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use serde::Serialize;
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use crate::{
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object::{AnyObject, GiteratedObject},
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operation::{AnyOperation, GiteratedOperation},
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};
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use std::fmt::Debug;
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#[derive(Serialize)]
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#[serde(bound(deserialize = "O: GiteratedObject, V: GiteratedOperation<O>"))]
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pub struct GiteratedMessage<O: GiteratedObject, V: GiteratedOperation<O>> {
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#[serde(with = "string")]
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pub object: O,
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pub operation: String,
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pub payload: V,
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}
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mod string {
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use std::fmt::Display;
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use std::str::FromStr;
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use serde::{de, Deserialize, Deserializer, Serializer};
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pub fn serialize<T, S>(value: &T, serializer: S) -> Result<S::Ok, S::Error>
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where
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T: Display,
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S: Serializer,
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{
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serializer.collect_str(value)
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}
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pub fn deserialize<'de, T, D>(deserializer: D) -> Result<T, D::Error>
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where
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T: FromStr,
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T::Err: Display,
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D: Deserializer<'de>,
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{
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String::deserialize(deserializer)?
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.parse()
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.map_err(de::Error::custom)
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}
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}
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impl GiteratedMessage<AnyObject, AnyOperation> {
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pub fn try_into<O: GiteratedObject, V: GiteratedOperation<O>>(
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&self,
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) -> Result<GiteratedMessage<O, V>, ()> {
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let object = O::from_object_str(&self.object.0).map_err(|_| ())?;
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let payload = serde_json::from_value::<V>(self.payload.0.clone()).map_err(|_| ())?;
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Ok(GiteratedMessage {
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object,
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operation: self.operation.clone(),
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payload,
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})
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}
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}
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impl<V: GiteratedOperation<O> + Debug, O: GiteratedObject + Debug> Debug
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for GiteratedMessage<O, V>
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{
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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f.debug_struct("GiteratedMessage")
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.field("object", &self.object)
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.field("operation", &self.operation)
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.field("payload", &self.payload)
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.finish()
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}
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}
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