636 lines
18 KiB
JavaScript
636 lines
18 KiB
JavaScript
const fs = require('fs').promises
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const path = require('path')
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const { promisify } = require('util')
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const { exec } = require('child_process')
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const ConfigManager = require('../config/config-manager')
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const execAsync = promisify(exec)
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class RepositoryService {
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constructor() {
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// 初始化配置管理器
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this.configManager = new ConfigManager()
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this.config = null
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}
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// 获取当前工作目录（基于配置）
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getCurrentBaseDir() {
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if (this.config && this.config.downloadDir) {
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// 如果是相对路径，转换为绝对路径
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return path.isAbsolute(this.config.downloadDir)
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? this.config.downloadDir
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: path.resolve(process.cwd(), this.config.downloadDir)
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}
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// 默认返回项目根目录下的downloads文件夹
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return path.resolve(process.cwd(), 'downloads')
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}
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// 初始化仓库
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async initialize() {
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try {
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// 初始化配置管理器
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await this.configManager.initialize()
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// 加载配置
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await this.loadConfig()
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// 确保下载目录存在
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const currentBaseDir = this.getCurrentBaseDir()
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await fs.mkdir(currentBaseDir, { recursive: true })
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return { success: true, message: '仓库初始化成功' }
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} catch (error) {
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throw new Error(`仓库初始化失败: ${error.message}`)
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}
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}
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// 加载配置
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async loadConfig() {
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try {
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this.config = await this.configManager.readConfig()
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} catch (error) {
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console.error('加载配置失败:', error)
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// 如果加载失败，使用默认配置
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this.config = await this.configManager.readConfig()
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}
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}
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// 保存配置
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async saveConfig() {
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try {
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await this.configManager.saveConfig(this.config)
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} catch (error) {
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throw new Error(`保存配置失败: ${error.message}`)
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}
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}
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// 获取仓库配置
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async getConfig() {
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await this.loadConfig()
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return this.config
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}
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// 更新仓库配置
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async updateConfig(newConfig) {
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this.config = { ...this.config, ...newConfig }
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await this.saveConfig()
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return { success: true, message: '配置更新成功' }
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}
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// 重置仓库配置为默认值
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async resetConfig() {
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try {
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this.config = await this.configManager.resetToDefault()
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return { success: true, message: '配置已重置为默认值' }
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} catch (error) {
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throw new Error(`重置配置失败: ${error.message}`)
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}
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}
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// 获取仓库统计信息
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async getStats() {
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try {
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const stats = await this.scanRepository()
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return {
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totalArtworks: stats.artworks.length,
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totalArtists: stats.artists.length,
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totalSize: stats.totalSize,
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diskUsage: await this.getDiskUsage(),
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lastScan: new Date().toISOString()
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}
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} catch (error) {
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throw new Error(`获取统计信息失败: ${error.message}`)
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}
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}
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// 扫描仓库
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async scanRepository() {
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const artworks = []
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const artists = new Set()
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let totalSize = 0
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try {
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// 确保配置已加载
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await this.loadConfig()
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// 使用当前配置的目录
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const currentBaseDir = this.getCurrentBaseDir()
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// 扫描作者目录
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const artistEntries = await fs.readdir(currentBaseDir, { withFileTypes: true })
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for (const artistEntry of artistEntries) {
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if (!artistEntry.isDirectory()) continue
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// 跳过配置文件和隐藏文件
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if (artistEntry.name.startsWith('.') || artistEntry.name === '.repository-config.json') {
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continue
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}
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const artistName = artistEntry.name
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const artistPath = path.join(currentBaseDir, artistName)
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// 扫描作者下的作品目录
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const artworkEntries = await fs.readdir(artistPath, { withFileTypes: true })
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for (const artworkEntry of artworkEntries) {
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if (!artworkEntry.isDirectory()) continue
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const fullPath = path.join(artistPath, artworkEntry.name)
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// 检查是否是作品目录（包含数字ID）
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const artworkMatch = artworkEntry.name.match(/^(\d+)_(.+)$/)
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if (artworkMatch) {
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const artworkId = artworkMatch[1]
