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Convert conversation VC to use CoreData models

This commit is contained in:
Shadowfacts 2020-04-13 22:41:31 -04:00
parent ed37b16463
commit 030bee1948
Signed by untrusted user: shadowfacts
GPG Key ID: 94A5AB95422746E5
3 changed files with 41 additions and 24 deletions
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4
Pachyderm/Model/Status.swift
View File

@ -38,8 +38,8 @@ public class Status: Decodable {
public let bookmarked: Bool?
public let card: Card?
public static func getContext(_ status: Status) -> Request<ConversationContext> {
return Request<ConversationContext>(method: .get, path: "/api/v1/statuses/\(status.id)/context")
public static func getContext(_ statusID: String) -> Request<ConversationContext> {
return Request<ConversationContext>(method: .get, path: "/api/v1/statuses/\(statusID)/context")
}
public static func getCard(_ status: Status) -> Request<Card> {

55
Tusker/Screens/Conversation/ConversationTableViewController.swift
View File

@ -42,6 +42,13 @@ class ConversationTableViewController: EnhancedTableViewController {
fatalError("init(coder:) has not been implemented")
}
deinit {
mastodonController.persistentContainer.status(for: mainStatusID)?.decrementReferenceCount()
for (id, _) in statuses {
mastodonController.persistentContainer.status(for: id)?.decrementReferenceCount()
}
}
override func viewDidLoad() {
super.viewDidLoad()
@ -58,32 +65,42 @@ class ConversationTableViewController: EnhancedTableViewController {
statuses = [(mainStatusID, mainStatusState)]
guard let mainStatus = mastodonController.cache.status(for: mainStatusID) else { fatalError("Missing cached status \(mainStatusID)") }
guard let mainStatus = self.mastodonController.persistentContainer.status(for: self.mainStatusID) else {
fatalError("Missing cached status \(self.mainStatusID)")
}
let mainStatusInReplyToID = mainStatus.inReplyToID
mainStatus.incrementReferenceCount()
let request = Status.getContext(mainStatus)
let request = Status.getContext(mainStatusID)
mastodonController.run(request) { response in
guard case let .success(context, _) = response else { fatalError() }
let parents = self.getDirectParents(of: mainStatus, from: context.ancestors)
self.mastodonController.cache.addAll(statuses: parents)
self.mastodonController.cache.addAll(statuses: context.descendants)
self.statuses = parents.map { ($0.id, .unknown) } + self.statuses + context.descendants.map { ($0.id, .unknown) }
let indexPath = IndexPath(row: parents.count, section: 0)
DispatchQueue.main.async {
self.tableView.scrollToRow(at: indexPath, at: .middle, animated: false)
let parents = self.getDirectParents(inReplyTo: mainStatusInReplyToID, from: context.ancestors)
let parentStatuses = context.ancestors.filter { parents.contains($0.id) }
self.mastodonController.persistentContainer.addAll(statuses: parentStatuses) {
self.mastodonController.persistentContainer.addAll(statuses: context.descendants) {
self.statuses = parents.map { ($0, .unknown) } + self.statuses + context.descendants.map { ($0.id, .unknown) }
let indexPath = IndexPath(row: parents.count, section: 0)
DispatchQueue.main.async {
self.tableView.scrollToRow(at: indexPath, at: .middle, animated: false)
}
}
}
}
}
func getDirectParents(of status: Status, from statuses: [Status]) -> [Status] {
func getDirectParents(inReplyTo inReplyToID: String?, from statuses: [Status]) -> [String] {
var statuses = statuses
var parents: [Status] = []
var currentStatus: Status? = status
while currentStatus != nil {
guard let index = statuses.firstIndex(where: { $0.id == currentStatus!.inReplyToID }) else { break }
let parent = statuses.remove(at: index)
parents.insert(parent, at: 0)
currentStatus = parent
var parents = [String]()
var parentID: String? = inReplyToID
while parentID != nil, let parentIndex = statuses.firstIndex(where: { $0.id == parentID }) {
let parentStatus = statuses.remove(at: parentIndex)
parents.insert(parentStatus.id, at: 0)
parentID = parentStatus.inReplyToID
}
return parents
}
@ -169,7 +186,7 @@ extension ConversationTableViewController: StatusTableViewCellDelegate {
extension ConversationTableViewController: UITableViewDataSourcePrefetching {
func tableView(_ tableView: UITableView, prefetchRowsAt indexPaths: [IndexPath]) {
for indexPath in indexPaths {
guard let status = mastodonController.cache.status(for: statuses[indexPath.row].id) else { continue }
guard let status = mastodonController.persistentContainer.status(for: statuses[indexPath.row].id) else { continue }
_ = ImageCache.avatars.get(status.account.avatar, completion: nil)
for attachment in status.attachments {
_ = ImageCache.attachments.get(attachment.url, completion: nil)
@ -179,7 +196,7 @@ extension ConversationTableViewController: UITableViewDataSourcePrefetching {
func tableView(_ tableView: UITableView, cancelPrefetchingForRowsAt indexPaths: [IndexPath]) {
for indexPath in indexPaths {
guard let status = mastodonController.cache.status(for: statuses[indexPath.row].id) else { continue }
guard let status = mastodonController.persistentContainer.status(for: statuses[indexPath.row].id) else { continue }
ImageCache.avatars.cancelWithoutCallback(status.account.avatar)
for attachment in status.attachments {
ImageCache.attachments.cancelWithoutCallback(attachment.url)

4
Tusker/Views/Status/ConversationMainStatusTableViewCell.swift
View File

@ -40,11 +40,11 @@ class ConversationMainStatusTableViewCell: BaseStatusTableViewCell {
override func updateUI(statusID: String, state: StatusState) {
super.updateUI(statusID: statusID, state: state)
guard let status = mastodonController.cache.status(for: statusID) else { fatalError() }
guard let status = mastodonController.persistentContainer.status(for: statusID) else { fatalError() }
var timestampAndClientText = ConversationMainStatusTableViewCell.dateFormatter.string(from: status.createdAt)
if let application = status.application {
timestampAndClientText += " • \(application.name)"
timestampAndClientText += " • \(application)"
}
timestampAndClientLabel.text = timestampAndClientText
}