Files
coop/crates/workspace/src/panels/search.rs
T
2026-09-23 08:53:20 +07:00

564 lines
19 KiB
Rust

use std::collections::HashSet;
use std::ops::Range;
use anyhow::Error;
use chat::{ChatRegistry, Room, RoomKind};
use common::DebouncedDelay;
use gpui::prelude::FluentBuilder;
use gpui::{
AnyElement, App, AppContext, Context, ElementId, Entity, EventEmitter, FocusHandle, Focusable,
IntoElement, ParentElement, Render, SharedString, Styled, Subscription, Task, WeakEntity,
Window, div, uniform_list,
};
use instant::Duration;
use nostr_sdk::prelude::*;
use person::PersonRegistry;
use smallvec::{SmallVec, smallvec};
use state::{FIND_DELAY, NostrRegistry};
use theme::ActiveTheme;
use ui::button::{Button, ButtonVariants};
use ui::dock::{DockArea, DockPlacement, Panel, PanelEvent, PanelHandle};
use ui::input::{Input, InputEvent, InputState};
use ui::notification::Notification;
use ui::{Icon, IconName, Selectable, Sizable, StyledExt, WindowExtension, h_flex, v_flex};
use crate::sidebar::{TreeRow, TreeRowKind};
const INPUT_PLACEHOLDER: &str = "Find or start a conversation";
pub fn init(dock: WeakEntity<DockArea>, window: &mut Window, cx: &mut App) -> Entity<SearchPanel> {
cx.new(|cx| SearchPanel::new(dock, window, cx))
}
pub struct SearchPanel {
name: SharedString,
focus_handle: FocusHandle,
/// The dock a started chat opens in
dock: WeakEntity<DockArea>,
/// Find input state
find_input: Entity<InputState>,
/// Debounced delay for find input
find_debouncer: DebouncedDelay<Self>,
/// Whether a search is in progress
finding: bool,
/// Find results
find_results: Entity<Option<Vec<PublicKey>>>,
/// Async find operation
find_task: Option<Task<Result<(), Error>>>,
/// Selected public keys
selected_pkeys: Entity<HashSet<PublicKey>>,
/// User's contacts
contact_list: Entity<Option<Vec<PublicKey>>>,
/// Async tasks
tasks: SmallVec<[Task<Result<(), Error>>; 1]>,
/// Event subscriptions
_subscriptions: SmallVec<[Subscription; 1]>,
}
impl SearchPanel {
fn new(dock: WeakEntity<DockArea>, window: &mut Window, cx: &mut Context<Self>) -> Self {
let contact_list = cx.new(|_| None);
let selected_pkeys = cx.new(|_| HashSet::new());
let find_results = cx.new(|_| None);
let find_input = cx.new(|cx| {
InputState::new(window, cx)
.placeholder(INPUT_PLACEHOLDER)
.clean_on_escape()
});
let mut subscriptions = smallvec![];
subscriptions.push(
// Subscribe to find input events
cx.subscribe_in(&find_input, window, |this, state, event, window, cx| {
let delay = Duration::from_millis(FIND_DELAY);
match event {
InputEvent::PressEnter { .. } => {
this.search(window, cx);
}
InputEvent::Change => {
if state.read(cx).value().is_empty() {
// Clear results when input is empty
this.reset(window, cx);
} else {
// Run debounced search
this.find_debouncer
.fire_new(delay, window, cx, |this, window, cx| {
this.debounced_search(window, cx)
});
}
}
InputEvent::Focus => {
this.get_contact_list(window, cx);
}
_ => {}
};
}),
);
Self {
name: "Search".into(),
focus_handle: cx.focus_handle(),
dock,
find_input,
find_debouncer: DebouncedDelay::new(),
find_results,
find_task: None,
finding: false,
contact_list,
selected_pkeys,
tasks: smallvec![],
_subscriptions: subscriptions,
}
}
/// Get the contact list.
fn get_contact_list(&mut self, window: &mut Window, cx: &mut Context<Self>) {
let nostr = NostrRegistry::global(cx);
let client = nostr.read(cx).client();
let Some(public_key) = nostr.read(cx).current_user() else {
return;
};
let task: Task<Result<HashSet<PublicKey>, Error>> = cx.background_spawn(async move {
let filter = Filter::new()
.author(public_key)
.kind(Kind::ContactList)
.limit(1);
let contacts: HashSet<PublicKey> = client
.database()
.query(filter)
.await?
