make splash route have expected behavior

src/routes/splash.rs

@@ -1,9 +1,20 @@
-use axum::{routing::get, Router};
+use crate::setup;
+use axum::{http::StatusCode, routing::get, Router};
+use sqlite::State;
 
 pub fn route() -> Router {
-    Router::new().route("/splash", get(random_splash()))
+    Router::new().route("/splash", get(random_splash))
 }
 
-fn random_splash() -> String {
-    "Hello".to_owned()
+async fn random_splash() -> (StatusCode, String) {
+    let conn = setup::initialise_sqlite_connection();
+    let query = "SELECT splash FROM splashes ORDER BY RANDOM() LIMIT 1";
+
+    let mut statement = conn.prepare(query).unwrap();
+
+    while let Ok(State::Row) = statement.next() {
+        return (StatusCode::OK, statement.read::<String, _>(0).unwrap());
+    }
+
+    return (StatusCode::INTERNAL_SERVER_ERROR, "".to_owned());
 }