feat: AIHR 智能人力资源管理系统初始提交

- 员工花名册管理（加密存储、导入导出） - 薪酬管理（发薪批次、薪酬模版、加班费计算、工资条） - 社保公积金（多城市配置、版本管理、基数调整） - 解聘管理（6步流程、证据链、工作交接） - AI 助手（合同审查、风险预测、RAG 知识库） - Dashboard 仪表盘 - 设置与通知
2026-07-24 13:53:11 +08:00
commit 0df8aa77d9
109 changed files with 38190 additions and 0 deletions
@@ -0,0 +1,243 @@
+import { Router, Response } from 'express'
+import { authMiddleware, AuthRequest } from '../middleware/auth'
+import prisma from '../lib/prisma'
+import { decrypt } from '../lib/crypto'
+import ExcelJS from 'exceljs'
+import { createGzip } from 'zlib'
+import { Writable } from 'stream'
+
+const router = Router()
+
+// 敏感字段脱敏
+function maskIdCard(idCard: string | null): string | null {
+  if (!idCard) return null
+  if (idCard.length >= 11) return idCard.slice(0, 3) + '*'.repeat(idCard.length - 7) + idCard.slice(-4)
+  return idCard
+}
+function maskBankAccount(account: string | null): string | null {
+  if (!account) return null
+  if (account.length > 4) return '*'.repeat(account.length - 4) + account.slice(-4)
+  return account
+}
+
+// 导出全部数据（支持模块选择、格式选择、脱敏）
+router.get('/all', authMiddleware, async (req: AuthRequest, res: Response, next) => {
+  try {
+    const orgId = req.user!.orgId
+    const format = (req.query.format as string) || 'json'
+    const mask = req.query.mask === 'true' || req.user!.role !== 'ADMIN'
+    const modules = (req.query.modules as string || 'employees,contracts,terminations,payrollBatches,payslips,socialRecords,housingRecords,riskItems').split(',')
+
+    const fetchMap: Record<string, () => Promise<any>> = {
+      employees: () => prisma.employee.findMany({ where: { orgId } }),
+      contracts: () => prisma.laborContract.findMany({ where: { orgId } }),
+      terminations: () => prisma.terminationRecord.findMany({ where: { orgId } }),
+      payrollBatches: () => prisma.payrollBatch.findMany({ where: { orgId } }),
+      payslips: () => prisma.payslip.findMany({ where: { orgId } }),
+      socialRecords: () => prisma.employeeSocialInsRecord.findMany({ where: { orgId } }),
+      housingRecords: () => prisma.employeeHousingFundRecord.findMany({ where: { orgId } }),
+      riskItems: () => prisma.riskItem.findMany({ where: { orgId } }),
+    }
+
+    const useGzip = req.query.gzip !== 'false'
+    const batchSize = 500
+
+    if (format === 'excel') {
+      const data: any = { exportedAt: new Date().toISOString(), orgId }
+
+      if (modules.includes('employees')) {
+        const employees = await fetchMap.employees()
+        data.employees = employees.map((e: any) => {
+          let salary = 0
+          try { salary = Number(decrypt(e.monthlySalary)) || 0 } catch { salary = Number(e.monthlySalary) || 0 }
+          let idCard: string | null = null
+          try { if (e.idCardNumber) idCard = decrypt(e.idCardNumber) } catch { idCard = e.idCardNumber }
+          let bankAccount: string | null = null
+          try { if (e.bankAccount) bankAccount = decrypt(e.bankAccount) } catch { bankAccount = e.bankAccount }
+          if (mask) {
+            idCard = maskIdCard(idCard)
+            bankAccount = maskBankAccount(bankAccount)
+            if (salary) salary = 0
+          }
+          return { ...e, monthlySalary: salary, idCardNumber: idCard, bankAccount }
+        })
+      }
+
+      for (const mod of modules) {
+        if (mod === 'employees') continue
+        if (fetchMap[mod]) {
+          data[mod] = await fetchMap[mod]()
+        }
+      }
+
+      const workbook = new ExcelJS.Workbook()
+      for (const mod of modules) {
+        if (!data[mod] || !data[mod].length) continue
+        const ws = workbook.addWorksheet(mod.slice(0, 31))
+        const rows = data[mod]
+        const keys = Object.keys(rows[0]).filter(k => typeof rows[0][k] !== 'object')
+        ws.columns = keys.map(k => ({ header: k, key: k, width: 18 }))
+        ws.getRow(1).font = { bold: true }
+        for (const row of rows) {
+          const flat: any = {}
+          for (const k of keys) flat[k] = typeof row[k] === 'object' ? JSON.stringify(row[k]) : row[k]
+          ws.addRow(flat)
+        }
+      }
+      res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
+      res.setHeader('Content-Disposition', `attachment; filename="export-${new Date().toISOString().slice(0, 10)}.xlsx"`)
+      await workbook.xlsx.write(res)
+      res.end()
+    } else {
+      // JSON 流式导出 + gzip 压缩
+      if (useGzip) {
+        res.setHeader('Content-Encoding', 'gzip')
+        res.setHeader('Content-Type', 'application/json')
+        res.setHeader('Content-Disposition', `attachment; filename="export-${new Date().toISOString().slice(0, 10)}.json.gz"`)
+      } else {
+        res.setHeader('Content-Type', 'application/json')
+        res.setHeader('Content-Disposition', `attachment; filename="export-${new Date().toISOString().slice(0, 10)}.json"`)
+      }
+
+      const gzip = useGzip ? createGzip() : null
+      const output: Writable = gzip || res
+      if (gzip) { gzip.pipe(res) }
+
+      const write = (chunk: string) => {
+        output.write(Buffer.from(chunk))
+      }
+
