305 lines
9.2 KiB
Swift
305 lines
9.2 KiB
Swift
//
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// ActivityManager.swift
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// NetNewsWire-iOS
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//
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// Created by Maurice Parker on 8/23/19.
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// Copyright © 2019 Ranchero Software. All rights reserved.
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//
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import Foundation
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import CoreSpotlight
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import CoreServices
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import Account
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import Articles
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import Intents
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class ActivityManager {
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private var nextUnreadActivity: NSUserActivity?
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private var selectingActivity: NSUserActivity?
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private var readingActivity: NSUserActivity?
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private var readingArticle: Article?
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var stateRestorationActivity: NSUserActivity? {
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if readingActivity != nil {
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return readingActivity
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}
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return selectingActivity
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}
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init() {
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NotificationCenter.default.addObserver(self, selector: #selector(feedIconDidBecomeAvailable(_:)), name: .FeedIconDidBecomeAvailable, object: nil)
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}
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func invalidateCurrentActivities() {
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invalidateReading()
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invalidateSelecting()
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invalidateNextUnread()
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}
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func selectingToday() {
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invalidateCurrentActivities()
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let title = NSLocalizedString("See articles for “Today”", comment: "Today")
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selectingActivity = makeSelectingActivity(type: ActivityType.selectToday, title: title, identifier: "smartfeed.today")
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donate(selectingActivity!)
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}
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func selectingAllUnread() {
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invalidateCurrentActivities()
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let title = NSLocalizedString("See articles in “All Unread”", comment: "All Unread")
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selectingActivity = makeSelectingActivity(type: ActivityType.selectAllUnread, title: title, identifier: "smartfeed.allUnread")
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donate(selectingActivity!)
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}
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func selectingStarred() {
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invalidateCurrentActivities()
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let title = NSLocalizedString("See articles in “Starred”", comment: "Starred")
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selectingActivity = makeSelectingActivity(type: ActivityType.selectStarred, title: title, identifier: "smartfeed.starred")
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donate(selectingActivity!)
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}
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func selectingFolder(_ folder: Folder) {
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invalidateCurrentActivities()
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let localizedText = NSLocalizedString("See articles in “%@”", comment: "See articles in Folder")
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let title = NSString.localizedStringWithFormat(localizedText as NSString, folder.nameForDisplay) as String
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selectingActivity = makeSelectingActivity(type: ActivityType.selectFolder, title: title, identifier: ActivityManager.identifer(for: folder))
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selectingActivity!.userInfo = folder.deepLinkUserInfo
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donate(selectingActivity!)
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}
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func selectingFeed(_ feed: Feed) {
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invalidateCurrentActivities()
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let localizedText = NSLocalizedString("See articles in “%@”", comment: "See articles in Feed")
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let title = NSString.localizedStringWithFormat(localizedText as NSString, feed.nameForDisplay) as String
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selectingActivity = makeSelectingActivity(type: ActivityType.selectFeed, title: title, identifier: ActivityManager.identifer(for: feed))
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selectingActivity!.userInfo = feed.deepLinkUserInfo
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updateSelectingActivityFeedSearchAttributes(with: feed)
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donate(selectingActivity!)
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}
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func invalidateSelecting() {
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selectingActivity?.invalidate()
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selectingActivity = nil
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}
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func selectingNextUnread() {
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guard nextUnreadActivity == nil else { return }
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let title = NSLocalizedString("See first unread article", comment: "First Unread")
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nextUnreadActivity = makeSelectingActivity(type: ActivityType.nextUnread, title: title, identifier: "action.nextUnread")
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donate(nextUnreadActivity!)
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}
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func invalidateNextUnread() {
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nextUnreadActivity?.invalidate()
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nextUnreadActivity = nil
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}
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func reading(_ article: Article?) {
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invalidateReading()
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invalidateNextUnread()
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guard let article = article else { return }
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readingActivity = makeReadArticleActivity(article)
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#if os(iOS)
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updateReadArticleSearchAttributes(with: article)
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#endif
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donate(readingActivity!)
