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import SwiftUI
import UniformTypeIdentifiers
struct NewsItemView: View {
@Environment(Hotline.self) private var model: Hotline
@Environment(NewsItemSelection.self) private var selectedArticle: NewsItemSelection
let news: NewsInfo
static var dateFormatter: DateFormatter = {
var formatter = DateFormatter()
formatter.dateFormat = "MM/dd/yy, h:mm a"
formatter.timeZone = .gmt
return formatter
}()
static var relativeDateFormatter: RelativeDateTimeFormatter = {
var formatter = RelativeDateTimeFormatter()
formatter.unitsStyle = .abbreviated
formatter.dateTimeStyle = .numeric
formatter.formattingContext = .listItem
return formatter
}()
@State var expanded = false
var body: some View {
if news.count > 0 {
DisclosureGroup(isExpanded: $expanded) {
ForEach(news.children) { childNews in
NewsItemView(news: childNews)
.frame(height: 38)
.environment(self.selectedArticle)
}
} label: {
HStack {
Text(news.name)
.fontWeight(.bold)
.lineLimit(1)
.truncationMode(.tail)
Spacer()
if news.count > 0 {
Text("\(news.count)")
.foregroundStyle(.secondary)
}
}
}
.onChange(of: expanded) {
if !expanded {
return
}
Task {
await model.getNewsList(at: news.path)
}
}
} else {
HStack(alignment: .firstTextBaseline) {
Text(Image(systemName: "quote.opening"))
Text(news.name)
.lineLimit(1)
.truncationMode(.tail)
Spacer()
if news.count > 0 {
Text("\(news.count)")
.lineLimit(1)
.foregroundStyle(.secondary)
} else if let postAuthor = news.articleUsername {
// Text("\(NewsItemView.relativeDateFormatter.localizedString(for: postDate, relativeTo: Date.now))")
Text(postAuthor)
.foregroundStyle(.secondary)
.truncationMode(.tail)
// .frame(maxWidth: 50)
.font(.caption)
.lineLimit(1)
}
}
.onTapGesture {
if news.type == .article {
print("SELECTED", news.name)
selectedArticle.selectedArticle = news
}
}
}
}
}
@Observable
class NewsItemSelection: Equatable {
var selectedArticle: NewsInfo? = nil
static func == (lhs: NewsItemSelection, rhs: NewsItemSelection) -> Bool {
return lhs.selectedArticle == rhs.selectedArticle
}
}
struct NewsView: View {
@Environment(Hotline.self) private var model: Hotline
@Environment(\.colorScheme) var colorScheme
@State private var fetched = false
@State private var selectedCategory: NewsInfo? = nil
@State private var topListHeight: CGFloat = 280
@State private var dividerHeight: CGFloat = 30
@State private var articleSelection = NewsItemSelection()
@State private var articleText = ""
// @State private var selectedArticleID: UInt?
var articleList: some View {
VStack(spacing: 0) {
if model.news.count == 0 {
Text("No News Available")
.font(.headline)
.opacity(0.3)
} else {
List(model.news) { category in
NewsItemView(news: category)
.frame(height: 38)
.environment(self.articleSelection)
}
.scrollBounceBehavior(.basedOnSize)
}
}
.frame(maxWidth: .infinity, maxHeight: .infinity)
.background(Color(uiColor: .systemGroupedBackground))
// .listStyle(.plain)
}
var body: some View {
NavigationStack {
VStack(spacing: 0) {
articleList
.frame(height: topListHeight)
.frame(minHeight: topListHeight)
.onChange(of: self.articleSelection.selectedArticle) {
self.articleText = ""
if let article = self.articleSelection.selectedArticle,
let articleFlavor = article.articleFlavors?.first,
let articleID = article.articleID
{
Task {
if let articleText = await self.model.getNewsArticle(
id: articleID, at: article.path, flavor: articleFlavor)
{
self.articleText = articleText
}
}
}
// print("SELECTED ARTICLE", articleSelection.selectedArticle?.name)
}
// Movable Divider
VStack(alignment: .center) {
Divider()
Spacer()
HStack(alignment: .center) {
Rectangle()
.fill(.tertiary)
.frame(width: 50, height: 6, alignment: .center)
.cornerRadius(10)
}
Spacer()
}
.background(
colorScheme == .dark ? Color(white: 0.1) : Color(uiColor: UIColor.systemBackground)
)
.frame(maxWidth: .infinity)
.frame(height: dividerHeight)
.gesture(
DragGesture()
.onChanged { gesture in
let delta = gesture.translation.height
topListHeight = max(min(topListHeight + delta, 500), 50)
}
)
// Reader View
ScrollView(.vertical) {
VStack(alignment: .leading) {
if let news = self.articleSelection.selectedArticle {
if let poster = news.articleUsername, let postDate = news.articleDate {
HStack(alignment: .firstTextBaseline) {
Text(poster)
.foregroundStyle(.secondary)
.font(.subheadline)
.lineLimit(1)
.truncationMode(.tail)
.textSelection(.enabled)
// .padding()
Spacer()
Text("\(NewsItemView.dateFormatter.string(from: postDate))")
.foregroundStyle(.secondary)
.font(.subheadline)
.lineLimit(1)
.textSelection(.enabled)
}
.padding(.bottom, 8)
Divider()
.padding(.bottom, 16)
}
Text(news.name).font(.title3).fontWeight(.medium)
.textSelection(.enabled)
.padding(.bottom, 8)
}
Text(self.articleText)
.multilineTextAlignment(.leading)
.textSelection(.enabled)
}
.frame(maxWidth: .infinity)
.padding()
}
.scrollBounceBehavior(.basedOnSize)
.background(
colorScheme == .dark ? Color(white: 0.1) : Color(uiColor: UIColor.systemBackground))
}
.task {
if !fetched {
await model.getNewsList()
fetched = true
}
}
.navigationBarTitleDisplayMode(.inline)
.toolbar {
ToolbarItem(placement: .principal) {
Text(model.serverTitle)
.font(.headline)
}
ToolbarItem(placement: .navigationBarLeading) {
Button {
model.disconnect()
} label: {
Text(Image(systemName: "xmark.circle.fill"))
.symbolRenderingMode(.hierarchical)
.font(.title2)
.foregroundColor(.secondary)
}
}
}
}
}
}
#Preview {
MessageBoardView()
.environment(Hotline(trackerClient: HotlineTrackerClient(), client: HotlineClient()))
}
|
