121 lines
4.8 KiB
Swift
121 lines
4.8 KiB
Swift
//
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// WidgetDataEncoder.swift
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// NetNewsWire
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//
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// Created by Stuart Breckenridge on 18/11/20.
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// Copyright © 2020 Ranchero Software. All rights reserved.
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//
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import Foundation
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import WidgetKit
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import os.log
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import UIKit
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import RSCore
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import Articles
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public final class WidgetDataEncoder {
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private let log = OSLog(subsystem: Bundle.main.bundleIdentifier!, category: "Application")
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private var backgroundTaskID: UIBackgroundTaskIdentifier!
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private lazy var appGroup = Bundle.main.object(forInfoDictionaryKey: "AppGroup") as! String
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private lazy var containerURL = FileManager.default.containerURL(forSecurityApplicationGroupIdentifier: appGroup)
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private lazy var dataURL = containerURL?.appendingPathComponent("widget-data.json")
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static let shared = WidgetDataEncoder()
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private init () {}
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@available(iOS 14, *)
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func encodeWidgetData() throws {
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os_log(.debug, log: log, "Starting encoding widget data.")
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do {
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let unreadArticles = Array(try SmartFeedsController.shared.unreadFeed.fetchArticles()).sortedByDate(.orderedDescending)
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let starredArticles = Array(try SmartFeedsController.shared.starredFeed.fetchArticles()).sortedByDate(.orderedDescending)
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let todayArticles = Array(try SmartFeedsController.shared.todayFeed.fetchUnreadArticles()).sortedByDate(.orderedDescending)
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var unread = [LatestArticle]()
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var today = [LatestArticle]()
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var starred = [LatestArticle]()
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for article in unreadArticles {
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let latestArticle = LatestArticle(id: article.sortableArticleID,
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feedTitle: article.sortableName,
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articleTitle: ArticleStringFormatter.truncatedTitle(article).isEmpty ? article.contentHTML?.strippingHTML().trimmingWhitespace : ArticleStringFormatter.truncatedTitle(article),
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articleSummary: article.summary,
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feedIcon: article.iconImage()?.image.dataRepresentation(),
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pubDate: article.datePublished!.description)
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unread.append(latestArticle)
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if unread.count == 7 { break }
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}
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for article in starredArticles {
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let latestArticle = LatestArticle(id: article.sortableArticleID,
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feedTitle: article.sortableName,
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articleTitle: ArticleStringFormatter.truncatedTitle(article).isEmpty ? article.contentHTML?.strippingHTML().trimmingWhitespace : ArticleStringFormatter.truncatedTitle(article),
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articleSummary: article.summary,
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feedIcon: article.iconImage()?.image.dataRepresentation(),
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pubDate: article.datePublished!.description)
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starred.append(latestArticle)
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if starred.count == 7 { break }
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}
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for article in todayArticles {
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let latestArticle = LatestArticle(id: article.sortableArticleID,
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feedTitle: article.sortableName,
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articleTitle: ArticleStringFormatter.truncatedTitle(article).isEmpty ? article.contentHTML?.strippingHTML().trimmingWhitespace : ArticleStringFormatter.truncatedTitle(article),
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articleSummary: article.summary,
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feedIcon: article.iconImage()?.image.dataRepresentation(),
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pubDate: article.datePublished!.description)
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today.append(latestArticle)
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if today.count == 7 { break }
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}
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let latestData = WidgetData(currentUnreadCount: SmartFeedsController.shared.unreadFeed.unreadCount,
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currentTodayCount: try! SmartFeedsController.shared.todayFeed.fetchUnreadArticles().count,
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currentStarredCount: try! SmartFeedsController.shared.starredFeed.fetchArticles().count,
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unreadArticles: unread,
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starredArticles: starred,
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todayArticles:today,
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lastUpdateTime: Date())
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DispatchQueue.global().async { [weak self] in
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guard let self = self else { return }
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self.backgroundTaskID = UIApplication.shared.beginBackgroundTask (withName: "com.ranchero.NetNewsWire.Encode") {
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UIApplication.shared.endBackgroundTask(self.backgroundTaskID!)
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self.backgroundTaskID = .invalid
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}
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let encodedData = try? JSONEncoder().encode(latestData)
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os_log(.debug, log: self.log, "Finished encoding widget data.")
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if self.fileExists() {
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try? FileManager.default.removeItem(at: self.dataURL!)
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os_log(.debug, log: self.log, "Removed widget data from container.")
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}
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if FileManager.default.createFile(atPath: self.dataURL!.path, contents: encodedData, attributes: nil) {
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os_log(.debug, log: self.log, "Wrote widget data to container.")
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WidgetCenter.shared.reloadAllTimelines()
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UIApplication.shared.endBackgroundTask(self.backgroundTaskID!)
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self.backgroundTaskID = .invalid
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} else {
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UIApplication.shared.endBackgroundTask(self.backgroundTaskID!)
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self.backgroundTaskID = .invalid
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}
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}
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}
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}
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private func fileExists() -> Bool {
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FileManager.default.fileExists(atPath: dataURL!.path)
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}
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}
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