Files
signed/crates/workspace/src/views/repo_detail/pull_requests.rs
T

455 lines
18 KiB
Rust

use std::rc::Rc;
use assets::CustomIconName;
use dock::{BasePanel, DockArea, Panel, PanelEvent, add_center_panel, 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_base::Button as BaseButton;
use gpui_component::alert::Alert;
use gpui_component::scroll::Scrollbar;
use gpui_component::{
ActiveTheme, Icon, IconName, VirtualListScrollHandle, h_flex, v_flex, v_virtual_list,
};
use nostr::prelude::{EventId, Kind};
use signed_core::{RepoStatus, activity_subject};
use signed_state::{ProfileStore, RepoStore};
use signed_ui::{DropdownButton, SegmentButton, UserAvatar, placeholder, status_badge};
use utils::relative_time;
use super::RepoAction;
use super::new_pull_request::open_new_pull_panel;
use super::pull_request_detail::PullRequestDetailView;
use super::send_patch::open_send_patch_panel;
/// Height of one pull request row in the virtual list.
const ROW_HEIGHT: f32 = 73.;
/// Status filter of the pull request list, chosen via the header's filter buttons.
#[derive(Debug, Clone, Copy, PartialEq, Eq)]
enum PullRequestFilter {
/// Every pull request, regardless of status.
All,
/// Pull requests whose resolved status is [`RepoStatus::Open`].
Open,
/// Pull requests whose resolved status is [`RepoStatus::Closed`].
Closed,
/// Pull requests whose resolved status is [`RepoStatus::Draft`].
Draft,
/// Pull requests whose resolved status is [`RepoStatus::Applied`].
Merged,
}
impl PullRequestFilter {
/// Whether a pull request 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 => status == RepoStatus::Closed,
Self::Draft => status == RepoStatus::Draft,
Self::Merged => status == RepoStatus::Applied,
}
}
}
pub struct PullRequestsView {
focus_handle: FocusHandle,
/// Dock area the detail panels are added to.
dock_area: WeakEntity<DockArea>,
/// Repo store holding the pull requests 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: PullRequestFilter,
/// Per-row heights of the virtual list.
item_sizes: Rc<Vec<Size<Pixels>>>,
/// The filtered pull request count [`Self::item_sizes`] was built for.
pr_len: usize,
/// Indices into the store's `pull_requests` matching [`Self::filter`].
visible_prs: Vec<usize>,
/// Header counts `(total, open, closed, draft, merged)`.
counts: (usize, usize, usize, usize, usize),
/// Store version and filter the cached rows/counts were built from.
cache_key: Option<(u64, PullRequestFilter)>,
/// Virtual list state of the pull requests list.
scroll_handle: VirtualListScrollHandle,
}
impl PullRequestsView {
pub fn new(
dock_area: WeakEntity<DockArea>,
store: Entity<RepoStore>,
_window: &mut Window,
cx: &mut Context<Self>,
) -> Self {
let repo_name = store.read(cx).name();
Self {
focus_handle: cx.focus_handle(),
dock_area,
store,
repo_name,
filter: PullRequestFilter::Open,
item_sizes: Rc::new(Vec::new()),
pr_len: 0,
visible_prs: Vec::new(),
counts: (0, 0, 0, 0, 0),
cache_key: None,
scroll_handle: VirtualListScrollHandle::new(),
}
}
/// Open the detail panel of `pr_id` in the dock area.
fn open_pull_request_detail(
&mut self,
pr_id: EventId,
window: &mut Window,
cx: &mut Context<Self>,
) {
let Some(dock_area) = self.dock_area.upgrade() else {
return;
};
let panel = cx.new(|cx| {
PullRequestDetailView::new(
self.dock_area.clone(),
self.store.clone(),
pr_id,
window,
cx,
)
});
dock_area.update(cx, |dock_area, cx| {
add_center_panel(dock_area, panel_handle(panel), window, cx);
});
}
/// Render one row of the pull request list.
///
/// `ix` is the row index, `pr_ix` the index in the store's `pull_requests`.
fn render_row(&self, ix: usize, pr_ix: usize, cx: &mut Context<Self>) -> AnyElement {
let pr = &self.store.read(cx).pull_requests[pr_ix];
let pr_id = pr.id;
let title = activity_subject(pr);
let id_hex = pr.id.to_hex();
let age = relative_time(pr.created_at);
let status = self.store.read(cx).status_of(pr);
let profile = ProfileStore::global(cx).read(cx).get(&pr.pubkey);
let author = profile.name();
let picture = profile.picture();
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_pull_request_detail(pr_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.
