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Convert profile VC to use CoreData objects 

Does not yet remove old statuses when scrolling up, like timeline VC
This commit is contained in:
Shadowfacts 2020-04-13 22:51:21 -04:00
parent 030bee1948
commit fa1daa682f
Signed by untrusted user: shadowfacts
GPG Key ID: 94A5AB95422746E5
3 changed files with 88 additions and 81 deletions
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10
Tusker/CoreData/MastodonCachePersistentStore.swift
View File

@ -51,12 +51,13 @@ class MastodonCachePersistentStore: NSPersistentContainer {
}
}
func addOrUpdate(status: Status, incrementReferenceCount: Bool, save: Bool = true) {
func addOrUpdate(status: Status, incrementReferenceCount: Bool, completion: (() -> Void)?) {
backgroundContext.perform {
self.upsert(status: status, incrementReferenceCount: incrementReferenceCount)
if save, self.backgroundContext.hasChanges {
if self.backgroundContext.hasChanges {
try! self.backgroundContext.save()
}
completion?()
}
}
@ -90,12 +91,13 @@ class MastodonCachePersistentStore: NSPersistentContainer {
}
}
func addOrUpdate(account: Account, save: Bool = true) {
func addOrUpdate(account: Account, completion: (() -> Void)?) {
backgroundContext.perform {
self.upsert(account: account)
if save, self.backgroundContext.hasChanges {
if self.backgroundContext.hasChanges {
try! self.backgroundContext.save()
}
completion?()
}
}

35
Tusker/Screens/Profile/ProfileTableViewController.swift
View File

@ -73,13 +73,13 @@ class ProfileTableViewController: EnhancedTableViewController {
tableView.prefetchDataSource = self
if let accountID = accountID {
if mastodonController.cache.account(for: accountID) != nil {
if mastodonController.persistentContainer.account(for: accountID) != nil {
updateAccountUI()
} else {
loadingVC = LoadingViewController()
embedChild(loadingVC!)
mastodonController.cache.account(for: accountID) { (account) in
guard account != nil else {
guard let account = account else {
let alert = UIAlertController(title: "Something Went Wrong", message: "Couldn't load the selected account", preferredStyle: .alert)
alert.addAction(UIAlertAction(title: "OK", style: .default, handler: { (_) in
self.navigationController!.popViewController(animated: true)
@ -89,12 +89,14 @@ class ProfileTableViewController: EnhancedTableViewController {
}
return
}
self.mastodonController.persistentContainer.addOrUpdate(account: account) {
DispatchQueue.main.async {
self.updateAccountUI()
self.tableView.reloadData()
}
}
}
}
} else {
loadingVC = LoadingViewController()
embedChild(loadingVC!)
@ -112,20 +114,22 @@ class ProfileTableViewController: EnhancedTableViewController {
getStatuses(onlyPinned: true) { (response) in
guard case let .success(statuses, _) = response else { fatalError() }
self.mastodonController.cache.addAll(statuses: statuses)
self.mastodonController.persistentContainer.addAll(statuses: statuses) {
self.pinnedStatuses = statuses.map { ($0.id, .unknown) }
}
}
getStatuses() { response in
guard case let .success(statuses, pagination) = response else { fatalError() }
self.mastodonController.cache.addAll(statuses: statuses)
self.mastodonController.persistentContainer.addAll(statuses: statuses) {
self.timelineSegments.append(statuses.map { ($0.id, .unknown) })
self.older = pagination?.older
self.newer = pagination?.newer
}
}
}
@objc func updateUIForPreferences() {
guard let accountID = accountID, let account = mastodonController.persistentContainer.account(for: accountID) else { return }
@ -138,7 +142,7 @@ class ProfileTableViewController: EnhancedTableViewController {
}
func sendMessageMentioning() {
guard let account = mastodonController.cache.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
guard let account = mastodonController.persistentContainer.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
let vc = UINavigationController(rootViewController: ComposeViewController(mentioningAcct: account.acct, mastodonController: mastodonController))
present(vc, animated: true)
}
@ -152,7 +156,7 @@ class ProfileTableViewController: EnhancedTableViewController {
override func tableView(_ tableView: UITableView, numberOfRowsInSection section: Int) -> Int {
if section == 0 {
return accountID == nil || mastodonController.cache.account(for: accountID) == nil ? 0 : 1
return accountID == nil || mastodonController.persistentContainer.account(for: accountID) == nil ? 0 : 1
} else if section == 1 {
return pinnedStatuses.count
} else {
@ -187,19 +191,23 @@ class ProfileTableViewController: EnhancedTableViewController {
// MARK: - Table view delegate
override func tableView(_ tableView: UITableView, willDisplay cell: UITableViewCell, forRowAt indexPath: IndexPath) {
// todo: if scrolling up, remove statuses at bottom like timeline VC
// load older statuses if at bottom
if timelineSegments.count > 0 && indexPath.section - 1 == timelineSegments.count && indexPath.row == timelineSegments[indexPath.section - 2].count - 1 {
guard let older = older else { return }
getStatuses(for: older) { response in
guard case let .success(newStatuses, pagination) = response else { fatalError() }
self.mastodonController.cache.addAll(statuses: newStatuses)
self.mastodonController.persistentContainer.addAll(statuses: newStatuses) {
self.timelineSegments[indexPath.section - 2].append(contentsOf: newStatuses.map { ($0.id, .unknown) })
self.older = pagination?.older
}
}
}
}
override func tableView(_ tableView: UITableView, canEditRowAt indexPath: IndexPath) -> Bool {
return true
@ -219,7 +227,7 @@ class ProfileTableViewController: EnhancedTableViewController {
getStatuses(for: newer) { response in
guard case let .success(newStatuses, pagination) = response else { fatalError() }
self.mastodonController.cache.addAll(statuses: newStatuses)
self.mastodonController.persistentContainer.addAll(statuses: newStatuses) {
self.timelineSegments[0].insert(contentsOf: newStatuses.map { ($0.id, .unknown) }, at: 0)
if let newer = pagination?.newer {
@ -230,11 +238,11 @@ class ProfileTableViewController: EnhancedTableViewController {
self.refreshControl?.endRefreshing()
}
}
}
getStatuses(onlyPinned: true) { (response) in
guard case let .success(newPinnedStatuses, _) = response else { fatalError() }
self.mastodonController.cache.addAll(statuses: newPinnedStatuses)
self.mastodonController.persistentContainer.addAll(statuses: newPinnedStatuses) {
let oldPinnedStatuses = self.pinnedStatuses
var pinnedStatuses = [(id: String, state: StatusState)]()
for status in newPinnedStatuses {
@ -249,6 +257,7 @@ class ProfileTableViewController: EnhancedTableViewController {
self.pinnedStatuses = pinnedStatuses
}
}
}
@objc func composePressed(_ sender: Any) {
sendMessageMentioning()
@ -268,7 +277,7 @@ extension ProfileTableViewController: StatusTableViewCellDelegate {
extension ProfileTableViewController: ProfileHeaderTableViewCellDelegate {
func showMoreOptions(cell: ProfileHeaderTableViewCell) {
let account = mastodonController.cache.account(for: accountID)!
let account = mastodonController.persistentContainer.account(for: accountID)!
mastodonController.cache.relationship(for: account.id) { [weak self] (relationship) in
guard let self = self else { return }
@ -293,7 +302,7 @@ extension ProfileTableViewController: UITableViewDataSourcePrefetching {
func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
for indexPath in indexPaths where indexPath.section > 1 {
let statusID = timelineSegments[indexPath.section - 2][indexPath.row].id
guard let status = mastodonController.cache.status(for: statusID) else { continue }
guard let status = mastodonController.persistentContainer.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)
@ -304,7 +313,7 @@ extension ProfileTableViewController: UITableViewDataSourcePrefetching {
func tableView(_ tableView: UITableView, cancelPrefetchingForRowsAt indexPaths: [IndexPath]) {
for indexPath in indexPaths where indexPath.section > 1 {
let statusID = timelineSegments[indexPath.section - 2][indexPath.row].id
guard let status = mastodonController.cache.status(for: statusID) else { continue }
guard let status = mastodonController.persistentContainer.status(for: statusID) else { continue }
ImageCache.avatars.cancelWithoutCallback(status.account.avatar)
for attachment in status.attachments {
ImageCache.attachments.cancelWithoutCallback(attachment.url)

