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#[cfg_attr(not(test), expect(clippy::wildcard_imports, reason = "shared"))]
use super::*;
impl App {
#[expect(
clippy::excessive_nesting,
reason = "the event handler mirrors the result and modal states it decodes"
)]
#[expect(
clippy::too_many_lines,
reason = "the exhaustive event match keeps each state transition together"
)]
pub(super) fn handle_repository_worker_event(
&mut self,
event: WorkerEvent,
now: Instant,
) -> Vec<AppEffect> {
let mut effects = Vec::new();
match event {
WorkerEvent::History {
generation,
skip,
result,
} => {
if generation != self.history_generation {
return effects;
}
self.history_loading = false;
match result {
Ok(commits) => {
let received = commits.len();
if skip == 0 {
self.history = commits;
self.history_cursor = self
.history_cursor
.min(self.visible_commit_indices().len().saturating_sub(1));
} else if skip == self.history.len() {
self.history.extend(commits);
}
self.history_complete = received < HISTORY_PAGE_SIZE;
if self.view == View::History {
self.schedule_preview(now);
}
}
Err(error) => {
if self.history_branch.take().is_some() {
self.show_toast(
format!(
"Viewed branch is unavailable; returning to HEAD history: {error}"
),
ToastLevel::Error,
now,
);
self.request_history(true, &mut effects);
} else {
self.show_toast(error, ToastLevel::Error, now);
}
}
}
if self.history_refresh_again {
self.history_refresh_again = false;
self.request_history(true, &mut effects);
}
}
WorkerEvent::GitHubRepositories { generation, result } => {
if generation != self.repository_generation {
return effects;
}
match result {
Ok((repositories, warnings)) => {
self.github_repositories = repositories;
self.pull_request_warnings = warnings;
if let Some(Modal::PullRequestRepositories {
items,
selected,
loading,
..
}) = self.modal.as_mut()
{
items.clone_from(&self.github_repositories);
*selected = self
.pull_request_repository
.as_ref()
.and_then(|current| {
items.iter().position(|repository| {
repository.url.eq_ignore_ascii_case(¤t.url)
})
})
.unwrap_or_default();
*loading = false;
}
}
Err(error) => {
if matches!(self.modal, Some(Modal::PullRequestRepositories { .. })) {
self.modal = None;
}
self.show_toast(error, ToastLevel::Error, now);
}
}
}
WorkerEvent::LocalGitHubRepository {
result: Ok(repository),
} => {
self.recent_pull_requests = repository
.as_ref()
.map_or_else(Vec::new, cached_recent_pull_requests_for);
self.recent_pull_request_cursor = 0;
self.local_github_repository = repository;
}
WorkerEvent::PullRequestLookup { generation, result } => {
if generation != self.pull_request_generation {
return effects;
}
self.pull_request_loading = false;
match result {
Ok(snapshot) => {
if !snapshot.repositories.is_empty() {
self.github_repositories = snapshot.repositories;
}
let current = snapshot.pull_request;
let newly_opened = self.pull_request.is_none();
let previous = self.pull_request.take();
if previous.as_ref() != Some(¤t) {
self.invalidate_pull_request_content_rows();
}
let same = previous.as_ref().is_some_and(|previous| {
previous.number == current.number
&& previous
.base_repository
.url
.eq_ignore_ascii_case(¤t.base_repository.url)
});
let head_moved =
previous.is_some_and(|previous| previous.head_oid != current.head_oid);
if newly_opened {
self.recent_pull_requests =
updated_recent_pull_requests(&self.recent_pull_requests, ¤t);
self.recent_pull_request_cursor = 0;
}
self.pull_request = Some(current);
self.pull_request_repository = snapshot.selected_repository;
self.pull_request_warnings = snapshot.warnings;
self.pull_request_exact_number = snapshot.exact_number;
self.pull_request_from_cache = snapshot.from_cache;
if !same {
self.reset_pull_request_runtime();
} else if head_moved {
self.reset_pull_request_diff_runtime();
}
self.pull_request_progress = None;
self.pull_request_error = None;
self.schedule_pull_request_poll(now);
self.request_pull_request_checks(true, &mut effects);
self.request_pull_request_conversation(true, &mut effects);
if !same || head_moved {
self.preview_due = None;
self.request_preview(&mut effects);
}
}
Err(error) => {
self.pull_request_progress = None;
self.pull_request_error = Some(error.clone());
self.invalidate_pull_request_content_rows();
self.set_document(DiffDocument::empty("Pull Requests", error.clone()));
self.show_toast(error, ToastLevel::Error, now);
}
}
}
WorkerEvent::PullRequestProgress {
generation,
diff,
progress,
} => {
let current = if diff {
generation == self.diff_generation
} else {
generation == self.pull_request_generation
};
if current {
self.pull_request_progress = Some(progress);
}
}
WorkerEvent::Branches { generation, result } => {
if generation != self.branch_generation {
return effects;
}
match result {
Ok(items) => {
if let Some(Modal::Branches {
items: modal_items,
selected,
loading,
..
