2022-12-21 17:33:18 +01:00

130 lines
4.8 KiB
Rust

//! Types for the [`m.space.child`] event.
//!
//! [`m.space.child`]: https://spec.matrix.org/v1.4/client-server-api/#mspacechild
use ruma_macros::{Event, EventContent};
use serde::{Deserialize, Serialize};
use crate::{MilliSecondsSinceUnixEpoch, OwnedRoomId, OwnedServerName, OwnedUserId};
/// The content of an `m.space.child` event.
///
/// The admins of a space can advertise rooms and subspaces for their space by setting
/// `m.space.child` state events.
///
/// The `state_key` is the ID of a child room or space, and the content must contain a `via` key
/// which gives a list of candidate servers that can be used to join the room.
#[derive(Clone, Debug, Default, Deserialize, Serialize, EventContent)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[ruma_event(type = "m.space.child", kind = State, state_key_type = OwnedRoomId)]
pub struct SpaceChildEventContent {
/// List of candidate servers that can be used to join the room.
#[serde(skip_serializing_if = "Option::is_none")]
pub via: Option<Vec<OwnedServerName>>,
/// Provide a default ordering of siblings in the room list.
///
/// Rooms are sorted based on a lexicographic ordering of the Unicode codepoints of the
/// characters in `order` values. Rooms with no `order` come last, in ascending numeric order
/// of the origin_server_ts of their m.room.create events, or ascending lexicographic order of
/// their room_ids in case of equal `origin_server_ts`. `order`s which are not strings, or do
/// not consist solely of ascii characters in the range `\x20` (space) to `\x7E` (`~`), or
/// consist of more than 50 characters, are forbidden and the field should be ignored if
/// received.
#[serde(skip_serializing_if = "Option::is_none")]
pub order: Option<String>,
/// Space admins can mark particular children of a space as "suggested".
///
/// This mainly serves as a hint to clients that that they can be displayed differently, for
/// example by showing them eagerly in the room list. A child which is missing the `suggested`
/// property is treated identically to a child with `"suggested": false`. A suggested child may
/// be a room or a subspace.
#[serde(default, skip_serializing_if = "ruma_common::serde::is_default")]
pub suggested: bool,
}
impl SpaceChildEventContent {
/// Creates a new `ChildEventContent`.
pub fn new() -> Self {
Self::default()
}
}
/// An `m.space.child` event represented as a Stripped State Event with an added `origin_server_ts`
/// key.
#[derive(Clone, Debug, Event)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
pub struct HierarchySpaceChildEvent {
/// The content of the space child event.
pub content: SpaceChildEventContent,
/// The fully-qualified ID of the user who sent this event.
pub sender: OwnedUserId,
/// The room ID of the child.
pub state_key: String,
/// Timestamp in milliseconds on originating homeserver when this event was sent.
pub origin_server_ts: MilliSecondsSinceUnixEpoch,
}
#[cfg(test)]
mod tests {
use js_int::uint;
use serde_json::{from_value as from_json_value, json, to_value as to_json_value};
use super::{HierarchySpaceChildEvent, SpaceChildEventContent};
use crate::{server_name, MilliSecondsSinceUnixEpoch};
#[test]
fn space_child_serialization() {
let content = SpaceChildEventContent {
via: Some(vec![server_name!("example.com").to_owned()]),
order: Some("uwu".to_owned()),
suggested: false,
};
let json = json!({
"via": ["example.com"],
"order": "uwu",
});
assert_eq!(to_json_value(&content).unwrap(), json);
}
#[test]
fn space_child_empty_serialization() {
let content = SpaceChildEventContent { via: None, order: None, suggested: false };
let json = json!({});
assert_eq!(to_json_value(&content).unwrap(), json);
}
#[test]
fn hierarchy_space_child_deserialization() {
let json = json!({
"content": {
"via": [
"example.org"
]
},
"origin_server_ts": 1_629_413_349,
"sender": "@alice:example.org",
"state_key": "!a:example.org",
"type": "m.space.child"
});
let ev = from_json_value::<HierarchySpaceChildEvent>(json).unwrap();
assert_eq!(ev.origin_server_ts, MilliSecondsSinceUnixEpoch(uint!(1_629_413_349)));
assert_eq!(ev.sender, "@alice:example.org");
assert_eq!(ev.state_key, "!a:example.org");
let via = ev.content.via.unwrap();
assert_eq!(via.len(), 1);
assert_eq!(via[0], "example.org");
assert_eq!(ev.content.order, None);
assert!(!ev.content.suggested);
}
}