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