94 lines
2.9 KiB
Swift
94 lines
2.9 KiB
Swift
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//
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// MarkStatusCommand.swift
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// Evergreen
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//
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// Created by Brent Simmons on 10/26/17.
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// Copyright © 2017 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 Data
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// Mark articles read/unread, starred/unstarred, deleted/undeleted.
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final class MarkStatusCommand: UndoableCommand {
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let undoActionName: String
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let redoActionName: String
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let articles: Set<Article>
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let undoManager: UndoManager
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let flag: Bool
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let statusKey: ArticleStatus.Key
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init?(initialArticles: [Article], statusKey: ArticleStatus.Key, flag: Bool, undoManager: UndoManager) {
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// Filter out articles that already have the desired status.
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let articlesToMark = MarkStatusCommand.filteredArticles(initialArticles, statusKey, flag)
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if articlesToMark.isEmpty {
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return nil
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}
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self.articles = Set(articlesToMark)
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self.flag = flag
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self.statusKey = statusKey
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self.undoManager = undoManager
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let actionName = MarkStatusCommand.actionName(statusKey, flag)
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self.undoActionName = actionName
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self.redoActionName = actionName
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}
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convenience init?(initialArticles: [Article], markingRead: Bool, undoManager: UndoManager) {
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self.init(initialArticles: initialArticles, statusKey: .read, flag: markingRead, undoManager: undoManager)
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}
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convenience init?(initialArticles: [Article], markingStarred: Bool, undoManager: UndoManager) {
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self.init(initialArticles: initialArticles, statusKey: .starred, flag: markingStarred, undoManager: undoManager)
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}
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func perform() {
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mark(statusKey, flag)
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registerUndo()
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}
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func undo() {
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mark(statusKey, !flag)
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registerRedo()
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}
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}
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private extension MarkStatusCommand {
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func mark(_ statusKey: ArticleStatus.Key, _ flag: Bool) {
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markArticles(articles, statusKey: statusKey, flag: flag)
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}
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static private let markReadActionName = NSLocalizedString("Mark Read", comment: "command")
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static private let markUnreadActionName = NSLocalizedString("Mark Unread", comment: "command")
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static private let markStarredActionName = NSLocalizedString("Mark Starred", comment: "command")
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static private let markUnstarredActionName = NSLocalizedString("Mark Unstarred", comment: "command")
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static private let markDeletedActionName = NSLocalizedString("Delete", comment: "command")
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static private let markUndeletedActionName = NSLocalizedString("Undelete", comment: "command")
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static func actionName(_ statusKey: ArticleStatus.Key, _ flag: Bool) -> String {
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switch statusKey {
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case .read:
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return flag ? markReadActionName : markUnreadActionName
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case .starred:
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return flag ? markStarredActionName : markUnstarredActionName
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case .userDeleted:
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return flag ? markDeletedActionName : markUndeletedActionName
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}
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}
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static func filteredArticles(_ articles: [Article], _ statusKey: ArticleStatus.Key, _ flag: Bool) -> [Article] {
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return articles.filter{ $0.status.boolStatus(forKey: statusKey) != flag }
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}
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}
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