ZIm/crates/agent_ui/src/acp/thread_history.rs
2025-08-25 22:54:12 +02:00

784 lines
27 KiB
Rust

use crate::acp::AcpThreadView;
use crate::{AgentPanel, RemoveSelectedThread};
use agent2::{HistoryEntry, HistoryStore};
use chrono::{Datelike as _, Local, NaiveDate, TimeDelta};
use editor::{Editor, EditorEvent};
use fuzzy::StringMatchCandidate;
use gpui::{
App, Entity, EventEmitter, FocusHandle, Focusable, ScrollStrategy, Task,
UniformListScrollHandle, WeakEntity, Window, uniform_list,
};
use std::{fmt::Display, ops::Range};
use text::Bias;
use time::{OffsetDateTime, UtcOffset};
use ui::{
HighlightedLabel, IconButtonShape, ListItem, ListItemSpacing, Tooltip, WithScrollbar,
prelude::*,
};
pub struct AcpThreadHistory {
pub(crate) history_store: Entity<HistoryStore>,
scroll_handle: UniformListScrollHandle,
selected_index: usize,
hovered_index: Option<usize>,
search_editor: Entity<Editor>,
search_query: SharedString,
visible_items: Vec<ListItemType>,
local_timezone: UtcOffset,
_update_task: Task<()>,
_subscriptions: Vec<gpui::Subscription>,
}
enum ListItemType {
BucketSeparator(TimeBucket),
Entry {
entry: HistoryEntry,
format: EntryTimeFormat,
},
SearchResult {
entry: HistoryEntry,
positions: Vec<usize>,
},
}
impl ListItemType {
fn history_entry(&self) -> Option<&HistoryEntry> {
match self {
ListItemType::Entry { entry, .. } => Some(entry),
ListItemType::SearchResult { entry, .. } => Some(entry),
_ => None,
}
}
}
pub enum ThreadHistoryEvent {
Open(HistoryEntry),
}
impl EventEmitter<ThreadHistoryEvent> for AcpThreadHistory {}
impl AcpThreadHistory {
pub(crate) fn new(
history_store: Entity<agent2::HistoryStore>,
window: &mut Window,
cx: &mut Context<Self>,
) -> Self {
let search_editor = cx.new(|cx| {
let mut editor = Editor::single_line(window, cx);
editor.set_placeholder_text("Search threads...", cx);
editor
});
let search_editor_subscription =
cx.subscribe(&search_editor, |this, search_editor, event, cx| {
if let EditorEvent::BufferEdited = event {
let query = search_editor.read(cx).text(cx);
if this.search_query != query {
this.search_query = query.into();
this.update_visible_items(false, cx);
}
}
});
let history_store_subscription = cx.observe(&history_store, |this, _, cx| {
this.update_visible_items(true, cx);
});
let scroll_handle = UniformListScrollHandle::default();
let mut this = Self {
history_store,
scroll_handle,
selected_index: 0,
hovered_index: None,
visible_items: Default::default(),
search_editor,
local_timezone: UtcOffset::from_whole_seconds(
chrono::Local::now().offset().local_minus_utc(),
)
.unwrap(),
search_query: SharedString::default(),
_subscriptions: vec![search_editor_subscription, history_store_subscription],
_update_task: Task::ready(()),
};
this.update_visible_items(false, cx);
this
}
fn update_visible_items(&mut self, preserve_selected_item: bool, cx: &mut Context<Self>) {
let entries = self
.history_store
.update(cx, |store, _| store.entries().collect());
let new_list_items = if self.search_query.is_empty() {
self.add_list_separators(entries, cx)
} else {
self.filter_search_results(entries, cx)
};
let selected_history_entry = if preserve_selected_item {
self.selected_history_entry().cloned()
} else {
None
};
self._update_task = cx.spawn(async move |this, cx| {
let new_visible_items = new_list_items.await;
this.update(cx, |this, cx| {
let new_selected_index = if let Some(history_entry) = selected_history_entry {
let history_entry_id = history_entry.id();
new_visible_items
.iter()
.position(|visible_entry| {
visible_entry
.history_entry()
.is_some_and(|entry| entry.id() == history_entry_id)
})
.unwrap_or(0)
} else {
0
};
this.visible_items = new_visible_items;
this.set_selected_index(new_selected_index, Bias::Right, cx);
cx.notify();
})
.ok();
});
}