}) = self.modal.as_mut()
{
*modal_items = items;
*loading = false;
*selected = 0;
}
}
Err(error) => {
self.modal = None;
self.show_toast(error, ToastLevel::Error, now);
}
}
}
WorkerEvent::HistoryBranches { generation, result } => {
if generation != self.history_branch_generation {
return effects;
}
self.history_branches_loading = false;
match result {
Ok(items) => {
self.history_branches_loaded = true;
self.history_branches = items;
match self.modal.as_mut() {
Some(Modal::HistoryBranches {
items: modal_items,
selected,
loading,
..
}) => {
*selected = self
.history_branches
.iter()
.position(|branch| {
self.history_branch
.as_ref()
.map_or(branch.current, |selected| {
selected.reference == branch.reference
})
})
.unwrap_or_default();
modal_items.clone_from(&self.history_branches);
*loading = false;
}
Some(Modal::CompareBranches {
items: modal_items,
selected,
loading,
..
}) => {
modal_items.clone_from(&self.history_branches);
*selected = 0;
*loading = false;
}
_ => {}
}
}
Err(error) => {
if matches!(
self.modal,
Some(Modal::HistoryBranches { .. } | Modal::CompareBranches { .. })
) {
self.modal = None;
}
self.show_toast(error, ToastLevel::Error, now);
}
}
}
WorkerEvent::Stashes { generation, result } => {
if generation != self.stash_generation {
return effects;
}
match result {
Ok(items) => {
if let Some(Modal::Stashes {
items: modal_items,
selected,
loading,
..
}) = self.modal.as_mut()
{
*modal_items = items;
*selected = 0;
*loading = false;
}
}
Err(error) => {
if matches!(self.modal, Some(Modal::Stashes { .. })) {
self.modal = None;
}
self.show_toast(error, ToastLevel::Error, now);
}
}
}
WorkerEvent::Worktrees { generation, result } => {
if generation != self.worktree_generation {
return effects;
}
match result {
Ok(items) => {
self.worktrees = items;
}
Err(error) => {
self.show_toast(error, ToastLevel::Error, now);
}
}
}
WorkerEvent::RecentProjects { generation, result } => {
if generation != self.project_generation {
return effects;
}
match result {
Ok(groups) => {
self.project_groups.clone_from(&groups);
self.apply_current_worktrees(&groups);
if let Some(Modal::Projects {
groups: modal_groups,
selected,
query,
loading,
}) = self.modal.as_mut()
{
let visible = Self::filtered_project_rows(&groups, &query.value);
*selected = (*selected).min(visible.len().saturating_sub(1));
*modal_groups = groups;
*loading = false;
}
}
Err(error) => {
if matches!(self.modal, Some(Modal::Projects { .. })) {
self.modal = None;
}
self.show_toast(error, ToastLevel::Error, now);
}
}
}
WorkerEvent::OperationFinished {
id,
label,
changes_history,
refresh_pull_request,
result,
} => {
if id != self.operation_id {
return effects;
}
self.busy = None;
match result {
Ok(message) => {
self.show_toast(message, ToastLevel::Success, now);
self.request_refresh(&mut effects);
if changes_history {
self.request_history(true, &mut effects);
}
}
Err(error) => {
self.show_toast(format!("{label}: {error}"), ToastLevel::Error, now);
self.request_refresh(&mut effects);
}
}
if refresh_pull_request {
self.refresh_loaded_pull_request(&mut effects);
}
}
_ => {}
}
effects
}
}