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use serde::{ de::{Deserialize, Deserializer}, ser::{Serialize, Serializer}, }; pub fn objectid_as_string<'de, D>(data: D) -> Result<String, D::Error> where D: Deserializer<'de>, { bson::oid::ObjectId::deserialize(data).and_then(|oid| Ok(oid.to_hex())) } pub fn string_as_objectid<S>(data: &str, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer, { bson::oid::ObjectId::with_string(data) .expect("invalid_object_id") .serialize(serializer) } pub fn objectid_as_string_optional<'de, D>(deserializer: D) -> Result<Option<String>, D::Error> where D: Deserializer<'de>, { match bson::oid::ObjectId::deserialize(deserializer) { Ok(oid) => Ok(Some(oid.to_hex())), _ => Ok(None), } } pub fn string_as_objectid_optional<S>( data: &Option<String>, serializer: S, ) -> Result<S::Ok, S::Error> where S: Serializer, { match data { Some(d) => bson::oid::ObjectId::with_string(d.as_str()) .expect("invalid_object_id") .serialize(serializer), _ => serializer.serialize_none(), } }