28
Tusker/Views/Profile Header/ProfileHeaderTableViewCell.swift
View File

@ -63,7 +63,7 @@ class ProfileHeaderTableViewCell: UITableViewCell {
guard accountID != self.accountID else { return }
self.accountID = accountID
guard let account = mastodonController.cache.account(for: accountID) else { fatalError("Missing cached account \(accountID)") }
guard let account = mastodonController.persistentContainer.account(for: accountID) else { fatalError("Missing cached account \(accountID)") }
updateUIForPreferences()
@ -101,11 +101,10 @@ class ProfileHeaderTableViewCell: UITableViewCell {
}
}
if let fields = account.fields, !fields.isEmpty {
fieldsStackView.isHidden = false
fieldsStackView.isHidden = account.fields.isEmpty
fieldsStackView.arrangedSubviews.forEach { $0.removeFromSuperview() }
for field in fields {
for field in account.fields {
let nameLabel = UILabel()
nameLabel.text = field.name
nameLabel.font = .boldSystemFont(ofSize: 17)
@ -123,20 +122,17 @@ class ProfileHeaderTableViewCell: UITableViewCell {
valueTextView.navigationDelegate = delegate
fieldValuesStack.addArrangedSubview(valueTextView)
}
} else {
fieldsStackView.isHidden = true
}
if accountUpdater == nil {
accountUpdater = mastodonController.cache.accountSubject
.filter { [unowned self] in $0.id == self.accountID }
.receive(on: DispatchQueue.main)
.sink { [unowned self] in self.updateUI(for: $0.id) }
}
// if accountUpdater == nil {
// accountUpdater = mastodonController.cache.accountSubject
// .filter { [unowned self] in $0.id == self.accountID }
// .receive(on: DispatchQueue.main)
// .sink { [unowned self] in self.updateUI(for: $0.id) }
// }
}
@objc func updateUIForPreferences() {
guard let account = mastodonController.cache.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
guard let account = mastodonController.persistentContainer.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
avatarContainerView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarContainerView)
avatarImageView.layer.cornerRadius = Preferences.shared.avatarStyle.cornerRadius(for: avatarImageView)
@ -153,12 +149,12 @@ class ProfileHeaderTableViewCell: UITableViewCell {
}
@objc func avatarPressed() {
guard let account = mastodonController.cache.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
guard let account = mastodonController.persistentContainer.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
delegate?.showLoadingLargeImage(url: account.avatar, cache: .avatars, description: nil, animatingFrom: avatarImageView)
}
@objc func headerPressed() {
guard let account = mastodonController.cache.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
guard let account = mastodonController.persistentContainer.account(for: accountID) else { fatalError("Missing cached account \(accountID!)") }
delegate?.showLoadingLargeImage(url: account.header, cache: .headers, description: nil, animatingFrom: headerImageView)
}