82 lines
2.2 KiB
Swift
82 lines
2.2 KiB
Swift
//
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// SidebarModel.swift
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// NetNewsWire
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//
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// Created by Maurice Parker on 6/28/20.
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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 RSCore
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import Account
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protocol SidebarModelDelegate: class {
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func sidebarSelectionDidChange(_: SidebarModel, feeds: [Feed]?)
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func unreadCount(for: Feed) -> Int
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}
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class SidebarModel: ObservableObject {
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weak var delegate: SidebarModelDelegate?
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@Published var sidebarItems = [SidebarItem]()
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init() {
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NotificationCenter.default.addObserver(self, selector: #selector(unreadCountDidInitialize(_:)), name: .UnreadCountDidInitialize, object: nil)
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}
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// MARK: API
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func rebuildSidebarItems() {
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guard let delegate = delegate else { return }
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var items = [SidebarItem]()
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var smartFeedControllerItem = SidebarItem(SmartFeedsController.shared)
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for feed in SmartFeedsController.shared.smartFeeds {
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smartFeedControllerItem.addChild(SidebarItem(feed, unreadCount: delegate.unreadCount(for: feed)))
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}
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items.append(smartFeedControllerItem)
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for account in AccountManager.shared.sortedActiveAccounts {
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var accountItem = SidebarItem(account)
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for webFeed in sort(account.topLevelWebFeeds) {
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accountItem.addChild(SidebarItem(webFeed, unreadCount: delegate.unreadCount(for: webFeed)))
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}
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for folder in sort(account.folders ?? Set<Folder>()) {
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var folderItem = SidebarItem(folder, unreadCount: delegate.unreadCount(for: folder))
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for webFeed in sort(folder.topLevelWebFeeds) {
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folderItem.addChild(SidebarItem(webFeed, unreadCount: delegate.unreadCount(for: webFeed)))
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}
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accountItem.addChild(folderItem)
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}
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items.append(accountItem)
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}
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sidebarItems = items
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}
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}
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// MARK: Private
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private extension SidebarModel {
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@objc func unreadCountDidInitialize(_ notification: Notification) {
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guard notification.object is AccountManager else {
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return
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}
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rebuildSidebarItems()
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}
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func sort(_ folders: Set<Folder>) -> [Folder] {
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return folders.sorted(by: { $0.nameForDisplay.localizedStandardCompare($1.nameForDisplay) == .orderedAscending })
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}
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func sort(_ feeds: Set<WebFeed>) -> [Feed] {
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return feeds.sorted(by: { $0.nameForDisplay.localizedStandardCompare($1.nameForDisplay) == .orderedAscending })
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}
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}
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