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import SwiftUI
struct PasteListView: View {
@Environment(AppState.self) private var appState
@State private var viewModel: PasteListViewModel?
@State private var showCreatePasteSheet = false
@State private var createdPaste: Paste?
var body: some View {
Group {
if let viewModel {
content(viewModel)
} else {
SRHTLoadingStateView(message: "Loading pastes…")
}
}
.navigationTitle("Pastes")
.toolbar {
if viewModel != nil {
ToolbarItem(placement: .topBarTrailing) {
Button {
showCreatePasteSheet = true
} label: {
Image(systemName: "plus")
}
}
}
}
.sheet(isPresented: $showCreatePasteSheet) {
if let viewModel {
CreatePasteSheet(viewModel: viewModel) { paste in
showCreatePasteSheet = false
createdPaste = paste
}
}
}
.navigationDestination(isPresented: Binding(
get: { createdPaste != nil },
set: { isPresented in
if !isPresented {
createdPaste = nil
}
}
)) {
if let createdPaste {
PasteDetailView(
paste: createdPaste,
onUpdated: { updated in
viewModel?.upsertPaste(updated)
},
onDeleted: { id in
viewModel?.removePaste(id: id)
}
)
}
}
.task {
if viewModel == nil {
let vm = PasteListViewModel(service: PasteService(client: appState.client))
viewModel = vm
await vm.loadPastes()
}
}
}
@ViewBuilder
private func content(_ viewModel: PasteListViewModel) -> some View {
@Bindable var vm = viewModel
List {
ForEach(viewModel.pastes) { paste in
NavigationLink(value: paste) {
PasteRowView(paste: paste)
}
.task {
await viewModel.loadMoreIfNeeded(currentItem: paste)
}
}
if viewModel.isLoadingMore {
HStack {
Spacer()
ProgressView()
Spacer()
}
.listRowSeparator(.hidden)
}
}
.listStyle(.plain)
.overlay {
if viewModel.isLoading, viewModel.pastes.isEmpty {
SRHTLoadingStateView(message: "Loading pastes…")
} else if let error = viewModel.error, viewModel.pastes.isEmpty {
SRHTErrorStateView(
title: "Couldn't Load Pastes",
message: error,
retryAction: { await viewModel.loadPastes() }
)
} else if viewModel.pastes.isEmpty {
ContentUnavailableView(
"No Pastes",
systemImage: "doc.on.clipboard",
description: Text("Your pastes will appear here.")
)
}
}
.connectivityOverlay(hasContent: !viewModel.pastes.isEmpty) {
await viewModel.loadPastes()
}
.srhtErrorBanner(error: $vm.error)
.refreshable {
await viewModel.loadPastes()
}
.navigationDestination(for: Paste.self) { paste in
PasteDetailView(
paste: paste,
onUpdated: { updated in
viewModel.upsertPaste(updated)
},
onDeleted: { id in
viewModel.removePaste(id: id)
}
)
}
}
}
private struct PasteRowView: View {
let paste: Paste
var body: some View {
HStack(alignment: .top, spacing: 12) {
Image(systemName: "doc.text")
.foregroundStyle(.secondary)
.frame(width: 20)
VStack(alignment: .leading, spacing: 4) {
Text(primaryTitle)
.font(.subheadline.weight(.medium))
.lineLimit(1)
Text(secondaryLine)
.font(.caption)
.foregroundStyle(.secondary)
.lineLimit(2)
HStack(spacing: 8) {
VisibilityBadge(visibility: paste.visibility)
Text("•")
.foregroundStyle(.tertiary)
Text(paste.created.relativeDescription)
.foregroundStyle(.tertiary)
}
.font(.caption2)
}
}
.padding(.vertical, 2)
}
private var primaryTitle: String {
if let filename = paste.files.first?.filename, !filename.isEmpty {
return filename
}
return paste.files.count > 1 ? "Untitled Paste (\(paste.files.count) files)" : "Untitled Paste"
}
private var secondaryLine: String {
var parts: [String] = [paste.user.canonicalName]
if paste.files.count > 1 {
parts.append("\(paste.files.count) files")
} else {
parts.append("1 file")
}
if let firstHash = paste.files.first?.hash {
parts.append(String(firstHash.prefix(8)))
}
return parts.joined(separator: " • ")
}
}
private struct CreatePasteSheet: View {
let viewModel: PasteListViewModel
let onCreated: (Paste) -> Void
@Environment(\.dismiss) private var dismiss
@State private var files = [PasteUploadDraft()]
@State private var visibility: Visibility = .unlisted
var body: some View {
NavigationStack {
Form {
Section("Files") {
ForEach($files) { $file in
VStack(alignment: .leading, spacing: 8) {
TextField("Filename (optional)", text: $file.filename)
.autocorrectionDisabled()
.textInputAutocapitalization(.never)
ZStack(alignment: .topLeading) {
if file.contents.isEmpty {
Text("Paste contents")
.foregroundStyle(.tertiary)
.padding(.top, 8)
.padding(.leading, 5)
.allowsHitTesting(false)
}
TextEditor(text: $file.contents)
.font(.system(.body, design: .monospaced))
.frame(minHeight: 180)
}
}
.padding(.vertical, 4)
}
.onDelete { offsets in
files.remove(atOffsets: offsets)
if files.isEmpty {
files = [PasteUploadDraft()]
}
}
Button {
files.append(PasteUploadDraft())
} label: {
Label("Add File", systemImage: "plus")
}
}
Section("Visibility") {
Picker("Visibility", selection: $visibility) {
Text("Public").tag(Visibility.public)
Text("Unlisted").tag(Visibility.unlisted)
Text("Private").tag(Visibility.private)
}
}
Section {
Text("Paste contents are uploaded as UTF-8 text files. Hutch can change visibility later, but the API does not support editing file contents after creation.")
.font(.footnote)
.foregroundStyle(.secondary)
}
if let error = viewModel.error {
Section {
Label(error, systemImage: "exclamationmark.triangle.fill")
.foregroundStyle(.red)
}
}
}
.navigationTitle("New Paste")
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .cancellationAction) {
Button("Cancel") { dismiss() }
}
ToolbarItem(placement: .confirmationAction) {
Button {
Task {
if let paste = await viewModel.createPaste(files: files, visibility: visibility) {
onCreated(paste)
}
}
} label: {
if viewModel.isCreatingPaste {
ProgressView()
.controlSize(.small)
} else {
Text("Create Paste")
}
}
.disabled(!hasValidContent || viewModel.isCreatingPaste)
}
}
}
}
private var hasValidContent: Bool {
files.contains { !$0.contents.trimmingCharacters(in: .whitespacesAndNewlines).isEmpty }
}
}
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