mirror of
https://github.com/Ranchero-Software/NetNewsWire.git
synced 2024-12-12 09:26:26 +01:00
475 lines
11 KiB
Swift
475 lines
11 KiB
Swift
//
|
||
// Account.swift
|
||
// DataModel
|
||
//
|
||
// Created by Brent Simmons on 7/1/17.
|
||
// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
|
||
//
|
||
|
||
import Foundation
|
||
import RSCore
|
||
import Data
|
||
import RSParser
|
||
import Database
|
||
import RSWeb
|
||
|
||
public extension Notification.Name {
|
||
|
||
public static let AccountRefreshDidBegin = Notification.Name(rawValue: "AccountRefreshDidBegin")
|
||
public static let AccountRefreshDidFinish = Notification.Name(rawValue: "AccountRefreshDidFinish")
|
||
public static let AccountRefreshProgressDidChange = Notification.Name(rawValue: "AccountRefreshProgressDidChange")
|
||
public static let AccountDidDownloadArticles = Notification.Name(rawValue: "AccountDidDownloadArticles")
|
||
|
||
public static let StatusesDidChange = Notification.Name(rawValue: "StatusesDidChange")
|
||
}
|
||
|
||
public enum AccountType: Int {
|
||
|
||
// Raw values should not change since they’re stored on disk.
|
||
case onMyMac = 1
|
||
case feedly = 16
|
||
case feedbin = 17
|
||
case feedWrangler = 18
|
||
case newsBlur = 19
|
||
// TODO: more
|
||
}
|
||
|
||
public final class Account: DisplayNameProvider, UnreadCountProvider, Container, Hashable {
|
||
|
||
public struct UserInfoKey {
|
||
public static let newArticles = "newArticles" // AccountDidDownloadArticles
|
||
public static let updatedArticles = "updatedArticles" // AccountDidDownloadArticles
|
||
public static let statuses = "statuses" // StatusesDidChange
|
||
public static let articles = "articles" // StatusesDidChange
|
||
public static let feeds = "feeds" // StatusesDidChange
|
||
}
|
||
|
||
public let accountID: String
|
||
public let type: AccountType
|
||
public var nameForDisplay = ""
|
||
public let hashValue: Int
|
||
public var children = [AnyObject]()
|
||
let settingsFile: String
|
||
let dataFolder: String
|
||
let database: Database
|
||
let delegate: AccountDelegate
|
||
var feedIDDictionary = [String: Feed]()
|
||
var username: String?
|
||
var saveTimer: Timer?
|
||
|
||
public var dirty = false {
|
||
didSet {
|
||
|
||
if refreshInProgress {
|
||
if let _ = saveTimer {
|
||
removeSaveTimer()
|
||
}
|
||
return
|
||
}
|
||
|
||
if dirty {
|
||
resetSaveTimer()
|
||
}
|
||
else {
|
||
removeSaveTimer()
|
||
}
|
||
}
|
||
}
|
||
|
||
public var unreadCount = 0 {
|
||
didSet {
|
||
if unreadCount != oldValue {
|
||
postUnreadCountDidChangeNotification()
|
||
}
|
||
}
|
||
}
|
||
|
||
var refreshInProgress = false {
|
||
didSet {
|
||
if refreshInProgress != oldValue {
|
||
if refreshInProgress {
|
||
NotificationCenter.default.post(name: .AccountRefreshDidBegin, object: self)
|
||
}
|
||
else {
|
||
NotificationCenter.default.post(name: .AccountRefreshDidFinish, object: self)
|
||
if dirty {
|
||
resetSaveTimer()
|
||
}
|
||
}
|
||
}
|
||
}
|
||
}
|
||
|
||
var refreshProgress: DownloadProgress {
|
||
get {
|
||
return delegate.refreshProgress
|
||
}
|
||
}
|
||
|
||
var hasAtLeastOneFeed: Bool {
|
||
get {
|
||
return !feedIDDictionary.isEmpty
|
||
}
|
||
}
|
||
|
||
var supportsSubFolders: Bool {
|
||
get {
|
||
return delegate.supportsSubFolders
|
||
}
|
||
}
|
||
|
||
init?(dataFolder: String, settingsFile: String, type: AccountType, accountID: String) {
|
||
|
||
// TODO: support various syncing systems.
