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Tusker
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Use timeline segments for profile view controller

This commit is contained in:
Shadowfacts 2019-08-02 18:23:45 -06:00
parent 84cfa923ca
commit abd73fbe3b
Signed by: shadowfacts
GPG Key ID: 94A5AB95422746E5
1 changed files with 28 additions and 26 deletions
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54
Tusker/Screens/Profile/ProfileTableViewController.swift
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@ -22,7 +22,7 @@ class ProfileTableViewController: EnhancedTableViewController {
}
}
var statusIDs: [String] = [] {
var timelineSegments: [TimelineSegment<Status>] = [] {
didSet {
DispatchQueue.main.async {
self.tableView.reloadData()
@ -120,8 +120,10 @@ class ProfileTableViewController: EnhancedTableViewController {
getStatuses() { response in
guard case let .success(statuses, pagination) = response else { fatalError() }
MastodonCache.addAll(statuses: statuses)
self.statusIDs = statuses.map { $0.id }
self.timelineSegments.append(TimelineSegment(objects: statuses))
self.older = pagination?.older
self.newer = pagination?.newer
}
@ -146,47 +148,44 @@ class ProfileTableViewController: EnhancedTableViewController {
// MARK: - Table view data source
override func numberOfSections(in tableView: UITableView) -> Int {
return 2
return 1 + timelineSegments.count
}
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
switch section {
case 0:
if section == 0 {
return accountID == nil || MastodonCache.account(for: accountID) == nil ? 0 : 1
case 1:
return statusIDs.count
default:
return 0
} else {
return timelineSegments[section - 1].count
}
}
override func tableView(_ tableView: UITableView, cellForRowAt indexPath: IndexPath) -> UITableViewCell {
switch indexPath.section {
case 0:
if indexPath.section == 0 {
guard let cell = tableView.dequeueReusableCell(withIdentifier: "headerCell", for: indexPath) as? ProfileHeaderTableViewCell else { fatalError() }
cell.selectionStyle = .none
cell.delegate = self
cell.updateUI(for: accountID)
return cell
case 1:
} else {
guard let cell = tableView.dequeueReusableCell(withIdentifier: "statusCell", for: indexPath) as? StatusTableViewCell else { fatalError() }
cell.updateUI(statusID: statusIDs[indexPath.row])
let statusID = timelineSegments[indexPath.section - 1][indexPath.row]
cell.updateUI(statusID: statusID)
cell.delegate = self
return cell
default:
fatalError("Invalid section \(indexPath.section) for profile VC")
}
}
override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
if indexPath.section == 1 && indexPath.row == statusIDs.count - 1 {
if indexPath.section == timelineSegments.count && indexPath.row == timelineSegments[indexPath.section - 1].count - 1 {
guard let older = older else { return }
getStatuses(for: older) { response in
guard case let .success(newStatuses, pagination) = response else { fatalError() }
self.older = pagination?.older
MastodonCache.addAll(statuses: newStatuses)
self.statusIDs.append(contentsOf: newStatuses.map { $0.id })
self.timelineSegments[indexPath.section - 1].append(objects: newStatuses)
self.older = pagination?.older
}
}
}
@ -208,9 +207,12 @@ class ProfileTableViewController: EnhancedTableViewController {
getStatuses(for: newer) { response in
guard case let .success(newStatuses, pagination) = response else { fatalError() }
self.newer = pagination?.newer
MastodonCache.addAll(statuses: newStatuses)
self.statusIDs.insert(contentsOf: newStatuses.map { $0.id }, at: 0)
self.timelineSegments[0].insertAtBeginning(objects: newStatuses)
self.newer = pagination?.newer
DispatchQueue.main.async {
self.refreshControl?.endRefreshing()
}
@ -272,9 +274,9 @@ extension ProfileTableViewController: ProfileHeaderTableViewCellDelegate {
extension ProfileTableViewController: UITableViewDataSourcePrefetching {
func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
for indexPath in indexPaths {
guard indexPath.section == 1,
let status = MastodonCache.status(for: statusIDs[indexPath.row]) else { continue }
for indexPath in indexPaths where indexPath.section > 0 {
let statusID = timelineSegments[indexPath.section - 1][indexPath.row]
guard let status = MastodonCache.status(for: statusID) else { continue }
ImageCache.avatars.get(status.account.avatar, completion: nil)
for attachment in status.attachments {
ImageCache.attachments.get(attachment.url, completion: nil)
@ -283,9 +285,9 @@ extension ProfileTableViewController: UITableViewDataSourcePrefetching {
}
func tableView(_ tableView: UITableView, cancelPrefetchingForRowsAt indexPaths: [IndexPath]) {
for indexPath in indexPaths {
guard indexPath.section == 1,
let status = MastodonCache.status(for: statusIDs[indexPath.row]) else { continue }
for indexPath in indexPaths where indexPath.section > 0 {
let statusID = timelineSegments[indexPath.section - 1][indexPath.row]
guard let status = MastodonCache.status(for: statusID) else { continue }
ImageCache.avatars.cancel(status.account.avatar)
for attachment in status.attachments {
ImageCache.attachments.cancel(attachment.url)