feat: 添加下载管理页面, 引入文件类型检测库以支持多种音频格式

This commit is contained in:
alger
2025-06-03 22:35:04 +08:00
parent bfaa06b0d5
commit 3ac3159058
7 changed files with 1217 additions and 651 deletions
+183 -69
View File
@@ -6,6 +6,11 @@ import * as http from 'http';
import * as https from 'https';
import * as NodeID3 from 'node-id3';
import * as path from 'path';
import * as os from 'os';
import * as mm from 'music-metadata';
// 导入文件类型库,这里使用CommonJS兼容方式导入
// 对于file-type v21.0.0需要这样导入
import { fileTypeFromFile } from 'file-type';
import { getStore } from './config';
@@ -36,9 +41,18 @@ export function initializeFileManager() {
// 注册本地文件协议
protocol.registerFileProtocol('local', (request, callback) => {
try {
const decodedUrl = decodeURIComponent(request.url);
const filePath = decodedUrl.replace('local://', '');
let url = request.url;
// local://C:/Users/xxx.mp3
let filePath = decodeURIComponent(url.replace('local:///', ''));
// 兼容 local:///C:/Users/xxx.mp3 这种情况
if (/^\/[a-zA-Z]:\//.test(filePath)) {
filePath = filePath.slice(1);
}
// 还原为系统路径格式
filePath = path.normalize(filePath);
// 检查文件是否存在
if (!fs.existsSync(filePath)) {
console.error('File not found:', filePath);
@@ -53,6 +67,31 @@ export function initializeFileManager() {
}
});
// 检查文件是否存在
ipcMain.handle('check-file-exists', (_, filePath) => {
try {
return fs.existsSync(filePath);
} catch (error) {
console.error('Error checking if file exists:', error);
return false;
}
});
// 获取支持的音频格式列表
ipcMain.handle('get-supported-audio-formats', () => {
return {
formats: [
{ ext: 'mp3', name: 'MP3' },
{ ext: 'm4a', name: 'M4A/AAC' },
{ ext: 'flac', name: 'FLAC' },
{ ext: 'wav', name: 'WAV' },
{ ext: 'ogg', name: 'OGG Vorbis' },
{ ext: 'aac', name: 'AAC' }
],
default: 'mp3'
};
});
// 通用的选择目录处理
ipcMain.handle('select-directory', async () => {
const result = await dialog.showOpenDialog({
@@ -311,6 +350,7 @@ async function downloadMusic(
) {
let finalFilePath = '';
let writer: fs.WriteStream | null = null;
let tempFilePath = '';
try {
// 使用配置Store来获取设置
@@ -322,25 +362,21 @@ async function downloadMusic(
// 清理文件名中的非法字符
const sanitizedFilename = sanitizeFilename(filename);
// 从URL中获取文件扩展名,如果没有则使用传入的type或默认mp3
const urlExt = type ? `.${type}` : '.mp3';
const filePath = path.join(downloadPath, `${sanitizedFilename}${urlExt}`);
// 检查文件是否已存在,如果存在则添加序号
finalFilePath = filePath;
let counter = 1;
while (fs.existsSync(finalFilePath)) {
const ext = path.extname(filePath);
const nameWithoutExt = filePath.slice(0, -ext.length);
finalFilePath = `${nameWithoutExt} (${counter})${ext}`;
counter++;
// 创建临时文件路径 (在系统临时目录中创建)
const tempDir = path.join(os.tmpdir(), 'AlgerMusicPlayerTemp');
// 确保临时目录存在
if (!fs.existsSync(tempDir)) {
fs.mkdirSync(tempDir, { recursive: true });
}
tempFilePath = path.join(tempDir, `${Date.now()}_${sanitizedFilename}.tmp`);
// 先获取文件大小
const headResponse = await axios.head(url);
const totalSize = parseInt(headResponse.headers['content-length'] || '0', 10);