|
||
precondition(type == .onMyMac)
|
||
self.delegate = LocalAccountDelegate()
|
||
|
||
self.accountID = accountID
|
||
self.type = type
|
||
self.settingsFile = settingsFile
|
||
self.dataFolder = dataFolder
|
||
self.hashValue = accountID.hashValue
|
||
|
||
let databaseFilePath = (dataFolder as NSString).appendingPathComponent("DB.sqlite3")
|
||
self.database = Database(databaseFilePath: databaseFilePath, accountID: accountID)
|
||
|
||
NotificationCenter.default.addObserver(self, selector: #selector(downloadProgressDidChange(_:)), name: .DownloadProgressDidChange, object: nil)
|
||
|
||
pullObjectsFromDisk()
|
||
}
|
||
|
||
// MARK: - API
|
||
|
||
public func refreshAll() {
|
||
|
||
delegate.refreshAll(for: self)
|
||
}
|
||
|
||
func update(_ feed: Feed, with parsedFeed: ParsedFeed, _ completion: @escaping RSVoidCompletionBlock) {
|
||
|
||
database.update(feed: feed, parsedFeed: parsedFeed) { (newArticles, updatedArticles) in
|
||
|
||
var userInfo = [String: Any]()
|
||
if let newArticles = newArticles, !newArticles.isEmpty {
|
||
self.updateUnreadCounts(for: Set([feed]))
|
||
userInfo[UserInfoKey.newArticles] = newArticles
|
||
}
|
||
if let updatedArticles = updatedArticles, !updatedArticles.isEmpty {
|
||
userInfo[UserInfoKey.updatedArticles] = updatedArticles
|
||
}
|
||
|
||
completion()
|
||
|
||
NotificationCenter.default.post(name: .AccountDidDownloadArticles, object: self, userInfo: userInfo.isEmpty ? nil : userInfo)
|
||
}
|
||
}
|
||
|
||
public func markArticles(_ articles: Set<Article>, statusKey: ArticleStatus.Key, flag: Bool) {
|
||
|
||
guard let updatedStatuses = database.mark(articles, statusKey: statusKey, flag: flag) else {
|
||
return
|
||
}
|
||
|
||
let updatedArticleIDs = updatedStatuses.articleIDs()
|
||
let updatedArticles = Set(articles.filter{ updatedArticleIDs.contains($0.articleID) })
|
||
|
||
noteStatusesForArticlesDidChange(updatedArticles)
|
||
}
|
||
|
||
public func ensureFolder(with name: String) -> Folder? {
|
||
|
||
return nil //TODO
|
||
}
|
||
|
||
public func canAddFeed(_ feed: Feed, to folder: Folder?) -> Bool {
|
||
|
||
// If folder is nil, then it should go at the top level.
|
||
// The same feed in multiple folders is allowed.
|
||
// But the same feed can’t appear twice in the same folder
|
||
// (or at the top level).
|
||
|
||
return true // TODO
|
||
}
|
||
|
||
public func addFeed(_ feed: Feed, to folder: Folder?) -> Bool {
|
||
|
||
// Return false if it couldn’t be added.
|
||
// If it already existed in that folder, return true.
|
||
|
||
var didAddFeed = false
|
||
let uniquedFeed = existingFeed(with: feed.feedID) ?? feed
|
||
|
||
if let folder = folder {
|
||
didAddFeed = folder.addFeed(uniquedFeed)
|
||
}
|
||
else {
|
||
if !topLevelObjectsContainsFeed(uniquedFeed) {
|
||
children += [uniquedFeed]
|
||
}
|
||
didAddFeed = true
|
||
}
|
||
|
||
updateFeedIDDictionary()
|
||
return didAddFeed // TODO
|
||
}
|
||
|
||
public func createFeed(with name: String?, editedName: String?, url: String) -> Feed? {
|
||
|
||
// For syncing, this may need to be an async method with a callback,
|
||
// since it will likely need to call the server.
