2022-06-07 12:07:57 +02:00

84 lines
2.4 KiB
Rust

//! Types for the `m.reaction` event.
use ruma_macros::EventContent;
use serde::{Deserialize, Serialize};
use crate::OwnedEventId;
/// The payload for a `m.reaction` event.
///
/// A reaction to another event.
#[derive(Clone, Debug, Deserialize, Serialize, EventContent)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[ruma_event(type = "m.reaction", kind = MessageLike)]
pub struct ReactionEventContent {
/// Information about the related event.
#[serde(rename = "m.relates_to")]
pub relates_to: Relation,
}
impl ReactionEventContent {
/// Creates a new `ReactionEventContent` from the given relation.
///
/// You can also construct a `ReactionEventContent` from a relation using `From` / `Into`.
pub fn new(relates_to: Relation) -> Self {
Self { relates_to }
}
}
impl From<Relation> for ReactionEventContent {
fn from(relates_to: Relation) -> Self {
Self::new(relates_to)
}
}
/// Information about an annotation relation.
#[derive(Clone, Debug, Deserialize, Serialize)]
#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
#[serde(tag = "rel_type", rename = "m.annotation")]
pub struct Relation {
/// The event that is being annotated.
pub event_id: OwnedEventId,
/// A string that indicates the annotation being applied.
///
/// When sending emoji reactions, this field should include the colourful variation-16 when
/// applicable.
///
/// Clients should render reactions that have a long `key` field in a sensible manner.
pub key: String,
}
impl Relation {
/// Creates a new `Relation` with the given event ID and key.
pub fn new(event_id: OwnedEventId, key: String) -> Self {
Self { event_id, key }
}
}
#[cfg(test)]
mod tests {
use assert_matches::assert_matches;
use serde_json::{from_value as from_json_value, json};
use super::ReactionEventContent;
#[test]
fn deserialize() {
let json = json!({
"m.relates_to": {
"rel_type": "m.annotation",
"event_id": "$1598361704261elfgc:localhost",
"key": "🦛",
}
});
let relates_to = assert_matches!(
from_json_value::<ReactionEventContent>(json),
Ok(ReactionEventContent { relates_to }) => relates_to
);
assert_eq!(relates_to.event_id, "$1598361704261elfgc:localhost");
assert_eq!(relates_to.key, "🦛");
}
}