// // ArticlePasteboardWriter.swift // NetNewsWire // // Created by Brent Simmons on 11/6/17. // Copyright © 2017 Ranchero Software. All rights reserved. // import AppKit import Articles import RSCore extension Article: @retroactive PasteboardWriterOwner { public var pasteboardWriter: NSPasteboardWriting { return ArticlePasteboardWriter(article: self) } } @objc final class ArticlePasteboardWriter: NSObject, NSPasteboardWriting { let article: Article static let articleUTI = "com.ranchero.article" static let articleUTIType = NSPasteboard.PasteboardType(rawValue: articleUTI) static let articleUTIInternal = "com.ranchero.NetNewsWire-Evergreen.internal.article" static let articleUTIInternalType = NSPasteboard.PasteboardType(rawValue: articleUTIInternal) private lazy var renderedHTML: String = { let rendering = ArticleRenderer.articleHTML(article: article, theme: ArticleThemesManager.shared.currentTheme) return rendering.html }() init(article: Article) { self.article = article } // MARK: - NSPasteboardWriting func writableTypes(for pasteboard: NSPasteboard) -> [NSPasteboard.PasteboardType] { var types = [ArticlePasteboardWriter.articleUTIType] if let _ = article.preferredURL { types += [.URL] } types += [.string, .html, ArticlePasteboardWriter.articleUTIInternalType] return types } func pasteboardPropertyList(forType type: NSPasteboard.PasteboardType) -> Any? { let plist: Any? switch type { case .html: return renderedHTML case .string: plist = plainText() case .URL: return article.preferredLink ?? "" case ArticlePasteboardWriter.articleUTIType: plist = exportDictionary() case ArticlePasteboardWriter.articleUTIInternalType: plist = internalDictionary() default: plist = nil } return plist } } private extension ArticlePasteboardWriter { func plainText() -> String { var s = "" if let title = article.title { s += "\(title)\n\n" } if let text = article.contentText { s += "\(text)\n\n" } else if let summary = article.summary { s += "\(summary)\n\n" } else if let html = article.contentHTML { let convertedHTML = html.convertingToPlainText() s += "\(convertedHTML)\n\n" } if let link = article.link { s += "URL: \(link)\n\n" } if let externalLink = article.externalLink { s += "external URL: \(externalLink)\n\n" } s += "Date: \(article.logicalDatePublished)\n\n" if let feed = article.feed { s += "Feed: \(feed.nameForDisplay)\n" if let homePageURL = feed.homePageURL { s += "Home page: \(homePageURL)\n" } s += "URL: \(feed.url)" } return s } private struct Key { static let articleID = "articleID" // database ID, unique per account static let uniqueID = "uniqueID" // unique ID, unique per feed (guid, or possibly calculated) static let feedURL = "feedURL" static let feedID = "feedID" // may differ from feedURL if coming from a syncing system static let title = "title" static let contentHTML = "contentHTML" static let contentText = "contentText" static let url = "url" // usually a permalink static let externalURL = "externalURL" // usually not a permalink static let summary = "summary" static let imageURL = "imageURL" static let bannerImageURL = "bannerImageURL" static let datePublished = "datePublished" static let dateModified = "dateModified" static let dateArrived = "dateArrived" static let read = "read" static let starred = "starred" static let authors = "authors" // Author static let authorName = "name" static let authorURL = "url" static let authorAvatarURL = "avatarURL" static let authorEmailAddress = "emailAddress" // Internal static let accountID = "accountID" } func exportDictionary() -> [String: Any] { var d = [String: Any]() d[Key.articleID] = article.articleID d[Key.uniqueID] = article.uniqueID if let feed = article.feed { d[Key.feedURL] = feed.url } d[Key.feedID] = article.feedID d[Key.title] = article.title ?? nil d[Key.contentHTML] = article.contentHTML ?? nil d[Key.contentText] = article.contentText ?? nil d[Key.url] = article.rawLink ?? nil d[Key.externalURL] = article.rawExternalLink ?? nil d[Key.summary] = article.summary ?? nil d[Key.imageURL] = article.rawImageLink ?? nil d[Key.datePublished] = article.datePublished ?? nil d[Key.dateModified] = article.dateModified ?? nil d[Key.dateArrived] = article.status.dateArrived d[Key.authors] = authorDictionaries() ?? nil return d } func internalDictionary() -> [String: Any] { var d = exportDictionary() d[Key.accountID] = article.accountID return d } func authorDictionary(_ author: Author) -> [String: Any] { var d = [String: Any]() d[Key.authorName] = author.name ?? nil d[Key.authorURL] = author.url ?? nil d[Key.authorAvatarURL] = author.avatarURL ?? nil d[Key.authorEmailAddress] = author.emailAddress ?? nil return d } func authorDictionaries() -> [[String: Any]]? { guard let authors = article.authors, !authors.isEmpty else { return nil } return authors.map{ authorDictionary($0) } } }