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refactor

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This commit is contained in:
reya
2026-09-13 11:54:37 +07:00
parent d68c098818
commit a4dcbbc560
7 changed files with 719 additions and 267 deletions
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crates/workspace/src/views/pull_requests/detail.rs
+211 -125
View File
@@ -6,7 +6,7 @@ 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, relative, size,
SharedString, Size, Subscription, WeakEntity, Window, div, px, relative, size,
};
use gpui_component::button::{Button, ButtonVariants};
use gpui_component::clipboard::Clipboard;
@@ -20,9 +20,9 @@ use gpui_component::{
ActiveTheme, Sizable, StyledExt, VirtualListScrollHandle, WindowExt, h_flex, v_flex,
v_virtual_list,
};
use nostr::prelude::{Event, EventId, Kind};
use nostr::prelude::{Event, EventId, Kind, Url};
use signed_core::{
activity_subject, branch_name_of, clone_urls_of, current_commit_of, latest_update,
RepoAddr, activity_subject, branch_name_of, clone_urls_of, current_commit_of, latest_update,
merge_base_of, pull_request_patch,
};
use signed_git::{FileCommit, patch_commits, patch_diffs};
@@ -36,6 +36,23 @@ use crate::views::repo::helpers::{comment_form, comments_section, pr_roots, side
/// Height of one commit row in the commits tab's virtual list.
const ROW_HEIGHT: f32 = 37.;
/// Shown once the store's first pass is applied and the root PR is still absent.
const NOT_FOUND: &str = "Pull request not found";
/// Root PR inputs one diff load is keyed to.
///
/// A store refresh re-binds the panel, and reloads only when these change.
#[derive(Clone, PartialEq, Eq)]
struct PrBinding {
description: String,
patch: String,
tip: Option<String>,
base: Option<String>,
clone_urls: Vec<Url>,
addr: RepoAddr,
has_patch_link: bool,
}
/// Detail panel of a single pull request.
pub struct PullRequestDetailView {
focus_handle: FocusHandle,
@@ -61,6 +78,10 @@ pub struct PullRequestDetailView {
/// The patch is being parsed on a background task.
loading: bool,
error: Option<SharedString>,
/// Root PR inputs the in-flight diff load was started for.
bound: Option<PrBinding>,
/// Generation of the in-flight diff load. Stale results are discarded.
load_generation: u64,
/// Active header tab, 0 = Discussion, 1 = Files, 2 = Commits.
active_tab: usize,
/// Changed-files explorer and per-file diff, like the commit and compare views.
@@ -69,6 +90,10 @@ pub struct PullRequestDetailView {
commit_item_sizes: Rc<Vec<Size<Pixels>>>,
/// Virtual list state of the commits tab.
commit_scroll_handle: VirtualListScrollHandle,
/// Re-render when the store's first pass or a later refresh lands.
/// Item panels are cached by the dock, so without this observer a panel
/// opened before the store loaded would stay on its placeholder.
_subscription: Subscription,
}
impl PullRequestDetailView {
@@ -85,9 +110,11 @@ impl PullRequestDetailView {
let comment_input =
cx.new(|cx| TextareaState::new(window, cx).placeholder("Leave a comment..."));
let subscription = cx.observe(&store, |this, _store, cx| this.sync(cx));
// Defer loading until the window is ready, like the commit diff view.
cx.defer_in(window, |this, window, cx| {
this.load(window, cx);
cx.defer_in(window, |this, _window, cx| {
this.sync(cx);
});
Self {
@@ -103,156 +130,215 @@ impl PullRequestDetailView {
commits: Vec::new(),
loading: true,
error: None,
bound: None,
load_generation: 0,
active_tab: 0,
pane,
commit_item_sizes: Rc::new(Vec::new()),
commit_scroll_handle: VirtualListScrollHandle::new(),
_subscription: subscription,
}
}
/// Snapshot the PR events from the store.
fn load(&mut self, window: &mut Window, cx: &mut Context<Self>) {
/// Snapshot the root PR from the store and reload the diff when it changed.
