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Fix refreshing not loading initial when previous attempt failed 

Closes #214
This commit is contained in:
Shadowfacts 2022-11-09 19:15:08 -05:00
parent f7304a011c
commit 319b5458fc
3 changed files with 24 additions and 3 deletions
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8
Tusker/Screens/Timeline/TimelineViewController.swift
View File

@ -197,7 +197,11 @@ class TimelineViewController: UIViewController, TimelineLikeCollectionViewContro
@objc func refresh() {
Task {
await controller.loadNewer()
if case .notLoadedInitial = await controller.state {
await controller.loadInitial()
} else {
await controller.loadNewer()
}
#if !targetEnvironment(macCatalyst)
collectionView.refreshControl?.endRefreshing()
#endif
@ -280,6 +284,8 @@ extension TimelineViewController {
typealias TimelineItem = String // status ID
func loadInitial() async throws -> [TimelineItem] {
try await Task.sleep(nanoseconds: 1 * NSEC_PER_SEC)
guard let mastodonController else {
throw Error.noClient
}

15
Tusker/Screens/Utilities/TimelineLikeCollectionViewController.swift
View File

@ -64,6 +64,14 @@ extension TimelineLikeCollectionViewController {
}
func handleAddLoadingIndicator() async {
if case .loadingInitial(_, _) = await controller.state,
let refreshControl = collectionView.refreshControl,
refreshControl.isRefreshing {
refreshControl.beginRefreshing()
// if we're loading initial and the refresh control is already going, we don't need to add another indicator
return
}
var snapshot = dataSource.snapshot()
if !snapshot.sectionIdentifiers.contains(.footer) {
snapshot.appendSections([.footer])
@ -77,6 +85,13 @@ extension TimelineLikeCollectionViewController {
}
func handleRemoveLoadingIndicator() async {
if case .loadingInitial(_, _) = await controller.state,
let refreshControl = collectionView.refreshControl,
refreshControl.isRefreshing {
refreshControl.endRefreshing()
return
}
let oldContentOffset = collectionView.contentOffset
var snapshot = dataSource.snapshot()
snapshot.deleteSections([.footer])

4
Tusker/TimelineLikeController.swift
View File

@ -70,7 +70,7 @@ actor TimelineLikeController<Item> {
} catch {
await loadingIndicator.end()
await emit(event: .loadAllError(error, token))
state = .idle
state = .notLoadedInitial
}
}
@ -194,7 +194,7 @@ actor TimelineLikeController<Item> {
return false
}
case .loadingInitial(let token, let hasAddedLoadingIndicator):
return to == .idle || (!hasAddedLoadingIndicator && to == .loadingInitial(token, hasAddedLoadingIndicator: true))
return to == .notLoadedInitial || to == .idle || (!hasAddedLoadingIndicator && to == .loadingInitial(token, hasAddedLoadingIndicator: true))
case .loadingNewer(_):
return to == .idle
case .loadingOlder(let token, let hasAddedLoadingIndicator):