84 lines
2.4 KiB
Rust
84 lines
2.4 KiB
Rust
//! Types for the *m.reaction* event.
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use ruma_events_macros::EventContent;
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use ruma_identifiers::EventId;
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use serde::{Deserialize, Serialize};
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use crate::MessageEvent;
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/// A reaction to another event.
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pub type ReactionEvent = MessageEvent<ReactionEventContent>;
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/// The payload for a `ReactionEvent`.
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#[derive(Clone, Debug, Deserialize, Serialize, EventContent)]
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#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
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#[ruma_event(type = "m.reaction", kind = Message)]
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pub struct ReactionEventContent {
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/// Information about the related event.
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#[serde(rename = "m.relates_to")]
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pub relates_to: Relation,
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}
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impl ReactionEventContent {
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/// Creates a new `ReactionEventContent` from the given relation.
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///
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/// You can also construct a `ReactionEventContent` from a relation using `From` / `Into`.
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pub fn new(relates_to: Relation) -> Self {
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Self { relates_to }
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}
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}
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impl From<Relation> for ReactionEventContent {
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fn from(relates_to: Relation) -> Self {
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Self::new(relates_to)
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}
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}
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/// The relation that contains info which event the reaction is applying to.
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#[derive(Clone, Debug, Deserialize, Serialize)]
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#[cfg_attr(not(feature = "unstable-exhaustive-types"), non_exhaustive)]
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#[serde(tag = "rel_type", rename = "m.annotation")]
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pub struct Relation {
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/// The event that is being reacted to.
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pub event_id: EventId,
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/// A string that holds the emoji reaction.
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#[serde(rename = "key")]
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pub emoji: String,
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}
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impl Relation {
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/// Creates a new `Relation` with the given event ID and emoji.
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pub fn new(event_id: EventId, emoji: String) -> Self {
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Self { event_id, emoji }
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}
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}
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#[cfg(test)]
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mod tests {
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use matches::assert_matches;
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use ruma_identifiers::event_id;
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use serde_json::{from_value as from_json_value, json};
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use super::{ReactionEventContent, Relation};
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#[test]
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fn deserialize() {
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let ev_id = event_id!("$1598361704261elfgc:localhost");
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let json = json!({
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"m.relates_to": {
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"rel_type": "m.annotation",
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"event_id": ev_id,
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"key": "🦛",
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}
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});
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assert_matches!(
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from_json_value::<ReactionEventContent>(json).unwrap(),
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ReactionEventContent { relates_to: Relation { event_id, emoji } }
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if event_id == ev_id && emoji == "🦛"
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);
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}
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}
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