ruma_appservice_api/media/preview_url.rs
1//! `GET /_matrix/app/*/media/preview_url`
2//!
3//! Endpoint to query a preview for a given url.
4
5pub mod unstable {
6 //! `msc4417` ([MSC])
7 //!
8 //! [MSC]: https://github.com/matrix-org/matrix-spec-proposals/pull/4417
9
10 use ruma_common::{
11 OwnedUserId,
12 api::{request, response},
13 metadata,
14 };
15 use serde::Serialize;
16 use serde_json::value::{RawValue as RawJsonValue, to_raw_value as to_raw_json_value};
17
18 use crate::HomeserverToken;
19
20 metadata! {
21 method: GET,
22 rate_limited: false,
23 authentication: HomeserverToken,
24 path: "/_matrix/app/unstable/uk.half-shot.msc4417/preview_url"
25 }
26
27 /// Request type for the `preview_url` endpoint.
28 #[request]
29 pub struct Request {
30 /// URL to get a preview of.
31 #[ruma_api(query)]
32 pub url: String,
33
34 /// UserID of the user requesting this preview.
35 #[ruma_api(query)]
36 #[serde(skip_serializing_if = "Option::is_none")]
37 pub user_id: Option<OwnedUserId>,
38 }
39
40 /// Response type for the `get_media_preview` endpoint.
41 ///
42 /// Equivalent to `ruma_client_api::authenticated_media::get_media_preview::v1::Response`
43 #[response]
44 #[derive(Default)]
45 pub struct Response {
46 /// OpenGraph-like data for the URL.
47 ///
48 /// Differences from OpenGraph: the image size in bytes is added to the `matrix:image:size`
49 /// field, and `og:image` returns the MXC URI to the image, if any.
50 #[ruma_api(body)]
51 pub data: Option<Box<RawJsonValue>>,
52 }
53
54 impl Request {
55 /// Creates a new `Request` with the given URL.
56 pub fn new(url: String) -> Self {
57 Self { url, user_id: None }
58 }
59 }
60
61 impl Response {
62 /// Creates an empty `Response`.
63 pub fn new() -> Self {
64 Self { data: None }
65 }
66
67 /// Creates a new `Response` with the given OpenGraph data (in a
68 /// `serde_json::value::RawValue`).
69 pub fn from_raw_value(data: Box<RawJsonValue>) -> Self {
70 Self { data: Some(data) }
71 }
72
73 /// Creates a new `Response` with the given OpenGraph data (in any kind of serializable
74 /// object).
75 pub fn from_serialize<T: Serialize>(data: &T) -> serde_json::Result<Self> {
76 Ok(Self { data: Some(to_raw_json_value(data)?) })
77 }
78 }
79}