feat: 后端改为deno

backend-deno/modules/apple_music.ts

@@ -0,0 +1,230 @@
+/**
+ * Apple Music 控制和状态获取模块 (Deno 版本)
+ * 负责与 Apple Music 应用交互的所有功能
+ */
+
+export interface MusicStatus {
+  status: "playing" | "paused" | "stopped" | "notrunning" | "error";
+  track_name?: string;
+  artist?: string;
+  position?: number;
+  duration?: number;
+  error?: string;
+}
+
+export interface ControlResult {
+  status: "success" | "error";
+  message?: string;
+}
+
+/**
+ * 运行 AppleScript 并返回结果
+ */
+async function runAppleScript(script: string): Promise<string> {
+  const process = new Deno.Command("osascript", {
+    args: ["-e", script],
+    stdout: "piped",
+    stderr: "piped",
+  });
+
+  try {
+    const { code, stdout, stderr } = await process.output();
+    const output = new TextDecoder().decode(stdout).trim();
+    const error = new TextDecoder().decode(stderr).trim();
+
+    if (code !== 0) {
+      console.warn(`AppleScript 执行失败: ${error}`);
+      return "";
+    }
+
+    return output;
+  } catch (error) {
+    console.error(`执行 AppleScript 时发生错误: ${error}`);
+    return "";
+  }
+}
+
+/**
+ * 获取 Apple Music 播放状态 - 适配 macOS Tahoe
+ */
+export async function getMusicStatus(): Promise<MusicStatus> {
+  // 先获取播放状态
+  const statusScript = `
+    tell application "Music"
+      if it is running then
+        set playerState to (get player state) as string
+        return playerState
+      else
+        return "notrunning"
+      end if
+    end tell
+  `;
+
+  try {
+    const playerState = await runAppleScript(statusScript);
+
+    if (!playerState) {
+      console.error("AppleScript 执行失败，返回了空值");
+      return { status: "error", error: "AppleScript execution failed" };
+    }
+
+    if (playerState === "notrunning") {
+      return { status: "notrunning" };
+    }
+
+    if (playerState === "stopped") {
+      return { status: "stopped" };
+    }
+
+    // 尝试获取歌曲信息
+    try {
+      const infoScript = `
+        tell application "Music"
+          if it is running then
+            try
+              set trackName to ""
+              set artistName to ""
+              set pos to 0
+              set dur to 0
+
+              if exists current track then
+                set t to current track
+                try
+                  set trackName to (name of t) as text
+                end try
+                try
+                  set artistName to (artist of t) as text
+                end try
+                try
+                  set dur to (duration of t) as real
+                end try
+              end if
+
+              try
+                set pos to (player position) as real
+              end try
+
+              return "success|||" & trackName & "|||" & artistName & "|||" & (pos as text) & "|||" & (dur as text)
+            on error errMsg
+              return "error|||" & errMsg
+            end try
+          else
+            return "notrunning"
+          end if
+        end tell
+      `;
+
+      const infoResult = await runAppleScript(infoScript);
+
+      if (infoResult && infoResult.startsWith("success|||")) {
+        const parts = infoResult.split("|||");
+        if (parts.length >= 5) {
+          return {
+            status: playerState as "playing" | "paused",
+            track_name: parts[1],
+            artist: parts[2],
+            position: parseFloat(parts[3]),
+            duration: parseFloat(parts[4]),
+          };
+        }
+      }
+    } catch (error) {
+      console.warn(`获取歌曲信息失败: ${error}`);
+    }
+
+    // 如果无法获取歌曲信息，至少返回播放状态
+    return {
+      status: playerState as "playing" | "paused",
+      track_name: "无法获取歌曲信息",
+      artist: "无法获取艺术家信息",
+      position: 0,
+      duration: 0,
+    };
+  } catch (error) {
+    console.error(`获取音乐状态时发生异常: ${error}`);
+    return { status: "error", error: String(error) };
+  }
+}
+
+/**
+ * 控制 Apple Music 播放
+ */
+export async function controlMusic(
+  action: string,
+  position?: number
+): Promise<ControlResult> {
+  let script = "";
+
+  try {
+    switch (action) {
+      case "playpause":
+        script = `
+          tell application "Music"
+            if it is running then
+              playpause
+              return "ok"
+            else
+              return "notrunning"
+            end if
+          end tell
+        `;
+        break;
+
+      case "previous":
+        script = `
+          tell application "Music"
+            if it is running then
+              previous track
+              return "ok"
+            else
+              return "notrunning"
+            end if
+          end tell
+        `;
+        break;
+
+      case "next":
+        script = `
+          tell application "Music"
+            if it is running then
+              next track
+              return "ok"
+            else
+              return "notrunning"
+            end if
+          end tell
+        `;
+        break;
+
+      case "seek":
+        if (position !== undefined) {
+          script = `
+            tell application "Music"
+              if it is running then
+                set player position to ${position}
+                return "ok"
+              else
+                return "notrunning"
+              end if
+            end tell
+          `;
+        } else {
+          return { status: "error", message: "位置参数不能为空" };
+        }
+        break;
+
+      default:
+        return { status: "error", message: "未知的命令" };
+    }
+
+    const result = await runAppleScript(script);
+
+    if (result === "ok") {
+      return { status: "success" };
+    } else {
+      return { status: "error", message: result };
+    }
+  } catch (error) {
+    return { status: "error", message: String(error) };
+  }
+}