223 lines
5.6 KiB
Swift
223 lines
5.6 KiB
Swift
|
//
|
|||
|
// AddFeedView.swift
|
|||
|
// NetNewsWire
|
|||
|
//
|
|||
|
// Created by Stuart Breckenridge on 3/7/20.
|
|||
|
// Copyright © 2020 Ranchero Software. All rights reserved.
|
|||
|
//
|
|||
|
|
|||
|
import SwiftUI
|
|||
|
import Account
|
|||
|
import RSCore
|
|||
|
|
|||
|
fileprivate enum AddFeedError: LocalizedError {
|
|||
|
|
|||
|
case none, alreadySubscribed, initialDownload, noFeeds
|
|||
|
|
|||
|
var errorDescription: String? {
|
|||
|
switch self {
|
|||
|
case .alreadySubscribed:
|
|||
|
return NSLocalizedString("Can’t add this feed because you’ve already subscribed to it.", comment: "Feed finder")
|
|||
|
case .initialDownload:
|
|||
|
return NSLocalizedString("Can’t add this feed because of a download error.", comment: "Feed finder")
|
|||
|
case .noFeeds:
|
|||
|
return NSLocalizedString("Can’t add a feed because no feed was found.", comment: "Feed finder")
|
|||
|
default:
|
|||
|
return nil
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
}
|
|||
|
|
|||
|
fileprivate class AddFeedViewModel: ObservableObject {
|
|||
|
|
|||
|
@Published var providedURL: String = ""
|
|||
|
@Published var providedName: String = ""
|
|||
|
@Published var selectedFolderIndex: Int = 0
|
|||
|
@Published var addFeedError: AddFeedError? {
|
|||
|
didSet {
|
|||
|
addFeedError != .none ? (showError = true) : (showError = false)
|
|||
|
}
|
|||
|
}
|
|||
|
@Published var showError: Bool = false
|
|||
|
@Published var containers: [Container] = []
|
|||
|
@Published var showProgressIndicator: Bool = false
|
|||
|
|
|||
|
init() {
|
|||
|
for account in AccountManager.shared.sortedActiveAccounts {
|
|||
|
containers.append(account)
|
|||
|
if let sortedFolders = account.sortedFolders {
|
|||
|
containers.append(contentsOf: sortedFolders)
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
}
|
|||
|
|
|||
|
struct AddFeedView: View {
|
|||
|
|
|||
|
@Environment(\.presentationMode) private var presentationMode
|
|||
|
@ObservedObject private var viewModel = AddFeedViewModel()
|
|||
|
|
|||
|
@ViewBuilder var body: some View {
|
|||
|
#if os(iOS)
|
|||
|
iosForm
|
|||
|
#else
|
|||
|
macForm
|
|||
|
.onAppear {
|
|||
|
pasteUrlFromPasteboard()
|
|||
|
}.alert(isPresented: $viewModel.showError) {
|
|||
|
Alert(title: Text("Oops"), message: Text(viewModel.addFeedError!.localizedDescription), dismissButton: Alert.Button.cancel({
|
|||
|
viewModel.addFeedError = .none
|
|||
|
}))
|
|||
|
}
|
|||
|
#endif
|
|||
|
}
|
|||
|
|
|||
|
#if os(macOS)
|
|||
|
var macForm: some View {
|
|||
|
VStack(alignment: .leading) {
|
|||
|
urlTextField
|
|||
|
.textFieldStyle(RoundedBorderTextFieldStyle())
|
|||
|
providedNameTextField
|
|||
|
.textFieldStyle(RoundedBorderTextFieldStyle())
|
|||
|
folderPicker
|
|||
|
buttonStack
|
|||
|
}
|
|||
|
.padding()
|
|||
|
.frame(minWidth: 400)
|
|||
|
}
|
|||
|
#endif
|
|||
|
|
|||
|
#if os(iOS)
|
|||
|
var iosForm: some View {
|
|||
|
NavigationLink {
|
|||
|
List {
|
|||
|
Text("PLACEHOLDER")
|
|||
|
}.listStyle(InsetGroupedListStyle())
|
|||
|
}
|
|||
|
}
|
|||
|
#endif
|
|||
|
|
|||
|
var urlTextField: some View {
|
|||
|
HStack {
|
|||
|
Text("Feed URL:")
|
|||
|
TextField("URL", text: $viewModel.providedURL)
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
var providedNameTextField: some View {
|
|||
|
HStack(alignment: .lastTextBaseline) {
|
|||
|
Text("Name:")
|
|||
|
TextField("Optional", text: $viewModel.providedName)
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