+      write('{"exportedAt":"' + new Date().toISOString() + '","orgId":"' + orgId + '"')
+
+      for (const mod of modules) {
+        write(',"' + mod + '":[')
+
+        if (mod === 'employees') {
+          // 员工数据分批查询，避免内存溢出
+          let skip = 0
+          let first = true
+          while (true) {
+            const batch = await prisma.employee.findMany({ where: { orgId }, skip, take: batchSize })
+            if (batch.length === 0) break
+            for (const e of batch) {
+              let salary = 0
+              try { salary = Number(decrypt(e.monthlySalary)) || 0 } catch { salary = Number(e.monthlySalary) || 0 }
+              let idCard: string | null = null
+              try { if (e.idCardNumber) idCard = decrypt(e.idCardNumber) } catch { idCard = e.idCardNumber }
+              let bankAccount: string | null = null
+              try { if (e.bankAccount) bankAccount = decrypt(e.bankAccount) } catch { bankAccount = e.bankAccount }
+              if (mask) {
+                idCard = maskIdCard(idCard)
+                bankAccount = maskBankAccount(bankAccount)
+                if (salary) salary = 0
+              }
+              const row = { ...e, monthlySalary: salary, idCardNumber: idCard, bankAccount }
+              write((first ? '' : ',') + JSON.stringify(row))
+              first = false
+            }
+            skip += batchSize
+            if (batch.length < batchSize) break
+          }
+        } else if (fetchMap[mod]) {
+          const rows = await fetchMap[mod]()
+          for (let i = 0; i < rows.length; i++) {
+            write((i === 0 ? '' : ',') + JSON.stringify(rows[i]))
+          }
+        }
+
+        write(']')
+      }
+
+      write('}')
+      if (gzip) gzip.end()
+      else res.end()
+    }
+  } catch (err) {
+    next(err)
+  }
+})
+
+// 导出本月薪税汇总 Excel
+router.get('/payroll', authMiddleware, async (req: AuthRequest, res: Response, next) => {
+  try {
+    const orgId = req.user!.orgId
+    const month = (req.query.month as string) || new Date().toISOString().slice(0, 7)
+
+    const entries = await prisma.batchEntry.findMany({
+      where: { orgId, batch: { month, status: 'ARCHIVED' } },
+      include: { employee: true, batch: true },
+      orderBy: { employee: { name: 'asc' } },
+    })
+
+    const workbook = new ExcelJS.Workbook()
+    const ws = workbook.addWorksheet('薪税汇总')
+
+    ws.columns = [
+      { header: '员工姓名', key: 'name', width: 12 },
+      { header: '部门', key: 'department', width: 15 },
+      { header: '基本工资', key: 'baseSalary', width: 12 },
+      { header: '加班费', key: 'overtimePay', width: 12 },
+      { header: '津贴补贴', key: 'allowance', width: 12 },
+      { header: '奖金', key: 'bonus', width: 12 },
+      { header: '扣款', key: 'deduction', width: 12 },
+      { header: '应发合计', key: 'totalPay', width: 12 },
+      { header: '个人社保', key: 'socialEmp', width: 12 },
+      { header: '个人公积金', key: 'housingEmp', width: 12 },
+      { header: '个人所得税', key: 'tax', width: 12 },
+      { header: '实发工资', key: 'netPay', width: 12 },
+      { header: '企业社保', key: 'socialOrg', width: 12 },
+      { header: '企业公积金', key: 'housingOrg', width: 12 },
+      { header: '企业总成本', key: 'orgCost', width: 12 },
+    ]
+
+    ws.getRow(1).font = { bold: true }
+
+    for (const e of entries) {
+      ws.addRow({
+        name: e.employee.name,
+        department: e.employee.department,
+        baseSalary: e.baseSalary,
+        overtimePay: e.overtimePay,
+        allowance: e.allowance,
+        bonus: e.bonus,
+        deduction: e.deduction,
+        totalPay: e.totalPay,
+        socialEmp: e.socialEmp,
+        housingEmp: e.housingEmp,
+        tax: e.tax,
+        netPay: e.netPay,
+        socialOrg: e.socialOrg,
+        housingOrg: e.housingOrg,
+        orgCost: e.totalPay + e.socialOrg + e.housingOrg,
+      })
+    }
+
+    // 汇总行
+    const totalRow = ws.addRow({
+      name: '合计',
+      baseSalary: { formula: `SUM(C2:C${entries.length + 1})` },
+      overtimePay: { formula: `SUM(D2:D${entries.length + 1})` },
+      allowance: { formula: `SUM(E2:E${entries.length + 1})` },
+      bonus: { formula: `SUM(F2:F${entries.length + 1})` },
+      deduction: { formula: `SUM(G2:G${entries.length + 1})` },
+      totalPay: { formula: `SUM(H2:H${entries.length + 1})` },
+      socialEmp: { formula: `SUM(I2:I${entries.length + 1})` },
+      housingEmp: { formula: `SUM(J2:J${entries.length + 1})` },
+      tax: { formula: `SUM(K2:K${entries.length + 1})` },
+      netPay: { formula: `SUM(L2:L${entries.length + 1})` },
+      socialOrg: { formula: `SUM(M2:M${entries.length + 1})` },
+      housingOrg: { formula: `SUM(N2:N${entries.length + 1})` },
+      orgCost: { formula: `SUM(O2:O${entries.length + 1})` },
+    })
+    totalRow.font = { bold: true }
+
+    res.setHeader('Content-Type', 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet')
+    res.setHeader('Content-Disposition', `attachment; filename="payroll-${month}.xlsx"`)
+    await workbook.xlsx.write(res)
+    res.end()
+  } catch (err) {
+    next(err)
+  }
+})
+
+export default router