fn add_list_separators(&self, entries: Vec<HistoryEntry>, cx: &App) -> Task<Vec<ListItemType>> {
cx.background_spawn(async move {
let mut items = Vec::with_capacity(entries.len() + 1);
let mut bucket = None;
let today = Local::now().naive_local().date();
for entry in entries.into_iter() {
let entry_date = entry
.updated_at()
.with_timezone(&Local)
.naive_local()
.date();
let entry_bucket = TimeBucket::from_dates(today, entry_date);
if Some(entry_bucket) != bucket {
bucket = Some(entry_bucket);
items.push(ListItemType::BucketSeparator(entry_bucket));
}
items.push(ListItemType::Entry {
entry,
format: entry_bucket.into(),
});
}
items
})
}
fn filter_search_results(
&self,
entries: Vec<HistoryEntry>,
cx: &App,
) -> Task<Vec<ListItemType>> {
let query = self.search_query.clone();
cx.background_spawn({
let executor = cx.background_executor().clone();
async move {
let mut candidates = Vec::with_capacity(entries.len());
for (idx, entry) in entries.iter().enumerate() {
candidates.push(StringMatchCandidate::new(idx, entry.title()));
}
const MAX_MATCHES: usize = 100;
let matches = fuzzy::match_strings(
&candidates,
&query,
false,
true,
MAX_MATCHES,
&Default::default(),
executor,
)
.await;
matches
.into_iter()
.map(|search_match| ListItemType::SearchResult {
entry: entries[search_match.candidate_id].clone(),
positions: search_match.positions,
})
.collect()
}
})
}
fn search_produced_no_matches(&self) -> bool {
self.visible_items.is_empty() && !self.search_query.is_empty()
}
fn selected_history_entry(&self) -> Option<&HistoryEntry> {
self.get_history_entry(self.selected_index)
}
fn get_history_entry(&self, visible_items_ix: usize) -> Option<&HistoryEntry> {
self.visible_items.get(visible_items_ix)?.history_entry()
}
fn set_selected_index(&mut self, mut index: usize, bias: Bias, cx: &mut Context<Self>) {
if self.visible_items.len() == 0 {
self.selected_index = 0;
return;
}
while matches!(
self.visible_items.get(index),
None | Some(ListItemType::BucketSeparator(..))
) {
index = match bias {
Bias::Left => {
if index == 0 {
self.visible_items.len() - 1
} else {
index - 1
}
}
Bias::Right => {
if index >= self.visible_items.len() - 1 {
0
} else {
index + 1
}
}
};
}
self.selected_index = index;
self.scroll_handle
.scroll_to_item(index, ScrollStrategy::Top);
cx.notify()
}
pub fn select_previous(
&mut self,
_: &menu::SelectPrevious,
_window: &mut Window,
cx: &mut Context<Self>,
) {
if self.selected_index == 0 {
self.set_selected_index(self.visible_items.len() - 1, Bias::Left, cx);
} else {
self.set_selected_index(self.selected_index - 1, Bias::Left, cx);
}
}
pub fn select_next(
&mut self,
_: &menu::SelectNext,
_window: &mut Window,
cx: &mut Context<Self>,
) {
if self.selected_index == self.visible_items.len() - 1 {
self.set_selected_index(0, Bias::Right, cx);
} else {
self.set_selected_index(self.selected_index + 1, Bias::Right, cx);
}
}
fn select_first(
&mut self,
_: &menu::SelectFirst,
_window: &mut Window,
cx: &mut Context<Self>,
) {
self.set_selected_index(0, Bias::Right, cx);
}
fn select_last(&mut self, _: &menu::SelectLast, _window: &mut Window, cx: &mut Context<Self>) {
self.set_selected_index(self.visible_items.len() - 1, Bias::Left, cx);
}
fn confirm(&mut self, _: &menu::Confirm, _window: &mut Window, cx: &mut Context<Self>) {
self.confirm_entry(self.selected_index, cx);
}
fn confirm_entry(&mut self, ix: usize, cx: &mut Context<Self>) {
let Some(entry) = self.get_history_entry(ix) else {
return;
};
cx.emit(ThreadHistoryEvent::Open(entry.clone()));
}
fn remove_selected_thread(
&mut self,
_: &RemoveSelectedThread,
_window: &mut Window,
cx: &mut Context<Self>,
) {
self.remove_thread(self.selected_index, cx)
}
fn remove_thread(&mut self, visible_item_ix: usize, cx: &mut Context<Self>) {
let Some(entry) = self.get_history_entry(visible_item_ix) else {
return;
};
let task = match entry {