///
/// Re-runs on construction and on every store refresh. Item panels are
/// cached by the dock, so this is the only way a panel opened before the
/// store's first pass learns about its PR.
fn sync(&mut self, cx: &mut Context<Self>) {
let loaded = self.store.read(cx).loaded;
let binding = {
let store = self.store.read(cx);
store
.pull_requests
.iter()
.find(|pr| pr.id == self.pr_id && pr.kind == Kind::GitPullRequest)
.map(|root| {
let update = latest_update(store.pull_requests.iter(), root);
let tip = update
.and_then(current_commit_of)
.or_else(|| current_commit_of(root));
let base = update
.and_then(merge_base_of)
.or_else(|| merge_base_of(root));
let clone_urls = clone_urls_of(root)
.or_else(|| store.announcement.as_ref().map(|a| a.clone.clone()))
.unwrap_or_default();
PrBinding {
description: root.content.clone(),
patch: pull_request_patch(root, store.patches.iter()),
tip,
base,
clone_urls,
addr: store.addr().clone(),
has_patch_link: root.tags.event_ids().next().is_some(),
}
})
};
let Some(binding) = binding else {
self.sync_missing(loaded, cx);
return;
};
if self.bound.as_ref() == Some(&binding) {
return;
}
self.bound = Some(binding.clone());
self.load_diff(binding, cx);
}
/// The store does not hold the root PR yet, or at all.
///
/// Loading until the first pass is applied, not found afterwards.
fn sync_missing(&mut self, loaded: bool, cx: &mut Context<Self>) {
self.bound = None;
if !loaded {
if !self.loading || self.error.is_some() {
self.loading = true;
self.error = None;
cx.notify();
}
return;
}
if self.error.as_deref() != Some(NOT_FOUND) {
self.loading = false;
self.error = Some(NOT_FOUND.into());
cx.notify();
}
}
/// Load the bound PR's changed files and commits.
///
/// Nostr-backed pull requests parse the patch series, git-backed ones fetch
/// the clone and diff the `merge-base..tip` range.
fn load_diff(&mut self, binding: PrBinding, cx: &mut Context<Self>) {
self.loading = true;
self.error = None;
self.description = binding.description.clone().into();
self.current_commit = binding.tip.clone().map(SharedString::from);
cx.notify();
let cache = GitStore::global(cx).cache().clone();
let (description, patch, current_commit, merge_base, clone_urls, addr, has_patch_link) = {
let store = self.store.read(cx);
self.load_generation = self.load_generation.wrapping_add(1);
let generation = self.load_generation;
let Some(root) = store
.pull_requests
.iter()
.find(|pr| pr.id == self.pr_id && pr.kind == Kind::GitPullRequest)
else {
self.loading = false;
self.error = Some("Pull request not found".into());
cx.notify();
return;
let PrBinding {
patch,
tip,
base,
clone_urls,
addr,
has_patch_link,
..
} = binding;
let task: gpui::Task<Result<(), anyhow::Error>> = cx.spawn(async move |this, cx| {
let nostr_diff = cx
.background_spawn({
let patch = patch.clone();
async move { patch_diffs(&patch) }
})
.await;
let nostr_commits = cx
.background_spawn({
let patch = patch.clone();
async move { patch_commits(&patch) }
})
.await;
// PRs without patch events, e.g. published by ngit, carry their changes in git.
// Fetch the clone and diff the `merge-base..tip` range.
let use_nostr = match &nostr_diff {
Ok(diff) => has_patch_link || !diff.files.is_empty(),
Err(_) => true,
};
let update = latest_update(store.pull_requests.iter(), root);
let git = if use_nostr {
None
} else {
let cache = cache.clone();
let addr = addr.clone();
let clone_urls = clone_urls.clone();
let base = base.clone();
let tip = tip.clone();
let tip = update
.and_then(current_commit_of)
.or_else(|| current_commit_of(root));
Some(
cx.background_spawn(async move {
let repo = cache.ensure_clone(&addr, &clone_urls)?;
let base = update
.and_then(merge_base_of)
.or_else(|| merge_base_of(root));
let workdir = repo
.workdir()
.ok_or_else(|| anyhow::anyhow!("repository has no worktree"))?
.to_path_buf();
let clone_urls = clone_urls_of(root)
.or_else(|| store.announcement.as_ref().map(|a| a.clone.clone()));
let tip =
tip.ok_or_else(|| anyhow::anyhow!("pull request has no tip commit"))?;
(
root.content.clone(),
pull_request_patch(root, store.patches.iter()),
tip,
base,
clone_urls.unwrap_or_default(),
store.addr().clone(),
root.tags.event_ids().next().is_some(),
)
};
let base = match base {
Some(base) => base,
// No `merge-base` tag. Use the merge base of the tip and the default branch.
