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import SwiftUI
struct ContentView: View {
@State private var posts: [MoebooruPost] = []
#if os(macOS)
@State private var selectedPost: YanderePost?
#endif
@State private var searchQuery = ""
@State private var currentPage = 1
@State private var isLoading: Bool = false
@State private var largerThumbnails: Bool = false
var tags: [String] {
if searchQuery.isEmpty {
return []
}
return searchQuery
.split(separator: ",")
.map { $0.trimmingCharacters(in: .whitespacesAndNewlines) }
.filter { !$0.isEmpty }
}
@State var softLimit: Int = 100
var softLimitCGFloat: CGFloat {
CGFloat(softLimit)
}
var columns: [GridItem] {
return [
GridItem(.adaptive(minimum: softLimitCGFloat)),
]
}
var body: some View {
#if os(macOS)
NavigationSplitView {
ScrollView {
if self.posts.isEmpty {
ProgressView()
.frame(width: softLimitCGFloat, height: softLimitCGFloat)
}
LazyVGrid(columns: columns) {
ForEach(posts, id: \.id) { post in
Button {
selectedPost = post
} label: {
PostView(post: post, softLimit: softLimitCGFloat)
.frame(maxWidth: .infinity)
}
.buttonStyle(PlainButtonStyle())
if post == posts.last {
ProgressView()
.onAppear(perform: loadNextPage)
.padding()
}
}
}
}
.searchable(text: $searchQuery, prompt: "Tags")
.onSubmit(of: .search, performSearch)
.toolbar {
ToolbarItem {
Button(action: {
Task {
await fetchPosts(page: 1, tags: tags, replace: true)
}
}) {
Label("Refresh", systemImage: "arrow.clockwise")
}
}
}
} detail: {
if let post = selectedPost {
PostDetailView(post: post)
} else {
Text("Select a post")
.foregroundColor(.secondary)
}
}
.task {
await fetchPosts(page: currentPage)
}
#else
NavigationStack {
ScrollView {
if self.posts.isEmpty {
ProgressView()
.frame(width: softLimitCGFloat, height: softLimitCGFloat)
}
LazyVGrid(columns: columns, spacing: 10) {
ForEach(posts, id: \.id) { post in
NavigationLink(value: post) {
PostView(
post: post,
softLimit: softLimitCGFloat,
thumbnailMode: self.largerThumbnails ? .sample : .preview
)
.frame(maxWidth: .infinity)
}
if post == posts.last {
ProgressView()
.onAppear(perform: loadNextPage)
.padding()
}
}
}
}
.searchable(text: $searchQuery, prompt: "Tags")
.onSubmit(of: .search, performSearch)
.navigationDestination(for: MoebooruPost.self) { post in
PostDetailView(post: post)
}
.task {
await fetchPosts(page: currentPage)
}
.toolbar {
ToolbarItem {
TextField(
softLimit.description,
value: $softLimit,
format: .number
)
}
ToolbarItem {
Toggle("Full size thumbnails", isOn: $largerThumbnails)
}
ToolbarItem {
Button(action: {
Task {
await fetchPosts(page: 1, tags: tags, replace: true)
}
}) {
Label("Refresh", systemImage: "arrow.clockwise")
}
}
}
}
#endif
}
func fetchPosts(page: Int = 1, limit: Int = 100, tags: [String] = [], replace: Bool = false) async {
guard !isLoading else { return }
isLoading = true
defer { isLoading = false }
guard let url = URL(string: "https://yande.re/post.xml?page=\(page)&limit=\(limit)&tags=\(tags.joined(separator: "+"))") else { return }
do {
let (data, _) = try await URLSession.shared.data(from: url)
DispatchQueue.main.async {
if replace {
self.posts = []
self.currentPage = 1
}
self.posts += Array(Set(MoebooruXMLParser().parse(data: data))).sorted { $0.id > $1.id }
}
} catch {
#if DEBUG
print(error)
#endif
}
}
func performSearch() {
Task {
await fetchPosts(
page: 1,
tags: tags,
replace: true
)
}
}
func loadNextPage() {
guard !isLoading else { return }
Task {
await fetchPosts(page: currentPage + 1, tags: tags)
DispatchQueue.main.async {
currentPage += 1
}
}
}
}
#Preview {
ContentView()
}
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