Function persistence_error_to_status

crates/openshell-server/src/grpc/mod.rs:80–96

Map a `PersistenceError` to an appropriate gRPC `Status`. CAS conflicts (optimistic concurrency failures) are mapped to `ABORTED` to signal that the client should retry with fresh data. Other persistence errors are mapped to `INTERNAL`.

(
    err: crate::persistence::PersistenceError,
    operation: &str,
)

/// to signal that the client should retry with fresh data. Other persistence
/// errors are mapped to `INTERNAL`.
pub fn persistence_error_to_status(
    err: crate::persistence::PersistenceError,
    operation: &str,
) -> Status {
    use crate::persistence::PersistenceError;

    match err {
        PersistenceError::Conflict {
            current_resource_version,
        } => Status::aborted(format!(
            "{} failed due to concurrent modification (current resource_version: {})",
            operation,
            current_resource_version.map_or_else(|| "unknown".to_string(), |v| v.to_string())
        )),
        other => Status::internal(format!("{operation} failed: {other}")),
    }
}

// ---------------------------------------------------------------------------
// Field-level size limits (shared across submodules)