brk_server 0.3.0-beta.7

A server with an API for anything from BRK
Documentation 
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
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72

use axum::{
    body::Body,
    http::{HeaderMap, Response, StatusCode, header},
    response::IntoResponse,
};
use serde::Serialize;

use super::header_map::HeaderMapExtended;
use crate::cache::CacheParams;

fn new_json_cached<T: Serialize>(value: T, params: &CacheParams) -> Response<Body> {
    let bytes = serde_json::to_vec(&value).unwrap();
    let mut response = Response::builder().body(bytes.into()).unwrap();
    let h = response.headers_mut();
    h.insert_content_type_application_json();
    params.apply_to(h);
    response
}

pub trait ResponseExtended
where
    Self: Sized,
{
    fn new_not_modified(params: &CacheParams) -> Self;
    fn static_json<T>(headers: &HeaderMap, value: T) -> Self
    where
        T: Serialize;
    fn static_bytes(
        headers: &HeaderMap,
        bytes: &'static [u8],
        content_type: &'static str,
        content_encoding: &'static str,
    ) -> Self;
}

impl ResponseExtended for Response<Body> {
    fn new_not_modified(params: &CacheParams) -> Response<Body> {
        let mut response = (StatusCode::NOT_MODIFIED, "").into_response();
        params.apply_to(response.headers_mut());
        response
    }

    fn static_json<T>(headers: &HeaderMap, value: T) -> Self
    where
        T: Serialize,
    {
        let params = CacheParams::deploy();
        if params.matches_etag(headers) {
            return Self::new_not_modified(&params);
        }
        new_json_cached(value, &params)
    }

    fn static_bytes(
        headers: &HeaderMap,
        bytes: &'static [u8],
        content_type: &'static str,
        content_encoding: &'static str,
    ) -> Self {
        let params = CacheParams::deploy();
        if params.matches_etag(headers) {
            return Self::new_not_modified(&params);
        }
        let mut response = Response::new(Body::from(bytes));
        let h = response.headers_mut();
        h.insert(header::CONTENT_TYPE, content_type.parse().unwrap());
        h.insert(header::CONTENT_ENCODING, content_encoding.parse().unwrap());
        h.insert_vary_accept_encoding();
        params.apply_to(h);
        response
    }
}