|
||
|
||
if let feed = existingFeed(withURL: url) {
|
||
if let editedName = editedName {
|
||
feed.editedName = editedName
|
||
}
|
||
return feed
|
||
}
|
||
|
||
let feed = Feed(accountID: accountID, url: url, feedID: url)
|
||
feed.name = name
|
||
feed.editedName = editedName
|
||
return feed
|
||
}
|
||
|
||
public func canAddFolder(_ folder: Folder, to containingFolder: Folder?) -> Bool {
|
||
|
||
return false // TODO
|
||
}
|
||
|
||
public func addFolder(_ folder: Folder, to containingFolder: Folder?) -> Bool {
|
||
|
||
return false // TODO
|
||
}
|
||
|
||
public func importOPML(_ opmlDocument: RSOPMLDocument) {
|
||
|
||
guard let children = opmlDocument.children else {
|
||
return
|
||
}
|
||
importOPMLItems(children, parentFolder: nil, foldersAllowed: true)
|
||
dirty = true
|
||
}
|
||
|
||
public func updateUnreadCounts(for feeds: Set<Feed>) {
|
||
|
||
database.fetchUnreadCounts(for: feeds) { (unreadCountDictionary) in
|
||
|
||
for feed in feeds {
|
||
if let unreadCount = unreadCountDictionary[feed] {
|
||
feed.unreadCount = unreadCount
|
||
}
|
||
}
|
||
|
||
self.dirty = true
|
||
}
|
||
}
|
||
|
||
public func fetchArticles(for feed: Feed) -> Set<Article> {
|
||
|
||
return database.fetchArticles(for: feed)
|
||
}
|
||
|
||
public func fetchArticles(folder: Folder) -> Set<Article> {
|
||
|
||
return database.fetchUnreadArticles(for: folder.flattenedFeeds())
|
||
}
|
||
|
||
// MARK: - Notifications
|
||
|
||
@objc func downloadProgressDidChange(_ note: Notification) {
|
||
|
||
guard let noteObject = note.object as? DownloadProgress, noteObject === refreshProgress else {
|
||
return
|
||
}
|
||
|
||
refreshInProgress = refreshProgress.numberRemaining > 0
|
||
NotificationCenter.default.post(name: .AccountRefreshProgressDidChange, object: self)
|
||
}
|
||
|
||
// MARK: - Equatable
|
||
|
||
public class func ==(lhs: Account, rhs: Account) -> Bool {
|
||
|
||
return lhs === rhs
|
||
}
|
||
}
|
||
|
||
|
||
// MARK: - Disk (Public)
|
||
|
||
extension Account {
|
||
|
||
func objects(with diskObjects: [[String: Any]]) -> [AnyObject] {
|
||
|
||
return diskObjects.flatMap { object(with: $0) }
|
||
}
|
||
}
|
||
|
||
// MARK: - Disk (Private)
|
||
|
||
private extension Account {
|
||
|
||
struct Key {
|
||
static let children = "children"
|
||
}
|
||
|
||
func object(with diskObject: [String: Any]) -> AnyObject? {
|
||
|
||
if Feed.isFeedDictionary(diskObject) {
|
||
return Feed(accountID: accountID, dictionary: diskObject)
|
||
}
|
||
return Folder(account: self, dictionary: diskObject)
|
||
}
|
||
|
||
func pullObjectsFromDisk() {
|
||
|
||
let settingsFileURL = URL(fileURLWithPath: settingsFile)
|
||
guard let d = NSDictionary(contentsOf: settingsFileURL) as? [String: Any] else {
|
||
return
|
||
}
|
||
guard let childrenArray = d[Key.children] as? [[String: Any]] else {
|
||
return
|
||
}
|
||
children = objects(with: childrenArray)
|
||
updateFeedIDDictionary()
|
||
}
|
||
|
||
func diskDictionary() -> NSDictionary {
|
||
|
