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import NetworkImage
import SwiftUI
import UserNotifications
struct PostDetailsImageView<Placeholder: View>: View {
@EnvironmentObject var settings: SettingsManager
@EnvironmentObject var manager: BooruManager
var url: URL?
@Binding var loadingState: BooruPostLoadingState
var finalLoadingState: BooruPostLoadingState
let placeholder: () -> Placeholder
let post: BooruPost?
#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) { image in
InteractiveImageView(
image: image,
contextMenu: Group {
#if os(iOS)
if settings.enableShareShortcut {
Button {
guard let shareURL = url else { return }
keyWindow?.rootViewController?.present(
UIActivityViewController(
activityItems: [shareURL], applicationActivities: nil
), animated: true
)
} label: {
Label("Share", systemImage: "square.and.arrow.up")
}
.disabled(url == nil)
}
#endif
#if os(iOS)
Button {
guard let imageURL = url else { return }
Task(priority: .userInitiated) {
guard let imageData = await ImageCacheManager.shared.loadImageData(for: imageURL),
let uiImage = UIImage(data: imageData)
else { return }
await MainActor.run {
UIImageWriteToSavedPhotosAlbum(uiImage, nil, nil, nil)
}
}
} label: {
Label("Save to Photos", systemImage: "square.and.arrow.down")
}
#endif
#if os(macOS)
Button {
saveImageToPicturesFolder()
} label: {
Label("Save to Pictures", systemImage: "square.and.arrow.down")
}
.keyboardShortcut("s", modifiers: [.command])
#endif
Button {
#if os(iOS)
Task(priority: .userInitiated) {
guard let imageURL = url else { return }
guard let imageData = await ImageCacheManager.shared.loadImageData(for: imageURL),
let uiImage = UIImage(data: imageData)
else { return }
await MainActor.run {
UIPasteboard.general.image = uiImage
}
}
#else
if let url {
NSPasteboard.general.clearContents()
NSPasteboard.general.writeObjects([NSImage(byReferencing: url)])
}
#endif
} label: {
Label("Copy", systemImage: "doc.on.doc")
}
.keyboardShortcut("c", modifiers: [.command])
Button {
guard let postURL = postURL(for: post?.id) else { return }
openURL(postURL)
} label: {
Label("Open Post in Safari", systemImage: "safari")
}
.disabled(postURL(for: post?.id) == nil)
if let source = post?.source,
let sourceURL = URL(string: source.trimmingCharacters(in: .whitespacesAndNewlines))
{
Button {
openURL(sourceURL)
} label: {
Label("Open Source Link in Safari", systemImage: "safari")
}
}
}
)
.onAppear {
if loadingState != .loaded { loadingState = finalLoadingState }
}
} placeholder: {
placeholder()
.onAppear { loadingState = .loadingPreview }
}
#if os(macOS)
return content.overlay(
Group {
Button(action: saveImageToPicturesFolder) {
EmptyView()
}
.keyboardShortcut("s", modifiers: [.command])
Button(action: { movePostCursor(by: 1) }) { EmptyView() }
.keyboardShortcut(.rightArrow, modifiers: [])
Button(action: { movePostCursor(by: -1) }) { EmptyView() }
.keyboardShortcut(.leftArrow, modifiers: [])
}
.frame(width: 0, height: 0)
.opacity(0)
)
#else
return content
#endif
}
func movePostCursor(by direction: Int) {
guard let selectedPost = manager.selectedPost,
let index = manager.postIndexMap[selectedPost.id],
(0..<manager.posts.count).contains(index + direction)
else { return }
manager.selectedPost = manager.posts[index + direction]
}
init(
url: URL?,
loadingStage: Binding<BooruPostLoadingState>,
finalLoadingState: BooruPostLoadingState = .loadingFile,
post: BooruPost? = nil,
@ViewBuilder placeholder: @escaping () -> Placeholder = {
GeometryReader { _ 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? {
guard let id, !id.isEmpty else { return nil }
var components = URLComponents()
components.scheme = "https"
components.host = manager.domain
switch manager.flavor {
case .moebooru:
components.path = "/post/show/\(id)"
case .gelbooru:
components.path = "/index.php"
components.queryItems = [
URLQueryItem(name: "page", value: "post"),
URLQueryItem(name: "s", value: "view"),
URLQueryItem(name: "id", value: id),
]
case .danbooru:
components.path = "/posts/\(id)"
}
return components.url
}
#if os(macOS)
@preconcurrency
private func saveImageToPicturesFolder() {
guard let url = self.url else { return }
let provider = manager.provider
let detailViewQuality = settings.detailViewQuality
let saveTagsToFile = settings.saveTagsToFile
let post = self.post
URLSession.shared.dataTask(with: url) { data, _, _ in
guard let data, let post else { return }
let picturesURL = FileManager.default.homeDirectoryForCurrentUser
.appendingPathComponent("Pictures/Sora/\(provider.rawValue)")
do {
try FileManager.default.createDirectory(
at: picturesURL,
withIntermediateDirectories: true
)
try data.write(
to:
picturesURL
.appendingPathComponent(
"\(post.id)_\(detailViewQuality.rawValue.lowercased()).\(url.pathExtension)"
)
)
if 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 \(saveTagsToFile ? "and tags" : "") saved (\(post.id))"
)
}
#endif
} catch {
print("PostDetailsImageView.saveImageToPicturesFolder: \(error)")
}
}
.resume()
}
#endif
private func openURL(_ url: URL) {
#if os(macOS)
NSWorkspace.shared.open(url)
#else
UIApplication.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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