Function extract_field_string

nodedb/src/data/executor/handlers/recursive.rs:292–307

Extract a field value from a msgpack document as a string for hash lookup.

(msgpack_doc: &[u8], field_name: &str)

/// Extract a field value from a msgpack document as a string for hash lookup.
fn extract_field_string(msgpack_doc: &[u8], field_name: &str) -> Option<String> {
    let value = nodedb_types::value_from_msgpack(msgpack_doc).ok()?;
    match &value {
        nodedb_types::Value::Object(map) => {
            let v = map.get(field_name)?;
            match v {
                nodedb_types::Value::String(s) => Some(s.clone()),
                nodedb_types::Value::Integer(i) => Some(i.to_string()),
                nodedb_types::Value::Float(f) => Some(f.to_string()),
                nodedb_types::Value::Bool(b) => Some(b.to_string()),
                _ => Some(format!("{v:?}")),
            }
        }
        _ => None,
    }
}