[update] improved error handling in handlers.rs by differentiating database errors, providing clearer response messages, and adding error logging with tracing

backend-rust/src/api/handlers.rs

@@ -17,16 +17,19 @@ use axum::{
     http::StatusCode,
     response::{IntoResponse, Response},
 };
+use sqlx::error::DatabaseError;
 
 pub struct AppError(anyhow::Error);
 
 impl IntoResponse for AppError {
     fn into_response(self) -> Response {
-        (
-            StatusCode::INTERNAL_SERVER_ERROR,
-            format!("Something went wrong: {}", self.0),
-        )
-            .into_response()
+        let (status, message) = match self.0.downcast_ref::<sqlx::Error>() {
+            Some(_) => (StatusCode::INTERNAL_SERVER_ERROR, "Database error occurred"),
+            None => (StatusCode::INTERNAL_SERVER_ERROR, "An error occurred"),
+        };
+
+        tracing::error!("API Error: {:?}", self.0);
+        (status, message).into_response()
     }
 }