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import NetworkImage
import SwiftUI
import UserNotifications
struct PostDetailsImageView<Placeholder: View>: View {
@EnvironmentObject var settings: Settings
@EnvironmentObject var manager: BooruManager
var url: URL?
@Binding var loadingState: BooruPostLoadingState
var finalLoadingState: BooruPostLoadingState
let placeholder: () -> Placeholder
let post: BooruPost?
@State private var currentScale: CGFloat = 1.0
@State private var finalScale: CGFloat = 1.0
@State private var currentOffset: CGSize = .zero
@State private var finalOffset: CGSize = .zero
#if os(iOS)
var keyWindow: UIWindow? {
guard
let window = UIApplication.shared.connectedScenes
.compactMap({ $0 as? UIWindowScene })
.flatMap(\.windows)
.first(where: \.isKeyWindow)
else {
return nil
}
return window
}
#endif
var body: some View {
let content = NetworkImage(
url: url,
transaction: Transaction(animation: .default)
) { image in
InteractiveImageView(
image: image,
contextMenu: Group {
#if os(iOS)
Button {
guard let url else { return }
URLSession.shared.dataTask(with: url) { data, _, _ in
guard let data, let uiImage = UIImage(data: data) else { return }
UIImageWriteToSavedPhotosAlbum(uiImage, nil, nil, nil)
}
.resume()
} label: {
Label("Save Image", systemImage: "square.and.arrow.down")
}
#endif
#if os(macOS)
Button {
saveImageToPicturesFolder()
} label: {
Label("Save Image", systemImage: "square.and.arrow.down")
}
.keyboardShortcut("s", modifiers: [.command])
#endif
#if os(iOS)
if settings.enableShareShortcut {
Button {
keyWindow?.rootViewController?.present(
UIActivityViewController(
activityItems: [url ?? URL(string: "")!], applicationActivities: nil
), animated: true
)
} label: {
Label("Share Image", systemImage: "square.and.arrow.up")
}
}
#endif
Button {
openURL(postURL(for: post?.id ?? ""))
} label: {
Label("Open Post in Safari", systemImage: "safari")
}
if let source = post?.source {
Button {
openURL(URL(string: source)!)
} label: {
Label("Open Source in Safari", systemImage: "safari")
}
}
}
)
.onAppear { loadingState = finalLoadingState }
} placeholder: {
placeholder()
.onAppear {
loadingState = .loadingPreview
}
}
#if os(macOS)
return content.overlay(
Button(action: saveImageToPicturesFolder) {
EmptyView()
}
.keyboardShortcut("s", modifiers: [.command])
.frame(width: 0, height: 0)
.opacity(0)
)
#else
return content
#endif
}
init(
url: URL?,
loadingStage: Binding<BooruPostLoadingState>,
finalLoadingState: BooruPostLoadingState = .loadingFile,
post: BooruPost? = nil,
@ViewBuilder placeholder: @escaping () -> Placeholder = {
GeometryReader { geometry in
ProgressView()
.frame(width: geometry.size.width, height: geometry.size.height)
.position(x: geometry.size.width / 2, y: geometry.size.height / 2)
.padding()
}
}
) {
self.url = url
_loadingState = loadingStage
self.finalLoadingState = finalLoadingState
self.placeholder = placeholder
self.post = post
}
private func postURL(for id: String) -> URL {
switch manager.flavor {
case .moebooru:
return URL(string: "https://\(manager.domain)/post/show/\(id)")!
case .gelbooru:
return URL(string: "https://\(manager.domain)/index.php?page=post&s=view&id=\(id)")!
}
}
#if os(macOS)
private func saveImageToPicturesFolder() {
guard let url = self.url else { return }
URLSession.shared.dataTask(with: url) { data, _, _ in
guard let data, let post else { return }
let picturesURL = FileManager.default.homeDirectoryForCurrentUser
.appendingPathComponent("Pictures/Sora/\(manager.provider.rawValue)")
do {
try FileManager.default.createDirectory(
at: picturesURL,
withIntermediateDirectories: true
)
try data.write(
to:
picturesURL
.appendingPathComponent(
"\(post.id)_\(settings.detailViewType.rawValue.lowercased()).\(url.pathExtension)"
)
)
if settings.saveTagsToFile {
try post.tags.joined(separator: "\n").write(
to: picturesURL.appendingPathComponent(
"\(post.id).txt"
),
atomically: true,
encoding: .utf8
)
}
#if os(macOS)
Task {
await sendLocalNotification(
title: "Sora",
body: "Image \(settings.saveTagsToFile ? "and tags" : "") saved (\(post.id))"
)
}
#endif
} catch {
print("PostDetailsImageView.saveImageToPicturesFolder: \(error)")
}
}
.resume()
}
#endif
private func openURL(_ url: URL) {
#if os(iOS)
UIApplication.shared.open(url)
#else
NSWorkspace.shared.open(url)
#endif
}
private func sendLocalNotification(title: String, body: String) async {
let notificationCenter = UNUserNotificationCenter.current()
do {
try await notificationCenter.requestAuthorization(options: [.alert, .sound, .badge])
} catch {
debugPrint(error)
}
let content = UNMutableNotificationContent()
content.title = title
content.body = body
content.sound = .default
do {
try await notificationCenter.add(
UNNotificationRequest(
identifier: UUID().uuidString,
content: content,
trigger: nil
)
)
} catch {
debugPrint(error)
}
}
}
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