fix(本地音乐): 扫描阶段直接使用mtime做增量判断

This commit is contained in:
alger
2026-03-04 20:59:34 +08:00
parent 92877d86e9
commit c714860c96
5 changed files with 98 additions and 41 deletions
+68
View File
@@ -34,6 +34,11 @@ type LocalMusicMeta = {
modifiedTime: number;
};
type ScannedMusicFile = {
path: string;
modifiedTime: number;
};
/**
* 判断文件扩展名是否为支持的音频格式
* @param ext 文件扩展名(含点号,如 .mp3)
@@ -146,6 +151,58 @@ async function scanMusicFiles(folderPath: string): Promise<string[]> {
return results;
}
/**
* 递归扫描指定文件夹,返回包含修改时间的音乐文件信息
* @param folderPath 要扫描的文件夹路径
* @returns 音乐文件信息列表
*/
async function scanMusicFilesWithStats(folderPath: string): Promise<ScannedMusicFile[]> {
const results: ScannedMusicFile[] = [];
if (!fs.existsSync(folderPath)) {
throw new Error(`文件夹不存在: ${folderPath}`);
}
const stat = await fs.promises.stat(folderPath);
if (!stat.isDirectory()) {
throw new Error(`路径不是文件夹: ${folderPath}`);
}
async function walkDirectory(dirPath: string): Promise<void> {
try {
const entries = await fs.promises.readdir(dirPath, { withFileTypes: true });
for (const entry of entries) {
const fullPath = path.join(dirPath, entry.name);
if (entry.isDirectory()) {
await walkDirectory(fullPath);
} else if (entry.isFile()) {
const ext = path.extname(entry.name);
if (!isSupportedFormat(ext)) {
continue;
}
try {
const fileStat = await fs.promises.stat(fullPath);
results.push({
path: fullPath,
modifiedTime: fileStat.mtimeMs
});
} catch (error) {
console.error(`读取文件信息失败: ${fullPath}`, error);
}
}
}
} catch (error) {
console.error(`扫描目录失败: ${dirPath}`, error);
}
}
await walkDirectory(folderPath);
return results;
}
/**
* 解析单个音乐文件的元数据
* 解析失败时使用 fallback 默认值(文件名作标题),不抛出异常
@@ -232,6 +289,17 @@ export function initializeLocalMusicScanner(): void {
}
});
// 扫描指定文件夹中的音乐文件(包含修改时间)
ipcMain.handle('scan-local-music-with-stats', async (_, folderPath: string) => {
try {
const files = await scanMusicFilesWithStats(folderPath);
return { files, count: files.length };
} catch (error: any) {
console.error('扫描本地音乐(含文件信息)失败:', error);
return { error: error.message || '扫描失败' };
}
});
// 批量解析音乐文件元数据
ipcMain.handle('parse-local-music-metadata', async (_, filePaths: string[]) => {
try {