None => {
let head = repo
.head_id()
.map_err(|_| anyhow::anyhow!("repository has no HEAD"))?;
let tip_id = repo.rev_parse_single(tip.as_bytes())?;
repo.merge_base(tip_id, head)?.to_string()
}
};
self.description = description.into();
let diff = signed_git::worktree_commit_range_diff(&workdir, &base, &tip)?;
let commits =
signed_git::worktree_commit_range_commits(&workdir, &base, &tip)?;
let task: gpui::Task<Result<(), anyhow::Error>> =
cx.spawn_in(window, async move |this, cx| {
let nostr_diff = cx
.background_spawn({
let patch = patch.clone();
async move { patch_diffs(&patch) }
Ok::<_, anyhow::Error>((diff, commits, workdir))
})
.await;
.await,
)
};
let nostr_commits = cx
.background_spawn({
let patch = patch.clone();
async move { patch_commits(&patch) }
})
.await;
let (diff, commits, worktree) = match git {
Some(Ok((diff, commits, worktree))) => (Ok(diff), commits, Some(worktree)),
Some(Err(error)) => (Err(error), Vec::new(), None),
None => (nostr_diff, nostr_commits, None),
};
// PRs without patch events, e.g. published by ngit, carry their changes in git.
// Fetch the clone and diff the `merge-base..tip` range.
let use_nostr = match &nostr_diff {
Ok(diff) => has_patch_link || !diff.files.is_empty(),
Err(_) => true,
};
this.update(cx, |this, cx| {
// A newer binding superseded this load.
if this.load_generation != generation {
return;
}
let git = if use_nostr {
None
} else {
let cache = cache.clone();
let addr = addr.clone();
let clone_urls = clone_urls.clone();
let base = merge_base.clone();
let tip = current_commit.clone();
this.loading = false;
this.worktree = worktree;
this.commit_item_sizes = Rc::new(vec![size(px(0.), px(ROW_HEIGHT)); commits.len()]);
this.commits = commits;
Some(
cx.background_spawn(async move {
let repo = cache.ensure_clone(&addr, &clone_urls)?;
let workdir = repo
.workdir()
.ok_or_else(|| anyhow::anyhow!("repository has no worktree"))?
.to_path_buf();
let tip = tip
.ok_or_else(|| anyhow::anyhow!("pull request has no tip commit"))?;
let base = match base {
Some(base) => base,
// No `merge-base` tag. Use the merge base of the tip and the default branch.
None => {
let head = repo
.head_id()
.map_err(|_| anyhow::anyhow!("repository has no HEAD"))?;
let tip_id = repo.rev_parse_single(tip.as_bytes())?;
repo.merge_base(tip_id, head)?.to_string()
}
};
let diff =
signed_git::worktree_commit_range_diff(&workdir, &base, &tip)?;
let commits =
signed_git::worktree_commit_range_commits(&workdir, &base, &tip)?;
Ok::<_, anyhow::Error>((diff, commits, workdir))
})
.await,
)
};
let (diff, commits, worktree) = match git {
Some(Ok((diff, commits, worktree))) => (Ok(diff), commits, Some(worktree)),
Some(Err(error)) => (Err(error), Vec::new(), None),
None => (nostr_diff, nostr_commits, None),
};
this.update_in(cx, |this, _window, cx| {
this.loading = false;
this.worktree = worktree;
this.current_commit = current_commit.map(SharedString::from);
this.commit_item_sizes =
Rc::new(vec![size(px(0.), px(ROW_HEIGHT)); commits.len()]);
this.commits = commits;
match diff {
Ok(diff) => {
this.pane.update(cx, |pane, cx| pane.set_diff(diff, cx));
}
Err(error) => {
this.error = Some(error.to_string().into());
}
match diff {
Ok(diff) => {
this.pane.update(cx, |pane, cx| pane.set_diff(diff, cx));
}
Err(error) => {
this.error = Some(error.to_string().into());
}
}
cx.notify();
})?;
cx.notify();
})?;
Ok(())
});
Ok(())
});
task.detach();
}