Files
signed/crates/workspace/src/views/repo_detail/issues.rs
T
2026-09-01 11:04:16 +07:00

422 lines
16 KiB
Rust

use std::rc::Rc;
use assets::CustomIconName;
use dock::{BasePanel, DockArea, DockPlacement, Panel, PanelEvent, panel_handle};
use gpui::prelude::*;
use gpui::{
AnyElement, App, Context, Entity, EventEmitter, FocusHandle, Focusable, Pixels, Render,
SharedString, Size, WeakEntity, Window, div, px, size,
};
use gpui_component::button::{Button, ButtonVariants};
use gpui_component::dialog::{DialogDescription, DialogFooter, DialogHeader, DialogTitle};
use gpui_component::form::{field, v_form};
use gpui_component::input::{Input, InputState, Textarea, TextareaState};
use gpui_component::scroll::Scrollbar;
use gpui_component::{
ActiveTheme, Icon, VirtualListScrollHandle, WindowExt, h_flex, v_flex, v_virtual_list,
};
use nostr::prelude::EventId;
use signed_core::{RepoStatus, activity_subject};
use signed_state::{ProfileStore, RepoStore};
use signed_ui::image_cache::{MAX_IMAGES, image_cache};
use signed_ui::{SegmentButton, UserAvatar, placeholder, status_badge};
use utils::relative_time;
use super::issue_detail::IssueDetailView;
/// Height of one issue row in the virtual list: `py_2` padding, a 32px
/// title line (`h_8`), a 24px meta line (`h_6`) and the 1px bottom border.
const ISSUE_ROW_HEIGHT: f32 = 73.;
/// Status filter of the issues list, chosen via the header's filter buttons.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum IssueFilter {
/// Every issue, regardless of status.
All,
/// Issues whose resolved status is [`RepoStatus::Open`].
Open,
/// Issues whose resolved status is [`RepoStatus::Closed`] or
/// [`RepoStatus::Applied`] (both are "done" states).
Closed,
}
impl IssueFilter {
/// Whether an issue with `status` is included by this filter.
fn matches(self, status: RepoStatus) -> bool {
match self {
Self::All => true,
Self::Open => status == RepoStatus::Open,
Self::Closed => matches!(status, RepoStatus::Closed | RepoStatus::Applied),
}
}
}
pub struct IssuesView {
focus_handle: FocusHandle,
/// Dock area the issue detail panel is opened in.
dock_area: WeakEntity<DockArea>,
/// Repo store holding the issues and their statuses.
store: Entity<RepoStore>,
/// Display name of the repository, for the panel title.
repo_name: SharedString,
/// Filter selected in the header filter buttons.
filter: IssueFilter,
/// Per-row heights of the virtual list.
item_sizes: Rc<Vec<Size<Pixels>>>,
/// Number of rows [`Self::item_sizes`] was built for (the filtered issue count).
issue_len: usize,
/// Indices into the store's `issues` matching [`Self::filter`]; the
/// virtual list renders this slice. Rebuilt only when the store
/// version or the filter changes, keyed by [`Self::cache_key`].
visible_issues: Vec<usize>,
/// Header counts `(total, open, closed)`, rebuilt with
/// [`Self::visible_issues`].
counts: (usize, usize, usize),
/// Store version and filter the cached rows/counts were built from.
cache_key: Option<(u64, IssueFilter)>,
/// Virtual list state of the issues list.
scroll_handle: VirtualListScrollHandle,
}
impl IssuesView {
pub fn new(
dock_area: WeakEntity<DockArea>,
store: Entity<RepoStore>,
repo_name: SharedString,
_window: &mut Window,
cx: &mut Context<Self>,
) -> Self {
Self {
focus_handle: cx.focus_handle(),
dock_area,
store,
repo_name,
filter: IssueFilter::Open,
item_sizes: Rc::new(Vec::new()),
issue_len: 0,
visible_issues: Vec::new(),
counts: (0, 0, 0),
cache_key: None,
scroll_handle: VirtualListScrollHandle::new(),
}
}
/// Open the detail panel of `issue_id` at the bottom of the dock area.
