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//
// Article.swift
// Data
//
// Created by Brent Simmons on 7/1/17.
// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
//
import Foundation
public struct Article: Hashable {
public let articleID: String // Unique database ID (possibly sync service ID)
public let accountID: String
public let feedID: String // Likely a URL, but not necessarily
public let uniqueID: String // Unique per feed (RSS guid, for example)
public let title: String?
public let contentHTML: String?
public let contentText: String?
public let url: String?
public let externalURL: String?
public let summary: String?
public let imageURL: String?
public let bannerImageURL: String?
public let datePublished: Date?
public let dateModified: Date?
public let authors: Set<Author>?
public let attachments: Set<Attachment>?
public let status: ArticleStatus
public var hashValue: Int {
return articleID.hashValue
}
public init(accountID: String, articleID: String?, feedID: String, uniqueID: String, title: String?, contentHTML: String?, contentText: String?, url: String?, externalURL: String?, summary: String?, imageURL: String?, bannerImageURL: String?, datePublished: Date?, dateModified: Date?, authors: Set<Author>?, attachments: Set<Attachment>?, status: ArticleStatus) {
self.accountID = accountID
self.feedID = feedID
self.uniqueID = uniqueID
self.title = title
self.contentHTML = contentHTML
self.contentText = contentText
self.url = url
self.externalURL = externalURL
self.summary = summary
self.imageURL = imageURL
self.bannerImageURL = bannerImageURL
self.datePublished = datePublished
self.dateModified = dateModified
self.authors = authors
self.attachments = attachments
self.status = status
if let articleID = articleID {
self.articleID = articleID
}
else {
self.articleID = Article.calculatedArticleID(feedID: feedID, uniqueID: uniqueID)
}
}
public static func calculatedArticleID(feedID: String, uniqueID: String) -> String {
return databaseIDWithString("\(feedID) \(uniqueID)")
}
}
public extension Set where Element == Article {
public func articleIDs() -> Set<String> {
return Set<String>(map { $0.articleID })
}
public func unreadArticles() -> Set<Article> {
let articles = self.filter { !$0.status.read }
return Set(articles)
}
}
public extension Array where Element == Article {
public func articleIDs() -> [String] {
return map { $0.articleID }
}
}