ruwuma/src/room/create.rs
2020-04-30 18:07:20 +02:00

101 lines
2.9 KiB
Rust

//! Types for the *m.room.create* event.
use std::convert::TryFrom;
use ruma_events_macros::ruma_event;
use ruma_identifiers::{EventId, RoomId, RoomVersionId, UserId};
use serde::{Deserialize, Serialize};
ruma_event! {
/// This is the first event in a room and cannot be changed. It acts as the root of all other
/// events.
CreateEvent {
kind: StateEvent,
event_type: "m.room.create",
content: {
/// The `user_id` of the room creator. This is set by the homeserver.
pub creator: UserId,
/// Whether or not this room's data should be transferred to other homeservers.
#[serde(rename = "m.federate", default = "ruma_serde::default_true")]
pub federate: bool,
/// The version of the room. Defaults to "1" if the key does not exist.
#[serde(default = "default_room_version_id")]
pub room_version: RoomVersionId,
/// A reference to the room this room replaces, if the previous room was upgraded.
#[serde(skip_serializing_if = "Option::is_none")]
pub predecessor: Option<PreviousRoom>,
},
}
}
/// A reference to an old room replaced during a room version upgrade.
#[derive(Clone, Debug, PartialEq, Deserialize, Serialize)]
pub struct PreviousRoom {
/// The ID of the old room.
pub room_id: RoomId,
/// The event ID of the last known event in the old room.
pub event_id: EventId,
}
/// Used to default the `room_version` field to room version 1.
fn default_room_version_id() -> RoomVersionId {
RoomVersionId::try_from("1").unwrap()
}
#[cfg(test)]
mod tests {
use std::convert::TryFrom;
use ruma_identifiers::{RoomVersionId, UserId};
use serde_json::{from_value as from_json_value, json, to_value as to_json_value};
use super::CreateEventContent;
use crate::EventJson;
#[test]
fn serialization() {
let content = CreateEventContent {
creator: UserId::try_from("@carl:example.com").unwrap(),
federate: true,
room_version: RoomVersionId::version_4(),
predecessor: None,
};
let json = json!({
"creator": "@carl:example.com",
"m.federate": true,
"room_version": "4"
});
assert_eq!(to_json_value(&content).unwrap(), json);
}
#[test]
fn deserialization() {
let content = CreateEventContent {
creator: UserId::try_from("@carl:example.com").unwrap(),
federate: true,
room_version: RoomVersionId::version_4(),
predecessor: None,
};
let json = json!({
"creator": "@carl:example.com",
"m.federate": true,
"room_version": "4"
});
assert_eq!(
from_json_value::<EventJson<CreateEventContent>>(json)
.unwrap()
.deserialize()
.unwrap(),
content
);
}
}