async_graphql_axum/
response.rs

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
use axum::{
    body::Body,
    http,
    http::HeaderValue,
    response::{IntoResponse, Response},
};

/// Responder for a GraphQL response.
///
/// This contains a batch response, but since regular responses are a type of
/// batch response it works for both.
pub struct GraphQLResponse(pub async_graphql::BatchResponse);

impl From<async_graphql::Response> for GraphQLResponse {
    fn from(resp: async_graphql::Response) -> Self {
        Self(resp.into())
    }
}

impl From<async_graphql::BatchResponse> for GraphQLResponse {
    fn from(resp: async_graphql::BatchResponse) -> Self {
        Self(resp)
    }
}

impl IntoResponse for GraphQLResponse {
    fn into_response(self) -> Response {
        let body: Body = serde_json::to_string(&self.0).unwrap().into();
        let mut resp = Response::new(body);
        resp.headers_mut().insert(
            http::header::CONTENT_TYPE,
            HeaderValue::from_static("application/json"),
        );
        if self.0.is_ok() {
            if let Some(cache_control) = self.0.cache_control().value() {
                if let Ok(value) = HeaderValue::from_str(&cache_control) {
                    resp.headers_mut()
                        .insert(http::header::CACHE_CONTROL, value);
                }
            }
        }

        resp.headers_mut().extend(self.0.http_headers());
        resp
    }
}