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}
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func invalidateReading() {
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readingActivity?.invalidate()
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readingActivity = nil
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readingArticle = nil
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}
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#if os(iOS)
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static func cleanUp(_ account: Account) {
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var ids = [String]()
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if let folders = account.folders {
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for folder in folders {
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ids.append(identifer(for: folder))
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}
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}
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for feed in account.flattenedFeeds() {
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ids.append(contentsOf: identifers(for: feed))
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}
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CSSearchableIndex.default().deleteSearchableItems(withIdentifiers: ids)
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}
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static func cleanUp(_ folder: Folder) {
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var ids = [String]()
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ids.append(identifer(for: folder))
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for feed in folder.flattenedFeeds() {
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ids.append(contentsOf: identifers(for: feed))
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}
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CSSearchableIndex.default().deleteSearchableItems(withIdentifiers: ids)
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}
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static func cleanUp(_ feed: Feed) {
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CSSearchableIndex.default().deleteSearchableItems(withIdentifiers: identifers(for: feed))
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}
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#endif
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@objc func feedIconDidBecomeAvailable(_ note: Notification) {
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guard let feed = note.userInfo?[UserInfoKey.feed] as? Feed, let activityFeedId = selectingActivity?.userInfo?[DeepLinkKey.feedID.rawValue] as? String else {
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return
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}
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#if os(iOS)
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if let article = readingArticle, activityFeedId == article.feedID {
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updateReadArticleSearchAttributes(with: article)
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}
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#endif
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if activityFeedId == feed.feedID {
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updateSelectingActivityFeedSearchAttributes(with: feed)
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}
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}
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}
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// MARK: Private
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private extension ActivityManager {
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func makeSelectingActivity(type: ActivityType, title: String, identifier: String) -> NSUserActivity {
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let activity = NSUserActivity(activityType: type.rawValue)
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activity.title = title
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activity.keywords = Set(makeKeywords(title))
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activity.isEligibleForSearch = true
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#if os(iOS)
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activity.suggestedInvocationPhrase = title
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activity.isEligibleForPrediction = true
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activity.persistentIdentifier = identifier
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activity.contentAttributeSet?.relatedUniqueIdentifier = identifier
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#endif
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return activity
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}
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func makeReadArticleActivity(_ article: Article) -> NSUserActivity {
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let activity = NSUserActivity(activityType: ActivityType.readArticle.rawValue)
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activity.title = article.title
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activity.userInfo = article.deepLinkUserInfo
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activity.isEligibleForHandoff = true
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#if os(iOS)
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activity.keywords = Set(makeKeywords(article))
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activity.isEligibleForSearch = true
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activity.isEligibleForPrediction = false
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activity.persistentIdentifier = ActivityManager.identifer(for: article)
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updateReadArticleSearchAttributes(with: article)
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#endif
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readingArticle = article
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return activity
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}
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#if os(iOS)
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func updateReadArticleSearchAttributes(with article: Article) {
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let attributeSet = CSSearchableItemAttributeSet(itemContentType: kUTTypeCompositeContent as String)
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attributeSet.title = article.title
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attributeSet.contentDescription = article.summary
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attributeSet.keywords = makeKeywords(article)
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attributeSet.relatedUniqueIdentifier = ActivityManager.identifer(for: article)
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if let image = article.avatarImage() {
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attributeSet.thumbnailData = image.pngData()
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}
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readingActivity?.contentAttributeSet = attributeSet
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readingActivity?.needsSave = true
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}
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#endif
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func makeKeywords(_ article: Article) -> [String] {
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let feedNameKeywords = makeKeywords(article.feed?.nameForDisplay)
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let articleTitleKeywords = makeKeywords(article.title)
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return feedNameKeywords + articleTitleKeywords
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}
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func makeKeywords(_ value: String?) -> [String] {
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return value?.components(separatedBy: " ").filter { $0.count > 2 } ?? []
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}
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func updateSelectingActivityFeedSearchAttributes(with feed: Feed) {
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let attributeSet = CSSearchableItemAttributeSet(itemContentType: kUTTypeItem as String)
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attributeSet.title = feed.nameForDisplay
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attributeSet.keywords = makeKeywords(feed.nameForDisplay)
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attributeSet.relatedUniqueIdentifier = ActivityManager.identifer(for: feed)
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if let image = appDelegate.feedIconDownloader.icon(for: feed) {
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#if os(iOS)
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attributeSet.thumbnailData = image.pngData()
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#else
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attributeSet.thumbnailData = image.tiffRepresentation
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#endif
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} else if let image = appDelegate.faviconDownloader.faviconAsAvatar(for: feed) {
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#if os(iOS)
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attributeSet.thumbnailData = image.pngData()
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#else
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attributeSet.thumbnailData = image.tiffRepresentation
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#endif
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}
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selectingActivity!.contentAttributeSet = attributeSet
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selectingActivity!.needsSave = true
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}
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func donate(_ activity: NSUserActivity) {
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// You have to put the search item in the index or the activity won't index
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// itself because the relatedUniqueIdentifier on the activity attributeset is populated.
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if let attributeSet = activity.contentAttributeSet {
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let identifier = attributeSet.relatedUniqueIdentifier
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let tempAttributeSet = CSSearchableItemAttributeSet(itemContentType: kUTTypeItem as String)
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let searchableItem = CSSearchableItem(uniqueIdentifier: identifier, domainIdentifier: nil, attributeSet: tempAttributeSet)
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CSSearchableIndex.default().indexSearchableItems([searchableItem])
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}
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activity.becomeCurrent()
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}
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static func identifer(for folder: Folder) -> String {
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return "account_\(folder.account!.accountID)_folder_\(folder.nameForDisplay)"
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}
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static func identifer(for feed: Feed) -> String {
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return "account_\(feed.account!.accountID)_feed_\(feed.feedID)"
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}
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static func identifer(for article: Article) -> String {
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return "account_\(article.accountID)_feed_\(article.feedID)_article_\(article.articleID)"
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}
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static func identifers(for feed: Feed) -> [String] {
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var ids = [String]()
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ids.append(identifer(for: feed))
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for article in feed.fetchArticles() {
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ids.append(identifer(for: article))
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}
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return ids
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}
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}
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