.into_iter()
.next()
.map(|event| event.tags.public_keys().collect())
.unwrap_or_default();
Ok(contacts)
});
self.tasks.push(cx.spawn_in(window, async move |this, cx| {
match task.await {
Ok(contacts) => {
this.update(cx, |this, cx| {
this.set_contact_list(contacts, cx);
})?;
}
Err(e) => {
cx.update(|window, cx| {
window.push_notification(
Notification::error(e.to_string()).autohide(false),
cx,
);
})?;
}
};
Ok(())
}));
}
/// Set the contact list with new contacts.
fn set_contact_list<I>(&mut self, contacts: I, cx: &mut Context<Self>)
where
I: IntoIterator<Item = PublicKey>,
{
self.contact_list.update(cx, |this, cx| {
*this = Some(contacts.into_iter().collect());
cx.notify();
});
}
/// Trigger the debounced search
fn debounced_search(&self, window: &mut Window, cx: &mut Context<Self>) -> Task<()> {
cx.spawn_in(window, async move |this, cx| {
this.update_in(cx, |this, window, cx| {
this.search(window, cx);
})
.ok();
})
}
/// Search
fn search(&mut self, window: &mut Window, cx: &mut Context<Self>) {
// Get query
let query = self.find_input.read(cx).value();
// Return if the query is empty
if query.is_empty() {
return;
}
// Block the input until the search completes
self.set_finding(true, window, cx);
// Create the search task
let nostr = NostrRegistry::global(cx);
let find_users = nostr.read(cx).search(&query, cx);
// Run task in the main thread
self.find_task = Some(cx.spawn_in(window, async move |this, cx| {
let rooms = find_users.await?;
// Update the UI with the search results
this.update_in(cx, |this, window, cx| {
this.set_results(rooms, cx);
this.set_finding(false, window, cx);
})?;
Ok(())
}));
}
/// Set the results of the search
fn set_results(&mut self, results: Vec<PublicKey>, cx: &mut Context<Self>) {
self.find_results.update(cx, |this, cx| {
*this = Some(results);
cx.notify();
});
}
/// Set the finding status
fn set_finding(&mut self, status: bool, window: &mut Window, cx: &mut Context<Self>) {
// Disable the input to prevent duplicate requests
self.find_input.update(cx, |this, cx| {
this.set_loading(status, window, cx);
});
// Set the search status
self.finding = status;
cx.notify();
}
fn reset(&mut self, window: &mut Window, cx: &mut Context<Self>) {
// Clear all search results
self.find_results.update(cx, |this, cx| {
*this = None;
cx.notify();
});
// Clear all selected public keys
self.selected_pkeys.update(cx, |this, cx| {
this.clear();
cx.notify();
});
// Reset the search status
self.set_finding(false, window, cx);
// Cancel the current search task
self.find_task = None;
cx.notify();
}
/// Select a public key in the search panel.
fn select(&mut self, public_key: &PublicKey, cx: &mut Context<Self>) {
self.selected_pkeys.update(cx, |this, cx| {
if this.contains(public_key) {
this.remove(public_key);
} else {
this.insert(public_key.to_owned());
}
cx.notify();
});
}
/// Check if a public key is selected in the search panel.
fn is_selected(&self, public_key: &PublicKey, cx: &App) -> bool {
self.selected_pkeys.read(cx).contains(public_key)
}
/// Get all selected public keys in the search panel.
fn get_selected(&self, cx: &Context<Self>) -> HashSet<PublicKey> {
self.selected_pkeys.read(cx).clone()
}
/// Create a new room
fn create_room(&mut self, window: &mut Window, cx: &mut Context<Self>) {
let chat = ChatRegistry::global(cx);
let async_chat = chat.downgrade();
let dock = self.dock.clone();
let nostr = NostrRegistry::global(cx);
let Some(public_key) = nostr.read(cx).current_user() else {
return;
};
// Get all selected public keys
let receivers = self.get_selected(cx);
self.tasks.push(cx.spawn_in(window, async move |this, cx| {
// Create a new room and register it
let room = async_chat.update_in(cx, |chat, _window, cx| {
let room = cx.new(|_| {
Room::new(public_key, receivers)
.organize(&public_key)
.kind(RoomKind::Ongoing)
});
chat.track_room(&room, cx);
room
})?;
// Open it in the dock
cx.update(|window, cx| {
ui::dock::add_panel_to(
&dock,
PanelHandle::new(chat_ui::init(room.downgrade(), window, cx)),
DockPlacement::Center,
window,
cx,
);
})?;
// Reset the find panel
this.update_in(cx, |this, window, cx| {
this.reset(window, cx);
})?;
Ok(())
}));
}
/// Render the search results
fn render_results(
&self,
