
diff --git a/src/channel/routes.rs b/src/channel/routes.rs
index 1379153..847e0b4 100644
--- a/src/channel/routes.rs
+++ b/src/channel/routes.rs
@@ -1,10 +1,12 @@
 use axum::{
     extract::{Form, Path, State},
-    response::{IntoResponse, Redirect},
+    http::StatusCode,
+    response::{IntoResponse, Redirect, Response},
     routing::post,
     Router,
 };
 
+use super::app::EventsError;
 use crate::{
     app::App,
     clock::RequestedAt,
@@ -44,10 +46,26 @@ async fn on_send(
     State(app): State<App>,
     login: Login,
     Form(form): Form<SendRequest>,
-) -> Result<impl IntoResponse, InternalError> {
+) -> Result<impl IntoResponse, ErrorResponse> {
     app.channels()
         .send(&login, &channel, &form.message, &sent_at)
-        .await?;
+        .await
+        // Could impl `From` here, but it's more code and this is used once.
+        .map_err(ErrorResponse)?;
 
     Ok(Redirect::to(&format!("/{}", channel)))
 }
+
+struct ErrorResponse(EventsError);
+
+impl IntoResponse for ErrorResponse {
+    fn into_response(self) -> Response {
+        let Self(error) = self;
+        match error {
+            not_found @ EventsError::ChannelNotFound(_) => {
+                (StatusCode::NOT_FOUND, not_found.to_string()).into_response()
+            }
+            EventsError::DatabaseError(error) => InternalError::from(error).into_response(),
+        }
+    }
+}