111 lines
4.1 KiB
Swift
111 lines
4.1 KiB
Swift
//
|
|
// HashtagTimelineViewController.swift
|
|
// Tusker
|
|
//
|
|
// Created by Shadowfacts on 12/19/19.
|
|
// Copyright © 2019 Shadowfacts. All rights reserved.
|
|
//
|
|
|
|
import UIKit
|
|
import Pachyderm
|
|
|
|
class HashtagTimelineViewController: TimelineViewController {
|
|
|
|
let hashtagName: String
|
|
private var hashtag: Hashtag?
|
|
private var fetchHashtag: Task<Hashtag?, Never>?
|
|
|
|
var toggleSaveButton: UIBarButtonItem!
|
|
|
|
var isHashtagSaved: Bool {
|
|
let req = SavedHashtag.fetchRequest(name: hashtagName, account: mastodonController.accountInfo!)
|
|
return mastodonController.persistentContainer.viewContext.objectExists(for: req)
|
|
}
|
|
|
|
private var isHashtagFollowed: Bool {
|
|
mastodonController.followedHashtags.contains(where: { $0.name == hashtagName })
|
|
}
|
|
|
|
convenience init(for hashtag: Hashtag, mastodonController: MastodonController) {
|
|
self.init(forNamed: hashtag.name, mastodonController: mastodonController)
|
|
self.hashtag = hashtag
|
|
}
|
|
|
|
init(forNamed name: String, mastodonController: MastodonController) {
|
|
self.hashtagName = name
|
|
|
|
super.init(for: .tag(hashtag: hashtagName), mastodonController: mastodonController)
|
|
}
|
|
|
|
required init?(coder aDecoder: NSCoder) {
|
|
fatalError("init(coder:) has not been implemented")
|
|
}
|
|
|
|
override func viewDidLoad() {
|
|
super.viewDidLoad()
|
|
|
|
if hashtag == nil {
|
|
fetchHashtag = Task {
|
|
let name = hashtagName.lowercased()
|
|
let hashtag: Hashtag?
|
|
if mastodonController.instanceFeatures.hasMastodonVersion(4, 0, 0) {
|
|
let req = Client.getHashtag(name: name)
|
|
hashtag = try? await mastodonController.run(req).0
|
|
} else {
|
|
let req = Client.search(query: "#\(name)", types: [.hashtags])
|
|
let results = try? await mastodonController.run(req).0
|
|
hashtag = results?.hashtags.first(where: { $0.name.lowercased() == name })
|
|
}
|
|
self.hashtag = hashtag
|
|
return hashtag
|
|
}
|
|
}
|
|
|
|
let menu = UIMenu(children: [
|
|
// uncached so that the saved/followed updates every time
|
|
UIDeferredMenuElement.uncached({ [unowned self] elementHandler in
|
|
if let hashtag = self.hashtag {
|
|
elementHandler(actionsForHashtag(hashtag, source: .barButtonItem(self.navigationItem.rightBarButtonItem!)))
|
|
} else {
|
|
Task {
|
|
if let hashtag = await fetchHashtag?.value {
|
|
elementHandler(actionsForHashtag(hashtag, source: .barButtonItem(self.navigationItem.rightBarButtonItem!)))
|
|
} else {
|
|
elementHandler([])
|
|
}
|
|
}
|
|
}
|
|
})
|
|
])
|
|
navigationItem.rightBarButtonItem = UIBarButtonItem(image: UIImage(systemName: "ellipsis"), menu: menu)
|
|
}
|
|
|
|
private func toggleSave() {
|
|
let context = mastodonController.persistentContainer.viewContext
|
|
if let existing = try? context.fetch(SavedHashtag.fetchRequest(name: hashtagName, account: mastodonController.accountInfo!)).first {
|
|
context.delete(existing)
|
|
mastodonController.persistentContainer.save(context: context)
|
|
} else {
|
|
Task { @MainActor in
|
|
let hashtag: Hashtag?
|
|
if let tag = self.hashtag {
|
|
hashtag = tag
|
|
} else {
|
|
hashtag = await fetchHashtag?.value
|
|
}
|
|
if let hashtag {
|
|
_ = SavedHashtag(hashtag: hashtag, account: mastodonController.accountInfo!, context: context)
|
|
mastodonController.persistentContainer.save(context: context)
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
private func toggleFollow() {
|
|
Task {
|
|
await ToggleFollowHashtagService(hashtagName: hashtagName, presenter: self).toggleFollow()
|
|
}
|
|
}
|
|
|
|
}
|