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Provide a consistent ordering for channel messages based on their ID

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Co-Authored-By: Nathan Sobo <nathan@zed.dev>
This commit is contained in:
Antonio Scandurra 2021-08-20 14:44:36 +02:00
parent 5f3e6f35d4
commit 0b9767651b
1 changed files with 26 additions and 7 deletions
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33
zed/src/channel.rs
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@ -7,7 +7,8 @@ use gpui::{
AsyncAppContext, Entity, ModelContext, ModelHandle, MutableAppContext, WeakModelHandle,
};
use std::{
collections::{hash_map, HashMap, VecDeque},
cmp::Ordering,
collections::{hash_map, BTreeSet, HashMap},
sync::Arc,
};
use zrpc::{
@ -29,8 +30,7 @@ pub struct ChannelDetails {
pub struct Channel {
details: ChannelDetails,
first_message_id: Option<u64>,
messages: VecDeque<ChannelMessage>,
messages: BTreeSet<ChannelMessage>,
pending_messages: Vec<PendingChannelMessage>,
next_local_message_id: u64,
rpc: Arc<Client>,
@ -135,7 +135,6 @@ impl Channel {
Self {
details,
rpc,
first_message_id: None,
messages: Default::default(),
pending_messages: Default::default(),
next_local_message_id: 0,
@ -163,7 +162,7 @@ impl Channel {
.binary_search_by_key(&local_id, |msg| msg.local_id)
{
let body = this.pending_messages.remove(i).body;
this.messages.push_back(ChannelMessage {
this.messages.insert(ChannelMessage {
id: response.message_id,
sender_id: current_user_id,
body,
@ -178,7 +177,7 @@ impl Channel {
Ok(())
}
pub fn messages(&self) -> &VecDeque<ChannelMessage> {
pub fn messages(&self) -> &BTreeSet<ChannelMessage> {
&self.messages
}
@ -200,7 +199,7 @@ impl Channel {
.payload
.message
.ok_or_else(|| anyhow!("empty message"))?;
self.messages.push_back(message.into());
self.messages.insert(message.into());
cx.notify();
Ok(())
}
@ -224,3 +223,23 @@ impl From<proto::ChannelMessage> for ChannelMessage {
}
}
}
impl PartialOrd for ChannelMessage {
fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
Some(self.cmp(other))
}
}
impl Ord for ChannelMessage {
fn cmp(&self, other: &Self) -> Ordering {
self.id.cmp(&other.id)
}
}
impl PartialEq for ChannelMessage {
fn eq(&self, other: &Self) -> bool {
self.id == other.id
}
}
impl Eq for ChannelMessage {}