// 开始下载
// 开始下载到临时文件
const response = await axios({
url,
method: 'GET',
@@ -350,7 +386,7 @@ async function downloadMusic(
httpsAgent: new https.Agent({ keepAlive: true })
});
writer = fs.createWriteStream(finalFilePath);
writer = fs.createWriteStream(tempFilePath);
let downloadedSize = 0;
// 使用 data 事件来跟踪下载进度
@@ -362,7 +398,7 @@ async function downloadMusic(
progress,
loaded: downloadedSize,
total: totalSize,
path: finalFilePath,
path: tempFilePath,
status: progress === 100 ? 'completed' : 'downloading',
songInfo: songInfo || {
name: filename,
@@ -380,11 +416,77 @@ async function downloadMusic(
});
// 验证文件是否完整下载
const stats = fs.statSync(finalFilePath);
const stats = fs.statSync(tempFilePath);
if (stats.size !== totalSize) {
throw new Error('文件下载不完整');
}
// 检测文件类型
let fileExtension = '';
try {
// 首先尝试使用file-type库检测
const fileType = await fileTypeFromFile(tempFilePath);
if (fileType && fileType.ext) {
fileExtension = `.${fileType.ext}`;
console.log(`文件类型检测结果: ${fileType.mime}, 扩展名: ${fileExtension}`);
} else {
// 如果file-type无法识别,尝试使用music-metadata
const metadata = await mm.parseFile(tempFilePath);
if (metadata && metadata.format) {
// 根据format.container或codec判断扩展名
const formatInfo = metadata.format;
const container = formatInfo.container || '';
const codec = formatInfo.codec || '';
// 音频格式映射表
const formatMap = {
'mp3': ['MPEG', 'MP3', 'mp3'],
'aac': ['AAC'],
'flac': ['FLAC'],
'ogg': ['Ogg', 'Vorbis'],
'wav': ['WAV', 'PCM'],
'm4a': ['M4A', 'MP4']
};
// 查找匹配的格式
const format = Object.entries(formatMap).find(([_, keywords]) =>
keywords.some(keyword => container.includes(keyword) || codec.includes(keyword))
);
// 设置文件扩展名,如果没找到则默认为mp3
fileExtension = format ? `.${format[0]}` : '.mp3';
console.log(`music-metadata检测结果: 容器:${container}, 编码:${codec}, 扩展名: ${fileExtension}`);
} else {
// 两种方法都失败,使用传入的type或默认mp3
fileExtension = type ? `.${type}` : '.mp3';
console.log(`无法检测文件类型,使用默认扩展名: ${fileExtension}`);
}
}
} catch (err) {
console.error('检测文件类型失败:', err);
// 检测失败,使用传入的type或默认mp3
fileExtension = type ? `.${type}` : '.mp3';
}
// 使用检测到的文件扩展名创建最终文件路径
const filePath = path.join(downloadPath, `${sanitizedFilename}${fileExtension}`);
// 检查文件是否已存在,如果存在则添加序号
finalFilePath = filePath;
let counter = 1;
while (fs.existsSync(finalFilePath)) {
const ext = path.extname(filePath);
const nameWithoutExt = filePath.slice(0, -ext.length);
finalFilePath = `${nameWithoutExt} (${counter})${ext}`;
counter++;
}
// 将临时文件移动到最终位置
fs.copyFileSync(tempFilePath, finalFilePath);
fs.unlinkSync(tempFilePath); // 删除临时文件
// 下载歌词
let lyricData = null;
let lyricsContent = '';
@@ -413,8 +515,7 @@ async function downloadMusic(
}
}
// 不再单独写入歌词文件,只保存在ID3标签中
console.log('歌词已准备好,将写入ID3标签');
console.log('歌词已准备好,将写入元数据');
}
}
} catch (lyricError) {
@@ -437,9 +538,7 @@ async function downloadMusic(
// 获取封面图片的buffer
coverImageBuffer = Buffer.from(coverResponse.data);