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const title = artworkMatch[2]
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// 扫描作品文件
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const files = await this.scanArtworkFiles(fullPath)
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if (files.length > 0) {
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artworks.push({
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id: artworkId,
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title: title,
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artist: artistName,
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artistPath: artistPath,
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path: fullPath,
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files: files,
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size: files.reduce((sum, file) => sum + file.size, 0),
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createdAt: await this.getFileCreationTime(fullPath)
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})
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artists.add(artistName)
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totalSize += files.reduce((sum, file) => sum + file.size, 0)
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}
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}
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}
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}
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return {
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artworks,
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artists: Array.from(artists),
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totalSize
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}
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} catch (error) {
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throw new Error(`扫描仓库失败: ${error.message}`)
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}
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}
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// 扫描作品文件
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async scanArtworkFiles(artworkPath) {
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try {
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// 确保配置已加载
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await this.loadConfig()
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const files = []
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const entries = await fs.readdir(artworkPath, { withFileTypes: true })
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for (const entry of entries) {
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if (entry.isFile()) {
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const filePath = path.join(artworkPath, entry.name)
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const ext = path.extname(entry.name).toLowerCase()
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if (this.config.allowedExtensions.includes(ext)) {
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const stats = await fs.stat(filePath)
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const currentBaseDir = this.getCurrentBaseDir()
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files.push({
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name: entry.name,
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path: path.relative(currentBaseDir, filePath),
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size: stats.size,
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extension: ext,
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modifiedAt: stats.mtime
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})
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}
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}
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}
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return files
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} catch (error) {
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return []
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}
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}
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// 获取文件创建时间
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async getFileCreationTime(filePath) {
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try {
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const stats = await fs.stat(filePath)
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return stats.birthtime
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} catch (error) {
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return new Date()
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}
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}
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// 获取磁盘使用情况
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async getDiskUsage() {
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try {
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const currentBaseDir = this.getCurrentBaseDir()
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// 尝试使用 fs.statfs (Node.js 内置方法)
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try {
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const stats = await fs.statfs(currentBaseDir)
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const total = stats.blocks * stats.bsize
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const free = stats.bavail * stats.bsize
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const used = total - free
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return {
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total,
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used,
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free,
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usagePercent: Math.round((used / total) * 100)
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}
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} catch (statfsError) {
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console.log('fs.statfs 不可用，尝试使用系统命令:', statfsError.message)
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// 如果 fs.statfs 不可用，尝试使用系统命令
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if (process.platform === 'win32') {
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// Windows 系统
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try {
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const { stdout } = await execAsync('wmic logicaldisk get size,freespace,caption')
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const lines = stdout.trim().split('\n').slice(1) // 跳过标题行
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for (const line of lines) {
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const parts = line.trim().split(/\s+/)
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if (parts.length >= 3) {
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const caption = parts[0]
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const freeSpace = parseInt(parts[1])
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const totalSize = parseInt(parts[2])
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// 检查当前目录是否在这个磁盘上
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if (currentBaseDir.toUpperCase().startsWith(caption.toUpperCase())) {
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const used = totalSize - freeSpace
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return {
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total: totalSize,
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used,
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free: freeSpace,
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usagePercent: Math.round((used / totalSize) * 100)
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}
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}
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}
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}
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} catch (wmicError) {
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console.log('wmic 命令失败:', wmicError.message)
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}
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} else {
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// Unix/Linux 系统
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try {
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const { stdout } = await execAsync(`df -B1 "${currentBaseDir}" | tail -1`)
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const parts = stdout.trim().split(/\s+/)
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if (parts.length >= 4) {
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const total = parseInt(parts[1])
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const used = parseInt(parts[2])
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const free = parseInt(parts[3])
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return {
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total,
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used,
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free,
