ruma_client_api/discovery/get_supported_versions.rs
1//! `GET /_matrix/client/versions` ([spec])
2//!
3//! Get the versions of the client-server API supported by this homeserver.
4//!
5//! [spec]: https://spec.matrix.org/latest/client-server-api/#get_matrixclientversions
6
7use std::collections::BTreeMap;
8
9use ruma_common::{
10 api::{request, response, Metadata, SupportedVersions},
11 metadata,
12};
13
14const METADATA: Metadata = metadata! {
15 method: GET,
16 rate_limited: false,
17 authentication: AccessTokenOptional,
18 history: {
19 1.0 => "/_matrix/client/versions",
20 }
21};
22
23/// Request type for the `api_versions` endpoint.
24#[request(error = crate::Error)]
25#[derive(Default)]
26pub struct Request {}
27
28/// Response type for the `api_versions` endpoint.
29#[response(error = crate::Error)]
30pub struct Response {
31 /// A list of Matrix client API protocol versions supported by the homeserver.
32 pub versions: Vec<String>,
33
34 /// Experimental features supported by the server.
35 ///
36 /// Servers can enable some unstable features only for some users, so this
37 /// list might differ when an access token is provided.
38 #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
39 pub unstable_features: BTreeMap<String, bool>,
40}
41
42impl Request {
43 /// Creates an empty `Request`.
44 pub fn new() -> Self {
45 Self {}
46 }
47}
48
49impl Response {
50 /// Creates a new `Response` with the given `versions`.
51 pub fn new(versions: Vec<String>) -> Self {
52 Self { versions, unstable_features: BTreeMap::new() }
53 }
54
55 /// Convert this `Response` into a [`SupportedVersions`] that can be used with
56 /// `OutgoingRequest::try_into_http_request()`.
57 ///
58 /// Matrix versions that can't be parsed to a `MatrixVersion`, and features with the boolean
59 /// value set to `false` are discarded.
60 pub fn as_supported_versions(&self) -> SupportedVersions {
61 SupportedVersions::from_parts(&self.versions, &self.unstable_features)
62 }
63}