HistoryEntry::AcpThread(thread) => self
.history_store
.update(cx, |this, cx| this.delete_thread(thread.id.clone(), cx)),
HistoryEntry::TextThread(context) => self.history_store.update(cx, |this, cx| {
this.delete_text_thread(context.path.clone(), cx)
}),
};
task.detach_and_log_err(cx);
}
fn render_list_items(
&mut self,
range: Range<usize>,
_window: &mut Window,
cx: &mut Context<Self>,
) -> Vec<AnyElement> {
self.visible_items
.get(range.clone())
.into_iter()
.flatten()
.enumerate()
.map(|(ix, item)| self.render_list_item(item, range.start + ix, cx))
.collect()
}
fn render_list_item(&self, item: &ListItemType, ix: usize, cx: &Context<Self>) -> AnyElement {
match item {
ListItemType::Entry { entry, format } => self
.render_history_entry(entry, *format, ix, Vec::default(), cx)
.into_any(),
ListItemType::SearchResult { entry, positions } => self.render_history_entry(
entry,
EntryTimeFormat::DateAndTime,
ix,
positions.clone(),
cx,
),
ListItemType::BucketSeparator(bucket) => div()
.px(DynamicSpacing::Base06.rems(cx))
.pt_2()
.pb_1()
.child(
Label::new(bucket.to_string())
.size(LabelSize::XSmall)
.color(Color::Muted),
)
.into_any_element(),
}
}
fn render_history_entry(
&self,
entry: &HistoryEntry,
format: EntryTimeFormat,
ix: usize,
highlight_positions: Vec<usize>,
cx: &Context<Self>,
) -> AnyElement {
let selected = ix == self.selected_index;
let hovered = Some(ix) == self.hovered_index;
let timestamp = entry.updated_at().timestamp();
let thread_timestamp = format.format_timestamp(timestamp, self.local_timezone);
h_flex()
.w_full()
.pb_1()
.child(
ListItem::new(ix)
.rounded()
.toggle_state(selected)
.spacing(ListItemSpacing::Sparse)
.start_slot(
h_flex()
.w_full()
.gap_2()
.justify_between()
.child(
HighlightedLabel::new(entry.title(), highlight_positions)
.size(LabelSize::Small)
.truncate(),
)
.child(
Label::new(thread_timestamp)
.color(Color::Muted)
.size(LabelSize::XSmall),
),
)
.on_hover(cx.listener(move |this, is_hovered, _window, cx| {
if *is_hovered {
this.hovered_index = Some(ix);
} else if this.hovered_index == Some(ix) {
this.hovered_index = None;
}
cx.notify();
}))
.end_slot::<IconButton>(if hovered {
Some(
IconButton::new("delete", IconName::Trash)
.shape(IconButtonShape::Square)
.icon_size(IconSize::XSmall)
.icon_color(Color::Muted)
.tooltip(move |window, cx| {
Tooltip::for_action("Delete", &RemoveSelectedThread, window, cx)
})
.on_click(
cx.listener(move |this, _, _, cx| this.remove_thread(ix, cx)),
),
)
} else {
None
})
.on_click(cx.listener(move |this, _, _, cx| this.confirm_entry(ix, cx))),
)
.into_any_element()
}
}
impl Focusable for AcpThreadHistory {
fn focus_handle(&self, cx: &App) -> FocusHandle {
self.search_editor.focus_handle(cx)
}
}
impl Render for AcpThreadHistory {
fn render(&mut self, window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
v_flex()
.key_context("ThreadHistory")
.size_full()
.on_action(cx.listener(Self::select_previous))
.on_action(cx.listener(Self::select_next))
.on_action(cx.listener(Self::select_first))
.on_action(cx.listener(Self::select_last))
.on_action(cx.listener(Self::confirm))
.on_action(cx.listener(Self::remove_selected_thread))
.when(!self.history_store.read(cx).is_empty(cx), |parent| {
parent.child(
h_flex()
.h(px(41.)) // Match the toolbar perfectly
.w_full()
.py_1()
.px_2()
.gap_2()
.justify_between()
.border_b_1()
.border_color(cx.theme().colors().border)
.child(
Icon::new(IconName::MagnifyingGlass)
.color(Color::Muted)
.size(IconSize::Small),
)
.child(self.search_editor.clone()),
)
})
.child({
let view = v_flex()
.id("list-container")
.relative()
.overflow_hidden()
.flex_grow();
if self.history_store.read(cx).is_empty(cx) {
view.justify_center()
.child(
h_flex().w_full().justify_center().child(
Label::new("You don't have any past threads yet.")