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usagePercent: Math.round((used / total) * 100)
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}
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}
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} catch (dfError) {
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console.log('df 命令失败:', dfError.message)
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}
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}
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// 如果所有方法都失败，返回默认值
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console.log('无法获取磁盘使用情况，返回默认值')
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return { total: 0, used: 0, free: 0, usagePercent: 0 }
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}
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} catch (error) {
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console.error('获取磁盘使用情况失败:', error)
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return { total: 0, used: 0, free: 0, usagePercent: 0 }
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}
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}
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// 获取作者作品
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async getArtworksByArtist(artistName, offset = 0, limit = 50) {
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try {
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const stats = await this.scanRepository()
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const artistArtworks = stats.artworks.filter(artwork =>
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artwork.artist.toLowerCase() === artistName.toLowerCase()
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)
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return {
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artworks: artistArtworks.slice(offset, offset + limit),
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total: artistArtworks.length,
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offset,
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limit
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}
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} catch (error) {
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throw new Error(`获取作者作品失败: ${error.message}`)
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}
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}
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// 按作品ID查找
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async findArtworkById(artworkId) {
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try {
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const stats = await this.scanRepository()
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return stats.artworks.find(artwork => artwork.id === artworkId)
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} catch (error) {
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throw new Error(`查找作品失败: ${error.message}`)
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}
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}
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// 检查作品是否已下载
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async isArtworkDownloaded(artworkId) {
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try {
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// 确保配置已加载
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await this.loadConfig()
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// 使用当前配置的目录
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const currentBaseDir = this.getCurrentBaseDir()
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// 扫描所有作者目录
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const artistEntries = await fs.readdir(currentBaseDir, { withFileTypes: true })
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for (const artistEntry of artistEntries) {
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if (!artistEntry.isDirectory()) continue
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// 跳过配置文件和隐藏文件
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if (artistEntry.name.startsWith('.') || artistEntry.name === '.repository-config.json') {
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continue
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}
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const artistPath = path.join(currentBaseDir, artistEntry.name)
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// 扫描作者下的作品目录
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const artworkEntries = await fs.readdir(artistPath, { withFileTypes: true })
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for (const artworkEntry of artworkEntries) {
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if (!artworkEntry.isDirectory()) continue
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// 检查是否是目标作品目录（包含数字ID）
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const artworkMatch = artworkEntry.name.match(/^(\d+)_(.+)$/)
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if (artworkMatch && artworkMatch[1] === artworkId.toString()) {
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// 检查作品目录中是否有图片文件
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const artworkPath = path.join(artistPath, artworkEntry.name)
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const files = await this.scanArtworkFiles(artworkPath)
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return files.length > 0
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}
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}
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}
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return false
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} catch (error) {
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console.error('检查作品下载状态失败:', error)
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return false
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}
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}
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// 检查目录是否存在
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async checkDirectoryExists(dirPath) {
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try {
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// 如果是相对路径，转换为绝对路径
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const fullPath = path.isAbsolute(dirPath) ? dirPath : path.resolve(process.cwd(), dirPath)
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const stats = await fs.stat(fullPath)
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return stats.isDirectory()
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} catch (error) {
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return false
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}
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}
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// 搜索作品
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async searchArtworks(query, offset = 0, limit = 50) {
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try {
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const stats = await this.scanRepository()
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const filtered = stats.artworks.filter(artwork =>
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artwork.title.toLowerCase().includes(query.toLowerCase()) ||
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artwork.artist.toLowerCase().includes(query.toLowerCase()) ||
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artwork.id.includes(query)
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)
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return {
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artworks: filtered.slice(offset, offset + limit),
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total: filtered.length,
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offset,
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limit
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}
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} catch (error) {
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throw new Error(`搜索作品失败: ${error.message}`)
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}
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}
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// 获取所有作者列表
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async getArtists(offset = 0, limit = 50) {
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try {
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const stats = await this.scanRepository()
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const artists = stats.artists.slice(offset, offset + limit)
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// 获取每个作者的统计信息
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const artistsWithStats = artists.map(artistName => {
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const artistArtworks = stats.artworks.filter(artwork => artwork.artist === artistName)
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const totalSize = artistArtworks.reduce((sum, artwork) => sum + artwork.size, 0)
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return {
