init

2025-06-12 13:50:51 +08:00
commit f839e9d6b2
35 changed files with 7328 additions and 0 deletions
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+import express from 'express'
+import cors from 'cors'
+import { Parser } from 'json2csv'
+import { v4 as uuidv4 } from 'uuid'
+
+const app = express()
+const port = 3000
+
+app.use(cors())
+app.use(express.json())
+
+// --- In-memory database for MVP ---
+const users = [
+  { id: 1, username: 'worker', password: 'password', role: 'worker', fullName: 'John Doe' },
+  { id: 2, username: 'worker2', password: 'password', role: 'worker', fullName: 'Jane Smith' },
+  { id: 3, username: 'manager', password: 'password', role: 'manager', fullName: 'Manager Bob' },
+]
+
+let qrCodes = [
+  {
+    id: 'FACTORY-MAIN-ENTRANCE',
+    name: 'Factory Main Entrance',
+    isActive: true,
+    createdAt: new Date().toISOString(),
+  },
+  {
+    id: 'WAREHOUSE-SECTION-A',
+    name: 'Warehouse Section A',
+    isActive: true,
+    createdAt: new Date().toISOString(),
+  },
+  {
+    id: 'ASSEMBLY-LINE-1',
+    name: 'Assembly Line 1',
+    isActive: false,
+    createdAt: new Date().toISOString(),
+  },
+]
+
+let clockEvents = [
+  // Sample data for testing reports
+  {
+    id: 1,
+    userId: 1,
+    eventType: 'clock_in',
+    timestamp: '2025-06-10T09:00:00.000Z',
+    qrCodeUsedId: 'FACTORY-MAIN-ENTRANCE',
+    qrCodeUsedName: 'Factory Main Entrance',
+  },
+  {
+    id: 2,
+    userId: 1,
+    eventType: 'clock_out',
+    timestamp: '2025-06-10T17:30:00.000Z',
+    qrCodeUsedId: 'FACTORY-MAIN-ENTRANCE',
+    qrCodeUsedName: 'Factory Main Entrance',
+  },
+  {
+    id: 3,
+    userId: 2,
+    eventType: 'clock_in',
+    timestamp: '2025-06-10T09:05:00.000Z',
+    qrCodeUsedId: 'WAREHOUSE-SECTION-A',
+    qrCodeUsedName: 'Warehouse Section A',
+  },
+  {
+    id: 4,
+    userId: 2,
+    eventType: 'clock_out',
+    timestamp: '2025-06-10T17:35:00.000Z',
+    qrCodeUsedId: 'WAREHOUSE-SECTION-A',
+    qrCodeUsedName: 'Warehouse Section A',
+  },
+  {
+    id: 5,
+    userId: 1,
+    eventType: 'clock_in',
+    timestamp: '2025-06-11T08:58:00.000Z',
+    qrCodeUsedId: 'FACTORY-MAIN-ENTRANCE',
+    qrCodeUsedName: 'Factory Main Entrance',
+  }, // Missing clock out
+]
+
+let eventId = clockEvents.length + 1
+
+// --- Helper Functions ---
+const calculateHours = (events) => {
+  const userHours = {}
+  const pairedEvents = {}
+
+  // Group events by user
+  events.forEach((event) => {
+    if (!pairedEvents[event.userId]) {
+      pairedEvents[event.userId] = []
+    }
+    pairedEvents[event.userId].push(event)
+  })
+
+  for (const userId in pairedEvents) {
+    const userEvents = pairedEvents[userId].sort(
+      (a, b) => new Date(a.timestamp) - new Date(b.timestamp),
+    )
+    let totalHours = 0
+    let clockInTime = null
+
+    userEvents.forEach((event) => {
+      if (event.eventType === 'clock_in' && !clockInTime) {
+        clockInTime = new Date(event.timestamp)
+      } else if (event.eventType === 'clock_out' && clockInTime) {
+        const clockOutTime = new Date(event.timestamp)
+        const diffMs = clockOutTime - clockInTime
+        totalHours += diffMs / (1000 * 60 * 60)
+        clockInTime = null // Reset for next pair
+      }
+    })
+
+    const worker = users.find((u) => u.id === parseInt(userId))
+    userHours[userId] = {
+      userId,
+      fullName: worker ? worker.fullName : `User ${userId}`,
+      totalHours: parseFloat(totalHours.toFixed(2)),
+      hasIncomplete: clockInTime !== null, // Mark if there's a pending clock-in
+    }
+  }
+  return Object.values(userHours)
+}
+
+// --- API Endpoints ---
+
+// Auth Endpoint
+app.post('/api/auth/login', (req, res) => {
+  const { username, password } = req.body
+  const user = users.find((u) => u.username === username && u.password === password)
+  if (user) {
+    res.json({ message: 'Login successful', role: user.role, userId: user.id })
+  } else {
+    res.status(401).json({ message: 'Invalid credentials' })
+  }
+})
+