.size(LabelSize::Small),
),
)
} else if self.search_produced_no_matches() {
view.justify_center().child(
h_flex().w_full().justify_center().child(
Label::new("No threads match your search.").size(LabelSize::Small),
),
)
} else {
view.pr_5().child(
uniform_list(
"thread-history",
self.visible_items.len(),
cx.processor(|this, range: Range<usize>, window, cx| {
this.render_list_items(range, window, cx)
}),
)
.p_1()
.track_scroll(self.scroll_handle.clone())
.flex_grow()
.vertical_scrollbar_for(
self.scroll_handle.clone(),
window,
cx,
),
)
}
})
}
}
#[derive(IntoElement)]
pub struct AcpHistoryEntryElement {
entry: HistoryEntry,
thread_view: WeakEntity<AcpThreadView>,
selected: bool,
hovered: bool,
on_hover: Box<dyn Fn(&bool, &mut Window, &mut App) + 'static>,
}
impl AcpHistoryEntryElement {
pub fn new(entry: HistoryEntry, thread_view: WeakEntity<AcpThreadView>) -> Self {
Self {
entry,
thread_view,
selected: false,
hovered: false,
on_hover: Box::new(|_, _, _| {}),
}
}
pub fn hovered(mut self, hovered: bool) -> Self {
self.hovered = hovered;
self
}
pub fn on_hover(mut self, on_hover: impl Fn(&bool, &mut Window, &mut App) + 'static) -> Self {
self.on_hover = Box::new(on_hover);
self
}
}
impl RenderOnce for AcpHistoryEntryElement {
fn render(self, _window: &mut Window, _cx: &mut App) -> impl IntoElement {
let id = self.entry.id();
let title = self.entry.title();
let timestamp = self.entry.updated_at();
let formatted_time = {
let now = chrono::Utc::now();
let duration = now.signed_duration_since(timestamp);
if duration.num_days() > 0 {
format!("{}d", duration.num_days())
} else if duration.num_hours() > 0 {
format!("{}h ago", duration.num_hours())
} else if duration.num_minutes() > 0 {
format!("{}m ago", duration.num_minutes())
} else {
"Just now".to_string()
}
};
ListItem::new(id)
.rounded()
.toggle_state(self.selected)
.spacing(ListItemSpacing::Sparse)
.start_slot(
h_flex()
.w_full()
.gap_2()
.justify_between()
.child(Label::new(title).size(LabelSize::Small).truncate())
.child(
Label::new(formatted_time)
.color(Color::Muted)
.size(LabelSize::XSmall),
),
)
.on_hover(self.on_hover)
.end_slot::<IconButton>(if self.hovered || self.selected {
Some(
IconButton::new("delete", IconName::Trash)
.shape(IconButtonShape::Square)
.icon_size(IconSize::XSmall)
.icon_color(Color::Muted)
.tooltip(move |window, cx| {
Tooltip::for_action("Delete", &RemoveSelectedThread, window, cx)
})
.on_click({
let thread_view = self.thread_view.clone();
let entry = self.entry.clone();
move |_event, _window, cx| {
if let Some(thread_view) = thread_view.upgrade() {
thread_view.update(cx, |thread_view, cx| {
thread_view.delete_history_entry(entry.clone(), cx);
});
}
}
}),
)
} else {
None
})
.on_click({
let thread_view = self.thread_view.clone();
let entry = self.entry;
move |_event, window, cx| {
if let Some(workspace) = thread_view
.upgrade()
.and_then(|view| view.read(cx).workspace().upgrade())
{
match &entry {
HistoryEntry::AcpThread(thread_metadata) => {
if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
panel.update(cx, |panel, cx| {
panel.load_agent_thread(
thread_metadata.clone(),
window,
cx,
);
});
}
}
HistoryEntry::TextThread(context) => {
if let Some(panel) = workspace.read(cx).panel::<AgentPanel>(cx) {
panel.update(cx, |panel, cx| {
