318 lines
10 KiB
Swift
318 lines
10 KiB
Swift
//
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// ArtistDetailView.swift
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// Mobile Music Assistant
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//
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// Created by Sven Hanold on 26.03.26.
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//
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import SwiftUI
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struct ArtistDetailView: View {
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@Environment(MAService.self) private var service
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let artist: MAArtist
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@State private var albums: [MAAlbum] = []
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@State private var biography: String?
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@State private var isLoading = true
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@State private var errorMessage: String?
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@State private var showError = false
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@State private var kenBurnsScale: CGFloat = 1.0
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@State private var isBiographyExpanded = false
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@State private var scrollPositionAlbumID: String? = nil
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var body: some View {
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ZStack {
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// Blurred Background with Ken Burns Effect
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backgroundArtwork
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// Content
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ScrollView {
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VStack(spacing: 24) {
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// Artist Header
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artistHeader
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// Biography Section
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if let biography {
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biographySection(biography)
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}
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Divider()
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.background(Color.white.opacity(0.3))
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// Albums Section
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if isLoading {
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ProgressView()
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.padding()
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.tint(.white)
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} else if albums.isEmpty {
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Text("No albums found")
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.foregroundStyle(.white.opacity(0.7))
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.padding()
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} else {
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albumGrid
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}
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}
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}
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.scrollPosition(id: $scrollPositionAlbumID)
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}
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.navigationTitle(artist.name)
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.navigationBarTitleDisplayMode(.inline)
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.toolbarColorScheme(.dark, for: .navigationBar)
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.toolbar {
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ToolbarItem(placement: .topBarTrailing) {
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FavoriteButton(uri: artist.uri, size: 22, showInLight: true)
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}
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}
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.task(id: "albums-\(artist.uri)") {
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await loadAlbums()
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}
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.task(id: "detail-\(artist.uri)") {
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await loadArtistDetail()
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}
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.onAppear {
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withAnimation(.linear(duration: 20).repeatForever(autoreverses: true)) {
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kenBurnsScale = 1.15
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}
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}
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.alert("Error", isPresented: $showError) {
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Button("OK", role: .cancel) { }
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} message: {
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if let errorMessage {
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Text(errorMessage)
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}
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}
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}
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// MARK: - Background Artwork
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@ViewBuilder
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private var backgroundArtwork: some View {
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GeometryReader { geometry in
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CachedAsyncImage(url: service.imageProxyURL(path: artist.imageUrl, provider: artist.imageProvider, size: 512)) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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.frame(width: geometry.size.width, height: geometry.size.height)
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.scaleEffect(kenBurnsScale)
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.blur(radius: 50)
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.overlay {
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// Dark gradient overlay for better text contrast
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LinearGradient(
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colors: [
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Color.black.opacity(0.7),
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Color.black.opacity(0.5),
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Color.black.opacity(0.7)
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],
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startPoint: .top,
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endPoint: .bottom
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)
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}
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.clipped()
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} placeholder: {
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Rectangle()
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.fill(
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LinearGradient(
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colors: [Color(.systemGray6), Color(.systemGray5)],
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startPoint: .topLeading,
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endPoint: .bottomTrailing
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)
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)
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.overlay {
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Color.black.opacity(0.6)
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}
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}
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}
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.ignoresSafeArea()
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}
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// MARK: - Artist Header
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@ViewBuilder
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private var artistHeader: some View {
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VStack(spacing: 16) {
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CachedAsyncImage(url: service.imageProxyURL(path: artist.imageUrl, provider: artist.imageProvider, size: 512)) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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Circle()
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.fill(Color.white.opacity(0.1))
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.overlay {
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Image(systemName: "music.mic")
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.font(.system(size: 60))
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.foregroundStyle(.white.opacity(0.5))
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}
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}
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.frame(width: 200, height: 200)
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.clipShape(Circle())
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.shadow(color: .black.opacity(0.5), radius: 20, y: 10)
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HStack(spacing: 6) {
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ProviderBadge(uri: artist.uri, imageProvider: artist.imageProvider)
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if !albums.isEmpty {
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Text("\(albums.count) albums")
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.font(.subheadline)
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.fontWeight(.semibold)
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.foregroundStyle(.white.opacity(0.8))
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.shadow(color: .black.opacity(0.3), radius: 2, x: 0, y: 1)
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}
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}
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}
