Files
tuwunel/src/service/presence/presence.rs
2026-01-21 06:23:12 +11:00

78 lines
1.9 KiB
Rust

use futures::future::join;
use ruma::{
UInt, UserId,
events::presence::{PresenceEvent, PresenceEventContent},
presence::PresenceState,
};
use serde::{Deserialize, Serialize};
use tuwunel_core::{Error, Result, utils, utils::future::TryExtExt};
use crate::users;
/// Represents data required to be kept in order to implement the presence
/// specification.
#[derive(Serialize, Deserialize, Debug, Clone)]
pub(super) struct Presence {
state: PresenceState,
currently_active: bool,
last_active_ts: u64,
status_msg: Option<String>,
}
impl Presence {
#[must_use]
pub(super) fn new(
state: PresenceState,
currently_active: bool,
last_active_ts: u64,
status_msg: Option<String>,
) -> Self {
Self {
state,
currently_active,
last_active_ts,
status_msg,
}
}
pub(super) fn from_json_bytes(bytes: &[u8]) -> Result<Self> {
serde_json::from_slice(bytes)
.map_err(|_| Error::bad_database("Invalid presence data in database"))
}
#[inline]
pub(super) fn state(&self) -> &PresenceState { &self.state }
#[inline]
pub(super) fn last_active_ts(&self) -> u64 { self.last_active_ts }
#[inline]
pub(super) fn status_msg(&self) -> Option<String> { self.status_msg.clone() }
/// Creates a PresenceEvent from available data.
pub(super) async fn to_presence_event(
&self,
user_id: &UserId,
users: &users::Service,
) -> PresenceEvent {
let now = utils::millis_since_unix_epoch();
let last_active_ago = now.saturating_sub(self.last_active_ts);
let avatar_url = users.avatar_url(user_id).ok();
let displayname = users.displayname(user_id).ok();
let (avatar_url, displayname) = join(avatar_url, displayname).await;
PresenceEvent {
sender: user_id.to_owned(),
content: PresenceEventContent {
presence: self.state.clone(),
status_msg: self.status_msg.clone(),
currently_active: Some(self.currently_active),
last_active_ago: Some(UInt::new_saturating(last_active_ago)),
avatar_url,
displayname,
},
}
}
}