let (total, open, closed, draft, merged) = 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_1()
.child(
SegmentButton::new("all", "All")
.icon(Icon::new(CustomIconName::GitPullRequest))
.count(total)
.selected(self.filter == PullRequestFilter::All)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::All;
cx.notify();
})),
)
.child(
SegmentButton::new("open", "Open")
.icon(Icon::new(CustomIconName::GitPullRequest))
.count(open)
.selected(self.filter == PullRequestFilter::Open)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Open;
cx.notify();
})),
)
.child(
SegmentButton::new("closed", "Closed")
.icon(Icon::new(CustomIconName::GitPullRequestClosed))
.count(closed)
.selected(self.filter == PullRequestFilter::Closed)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Closed;
cx.notify();
})),
)
.child(
SegmentButton::new("draft", "Draft")
.icon(Icon::new(CustomIconName::GitPullRequestDraft))
.count(draft)
.selected(self.filter == PullRequestFilter::Draft)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Draft;
cx.notify();
})),
)
.child(
SegmentButton::new("merged", "Merged")
.icon(Icon::new(CustomIconName::GitPullRequestMerged))
.count(merged)
.selected(self.filter == PullRequestFilter::Merged)
.on_click(cx.listener(|this, _event, _window, cx| {
this.filter = PullRequestFilter::Merged;
cx.notify();
})),
),
)
.child(div().flex_1())
.child(
h_flex().items_center().child(
DropdownButton::new("new-pr-actions")
.action(
BaseButton::new("new-pr")
.child(
h_flex()
.h_8()
.px_2()
.gap_1()
.rounded(cx.theme().radius)
.bg(cx.theme().primary)
.hover(|this| this.bg(cx.theme().primary_hover))
.text_sm()
.text_color(cx.theme().primary_foreground)
.child(Icon::new(IconName::Plus))
.child("New"),
)
.on_click(cx.listener(|this, _event, window, cx| {
open_new_pull_panel(
this.dock_area.clone(),
this.store.clone(),
window,
cx,
);
})),
)
.dropdown_menu(|menu, _, _| {
menu.menu_element(Box::new(RepoAction::SendPatch), |_, _| {
h_flex()
.gap_2()
.text_sm()
.child(Icon::new(IconName::File))
.child("Send Patch")
})
}),
),
)
.into_any_element()
}
}
impl BasePanel for PullRequestsView {
fn panel_name(&self) -> &'static str {
"pull-requests"
}
}
impl Panel for PullRequestsView {
fn title(&mut self, _window: &mut Window, _cx: &mut Context<Self>) -> impl IntoElement {
div().child(SharedString::from(format!(
"{}/pull-requests",
self.repo_name
)))
}
}
impl EventEmitter<PanelEvent> for PullRequestsView {}
impl Focusable for PullRequestsView {
fn focus_handle(&self, _cx: &App) -> FocusHandle {
self.focus_handle.clone()
}
}
impl Render for PullRequestsView {
fn render(&mut self, _window: &mut Window, cx: &mut Context<Self>) -> impl IntoElement {
let filter = self.filter;
// Rows and counts are rebuilt only when the store refreshed or filter changed.
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, 0usize, 0usize);
self.visible_prs = store
.pull_requests
.iter()
.enumerate()
.filter_map(|(ix, pr)| {
if pr.kind != Kind::GitPullRequest {
return None;
}
let status = store.status_of(pr);
counts.0 += 1;
match status {
RepoStatus::Open => counts.1 += 1,
RepoStatus::Closed => counts.2 += 1,
RepoStatus::Draft => counts.3 += 1,
RepoStatus::Applied => counts.4 += 1,
}
filter.matches(status).then_some(ix)
})
.collect();
self.counts = counts;
self.cache_key = Some((version, filter));
}
let count = self.visible_prs.len();
// The virtual list's item count comes from `item_sizes`.
// Rebuild it whenever the filtered pull request count changes.
if count != self.pr_len {
self.pr_len = count;
self.item_sizes = Rc::new(vec![size(px(0.), px(ROW_HEIGHT)); count]);
}
let sizes = self.item_sizes.clone();
let scroll_handle = self.scroll_handle.clone();
let view = cx.entity().clone();
// Non-fatal warnings and errors of the last action, like creating or updating a PR.
// Shown as dismissible banners above the list.
let (last_error, last_warning) = {
let store = self.store.read(cx);
(store.last_error.clone(), store.last_warning.clone())
};
v_flex()
.size_full()
.image_cache(gpui::retain_all("pull-requests"))
.on_action(cx.listener(|this, action: &RepoAction, window, cx| {
if action == &RepoAction::SendPatch {
open_send_patch_panel(this.dock_area.clone(), this.store.clone(), window, cx);
}
}))
.child(self.render_header(cx))
.when_some(last_warning, |this, warning| {
this.child(Alert::warning("pr-warning", warning).banner().on_close({
let store = self.store.clone();
move |_event, _window, cx| {
store.update(cx, |store, _| store.last_warning = None);
}
}))
})
.when_some(last_error, |this, error| {
this.child(Alert::error("pr-error", error).banner().on_close({
let store = self.store.clone();
move |_event, _window, cx| {
store.update(cx, |store, _| store.last_error = None);
}
}))
})
.child(
v_flex()
.relative()
.flex_1()
.min_h_0()
.w_full()
.when(count > 0, |this| {
this.child(
v_virtual_list(view, "prl", sizes, move |this, range, _window, cx| {
range
.map(|ix| {
let pr_ix = this.visible_prs[ix];
this.render_row(ix, pr_ix, 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 {
PullRequestFilter::All => "No pull requests",
PullRequestFilter::Open => "No open pull requests",
PullRequestFilter::Closed => "No closed pull requests",
PullRequestFilter::Draft => "No draft pull requests",
PullRequestFilter::Merged => "No merged pull requests",
};
this.child(placeholder(message, cx))
}),
)
.into_any_element()
}
}