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.padding(.top)
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}
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// MARK: - Album Grid
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@ViewBuilder
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private var albumGrid: some View {
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VStack(alignment: .leading, spacing: 12) {
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Text("Albums")
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.font(.title2.bold())
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.foregroundStyle(.white)
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.shadow(color: .black.opacity(0.3), radius: 2, x: 0, y: 1)
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.padding(.horizontal)
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LazyVGrid(
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columns: [GridItem(.adaptive(minimum: 160), spacing: 16)],
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spacing: 16
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) {
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ForEach(albums) { album in
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NavigationLink(value: album) {
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ArtistAlbumCard(album: album, service: service)
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}
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.buttonStyle(.plain)
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}
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}
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.scrollTargetLayout()
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.padding(.horizontal)
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.padding(.bottom, 24)
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}
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}
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// MARK: - Biography Section
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@ViewBuilder
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private func biographySection(_ text: String) -> some View {
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VStack(alignment: .leading, spacing: 10) {
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Text("About")
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.font(.title2.bold())
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.foregroundStyle(.white)
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.shadow(color: .black.opacity(0.3), radius: 2, x: 0, y: 1)
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Text(verbatim: text)
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.font(.body)
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.foregroundStyle(.white.opacity(0.85))
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.lineLimit(isBiographyExpanded ? nil : 4)
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.lineSpacing(3)
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Button {
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withAnimation(.easeInOut(duration: 0.25)) {
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isBiographyExpanded.toggle()
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}
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} label: {
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Text(isBiographyExpanded ? "Show less" : "Show more")
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.font(.subheadline.bold())
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.foregroundStyle(.white.opacity(0.6))
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}
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}
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.padding(.horizontal)
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.frame(maxWidth: .infinity, alignment: .leading)
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}
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// MARK: - Actions
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private func loadAlbums() async {
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isLoading = true
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errorMessage = nil
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do {
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albums = try await service.libraryManager.getArtistAlbums(artistUri: artist.uri)
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isLoading = false
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} catch is CancellationError {
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return
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} catch {
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errorMessage = error.localizedDescription
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showError = true
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isLoading = false
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}
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}
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private func loadArtistDetail() async {
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do {
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let detail = try await service.getArtistDetail(artistUri: artist.uri)
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if let desc = detail.metadata?.description, !desc.isEmpty {
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biography = desc
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}
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} catch is CancellationError {
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return
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} catch {
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// Biography is optional — silently ignore if unavailable
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}
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}
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}
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// MARK: - Artist Album Card
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private struct ArtistAlbumCard: View {
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let album: MAAlbum
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let service: MAService
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var body: some View {
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VStack(alignment: .leading, spacing: 8) {
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CachedAsyncImage(url: service.imageProxyURL(path: album.imageUrl, provider: album.imageProvider, size: 256)) { image in
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image
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.resizable()
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.aspectRatio(contentMode: .fill)
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} placeholder: {
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RoundedRectangle(cornerRadius: 10)
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.fill(Color.white.opacity(0.1))
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.overlay {
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Image(systemName: "opticaldisc")
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.font(.system(size: 36))
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.foregroundStyle(.white.opacity(0.5))
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}
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}
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.aspectRatio(1, contentMode: .fit)
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.clipShape(RoundedRectangle(cornerRadius: 10))
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.shadow(color: .black.opacity(0.4), radius: 8, y: 4)
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Text(album.name)
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.font(.caption.bold())
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.lineLimit(2)
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.foregroundStyle(.white)
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.shadow(color: .black.opacity(0.3), radius: 1, x: 0, y: 1)
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if let year = album.year {
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Text(String(year))
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.font(.caption2)
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.foregroundStyle(.white.opacity(0.7))
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.shadow(color: .black.opacity(0.3), radius: 1, x: 0, y: 1)
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}
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}
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.padding(8)
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.background(
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RoundedRectangle(cornerRadius: 12)
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.fill(Color.black.opacity(0.3))
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.overlay(
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RoundedRectangle(cornerRadius: 12)
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.stroke(Color.white.opacity(0.1), lineWidth: 1)
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)
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)
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}
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}
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#Preview {
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NavigationStack {
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ArtistDetailView(
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artist: MAArtist(
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uri: "library://artist/1",
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name: "Test Artist",
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imageUrl: nil,
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sortName: nil,
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musicbrainzId: nil
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)
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)
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.environment(MAService())
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}
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}
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