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use std::io;
pub use apple_web_service_endpoint::{
Body, Endpoint, EndpointParseResponseOutput, Request, Response,
};
pub use async_trait::async_trait;
#[async_trait]
pub trait Client {
async fn respond(&self, request: Request<Body>) -> io::Result<Response<Body>>;
async fn respond_endpoint<E: Endpoint + Send + Sync>(
&self,
endpoint: &mut E,
) -> io::Result<EndpointParseResponseOutput<E::ParseResponseOutput, E::RetryReason>> {
let request = endpoint.render_request()?;
let response = self.respond(request).await?;
endpoint.parse_response(response)
}
async fn respond_endpoint_until_done<E: Endpoint + Send + Sync>(
&self,
endpoint: &mut E,
max_retry_count: Option<u8>,
) -> io::Result<E::ParseResponseOutput> {
let max_retry_count = max_retry_count.unwrap_or(3);
let mut retry_count = 0;
loop {
match self.respond_endpoint(endpoint).await? {
EndpointParseResponseOutput::Retryable(_) => {
retry_count += 1;
if retry_count > max_retry_count {
return Err(io::Error::new(
io::ErrorKind::Other,
"reached max retry count",
));
}
continue;
}
EndpointParseResponseOutput::Done(output) => {
break Ok(output);
}
}
}
}
}