145 lines
3.9 KiB
Swift
145 lines
3.9 KiB
Swift
//
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// AddWebFeedModel.swift
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// NetNewsWire
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//
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// Created by Stuart Breckenridge on 4/7/20.
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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 Account
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import RSCore
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import SwiftUI
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enum AddWebFeedError: LocalizedError {
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case none, alreadySubscribed, initialDownload, noFeeds
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var errorDescription: String? {
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switch self {
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case .alreadySubscribed:
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return NSLocalizedString("Can’t add this feed because you’ve already subscribed to it.", comment: "Feed finder")
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case .initialDownload:
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return NSLocalizedString("Can’t add this feed because of a download error.", comment: "Feed finder")
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case .noFeeds:
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return NSLocalizedString("Can’t add a feed because no feed was found.", comment: "Feed finder")
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default:
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return nil
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}
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}
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}
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class AddWebFeedModel: ObservableObject {
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@Published var shouldDismiss: Bool = false
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@Published var providedURL: String = ""
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@Published var providedName: String = ""
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@Published var selectedFolderIndex: Int = 0
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@Published var addFeedError: AddWebFeedError? {
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didSet {
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addFeedError != AddWebFeedError.none ? (showError = true) : (showError = false)
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}
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}
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@Published var showError: Bool = false
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@Published var containers: [Container] = []
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@Published var showProgressIndicator: Bool = false
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init() {
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for account in AccountManager.shared.sortedActiveAccounts {
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containers.append(account)
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if let sortedFolders = account.sortedFolders {
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containers.append(contentsOf: sortedFolders)
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}
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}
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}
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func pasteUrlFromPasteboard() {
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guard let stringFromPasteboard = urlStringFromPasteboard, stringFromPasteboard.mayBeURL else {
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return
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}
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providedURL = stringFromPasteboard
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}
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#if os(macOS)
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var urlStringFromPasteboard: String? {
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if let urlString = NSPasteboard.urlString(from: NSPasteboard.general) {
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return urlString.normalizedURL
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}
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return nil
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}
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#else
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var urlStringFromPasteboard: String? {
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if let urlString = UIPasteboard.general.url?.absoluteString {
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return urlString.normalizedURL
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}
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return nil
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}
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#endif
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struct AccountAndFolderSpecifier {
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let account: Account
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let folder: Folder?
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}
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func accountAndFolderFromContainer(_ container: Container) -> AccountAndFolderSpecifier? {
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if let account = container as? Account {
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return AccountAndFolderSpecifier(account: account, folder: nil)
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}
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if let folder = container as? Folder, let account = folder.account {
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return AccountAndFolderSpecifier(account: account, folder: folder)
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}
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return nil
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}
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func addWebFeed() {
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if let account = accountAndFolderFromContainer(containers[selectedFolderIndex])?.account {
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showProgressIndicator = true
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let normalizedURLString = providedURL.normalizedURL
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guard !normalizedURLString.isEmpty, let url = URL(string: normalizedURLString) else {
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showProgressIndicator = false
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return
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}
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let container = containers[selectedFolderIndex]
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if account.hasWebFeed(withURL: normalizedURLString) {
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addFeedError = .alreadySubscribed
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showProgressIndicator = false
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return
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}
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account.createWebFeed(url: url.absoluteString, name: providedName, container: container, completion: { [weak self] result in
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self?.showProgressIndicator = false
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switch result {
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case .success(let feed):
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NotificationCenter.default.post(name: .UserDidAddFeed, object: self, userInfo: [UserInfoKey.webFeed: feed])
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self?.shouldDismiss = true
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case .failure(let error):
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switch error {
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case AccountError.createErrorAlreadySubscribed:
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self?.addFeedError = .alreadySubscribed
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return
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case AccountError.createErrorNotFound:
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self?.addFeedError = .noFeeds
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return
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default:
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print("Error")
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}
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}
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})
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}
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}
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func smallIconImage(for container: Container) -> RSImage? {
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if let smallIconProvider = container as? SmallIconProvider {
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return smallIconProvider.smallIcon?.image
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}
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return nil
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}
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}
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