+// Worker Clock In/Out Endpoint
+app.post('/api/clock', (req, res) => {
+  const { userId, eventType, qrCodeValue, latitude, longitude } = req.body
+  const validQrCode = qrCodes.find((qr) => qr.id === qrCodeValue && qr.isActive)
+  if (!validQrCode) return res.status(400).json({ message: 'Invalid or inactive QR Code.' })
+
+  const lastEvent = clockEvents.filter((e) => e.userId === userId).pop()
+  if (lastEvent && lastEvent.eventType === eventType)
+    return res
+      .status(400)
+      .json({ message: `You are already clocked ${eventType === 'clock_in' ? 'in' : 'out'}.` })
+
+  const newEvent = {
+    id: eventId++,
+    userId,
+    eventType,
+    timestamp: new Date().toISOString(),
+    qrCodeUsedId: qrCodeValue,
+    qrCodeUsedName: validQrCode.name, // Add human-readable name
+    latitude,
+    longitude,
+  }
+  clockEvents.push(newEvent)
+  res.status(201).json(newEvent)
+})
+
+// Worker Status Endpoint
+app.get('/api/worker/status/:userId', (req, res) => {
+  const userId = parseInt(req.params.userId, 10)
+  const lastEvent = clockEvents.filter((event) => event.userId === userId).pop()
+  if (lastEvent) {
+    res.json(lastEvent)
+  } else {
+    res.json({ eventType: 'clock_out' })
+  }
+})
+
+// Worker History Endpoint
+app.get('/api/worker/clock-history/:userId', (req, res) => {
+  const userId = parseInt(req.params.userId, 10)
+  const userEvents = clockEvents.filter((event) => event.userId === userId)
+  res.json(userEvents)
+})
+
+// --- Manager Endpoints ---
+
+// Reporting Endpoint
+app.get('/api/managers/hours-report', (req, res) => {
+  const { startDate, endDate, format } = req.query
+
+  let filteredEvents = clockEvents
+  if (startDate && endDate) {
+    const endOfDay = new Date(endDate)
+    endOfDay.setHours(23, 59, 59, 999) // Include the whole end day
+    filteredEvents = clockEvents.filter((event) => {
+      const eventDate = new Date(event.timestamp)
+      return eventDate >= new Date(startDate) && eventDate <= endOfDay
+    })
+  }
+
+  const reportData = calculateHours(filteredEvents)
+
+  if (format === 'csv') {
+    const json2csvParser = new Parser({
+      fields: ['userId', 'fullName', 'totalHours', 'hasIncomplete'],
+    })
+    const csv = json2csvParser.parse(reportData)
+    res.header('Content-Type', 'text/csv')
+    res.attachment(`hours-report-${new Date().toISOString().split('T')[0]}.csv`)
+    return res.send(csv)
+  }
+
+  res.json(reportData)
+})
+
+// GET QR Codes Endpoint
+app.get('/api/managers/qr-codes', (req, res) => {
+  res.json(qrCodes.sort((a, b) => new Date(b.createdAt) - new Date(a.createdAt)))
+})
+
+// POST (Add new) QR Code Endpoint
+app.post('/api/managers/qr-codes', (req, res) => {
+  const { name } = req.body
+  if (!name) {
+    return res.status(400).json({ message: 'QR Code name is required.' })
+  }
+  const newQrCode = {
+    id: uuidv4(),
+    name,
+    isActive: true,
+    createdAt: new Date().toISOString(),
+  }
+  qrCodes.push(newQrCode)
+  res.status(201).json(newQrCode)
+})
+
+// PUT (Update) QR Code Endpoint
+app.put('/api/managers/qr-codes/:id', (req, res) => {
+  const { id } = req.params
+  const { isActive } = req.body
+  const qrCodeIndex = qrCodes.findIndex((qr) => qr.id === id)
+
+  if (qrCodeIndex === -1) {
+    return res.status(404).json({ message: 'QR Code not found.' })
+  }
+  if (typeof isActive !== 'boolean') {
+    return res.status(400).json({ message: 'isActive must be a boolean.' })
+  }
+
+  qrCodes[qrCodeIndex].isActive = isActive
+  res.json(qrCodes[qrCodeIndex])
+})
+
+// DELETE QR Code Endpoint
+app.delete('/api/managers/qr-codes/:id', (req, res) => {
+  const { id } = req.params
+  const initialLength = qrCodes.length
+  qrCodes = qrCodes.filter((qr) => qr.id !== id)
+
+  if (qrCodes.length === initialLength) {
+    return res.status(404).json({ message: 'QR Code not found.' })
+  }
+
+  res.status(204).send()
+})
+
+// --- Server Start ---
+app.listen(port, () => {
+  console.log(`Server is running on http://localhost:${port}`)
+})