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Avoid possible panic in Room::most_active_project

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Participants' locations might momentarily reference projects that have already been unshared.
This commit is contained in:
Max Brunsfeld 2023-10-09 15:04:01 -07:00
parent bdcbf9b92e
commit 1d29709c32
1 changed files with 14 additions and 11 deletions
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25
crates/call/src/room.rs
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@ -600,27 +600,30 @@ impl Room {
/// Returns the most 'active' projects, defined as most people in the project
pub fn most_active_project(&self) -> Option<(u64, u64)> {
let mut projects = HashMap::default();
let mut hosts = HashMap::default();
let mut project_hosts_and_guest_counts = HashMap::<u64, (Option<u64>, u32)>::default();
for participant in self.remote_participants.values() {
match participant.location {
ParticipantLocation::SharedProject { project_id } => {
*projects.entry(project_id).or_insert(0) += 1;
project_hosts_and_guest_counts
.entry(project_id)
.or_default()
.1 += 1;
}
ParticipantLocation::External | ParticipantLocation::UnsharedProject => {}
}
for project in &participant.projects {
*projects.entry(project.id).or_insert(0) += 1;
hosts.insert(project.id, participant.user.id);
project_hosts_and_guest_counts
.entry(project.id)
.or_default()
.0 = Some(participant.user.id);
}
}
let mut pairs: Vec<(u64, usize)> = projects.into_iter().collect();
pairs.sort_by_key(|(_, count)| *count as i32);
pairs
.first()
.map(|(project_id, _)| (*project_id, hosts[&project_id]))
project_hosts_and_guest_counts
.into_iter()
.filter_map(|(id, (host, guest_count))| Some((id, host?, guest_count)))
.max_by_key(|(_, _, guest_count)| *guest_count)
.map(|(id, host, _)| (id, host))
}
async fn handle_room_updated(