87 lines
2.7 KiB
Rust
87 lines
2.7 KiB
Rust
use std::collections::HashSet;
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use ruma::{OwnedUserId, RoomId, UserId};
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use crate::{database::KeyValueDatabase, service, services, utils, Error, Result};
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impl service::rooms::edus::typing::Data for KeyValueDatabase {
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fn typing_add(&self, user_id: &UserId, room_id: &RoomId, timeout: u64) -> Result<()> {
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let mut prefix = room_id.as_bytes().to_vec();
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prefix.push(0xff);
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let count = services().globals.next_count()?.to_be_bytes();
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let mut room_typing_id = prefix;
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room_typing_id.extend_from_slice(&timeout.to_be_bytes());
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room_typing_id.push(0xff);
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room_typing_id.extend_from_slice(&count);
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self.typingid_userid
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.insert(&room_typing_id, &*user_id.as_bytes())?;
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self.roomid_lasttypingupdate
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.insert(room_id.as_bytes(), &count)?;
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Ok(())
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}
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fn typing_remove(&self, user_id: &UserId, room_id: &RoomId) -> Result<()> {
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let mut prefix = room_id.as_bytes().to_vec();
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prefix.push(0xff);
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let user_id = user_id.to_string();
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let mut found_outdated = false;
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// Maybe there are multiple ones from calling roomtyping_add multiple times
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for outdated_edu in self
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.typingid_userid
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.scan_prefix(prefix)
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.filter(|(_, v)| &**v == user_id.as_bytes())
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{
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self.typingid_userid.remove(&outdated_edu.0)?;
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found_outdated = true;
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}
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if found_outdated {
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self.roomid_lasttypingupdate.insert(
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room_id.as_bytes(),
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&services().globals.next_count()?.to_be_bytes(),
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)?;
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}
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Ok(())
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}
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fn last_typing_update(&self, room_id: &RoomId) -> Result<u64> {
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Ok(self
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.roomid_lasttypingupdate
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.get(room_id.as_bytes())?
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.map(|bytes| {
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utils::u64_from_bytes(&bytes).map_err(|_| {
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Error::bad_database("Count in roomid_lastroomactiveupdate is invalid.")
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})
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})
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.transpose()?
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.unwrap_or(0))
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}
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fn typings_all(&self, room_id: &RoomId) -> Result<HashSet<OwnedUserId>> {
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let mut prefix = room_id.as_bytes().to_vec();
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prefix.push(0xff);
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let mut user_ids = HashSet::new();
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for (_, user_id) in self.typingid_userid.scan_prefix(prefix) {
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let user_id = UserId::parse(utils::string_from_bytes(&user_id).map_err(|_| {
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Error::bad_database("User ID in typingid_userid is invalid unicode.")
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})?)
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.map_err(|_| Error::bad_database("User ID in typingid_userid is invalid."))?;
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user_ids.insert(user_id);
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}
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Ok(user_ids)
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}
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}
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