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name: artistName,
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artworkCount: artistArtworks.length,
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totalSize,
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lastUpdated: artistArtworks.length > 0
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? Math.max(...artistArtworks.map(a => new Date(a.createdAt).getTime()))
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: null
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}
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})
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return {
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artists: artistsWithStats,
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total: stats.artists.length,
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offset,
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limit
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}
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} catch (error) {
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throw new Error(`获取作者列表失败: ${error.message}`)
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}
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}
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// 自动迁移旧项目
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async migrateOldProjects(sourceDir) {
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try {
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// 确保配置已加载
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await this.loadConfig()
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const currentBaseDir = this.getCurrentBaseDir()
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const result = {
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success: true,
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message: '迁移完成',
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log: [],
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totalMigrated: 0
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}
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// 确保目标目录存在
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await fs.mkdir(currentBaseDir, { recursive: true })
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// 扫描源目录
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const sourceEntries = await fs.readdir(sourceDir, { withFileTypes: true })
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for (const entry of sourceEntries) {
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if (!entry.isDirectory()) continue
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const oldDirPath = path.join(sourceDir, entry.name)
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const newDirPath = path.join(currentBaseDir, entry.name)
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// 检查是否已存在
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try {
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await fs.access(newDirPath)
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result.log.push({
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id: entry.name,
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title: entry.name,
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status: 'skipped',
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reason: '目录已存在'
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})
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continue
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} catch (error) {
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// 目录不存在，可以迁移
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}
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try {
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// 直接移动整个目录
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await fs.rename(oldDirPath, newDirPath)
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result.log.push({
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id: entry.name,
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title: entry.name,
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status: 'success'
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})
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result.totalMigrated++
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} catch (error) {
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result.log.push({
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id: entry.name,
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title: entry.name,
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status: 'error',
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reason: error.message
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})
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}
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}
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return result
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} catch (error) {
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throw new Error(`迁移失败: ${error.message}`)
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}
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}
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// 从旧目录迁移到新目录
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async migrateFromOldToNew(oldDir, newDir) {
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try {
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const result = {
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success: true,
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message: '迁移完成',
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log: [],
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totalMigrated: 0
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}
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// 检查旧目录是否存在
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try {
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await fs.access(oldDir)
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} catch (error) {
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return {
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...result,
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message: '旧目录不存在，无需迁移'
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}
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}
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// 确保新目录存在
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await fs.mkdir(newDir, { recursive: true })
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// 扫描旧目录
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const oldEntries = await fs.readdir(oldDir, { withFileTypes: true })
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for (const entry of oldEntries) {
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if (!entry.isDirectory()) continue
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const oldEntryPath = path.join(oldDir, entry.name)
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const newEntryPath = path.join(newDir, entry.name)
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// 检查是否已存在
|
|
try {
|
|
await fs.access(newEntryPath)
|
|
result.log.push({
|
|
id: entry.name,
|
|
title: entry.name,
|
|
status: 'skipped',
|
|
reason: '目录已存在'
|
|
})
|
|
continue
|
|
} catch (error) {
|
|
// 目录不存在，可以迁移
|
|
}
|
|
|
|
try {
|
|
// 直接移动整个目录
|
|
await fs.rename(oldEntryPath, newEntryPath)
|
|
|
|
result.log.push({
|
|
id: entry.name,
|
|
title: entry.name,
|
|
status: 'success'
|
|
})
|
|
result.totalMigrated++
|
|
|
|
} catch (error) {
|
|
result.log.push({
|
|
id: entry.name,
|
|
title: entry.name,
|
|
status: 'error',
|
|
reason: error.message
|
|
})
|
|
}
|
|
}
|
|
|
|
return result
|
|
} catch (error) {
|
|
throw new Error(`迁移失败: ${error.message}`)
|
|
}
|
|
}
|
|
|
|
// 复制目录
|
|
async copyDirectory(source, target) {
|
|
try {
|
|
await fs.mkdir(target, { recursive: true })
|
|
const entries = await fs.readdir(source, { withFileTypes: true })
|
|
|
|
for (const entry of entries) {
|
|
const sourcePath = path.join(source, entry.name)
|
|
const targetPath = path.join(target, entry.name)
|
|
|
|
if (entry.isDirectory()) {
|
|
await this.copyDirectory(sourcePath, targetPath)
|
|
} else {
|
|
await fs.copyFile(sourcePath, targetPath)
|
|
}
|
|
}
|
|
} catch (error) {
|
|
throw new Error(`复制目录失败: ${error.message}`)
|
|
}
|
|
}
|
|
|
|
// 删除作品
|
|
async deleteArtwork(artworkId) {
|
|
try {
|
|
const artwork = await this.findArtworkById(artworkId)
|
|
if (!artwork) {
|
|
throw new Error('作品不存在')
|
|
}
|
|
|
|
await fs.rm(artwork.path, { recursive: true, force: true })
|
|
|
|
// 检查作者目录是否为空，如果为空则删除
|
|
const artistDir = artwork.artistPath
|
|
const artistArtworks = await this.getArtworksByArtist(artwork.artist)
|
|
if (artistArtworks.artworks.length === 0) {
|
|
await fs.rmdir(artistDir)
|
|
}
|
|
|
|
return { success: true, message: '作品删除成功' }
|
|
} catch (error) {
|
|
throw new Error(`删除作品失败: ${error.message}`)
|
|
}
|
|
}
|
|
|
|
// 获取文件预览URL
|
|
async getFilePreviewUrl(filePath) {
|
|
// 这里可以返回一个代理URL，用于前端预览
|
|
const relativePath = path.relative(this.baseDir, filePath)
|
|
return `/api/repository/preview?path=${encodeURIComponent(relativePath)}`
|
|
}
|
|
}
|
|
|
|
module.exports = RepositoryService
|