// 不再单独保存封面文件,只保存在ID3标签中
console.log('封面已准备好,将写入ID3标签');
console.log('封面已准备好,将写入元数据');
}
}
} catch (coverError) {
@@ -447,54 +546,58 @@ async function downloadMusic(
// 继续处理,不影响音乐下载
}
// 在写入ID3标签前,先移除可能存在的旧标签
try {
NodeID3.removeTags(finalFilePath);
} catch (err) {
console.error('Error removing existing ID3 tags:', err);
}
// 强化ID3标签的写入格式
const fileFormat = fileExtension.toLowerCase();
const artistNames =
(songInfo?.ar || songInfo?.song?.artists)?.map((a: any) => a.name).join('/ ') || '未知艺术家';
const tags = {
title: filename,
artist: artistNames,
TPE1: artistNames,
TPE2: artistNames,
album: songInfo?.al?.name || songInfo?.song?.album?.name || songInfo?.name || filename,
APIC: {
// 专辑封面
imageBuffer: coverImageBuffer,
type: {
id: 3,
name: 'front cover'
},
description: 'Album cover',
mime: 'image/jpeg'
},
USLT: {
// 歌词
language: 'chi',
description: 'Lyrics',
text: lyricsContent || ''
},
trackNumber: songInfo?.no || undefined,
year: songInfo?.publishTime
? new Date(songInfo.publishTime).getFullYear().toString()
: undefined
};
try {
const success = NodeID3.write(tags, finalFilePath);
if (!success) {
console.error('Failed to write ID3 tags');
} else {
console.log('ID3 tags written successfully');
// 根据文件类型处理元数据
if (['.mp3'].includes(fileFormat)) {
// 对MP3文件使用NodeID3处理ID3标签
try {
// 在写入ID3标签前,先移除可能存在的旧标签
NodeID3.removeTags(finalFilePath);
const tags = {
title: filename,
artist: artistNames,
TPE1: artistNames,
TPE2: artistNames,
album: songInfo?.al?.name || songInfo?.song?.album?.name || songInfo?.name || filename,
APIC: {
// 专辑封面
imageBuffer: coverImageBuffer,
type: {
id: 3,
name: 'front cover'
},
description: 'Album cover',
mime: 'image/jpeg'
},
USLT: {
// 歌词
language: 'chi',
description: 'Lyrics',
text: lyricsContent || ''
},
trackNumber: songInfo?.no || undefined,
year: songInfo?.publishTime
? new Date(songInfo.publishTime).getFullYear().toString()
: undefined
};
const success = NodeID3.write(tags, finalFilePath);
if (!success) {
console.error('Failed to write ID3 tags');
} else {
console.log('ID3 tags written successfully');
}
} catch (err) {
console.error('Error writing ID3 tags:', err);
}
} catch (err) {
console.error('Error writing ID3 tags:', err);
} else {
// 对于非MP3文件,使用music-metadata来写入元数据可能需要专门的库
// 或者根据不同文件类型使用专用工具,暂时只记录但不处理
console.log(`文件类型 ${fileFormat} 不支持使用NodeID3写入标签,跳过元数据写入`);
}
// 保存下载信息
@@ -519,7 +622,7 @@ async function downloadMusic(
size: totalSize,
path: finalFilePath,
downloadTime: Date.now(),
type: type || 'mp3',
type: fileExtension.substring(1), // 去掉前面的点号,只保留扩展名
lyric: lyricData
};
@@ -571,6 +674,17 @@ async function downloadMusic(
if (writer) {
writer.end();
}
// 清理临时文件
if (tempFilePath && fs.existsSync(tempFilePath)) {
try {
fs.unlinkSync(tempFilePath);
} catch (e) {
console.error('Failed to delete temporary file:', e);
}
}
// 清理未完成的最终文件
if (finalFilePath && fs.existsSync(finalFilePath)) {
try {
fs.unlinkSync(finalFilePath);