fn open_issue_detail(
&mut self,
issue_id: EventId,
window: &mut Window,
cx: &mut Context<Self>,
) {
let Some(dock_area) = self.dock_area.upgrade() else {
return;
};
let panel = cx.new(|cx| IssueDetailView::new(self.store.clone(), issue_id, window, cx));
dock_area.update(cx, |dock_area, cx| {
dock_area.add_panel_view(panel_handle(panel), DockPlacement::Center, None, window, cx);
});
}
/// Render one row of the issue list; `ix` is the row index and
/// `issue_ix` the index of the issue in the store's `issues`.
fn render_row(&self, ix: usize, issue_ix: usize, cx: &mut Context<Self>) -> AnyElement {
let issue = &self.store.read(cx).issues[issue_ix];
let title = activity_subject(issue);
let id_hex = issue.id.to_hex();
let profile = ProfileStore::global(cx).read(cx).get(&issue.pubkey);
let author = profile.name();
let picture = profile.picture();
let age = relative_time(issue.created_at);
let status = self.store.read(cx).status_of(issue);
let issue_id = issue.id;
h_flex()
.id(ix)
.w_full()
.gap_4()
.px_4()
.py_2()
.border_b_1()
.border_color(cx.theme().border)
.items_start()
.on_click(cx.listener(move |this, _event, window, cx| {
this.open_issue_detail(issue_id, window, cx);
}))
.child(status_badge(status, cx))
.child(
v_flex()
.flex_1()
.child(
div()
.h_8()
.min_w_0()
.text_ellipsis()
.whitespace_nowrap()
.line_clamp(1)
.text_sm()
.child(title),
)
.child(
h_flex()
.h_6()
.gap_2()
.text_xs()
.child(
h_flex()
.gap_1()
.child(UserAvatar::new(author.clone()).picture(picture))
.child(div().child(author)),
)
.child(SharedString::from("opened"))
.child(
div()
.text_color(cx.theme().muted_foreground)
.child(SharedString::from(&id_hex[..8])),
)
.child(SharedString::from(age)),
),
)
.hover(|this| this.bg(cx.theme().list_hover))
.into_any_element()
}
fn render_header(&self, cx: &mut Context<Self>) -> AnyElement {
// Counts of the last list rebuild (`render` rebuilds first when the
// store version or filter changed, so this is never stale).
let (total, open, closed) = self.counts;
h_flex()
.px_4()
.w_full()
.gap_3()
.border_b_1()
.border_color(cx.theme().border)
.bg(cx.theme().muted.opacity(0.5))
.child(
h_flex()
.h_12()
.gap_2()
.child(
SegmentButton::new("all", "All")
.icon(Icon::new(CustomIconName::GitIssueDone))
.count(total)
.selected(self.filter == IssueFilter::All)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = IssueFilter::All;
cx.notify();
})),
)
.child(
SegmentButton::new("open", "Open")
.icon(Icon::new(CustomIconName::GitIssueOpen))
.count(open)
.selected(self.filter == IssueFilter::Open)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = IssueFilter::Open;
cx.notify();
})),
)
.child(
SegmentButton::new("closed", "Closed")
.icon(Icon::new(CustomIconName::GitIssueClosed))
.count(closed)
.selected(self.filter == IssueFilter::Closed)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = IssueFilter::Closed;
cx.notify();
})),
),
)
.child(div().flex_1())
.child(
SegmentButton::new("new", "New issue")
.icon(Icon::new(CustomIconName::CirclePlus))
.primary()
.on_click(cx.listener(|this, _event, window, cx| {
open_new_issue_dialog(this.store.clone(), window, cx);
})),
)
.into_any_element()
}
}
/// Open the "new issue" dialog: a title and a content input that submit
/// through [`RepoStore::open_issue`] when confirmed.