panel
.open_saved_prompt_editor(
context.path.clone(),
window,
cx,
)
.detach_and_log_err(cx);
});
}
}
}
}
}
})
}
}
#[derive(Clone, Copy)]
pub enum EntryTimeFormat {
DateAndTime,
TimeOnly,
}
impl EntryTimeFormat {
fn format_timestamp(&self, timestamp: i64, timezone: UtcOffset) -> String {
let timestamp = OffsetDateTime::from_unix_timestamp(timestamp).unwrap();
match self {
EntryTimeFormat::DateAndTime => time_format::format_localized_timestamp(
timestamp,
OffsetDateTime::now_utc(),
timezone,
time_format::TimestampFormat::EnhancedAbsolute,
),
EntryTimeFormat::TimeOnly => time_format::format_time(timestamp),
}
}
}
impl From<TimeBucket> for EntryTimeFormat {
fn from(bucket: TimeBucket) -> Self {
match bucket {
TimeBucket::Today => EntryTimeFormat::TimeOnly,
TimeBucket::Yesterday => EntryTimeFormat::TimeOnly,
TimeBucket::ThisWeek => EntryTimeFormat::DateAndTime,
TimeBucket::PastWeek => EntryTimeFormat::DateAndTime,
TimeBucket::All => EntryTimeFormat::DateAndTime,
}
}
}
#[derive(PartialEq, Eq, Clone, Copy, Debug)]
enum TimeBucket {
Today,
Yesterday,
ThisWeek,
PastWeek,
All,
}
impl TimeBucket {
fn from_dates(reference: NaiveDate, date: NaiveDate) -> Self {
if date == reference {
return TimeBucket::Today;
}
if date == reference - TimeDelta::days(1) {
return TimeBucket::Yesterday;
}
let week = date.iso_week();
if reference.iso_week() == week {
return TimeBucket::ThisWeek;
}
let last_week = (reference - TimeDelta::days(7)).iso_week();
if week == last_week {
return TimeBucket::PastWeek;
}
TimeBucket::All
}
}
impl Display for TimeBucket {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
TimeBucket::Today => write!(f, "Today"),
TimeBucket::Yesterday => write!(f, "Yesterday"),
TimeBucket::ThisWeek => write!(f, "This Week"),
TimeBucket::PastWeek => write!(f, "Past Week"),
TimeBucket::All => write!(f, "All"),
}
}
}
#[cfg(test)]
mod tests {
use super::*;
use chrono::NaiveDate;
#[test]
fn test_time_bucket_from_dates() {
let today = NaiveDate::from_ymd_opt(2023, 1, 15).unwrap();
let date = today;
assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::Today);
let date = NaiveDate::from_ymd_opt(2023, 1, 14).unwrap();
assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::Yesterday);
let date = NaiveDate::from_ymd_opt(2023, 1, 13).unwrap();
assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::ThisWeek);
let date = NaiveDate::from_ymd_opt(2023, 1, 11).unwrap();
assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::ThisWeek);
let date = NaiveDate::from_ymd_opt(2023, 1, 8).unwrap();
assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::PastWeek);
let date = NaiveDate::from_ymd_opt(2023, 1, 5).unwrap();
assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::PastWeek);
// All: not in this week or last week
let date = NaiveDate::from_ymd_opt(2023, 1, 1).unwrap();
assert_eq!(TimeBucket::from_dates(today, date), TimeBucket::All);
// Test year boundary cases
let new_year = NaiveDate::from_ymd_opt(2023, 1, 1).unwrap();
let date = NaiveDate::from_ymd_opt(2022, 12, 31).unwrap();
assert_eq!(
TimeBucket::from_dates(new_year, date),
TimeBucket::Yesterday
);
let date = NaiveDate::from_ymd_opt(2022, 12, 28).unwrap();
assert_eq!(TimeBucket::from_dates(new_year, date), TimeBucket::ThisWeek);
}
}