NetNewsWire/Frameworks/Articles/ArticleStatus.swift

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//
// ArticleStatus.swift
// DataModel
//
// Created by Brent Simmons on 7/1/17.
// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
//
import Foundation
// Threading rules:
// * Main-thread only
// * Except: may be created on background thread by StatusesTable.
// Which is safe, because at creation time itt not yet shared,
// and it wont be mutated ever on a background thread.
public final class ArticleStatus: Hashable {
public enum Key: String {
case read = "read"
case starred = "starred"
case userDeleted = "userDeleted"
}
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public let articleID: String
public let dateArrived: Date
public var read = false
public var starred = false
public var userDeleted = false
public init(articleID: String, read: Bool, starred: Bool, userDeleted: Bool, dateArrived: Date) {
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self.articleID = articleID
self.read = read
self.starred = starred
self.userDeleted = userDeleted
self.dateArrived = dateArrived
}
public convenience init(articleID: String, read: Bool, dateArrived: Date) {
self.init(articleID: articleID, read: read, starred: false, userDeleted: false, dateArrived: dateArrived)
}
public func boolStatus(forKey key: ArticleStatus.Key) -> Bool {
switch key {
case .read:
return read
case .starred:
return starred
case .userDeleted:
return userDeleted
}
}
public func setBoolStatus(_ status: Bool, forKey key: ArticleStatus.Key) {
switch key {
case .read:
read = status
case .starred:
starred = status
case .userDeleted:
userDeleted = status
}
}
// MARK: - Hashable
public func hash(into hasher: inout Hasher) {
hasher.combine(articleID)
}
// MARK: - Equatable
public static func ==(lhs: ArticleStatus, rhs: ArticleStatus) -> Bool {
return lhs.articleID == rhs.articleID && lhs.dateArrived == rhs.dateArrived && lhs.read == rhs.read && lhs.starred == rhs.starred && lhs.userDeleted == rhs.userDeleted
}
}
public extension Set where Element == ArticleStatus {
func articleIDs() -> Set<String> {
return Set<String>(map { $0.articleID })
}
}
public extension Array where Element == ArticleStatus {
func articleIDs() -> [String] {
return map { $0.articleID }
}
}