pub(super) fn open_new_issue_dialog(store: Entity<RepoStore>, window: &mut Window, cx: &mut App) {
let subject = cx.new(|cx| InputState::new(window, cx).placeholder("Issue title"));
let content = cx.new(|cx| TextareaState::new(window, cx).placeholder("Describe the issue..."));
window.open_dialog(cx, move |dialog, _window, _cx| {
let subject = subject.clone();
let content = content.clone();
let store = store.clone();
dialog
.keyboard(true)
.close_button(true)
.content(move |body, _window, _cx| {
body.child(
DialogHeader::new()
.child(DialogTitle::new().child("New issue"))
.child(
DialogDescription::new()
.child("Report a bug, ask a question, or propose a change."),
),
)
.child(
v_form()
.child(
field()
.label("Title")
.required(true)
.child(Input::new(&subject)),
)
.child(
field()
.label("Content")
.child(Textarea::new(&content).h(px(160.))),
),
)
.child(
DialogFooter::new().justify_end().child(
Button::new("submit")
.primary()
.label("Create issue")
.tooltip("Create issue")
.on_click({
let subject = subject.clone();
let content = content.clone();
let store = store.clone();
move |_event, window, cx| {
let subject = subject.read(cx).value().to_string();
let content = content.read(cx).value().to_string();
let subject = (!subject.is_empty()).then_some(subject);
store.update(cx, |store, cx| {
store.open_issue(subject, content, cx);
});
window.close_dialog(cx);
}
}),
),
)
})
});
}
impl BasePanel for IssuesView {
fn panel_name(&self) -> &'static str {
"issues"
}
}
impl Panel for IssuesView {
fn title(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
div().child(SharedString::from(format!("{}/issues", self.repo_name)))
}
}
impl EventEmitter<PanelEvent> for IssuesView {}
impl Focusable for IssuesView {
fn focus_handle(&self, _cx: &App) -> FocusHandle {
self.focus_handle.clone()
}
}
impl Render for IssuesView {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let filter = self.filter;
// Rebuild the filtered rows and header counts only when the store
// refreshed or the filter changed; other renders reuse the cache.
let version = self.store.read(cx).version();
if self.cache_key != Some((version, filter)) {
let store = self.store.read(cx);
let mut counts = (0usize, 0usize, 0usize);
self.visible_issues = store
.issues
.iter()
.enumerate()
.filter_map(|(ix, issue)| {
let status = store.status_of(issue);
counts.0 += 1;
match status {
RepoStatus::Open => counts.1 += 1,
RepoStatus::Closed => counts.2 += 1,
RepoStatus::Draft | RepoStatus::Applied => {}
}
filter.matches(status).then_some(ix)
})
.collect();
self.counts = counts;
self.cache_key = Some((version, filter));
}
let count = self.visible_issues.len();
// The virtual list's item count comes from `item_sizes`; rebuild it
// whenever the filtered issue count changes.
if count != self.issue_len {
self.issue_len = count;
self.item_sizes = Rc::new(vec![size(px(0.), px(ISSUE_ROW_HEIGHT)); count]);
}
let sizes = self.item_sizes.clone();
let scroll_handle = self.scroll_handle.clone();
v_flex()
.size_full()
.image_cache(image_cache("issues", MAX_IMAGES))
.child(self.render_header(cx))
.child(
v_flex()
.relative()
.flex_1()
.min_h_0()
.w_full()
.when(count > 0, |this| {
this.child(
v_virtual_list(
cx.entity().clone(),
"issues",
sizes,
move |this, range, _window, cx| {
range
.map(|ix| {
let issue = this.visible_issues[ix];
this.render_row(ix, issue, cx)
})
.collect()
},
)
.track_scroll(&scroll_handle)
.size_full(),
)
.child(
div()
.absolute()
.top_0()
.left_0()
.right_0()
.bottom_0()
.child(Scrollbar::vertical(&scroll_handle)),
)
})
.when(count == 0, |this| {
let message = match filter {
IssueFilter::All => "No issues",
IssueFilter::Open => "No open issues",
IssueFilter::Closed => "No closed issues",
};
this.child(placeholder(message, cx))
}),
)
.into_any_element()
}
}