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53 lines
1.5 KiB
Swift
53 lines
1.5 KiB
Swift
//
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// ArticleIconImageLoader.swift
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// NetNewsWire
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//
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// Created by Maurice Parker on 7/1/20.
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// Copyright © 2020 Ranchero Software. All rights reserved.
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//
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import Foundation
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import Combine
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import Account
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import Articles
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final class ArticleIconImageLoader: ObservableObject {
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@Published var image: IconImage?
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private var article: Article?
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private var cancellables = Set<AnyCancellable>()
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init() {
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NotificationCenter.default.publisher(for: .FaviconDidBecomeAvailable).sink { [weak self] _ in
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guard let self = self, let article = self.article else { return }
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self.image = article.iconImage()
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}.store(in: &cancellables)
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NotificationCenter.default.publisher(for: .WebFeedIconDidBecomeAvailable).sink { [weak self] note in
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guard let self = self, let article = self.article, let noteFeed = note.userInfo?[UserInfoKey.webFeed] as? WebFeed, noteFeed == article.webFeed else {
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return
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}
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self.image = article.iconImage()
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}.store(in: &cancellables)
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NotificationCenter.default.publisher(for: .AvatarDidBecomeAvailable).sink { [weak self] note in
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guard let self = self, let article = self.article, let authors = article.authors, let avatarURL = note.userInfo?[UserInfoKey.url] as? String else {
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return
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}
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for author in authors {
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if author.avatarURL == avatarURL {
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self.image = article.iconImage()
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return
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}
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}
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}.store(in: &cancellables)
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}
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func loadImage(for article: Article) {
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guard image == nil else { return }
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self.article = article
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image = article.iconImage()
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}
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}
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