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use std::convert::TryFrom;
use serde::{Deserialize, Serialize};
use serde_json::Value;
#[derive(Serialize, Deserialize, Debug, Clone)]
pub struct Error {
code: i32,
message: String,
data: Option<Value>,
}
#[derive(Serialize, Deserialize, Debug, PartialEq, Eq, Hash, Clone)]
#[serde(untagged)]
pub enum RequestId {
Str(String),
Int(i32),
}
impl From<String> for RequestId {
fn from(str: String) -> Self {
RequestId::Str(str)
}
}
impl From<i32> for RequestId {
fn from(i: i32) -> Self {
RequestId::Int(i)
}
}
#[derive(Serialize, Deserialize, Debug, Clone)]
#[serde(untagged)]
pub enum Message {
Request {
jsonrpc: String,
id: RequestId,
method: String,
params: Option<Value>,
},
Response {
jsonrpc: String,
id: RequestId,
result: Option<Value>,
error: Option<Error>,
},
Notification {
jsonrpc: String,
method: String,
params: Option<Value>,
},
}
impl Message {
pub fn request(id: RequestId, method: String, params: Option<Value>) -> Self {
Message::Request {
jsonrpc: String::from("2.0"),
id,
method,
params,
}
}
pub fn response(id: RequestId, result: Option<Value>, error: Option<Error>) -> Self {
Message::Response {
jsonrpc: String::from("2.0"),
id,
result,
error,
}
}
pub fn notification(method: String, params: Option<Value>) -> Self {
Message::Notification {
jsonrpc: String::from("2.0"),
method,
params,
}
}
}
#[derive(Debug, Clone)]
pub struct Response {
pub id: RequestId,
pub result: Option<Value>,
pub error: Option<Error>,
}
impl TryFrom<Message> for Response {
type Error = ();
fn try_from(value: Message) -> Result<Self, Self::Error> {
match value {
Message::Response {
id, result, error, ..
} => Ok(Self { id, result, error }),
_ => Err(()),
}
}
}
impl From<Response> for Message {
fn from(value: Response) -> Self {
Self::Response {
jsonrpc: "2.0".into(),
id: value.id,
result: value.result,
error: value.error,
}
}
}