115 lines
2.3 KiB
Swift
115 lines
2.3 KiB
Swift
//
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// ArticleUtilities.swift
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// NetNewsWire
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//
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// Created by Brent Simmons on 7/25/15.
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// Copyright © 2015 Ranchero Software, LLC. All rights reserved.
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//
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import Foundation
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import RSCore
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import Articles
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import Account
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// These handle multiple accounts.
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@discardableResult
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func markArticles(_ articles: Set<Article>, statusKey: ArticleStatus.Key, flag: Bool) -> Set<Article>? {
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let d: [String: Set<Article>] = accountAndArticlesDictionary(articles)
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var updatedArticles = Set<Article>()
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for (accountID, accountArticles) in d {
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guard let account = AccountManager.shared.existingAccount(with: accountID) else {
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continue
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}
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if let accountUpdatedArticles = account.markArticles(accountArticles, statusKey: statusKey, flag: flag) {
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updatedArticles.formUnion(accountUpdatedArticles)
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}
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}
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return updatedArticles
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}
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private func accountAndArticlesDictionary(_ articles: Set<Article>) -> [String: Set<Article>] {
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let d = Dictionary(grouping: articles, by: { $0.accountID })
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return d.mapValues{ Set($0) }
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}
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extension Article {
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var feed: Feed? {
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return account?.existingFeed(withFeedID: feedID)
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}
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var preferredLink: String? {
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if let url = url, !url.isEmpty {
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return url
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}
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if let externalURL = externalURL, !externalURL.isEmpty {
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return externalURL
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}
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return nil
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}
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var body: String? {
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return contentHTML ?? contentText ?? summary
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}
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var logicalDatePublished: Date {
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return datePublished ?? dateModified ?? status.dateArrived
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}
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func avatarImage() -> RSImage? {
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if let authors = authors {
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for author in authors {
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if let image = appDelegate.authorAvatarDownloader.image(for: author) {
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return image
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}
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}
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}
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guard let feed = feed else {
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return nil
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}
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let feedIconImage = appDelegate.feedIconDownloader.icon(for: feed)
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if feedIconImage != nil {
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return feedIconImage
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}
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if let faviconImage = appDelegate.faviconDownloader.faviconAsAvatar(for: feed) {
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return faviconImage
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}
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return FaviconGenerator.favicon(feed)
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}
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}
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// MARK: SortableArticle
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extension Article: SortableArticle {
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var sortableName: String {
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return feed?.name ?? ""
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}
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var sortableDate: Date {
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return logicalDatePublished
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}
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var sortableArticleID: String {
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return articleID
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}
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var sortableFeedID: String {
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return feedID
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}
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}
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