Files
coop/crates/app/src/views/chat/mod.rs
2025-01-15 09:11:21 +07:00

388 lines
13 KiB
Rust

use crate::{
get_client,
states::chat::room::Room,
utils::{ago, compare},
};
use gpui::{
div, list, px, AnyElement, AppContext, Context, EventEmitter, Flatten, FocusHandle,
FocusableView, IntoElement, ListAlignment, ListState, Model, ParentElement, PathPromptOptions,
Pixels, Render, SharedString, Styled, View, ViewContext, VisualContext, WeakModel, WeakView,
WindowContext,
};
use itertools::Itertools;
use message::Message;
use nostr_sdk::prelude::*;
use std::sync::Arc;
use ui::{
button::{Button, ButtonVariants},
dock_area::{
panel::{Panel, PanelEvent},
state::PanelState,
},
input::{InputEvent, TextInput},
popup_menu::PopupMenu,
theme::{scale::ColorScaleStep, ActiveTheme},
v_flex, Icon, IconName,
};
mod message;
#[derive(Clone)]
pub struct State {
count: usize,
items: Vec<Message>,
}
pub struct ChatPanel {
// Panel
closeable: bool,
zoomable: bool,
focus_handle: FocusHandle,
// Chat Room
id: SharedString,
name: SharedString,
room: Model<Room>,
state: Model<State>,
list: ListState,
input: View<TextInput>,
}
impl ChatPanel {
pub fn new(model: Model<Room>, cx: &mut WindowContext) -> View<Self> {
let room = model.read(cx);
let id = room.id.to_string().into();
let name = room.title.clone().unwrap_or("Untitled".into());
cx.observe_new_views::<Self>(|this, cx| {
this.load_messages(cx);
})
.detach();
cx.new_view(|cx| {
// Form
let input = cx.new_view(|cx| {
TextInput::new(cx)
.appearance(false)
.text_size(ui::Size::Small)
.placeholder("Message...")
.cleanable()
});
let state = cx.new_model(|_| State {
count: 0,
items: vec![],
});
// Send message when user presses enter
cx.subscribe(
&input,
move |this: &mut ChatPanel, view, input_event, cx| {
if let InputEvent::PressEnter = input_event {
this.send_message(view.downgrade(), cx);
}
},
)
.detach();
// Update list on every state changes
cx.observe(&state, |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();
cx.observe(&model, |this, model, cx| {
this.load_new_messages(model.downgrade(), cx);
})
.detach();
Self {
closeable: true,
zoomable: true,
focus_handle: cx.focus_handle(),
room: model,
list: ListState::new(0, ListAlignment::Bottom, Pixels(256.), move |_, _| {
div().into_any_element()
}),
id,
name,
input,
state,
}
})
}
fn load_messages(&self, cx: &mut ViewContext<Self>) {
let room = self.room.read(cx);
let members = room.members.clone();
let owner = room.owner.clone();
// Get all public keys
let all_keys = room.get_all_keys();
// Async
let async_state = self.state.clone();
let mut async_cx = cx.to_async();
cx.foreground_executor()
.spawn(async move {
let events: anyhow::Result<Events, anyhow::Error> = async_cx
.background_executor()
.spawn({
let client = get_client();
let pubkeys = members.iter().map(|m| m.public_key()).collect::<Vec<_>>();
async move {
let signer = client.signer().await?;
let author = signer.get_public_key().await?;
let recv = Filter::new()
.kind(Kind::PrivateDirectMessage)
.author(author)
.pubkeys(pubkeys.clone());
let send = Filter::new()
.kind(Kind::PrivateDirectMessage)
.authors(pubkeys)
.pubkey(author);
// Get all DM events in database
let query = client.database().query(vec![recv, send]).await?;
Ok(query)
}
})
.await;
if let Ok(events) = events {
let items: Vec<Message> = events
.into_iter()
.sorted_by_key(|ev| ev.created_at)
.filter_map(|ev| {
let mut pubkeys: Vec<_> = ev.tags.public_keys().copied().collect();
pubkeys.push(ev.pubkey);
if compare(&pubkeys, &all_keys) {
let member = if let Some(member) =
members.iter().find(|&m| m.public_key() == ev.pubkey)
{
member.to_owned()
} else {
owner.clone()
};
Some(Message::new(
member,
ev.content.into(),
ago(ev.created_at).into(),
))
} else {
None
}
})
.collect();
let total = items.len();
_ = async_cx.update_model(&async_state, |a, b| {
a.items = items;
a.count = total;
b.notify();
});
}
})
.detach();
}
fn load_new_messages(&self, model: WeakModel<Room>, cx: &mut ViewContext<Self>) {
if let Some(model) = model.upgrade() {
let room = model.read(cx);
let items: Vec<Message> = room
.new_messages
.iter()
.filter_map(|event| {
room.member(&event.pubkey).map(|member| {
Message::new(
member,
event.content.clone().into(),
ago(event.created_at).into(),
)
})
})
.collect();
cx.update_model(&self.state, |model, cx| {
model.items.extend(items);
model.count = model.items.len();
cx.notify();
});
}
}
fn send_message(&mut self, view: WeakView<TextInput>, cx: &mut ViewContext<Self>) {
let room = self.room.read(cx);
let content = Arc::new(self.input.read(cx).text().to_string());
let owner = room.owner.clone();
let mut members = room.members.to_vec();
members.push(owner.clone());
// Async
let async_state = self.state.clone();
let mut async_cx = cx.to_async();
cx.foreground_executor()
.spawn(async move {
// Send message to all members
async_cx
.background_executor()
.spawn({
let client = get_client();
let content = Arc::clone(&content).to_string();
let tags: Vec<Tag> = members
.iter()
.filter_map(|m| {
if m.public_key() != owner.public_key() {
Some(Tag::public_key(m.public_key()))
} else {
None
}
})
.collect();
async move {
// Send message to all members
for member in members.iter() {
_ = client
.send_private_msg(member.public_key(), &content, tags.clone())
.await
}
}
})
.detach();
_ = async_cx.update_model(&async_state, |model, cx| {
let message = Message::new(
owner,
content.to_string().into(),
ago(Timestamp::now()).into(),
);
model.items.extend(vec![message]);
model.count = model.items.len();
cx.notify();
});
if let Some(input) = view.upgrade() {
_ = async_cx.update_view(&input, |input, cx| {
input.set_text("", cx);
});
}
})
.detach();
}
}
impl Panel for ChatPanel {
fn panel_id(&self) -> SharedString {
self.id.clone()
}
fn panel_metadata(&self) -> Option<Metadata> {
None
}
fn title(&self, _cx: &WindowContext) -> AnyElement {
self.name.clone().into_any_element()
}
fn closeable(&self, _cx: &WindowContext) -> bool {
self.closeable
}
fn zoomable(&self, _cx: &WindowContext) -> bool {
self.zoomable
}
fn popup_menu(&self, menu: PopupMenu, _cx: &WindowContext) -> PopupMenu {
menu.track_focus(&self.focus_handle)
}
fn toolbar_buttons(&self, _cx: &WindowContext) -> Vec<Button> {
vec![]
}
fn dump(&self, _cx: &AppContext) -> PanelState {
PanelState::new(self)
}
}
impl EventEmitter<PanelEvent> for ChatPanel {}
impl FocusableView for ChatPanel {
fn focus_handle(&self, _: &AppContext) -> FocusHandle {
self.focus_handle.clone()
}
}
impl Render for ChatPanel {
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().base.step(cx, ColorScaleStep::FOUR))
.rounded(px(cx.theme().radius))
.px_2()
.child(self.input.clone()),
),
)
}
}