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|
use chrono::{NaiveDateTime, TimeDelta};
use filamento::{chat::{Chat, ChatStoreFields, MessageStoreFields}, user::User};
use indexmap::IndexMap;
use jid::BareJID;
use leptos::prelude::*;
use reactive_stores::{ArcStore, Store};
use tracing::{debug, error};
use uuid::Uuid;
use crate::{chat::MacawChat, client::Client, components::message::Message, message::{ArcMacawMessage, MacawMessage}, message_subscriptions::MessageSubscriptions};
#[component]
pub fn MessageHistoryBuffer(chat: MacawChat) -> impl IntoView {
let (messages, set_messages) = arc_signal(IndexMap::new());
let load_set_messages = set_messages.clone();
let load_messages = LocalResource::new(move || {
let load_set_messages = load_set_messages.clone();
async move {
let client = use_context::<Client>().expect("client not in context");
let messages = client
.get_messages_with_users(chat.get().correspondent().get())
.await
.map_err(|e| e.to_string());
match messages {
Ok(m) => {
let messages = m
.into_iter()
.map(|(message, message_user)| {
(
message.id,
ArcMacawMessage::got_message_and_user(message, message_user),
)
})
.collect::<IndexMap<Uuid, _>>();
load_set_messages.set(messages);
}
Err(err) => {
error!("{err}")
// TODO: show error message at top of chats list
}
}
}
});
// TODO: filter new messages signal
let new_messages_signal: RwSignal<MessageSubscriptions> = use_context().unwrap();
let (sub_id, set_sub_id) = signal(None);
let load_new_messages_set = set_messages.clone();
let _load_new_messages = LocalResource::new(move || {
let load_new_messages_set = load_new_messages_set.clone();
async move {
load_messages.await;
let (sub_id, mut new_messages) = new_messages_signal
.write()
.subscribe_chat(chat.get().correspondent().get());
set_sub_id.set(Some(sub_id));
while let Some(new_message) = new_messages.recv().await {
debug!("got new message in let message buffer");
let mut messages = load_new_messages_set.write();
if let Some((_, last)) = messages.last() {
if *last.get()
.timestamp()
.read()
< *new_message.get()
.timestamp()
.read()
{
messages.insert(
new_message.get()
.id()
.get(),
new_message,
);
debug!("set the new message in message buffer");
} else {
let index = match messages.binary_search_by(|_, value| {
value.get()
.timestamp()
.read()
.cmp(
&new_message.get()
.timestamp()
.read(),
)
}) {
Ok(i) => i,
Err(i) => i,
};
messages.insert_before(
// TODO: check if this logic is correct
index,
new_message.get()
.id()
.get(),
new_message,
);
debug!("set the new message in message buffer");
}
} else {
messages.insert(
new_message.get()
.id()
.get(),
new_message,
);
debug!("set the new message in message buffer");
}
}
}
});
on_cleanup(move || {
if let Some(sub_id) = sub_id.get_untracked() {
new_messages_signal
.write()
.unsubscribe_chat(sub_id, chat.get().correspondent().get_untracked());
}
});
let each = move || {
let mut last_timestamp = NaiveDateTime::MIN;
let mut last_user: Option<BareJID> = None;
let mut messages = messages
.get()
.into_iter()
.map(|(id, message)| {
let message_timestamp =
message.message.get()
.timestamp()
.read()
.naive_local();
// TODO: mark new day
// if message_timestamp.date() > last_timestamp.date() {
// messages_view = messages_view.push(date(message_timestamp.date()));
// }
let major = if last_user.as_ref() != Some(&message.message.get().read().from)
|| message_timestamp - last_timestamp > TimeDelta::minutes(3)
{
true
} else {
false
};
last_user = Some(
message.get()
.from()
.get(),
);
last_timestamp = message_timestamp;
(id, (message, major, false))
})
.collect::<Vec<_>>();
if let Some((_id, (_, _, last))) = messages.last_mut() {
*last = true
}
messages.into_iter().rev()
};
view! {
<div class="messages-buffer">
<For each=each key=|message| (message.0, message.1.1, message.1.2) let(message)>
<Message message=message.1.0.into() major=message.1.1 r#final=message.1.2 />
</For>
</div>
}
}
|
