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Code Issues 78 Pull Requests Releases Wiki Activity

Prevent potential race condition when loading additional statuses

This commit is contained in:
Shadowfacts 2020-08-16 10:29:31 -04:00
parent 273b74ddfb
commit 9b04b75949
Signed by: shadowfacts
GPG Key ID: 94A5AB95422746E5
1 changed files with 4 additions and 3 deletions
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7
Tusker/Screens/Timeline/TimelineTableViewController.swift
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@ -179,11 +179,12 @@ class TimelineTableViewController: EnhancedTableViewController {
mastodonController.run(request) { response in mastodonController.run(request) { response in
guard case let .success(newStatuses, pagination) = response else { fatalError() } guard case let .success(newStatuses, pagination) = response else { fatalError() }
self.older = pagination?.older self.older = pagination?.older
let newRows = self.timelineSegments.last!.count..<(self.timelineSegments.last!.count + newStatuses.count)
let newIndexPaths = newRows.map { IndexPath(row: $0, section: self.timelineSegments.count - 1) }
self.timelineSegments[self.timelineSegments.count - 1].append(contentsOf: newStatuses.map { ($0.id, .unknown) })
self.mastodonController.persistentContainer.addAll(statuses: newStatuses) { self.mastodonController.persistentContainer.addAll(statuses: newStatuses) {
DispatchQueue.main.async { DispatchQueue.main.async {
let newRows = self.timelineSegments.last!.count..<(self.timelineSegments.last!.count + newStatuses.count)
let newIndexPaths = newRows.map { IndexPath(row: $0, section: self.timelineSegments.count - 1) }
self.timelineSegments[self.timelineSegments.count - 1].append(contentsOf: newStatuses.map { ($0.id, .unknown) })
UIView.performWithoutAnimation { UIView.performWithoutAnimation {
self.tableView.insertRows(at: newIndexPaths, with: .none) self.tableView.insertRows(at: newIndexPaths, with: .none)
} }