parse_item.rs

use aws_sdk_dynamodb::model::AttributeValue;
use serde_json::Value;

fn parse_item(value: Value) -> HashMap<String, AttributeValue> {
    match value_to_item(value) {
        AttributeValue::M(map) => map,
        other => panic!("can only insert top level values, got {:?}", other),
    }
}

fn value_to_item(value: Value) -> AttributeValue {
    match value {
        Value::Null => AttributeValue::Null(true),
        Value::Bool(b) => AttributeValue::Bool(b),
        Value::Number(n) => AttributeValue::N(n.to_string()),
        Value::String(s) => AttributeValue::S(s),
        Value::Array(a) => AttributeValue::L(a.into_iter().map(value_to_item).collect()),
        Value::Object(o) => {
            AttributeValue::M(o.into_iter().map(|(k, v)| (k, value_to_item(v))).collect())
        }
    }
}