range: Range<usize>,
cx: &Context<Self>,
) -> Vec<impl IntoElement + use<>> {
let persons = PersonRegistry::global(cx);
// Get the results
let Some(results) = self.find_results.read(cx) else {
return vec![];
};
// Map the results to a list of elements
results
.get(range.clone())
.into_iter()
.flatten()
.enumerate()
.map(|(ix, public_key)| {
let selected = self.is_selected(public_key, cx);
let profile = persons.read(cx).get(public_key, cx);
let pkey_clone = public_key.to_owned();
let handler = cx.listener(move |this, _ev, _window, cx| {
this.select(&pkey_clone, cx);
});
TreeRow::new(
ElementId::NamedInteger("search-result".into(), (range.start + ix) as u64),
TreeRowKind::Room,
profile.name(),
)
.avatar(profile.avatar_seed())
.picture(profile.avatar())
.on_click(handler)
.selected(selected)
.into_any_element()
})
.collect()
}
/// Render the contact list
fn render_contacts(
&self,
range: Range<usize>,
cx: &Context<Self>,
) -> Vec<impl IntoElement + use<>> {
let persons = PersonRegistry::global(cx);
// Get the contact list
let Some(contacts) = self.contact_list.read(cx) else {
return vec![];
};
// Map the contact list to a list of elements
contacts
.get(range.clone())
.into_iter()
.flatten()
.enumerate()
.map(|(ix, public_key)| {
let selected = self.is_selected(public_key, cx);
let profile = persons.read(cx).get(public_key, cx);
let pkey_clone = public_key.to_owned();
let handler = cx.listener(move |this, _ev, _window, cx| {
this.select(&pkey_clone, cx);
});
TreeRow::new(
ElementId::NamedInteger("contact".into(), (range.start + ix) as u64),
TreeRowKind::Room,
profile.name().trim(),
)
.avatar(profile.avatar_seed())
.picture(profile.avatar())
.on_click(handler)
.selected(selected)
.into_any_element()
})
.collect()
}
}
impl Panel for SearchPanel {
fn panel_id(&self) -> SharedString {
self.name.clone()
}
fn title(&self, cx: &App) -> AnyElement {
h_flex()
.gap_1p5()
.child(
Icon::new(IconName::Search)
.small()
.text_color(cx.theme().icon_muted),
)
.child(self.name.clone())
.into_any_element()
}
}
impl EventEmitter<PanelEvent> for SearchPanel {}
impl Focusable for SearchPanel {
fn focus_handle(&self, _: &App) -> FocusHandle {
self.focus_handle.clone()
}
}
impl Render for SearchPanel {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let nostr = NostrRegistry::global(cx);
let chat = ChatRegistry::global(cx);
let logged_in = nostr.read(cx).current_user().is_some();
let loading = chat.read(cx).loading() && logged_in;
// Set button label based on total selected users
let button_label = if self.selected_pkeys.read(cx).len() > 1 {
"Create Group DM"
} else {
"Create DM"
};
v_flex()
.size_full()
.gap_3()
.p_2()
.child(
h_flex().child(
Input::new(&self.find_input)
.small()
.text_xs()
.disabled(loading)
.when(
!self.find_input.read(cx).presentation().is_loading(),
|this| {
this.suffix(
Button::new("find-icon")
.icon(IconName::Search)
.tooltip("Press Enter to search")
.transparent()
.small(),
)
},
),
),
)
.child(
v_flex()
.flex_1()
.gap_3()
.when_some(self.find_results.read(cx).as_ref(), |this, results| {
this.child(
v_flex()
.gap_1()
.flex_1()
.border_b_1()
.border_color(cx.theme().border_variant)
.child(
h_flex()
.gap_0p5()
.text_xs()
.font_semibold()
.text_color(cx.theme().text_muted)
.child(Icon::new(IconName::ChevronDown))
.child("Results"),
)
.child(
uniform_list(
"rooms",
results.len(),
cx.processor(move |this, range, _window, cx| {
this.render_results(range, cx)
}),
)
.flex_1()
.h_full(),
),
)
})
.when_some(self.contact_list.read(cx).as_ref(), |this, contacts| {
this.child(
v_flex()
.gap_1()
.flex_1()
.child(
h_flex()
.gap_0p5()
.text_xs()
.font_semibold()
.text_color(cx.theme().text_muted)
.child(Icon::new(IconName::ChevronDown).small())
.child("Contacts"),
)
.child(
uniform_list(
"contacts",
contacts.len(),
cx.processor(|this, range, _window, cx| {
this.render_contacts(range, cx)
}),
)
.flex_1()
.h_full(),
),
)
}),
)
.when(!self.selected_pkeys.read(cx).is_empty(), |this| {
this.child(
div()
.absolute()
.bottom_2()
.left_0()
.h_9()
.w_full()
.px_4()
.child(
Button::new("create")
.label(button_label)
.primary()
.rounded()
.shadow_md()
.on_click(cx.listener(move |this, _ev, window, cx| {
this.create_room(window, cx);
})),
),
)
})
}
}