||
let diskObjects = children.flatMap { (object) -> [String: Any]? in
|
||
|
||
if let folder = object as? Folder {
|
||
return folder.dictionary
|
||
}
|
||
else if let feed = object as? Feed {
|
||
return feed.dictionary
|
||
}
|
||
return nil
|
||
}
|
||
|
||
var d = [String: Any]()
|
||
d[Key.children] = diskObjects as NSArray
|
||
return d as NSDictionary
|
||
}
|
||
|
||
func saveToDiskIfNeeded() {
|
||
|
||
if !dirty {
|
||
return
|
||
}
|
||
|
||
if refreshInProgress {
|
||
resetSaveTimer()
|
||
return
|
||
}
|
||
|
||
saveToDisk()
|
||
dirty = false
|
||
}
|
||
|
||
func saveToDisk() {
|
||
|
||
let d = diskDictionary()
|
||
do {
|
||
try RSPlist.write(d, filePath: settingsFile)
|
||
}
|
||
catch let error as NSError {
|
||
NSApplication.shared.presentError(error)
|
||
}
|
||
}
|
||
|
||
func resetSaveTimer() {
|
||
|
||
saveTimer?.rs_invalidateIfValid()
|
||
|
||
saveTimer = Timer.scheduledTimer(withTimeInterval: 1.0, repeats: false) { (timer) in
|
||
self.saveToDiskIfNeeded()
|
||
}
|
||
}
|
||
|
||
func removeSaveTimer() {
|
||
|
||
saveTimer?.rs_invalidateIfValid()
|
||
saveTimer = nil
|
||
}
|
||
}
|
||
|
||
// MARK: - Private
|
||
|
||
private extension Account {
|
||
|
||
func updateFeedIDDictionary() {
|
||
|
||
var d = [String: Feed]()
|
||
for feed in flattenedFeeds() {
|
||
d[feed.feedID] = feed
|
||
}
|
||
feedIDDictionary = d
|
||
}
|
||
|
||
func topLevelObjectsContainsFeed(_ feed: Feed) -> Bool {
|
||
|
||
return children.contains(where: { (object) -> Bool in
|
||
if let oneFeed = object as? Feed {
|
||
if oneFeed.feedID == feed.feedID {
|
||
return true
|
||
}
|
||
}
|
||
return false
|
||
})
|
||
}
|
||
|
||
func importOPMLItems(_ items: [RSOPMLItem], parentFolder: Folder?, foldersAllowed: Bool) {
|
||
|
||
for item in items {
|
||
|
||
if let feedSpecifier = item.feedSpecifier {
|
||
if hasFeed(withURL: feedSpecifier.feedURL) {
|
||
continue
|
||
}
|
||
|
||
}
|
||
|
||
if item.isFolder {
|
||
|
||
}
|
||
else {
|
||
|
||
}
|
||
}
|
||
}
|
||
|
||
func updateUnreadCount() {
|
||
|
||
unreadCount = calculateUnreadCount(children)
|
||
}
|
||
|
||
func noteStatusesForArticlesDidChange(articles: Set<Article>) {
|
||
|
||
let feeds = articles.feeds()
|
||
let statuses = articles.statuses()
|
||
|
||
// .UnreadCountDidChange notification will get sent to Folder and Account objects,
|
||
// which will update their own unread counts.
|
||
updateUnreadCounts(for: feeds)
|
||
|
||
NotificationCenter.default.post(name: .StatusesDidChange, object: self, userInfo: [UserInfoKey.statuses: statuses, UserInfoKey.articles: articles, UserInfoKey.feeds: feeds])
|
||
}
|
||
}
|
||
|
||
// MARK: - OPMLRepresentable
|
||
|
||
extension Account: OPMLRepresentable {
|
||
|
||
public func OPMLString(indentLevel: Int) -> String {
|
||
|
||
var s = ""
|
||
for oneObject in children {
|
||
if let oneOPMLObject = oneObject as? OPMLRepresentable {
|
||
s += oneOPMLObject.OPMLString(indentLevel: indentLevel + 1)
|
||
}
|
||
}
|
||
return s
|
||
}
|
||
}
|