Spotify Example

Examples/Examples.xcworkspace/xcshareddata/IDEWorkspaceChecks.plist

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+	<key>IDEDidComputeMac32BitWarning</key>
+	<true/>
+</dict>
+</plist>

Examples/Examples.xcworkspace/xcshareddata/swiftpm/Package.resolved

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+{
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+      "location" : "https://github.com/apple/swift-async-algorithms",
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+}

Examples/Spotify/.gitignore

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+.DS_Store
+/.build
+/Packages
+xcuserdata/
+DerivedData/
+.swiftpm/configuration/registries.json
+.swiftpm/xcode/package.xcworkspace/contents.xcworkspacedata
+.netrc

Examples/Spotify/App/Artists/ArtistsFeature.swift

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+import ComposableArchitecture
+import ComposableLoadable
+import Foundation
+
+@Reducer
+enum ArtistsFeature {
+  @ReducerCaseIgnored
+  case empty
+  case artists(PaginationFeature<Artist>)
+}
+
+extension PaginationFeature<Artist> {
+  init() {
+    @Dependency(\.spotify) var spotify
+    self.init(loadPage: spotify.paginateFollowedArtists)
+  }
+}

Examples/Spotify/App/Artists/ArtistsView.swift

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+import ComposableArchitecture
+import ComposableLoadable
+import SwiftUI
+
+struct ArtistsView {
+  let store: StoreOf<ArtistsFeature>
+
+  #if os(macOS)
+  let columns = Array(repeating: GridItem(.fixed(160), spacing: 0), count: 4)
+  #elseif os(tvOS)
+  let columns = Array(repeating: GridItem(.fixed(256), spacing: 0), count: 5)
+  #else
+  let columns = Array(repeating: GridItem(.fixed(120), spacing: 0), count: 3)
+  #endif
+}
+
+extension ArtistsView: View {
+
+  var body: some View {
+    WithPerceptionTracking {
+      contentView
+    }
+  }
+
+  @ViewBuilder
+  private var contentView: some View {
+    switch store.case {
+    case .empty:
+      Text("No Artists")
+    case let .artists(store):
+      ScrollView(.vertical) {
+        LazyVGrid(columns: columns, spacing: 0) {
+          ForEach(store.elements.sorted().reversed()) { artist in
+            ArtistView(artist: artist)
+          }
+
+          PaginationLoadMore(store, direction: .bottom) { error, _ in
+            Text("Error fetching next page: \(error)")
+          } noMoreResults: {
+            Text("No more artists")
+          } onActive: {
+            ProgressView()
+          }
+        }
+      }
+    }
+  }
+}
+
+struct ArtistView: View {
+  @Environment(\.displayScale) var displayScale
+  let artist: Artist
+  var body: some View {
+    ZStack(alignment: .bottom) {
+      AsyncImage(url: artist.images.first?.url, scale: displayScale) { phase in
+        switch phase {
+        case let .success(image):
+          image.resizable()
+            .aspectRatio(1.0, contentMode: .fit)
+        default:
+          EmptyView()
+        }
+      }
+      .clipped()
+
+      Text(artist.name)
+        .padding(.vertical, 8)
+        .frame(maxWidth: .greatestFiniteMagnitude)
+        .background(.ultraThinMaterial, in: Rectangle())
+    }
+  }
+}

Examples/Spotify/App/Artists/SpotifyClient+PaginatingArtists.swift

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+import ComposableLoadable
+
+extension Spotify.Client {
+  @Sendable func paginateFollowedArtists(
+    _ request: PaginationFeature<Artist>.PageRequest
+  ) async throws -> PaginationFeature<Artist>.Page {
+    let artists = try await followedArtists(after: request.cursor).artists
+    return PaginationFeature<Artist>
+      .Page(
+        previous: artists.cursors.before,
+        next: artists.cursors.after,
+        elements: artists.items
+      )
+  }
+}