var folderPicker: some View {
|
|||
|
Picker("Folder", selection: $viewModel.selectedFolderIndex, content: {
|
|||
|
ForEach(0..<viewModel.containers.count, id: \.self, content: { index in
|
|||
|
if let containerName = (viewModel.containers[index] as? DisplayNameProvider)?.nameForDisplay {
|
|||
|
if viewModel.containers[index] is Folder {
|
|||
|
Text("\(viewModel.containers[index].account?.nameForDisplay ?? "") / \(containerName)").tag(index)
|
|||
|
} else {
|
|||
|
Text(containerName).tag(index)
|
|||
|
}
|
|||
|
}
|
|||
|
})
|
|||
|
})
|
|||
|
}
|
|||
|
|
|||
|
var buttonStack: some View {
|
|||
|
HStack {
|
|||
|
if viewModel.showProgressIndicator == true {
|
|||
|
ProgressView()
|
|||
|
.frame(width: 25, height: 25)
|
|||
|
}
|
|||
|
Spacer()
|
|||
|
Button("Cancel", action: {
|
|||
|
presentationMode.wrappedValue.dismiss()
|
|||
|
})
|
|||
|
Button("Add", action: {
|
|||
|
addWebFeed()
|
|||
|
}).disabled(!viewModel.providedURL.isValidURL)
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
#if os(macOS)
|
|||
|
func pasteUrlFromPasteboard() {
|
|||
|
guard let stringFromPasteboard = urlStringFromPasteboard, stringFromPasteboard.isValidURL else {
|
|||
|
return
|
|||
|
}
|
|||
|
viewModel.providedURL = stringFromPasteboard
|
|||
|
}
|
|||
|
#endif
|
|||
|
|
|||
|
}
|
|||
|
|
|||
|
private extension AddFeedView {
|
|||
|
|
|||
|
var urlStringFromPasteboard: String? {
|
|||
|
if let urlString = NSPasteboard.urlString(from: NSPasteboard.general) {
|
|||
|
return urlString.normalizedURL
|
|||
|
}
|
|||
|
return nil
|
|||
|
}
|
|||
|
|
|||
|
struct AccountAndFolderSpecifier {
|
|||
|
let account: Account
|
|||
|
let folder: Folder?
|
|||
|
}
|
|||
|
|
|||
|
func accountAndFolderFromContainer(_ container: Container) -> AccountAndFolderSpecifier? {
|
|||
|
if let account = container as? Account {
|
|||
|
return AccountAndFolderSpecifier(account: account, folder: nil)
|
|||
|
}
|
|||
|
if let folder = container as? Folder, let account = folder.account {
|
|||
|
return AccountAndFolderSpecifier(account: account, folder: folder)
|
|||
|
}
|
|||
|
return nil
|
|||
|
}
|
|||
|
|
|||
|
func addWebFeed() {
|
|||
|
if let account = accountAndFolderFromContainer(viewModel.containers[viewModel.selectedFolderIndex])?.account {
|
|||
|
|
|||
|
viewModel.showProgressIndicator = true
|
|||
|
|
|||
|
let container = viewModel.containers[viewModel.selectedFolderIndex]
|
|||
|
|
|||
|
if account.hasWebFeed(withURL: viewModel.providedURL) {
|
|||
|
viewModel.addFeedError = .alreadySubscribed
|
|||
|
viewModel.showProgressIndicator = false
|
|||
|
return
|
|||
|
}
|
|||
|
|
|||
|
account.createWebFeed(url: viewModel.providedURL, name: viewModel.providedName, container: container, completion: { result in
|
|||
|
viewModel.showProgressIndicator = false
|
|||
|
switch result {
|
|||
|
case .success(let feed):
|
|||
|
NotificationCenter.default.post(name: .UserDidAddFeed, object: self, userInfo: [UserInfoKey.webFeed: feed])
|
|||
|
presentationMode.wrappedValue.dismiss()
|
|||
|
case .failure(let error):
|
|||
|
switch error {
|
|||
|
case AccountError.createErrorAlreadySubscribed:
|
|||
|
self.viewModel.addFeedError = .alreadySubscribed
|
|||
|
return
|
|||
|
case AccountError.createErrorNotFound:
|
|||
|
self.viewModel.addFeedError = .noFeeds
|
|||
|
return
|
|||
|
default:
|
|||
|
print("Error")
|
|||
|
}
|
|||
|
}
|
|||
|
})
|
|||
|
}
|
|||
|
}
|
|||
|
}
|
|||
|
|
|||
|
|
|||
|
struct AddFeedView_Previews: PreviewProvider {
|
|||
|
static var previews: some View {
|
|||
|
AddFeedView()
|
|||
|
}
|
|||
|
}
|