Function migrateFromLegacyDir

apps/desktop/main/paths.ts:496–551

()

 * 只有在所有数据都成功迁移后才删除旧目录
 */
export function migrateFromLegacyDir(): { success: boolean; migratedDirs: string[]; error?: string } {
  const legacyDir = getLegacyDataDir()
  const newDir = getUserDataDir()

  try {
    if (!fs.existsSync(legacyDir)) {
      return { success: true, migratedDirs: [] }
    }

    // 获取旧目录下的所有子目录和文件
    const entries = fs.readdirSync(legacyDir, { withFileTypes: true })
    const dirsToMigrate = entries.filter((e) => e.isDirectory() && !e.name.startsWith('.')).map((e) => e.name)
    const filesToMigrate = entries.filter((e) => e.isFile() && !e.name.startsWith('.')).map((e) => e.name)

    const result = migrateDirectory(legacyDir, newDir, dirsToMigrate)

    // 迁移根目录下的文件
    ensureDir(newDir)
    for (const file of filesToMigrate) {
      const srcPath = path.join(legacyDir, file)
      const destPath = path.join(newDir, file)
      if (!fs.existsSync(destPath)) {
        fs.copyFileSync(srcPath, destPath)
      }
    }

    // 构建迁移摘要
    const summary: string[] = []
    summary.push(`Migration from ${legacyDir} to ${newDir}`)

    // 迁移成功，删除旧目录
    fs.rmSync(legacyDir, { recursive: true, force: true })
    summary.push('Status: Success, legacy directory removed')

    if (result.migratedDirs.length > 0) {
      summary.push(`Migrated dirs: ${result.migratedDirs.join(', ')}`)
    }
    if (filesToMigrate.length > 0) {
      summary.push(`Migrated files: ${filesToMigrate.length}`)
    }

    // 写入迁移日志
    writeMigrationLog(getLogsDir(), summary.join(' | '), ensureDir)

    return { success: true, migratedDirs: result.migratedDirs }
  } catch (error) {
    console.error('[Paths] Migration failed:', error)
    const errorMsg = error instanceof Error ? error.message : String(error)
    writeMigrationLog(getLogsDir(), `Migration failed: ${errorMsg}`, ensureDir)
    return {
      success: false,
      migratedDirs: [],
      error: errorMsg,
    }
  }
}

/**