89 lines
2.5 KiB
Swift
89 lines
2.5 KiB
Swift
//
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// Article.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 7/1/17.
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// Copyright © 2017 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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public typealias ArticleSetBlock = (Set<Article>) -> Void
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public struct Article: Hashable {
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public let articleID: String // Unique database ID (possibly sync service ID)
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public let accountID: String
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public let webFeedID: String // Likely a URL, but not necessarily
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public let uniqueID: String // Unique per feed (RSS guid, for example)
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public let title: String?
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public let contentHTML: String?
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public let contentText: String?
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public let url: String?
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public let externalURL: String?
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public let summary: String?
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public let imageURL: String?
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public let datePublished: Date?
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public let dateModified: Date?
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public let authors: Set<Author>?
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public let status: ArticleStatus
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public init(accountID: String, articleID: String?, webFeedID: String, uniqueID: String, title: String?, contentHTML: String?, contentText: String?, url: String?, externalURL: String?, summary: String?, imageURL: String?, datePublished: Date?, dateModified: Date?, authors: Set<Author>?, status: ArticleStatus) {
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self.accountID = accountID
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self.webFeedID = webFeedID
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self.uniqueID = uniqueID
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self.title = title
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self.contentHTML = contentHTML
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self.contentText = contentText
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self.url = url
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self.externalURL = externalURL
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self.summary = summary
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self.imageURL = imageURL
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self.datePublished = datePublished
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self.dateModified = dateModified
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self.authors = authors
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self.status = status
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if let articleID = articleID {
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self.articleID = articleID
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}
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else {
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self.articleID = Article.calculatedArticleID(webFeedID: webFeedID, uniqueID: uniqueID)
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}
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}
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public static func calculatedArticleID(webFeedID: String, uniqueID: String) -> String {
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return databaseIDWithString("\(webFeedID) \(uniqueID)")
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}
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// MARK: - Hashable
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public func hash(into hasher: inout Hasher) {
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hasher.combine(articleID)
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}
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}
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public extension Set where Element == Article {
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func articleIDs() -> Set<String> {
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return Set<String>(map { $0.articleID })
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}
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func unreadArticles() -> Set<Article> {
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let articles = self.filter { !$0.status.read }
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return Set(articles)
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}
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func contains(accountID: String, articleID: String) -> Bool {
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return contains(where: { $0.accountID == accountID && $0.articleID == articleID})
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}
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}
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public extension Array where Element == Article {
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func articleIDs() -> [String] {
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return map { $0.articleID }
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}
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}
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