Files
coop/crates/app/src/views/chat/room.rs
2025-01-08 17:30:06 +07:00

346 lines
12 KiB
Rust

use gpui::{
div, list, px, Context, Flatten, IntoElement, ListAlignment, ListState, Model, ParentElement,
PathPromptOptions, Pixels, Render, SharedString, Styled, View, ViewContext, VisualContext,
};
use itertools::Itertools;
use nostr_sdk::prelude::*;
use std::sync::Arc;
use ui::{
button::{Button, ButtonVariants},
input::{InputEvent, TextInput},
theme::ActiveTheme,
v_flex, Icon, IconName,
};
use super::message::RoomMessage;
use crate::{
get_client,
states::chat::{ChatRegistry, Room},
};
#[derive(Clone)]
pub struct Messages {
count: usize,
items: Vec<RoomMessage>,
}
pub struct RoomPanel {
id: SharedString,
owner: PublicKey,
members: Arc<[PublicKey]>,
// Form
input: View<TextInput>,
// Messages
list: ListState,
messages: Model<Messages>,
}
impl RoomPanel {
pub fn new(room: &Arc<Room>, cx: &mut ViewContext<'_, Self>) -> Self {
let id = room.id.clone();
let members: Arc<[PublicKey]> = room.members.clone().into();
let owner = room.owner;
// Form
let input = cx.new_view(|cx| {
TextInput::new(cx)
.appearance(false)
.text_size(ui::Size::Small)
.placeholder("Message...")
.cleanable()
});
// Send message when user presses enter on form.
cx.subscribe(&input, move |this, _, input_event, cx| {
if let InputEvent::PressEnter = input_event {
this.send_message(cx);
}
})
.detach();
let messages = cx.new_model(|_| Messages {
count: 0,
items: vec![],
});
cx.observe(&messages, |this, model, cx| {
let items = model.read(cx).items.clone();
this.list = ListState::new(
items.len(),
ListAlignment::Bottom,
Pixels(256.),
move |idx, _cx| {
let item = items.get(idx).unwrap().clone();
div().child(item).into_any_element()
},
);
cx.notify();
})
.detach();
let list = ListState::new(0, ListAlignment::Bottom, Pixels(256.), move |_, _| {
div().into_any_element()
});
Self {
id,
owner,
members,
input,
list,
messages,
}
}
pub fn load(&self, cx: &mut ViewContext<Self>) {
let async_messages = self.messages.clone();
let mut async_cx = cx.to_async();
cx.foreground_executor()
.spawn({
let client = get_client();
let owner = self.owner;
let members = self.members.to_vec();
let recv = Filter::new()
.kind(Kind::PrivateDirectMessage)
.author(owner)
.pubkeys(members.clone());
let send = Filter::new()
.kind(Kind::PrivateDirectMessage)
.authors(members)
.pubkey(owner);
async move {
let events = async_cx
.background_executor()
.spawn(async move { client.database().query(vec![recv, send]).await })
.await;
if let Ok(events) = events {
let mut items: Vec<RoomMessage> = Vec::new();
for event in events.into_iter().sorted_by_key(|ev| ev.created_at) {
let metadata = async_cx
.background_executor()
.spawn(
async move { client.database().metadata(event.pubkey).await },
)
.await;
let message = if let Ok(metadata) = metadata {
RoomMessage::new(
event.pubkey,
metadata,
event.content,
event.created_at,
)
} else {
RoomMessage::new(
event.pubkey,
None,
event.content,
event.created_at,
)
};
items.push(message);
}
let total = items.len();
_ = async_cx.update_model(&async_messages, |a, b| {
a.items = items;
a.count = total;
b.notify();
});
}
}
})
.detach();
}
pub fn subscribe(&self, cx: &mut ViewContext<Self>) {
let room_id = self.id.clone();
let messages = self.messages.clone();
let state = cx.global::<ChatRegistry>().messages();
if let Some(state) = state.upgrade() {
cx.observe(&state, move |_, model, cx| {
let new_messages = model.read(cx).read().unwrap().get(&room_id).cloned();
if let Some(new_messages) = new_messages {
let items: Vec<RoomMessage> = new_messages
.read()
.unwrap()
.clone()
.into_iter()
.map(|m| {
RoomMessage::new(
m.event.pubkey,
m.metadata,
m.event.content,
m.event.created_at,
)
})
.collect();
cx.update_model(&messages, |model, cx| {
model.items.extend(items);
model.count = model.items.len();
cx.notify();
});
}
})
.detach();
}
}
fn send_message(&mut self, cx: &mut ViewContext<Self>) {
let members = self.members.clone();
let members2 = members.clone();
let content = self.input.read(cx).text().to_string();
let content2 = content.clone();
let content3 = content2.clone();
let async_input = self.input.clone();
let async_messages = self.messages.clone();
let mut async_cx = cx.to_async();
cx.foreground_executor()
.spawn({
let client = get_client();
async move {
let current_user = async_cx
.background_executor()
.spawn(async move {
let signer = client.signer().await.unwrap();
signer.get_public_key().await.unwrap()
})
.await;
// Send message to all members
async_cx
.background_executor()
.spawn(async move {
for member in members.iter() {
let tags: Vec<Tag> = members
.iter()
.filter_map(|public_key| {
if public_key != member {
Some(Tag::public_key(*public_key))
} else {
None
}
})
.collect();
_ = client.send_private_msg(*member, &content, tags).await;
}
})
.detach();
// Send a copy to yourself
async_cx
.background_executor()
.spawn(async move {
let tags: Vec<Tag> = members2
.iter()
.filter_map(|public_key| {
if public_key != &current_user {
Some(Tag::public_key(*public_key))
} else {
None
}
})
.collect();
_ = client.send_private_msg(current_user, content2, tags).await;
})
.detach();
// Create a new room message
let new_message: anyhow::Result<RoomMessage, anyhow::Error> = async_cx
.background_executor()
.spawn(async move {
let metadata = client.database().metadata(current_user).await?;
let created_at = Timestamp::now();
let message =
RoomMessage::new(current_user, metadata, content3, created_at);
Ok(message)
})
.await;
if let Ok(message) = new_message {
_ = async_cx.update_model(&async_messages, |model, cx| {
model.items.extend(vec![message]);
model.count = model.items.len();
cx.notify();
});
_ = async_cx.update_view(&async_input, |input, cx| {
input.set_text("", cx);
});
}
}
})
.detach();
}
}
impl Render for RoomPanel {
fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
v_flex()
.size_full()
.child(list(self.list.clone()).flex_1())
.child(
div()
.flex_shrink_0()
.w_full()
.h_12()
.flex()
.items_center()
.gap_2()
.px_2()
.child(
Button::new("upload")
.icon(Icon::new(IconName::Upload))
.ghost()
.on_click(|_, cx| {
let paths = cx.prompt_for_paths(PathPromptOptions {
files: true,
directories: false,
multiple: false,
});
cx.spawn(move |_async_cx| async move {
match Flatten::flatten(paths.await.map_err(|e| e.into())) {
Ok(Some(paths)) => {
// TODO: upload file to blossom server
println!("Paths: {:?}", paths)
}
Ok(None) => {}
Err(_) => {}
}
})
.detach();
}),
)
.child(
div()
.flex_1()
.flex()
.bg(cx.theme().muted)
.rounded(px(cx.theme().radius))
.px_2()
.child(self.input.clone()),
),
)
}
}