Add Spotify integration with toggleable music source

- Add OAuth 2.0 PKCE authentication for Spotify Web API - Create SpotifyNowPlayingMonitor for polling current track - Add Settings tab with music source toggle (Apple Music/Spotify) - Store tokens securely in Keychain - Display current track on Glass as NOW_PLAYING card 🤖 Generated with [Claude Code](https://claude.com/claude-code) Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
2026-01-10 20:27:37 +00:00
parent c13a4f3247
commit 11ee893367
10 changed files with 875 additions and 6 deletions
--- a/IrisCompanion/iris/Spotify/SpotifyAPIClient.swift
+++ b/IrisCompanion/iris/Spotify/SpotifyAPIClient.swift
@@ -0,0 +1,77 @@
+//
+//  SpotifyAPIClient.swift
+//  iris
+//
+//  Spotify Web API client for fetching currently playing track.
+//
+
+import Foundation
+import os
+
+@available(iOS 16.0, *)
+@MainActor
+final class SpotifyAPIClient {
+    private let authManager: SpotifyAuthManager
+    private let logger = Logger(subsystem: Bundle.main.bundleIdentifier ?? "iris", category: "SpotifyAPI")
+    private let baseUrl = "https://api.spotify.com/v1"
+
+    init(authManager: SpotifyAuthManager) {
+        self.authManager = authManager
+    }
+
+    func getCurrentPlayback() async throws -> SpotifyPlaybackState? {
+        try await getCurrentPlayback(isRetry: false)
+    }
+
+    private func getCurrentPlayback(isRetry: Bool) async throws -> SpotifyPlaybackState? {
+        let refreshed = await authManager.refreshTokenIfNeeded()
+        guard refreshed else {
+            throw SpotifyAPIError.notAuthenticated
+        }
+
+        guard let token = authManager.accessToken else {
+            throw SpotifyAPIError.notAuthenticated
+        }
+
+        var request = URLRequest(url: URL(string: "\(baseUrl)/me/player/currently-playing")!)
+        request.httpMethod = "GET"
+        request.setValue("Bearer \(token)", forHTTPHeaderField: "Authorization")
+
+        let (data, response) = try await URLSession.shared.data(for: request)
+
+        guard let httpResponse = response as? HTTPURLResponse else {
+            throw SpotifyAPIError.invalidResponse
+        }
+
+        switch httpResponse.statusCode {
+        case 200:
+            return try JSONDecoder().decode(SpotifyPlaybackState.self, from: data)
+        case 204:
+            return nil
+        case 401:
+            guard !isRetry else {
+                throw SpotifyAPIError.tokenExpired
+            }
+            let refreshed = await authManager.refreshTokenIfNeeded()
+            if refreshed {
+                return try await getCurrentPlayback(isRetry: true)
+            }
+            throw SpotifyAPIError.tokenExpired
+        case 429:
+            let retryAfter = httpResponse.value(forHTTPHeaderField: "Retry-After")
+            logger.warning("Rate limited, retry after: \(retryAfter ?? "unknown")")
+            throw SpotifyAPIError.rateLimited
+        default:
+            logger.error("API error: \(httpResponse.statusCode)")
+            throw SpotifyAPIError.apiError(httpResponse.statusCode)
+        }
+    }
+
+    enum SpotifyAPIError: Error {
+        case notAuthenticated
+        case tokenExpired
+        case invalidResponse
+        case rateLimited
+        case apiError(Int)
+    }
+}