feat: add signature drawing functionality to contract pages

This commit is contained in:
seaznCode 2026-01-14 16:58:20 +01:00
parent a88efc3e9f
commit e32a9f69cd
2 changed files with 264 additions and 114 deletions

View File

@ -1,25 +1,26 @@
'use client'
import { useState, useEffect } from 'react'
import { useState, useEffect, useRef } from 'react'
import { useRouter } from 'next/navigation'
import PageLayout from '../../../components/PageLayout'
import useAuthStore from '../../../store/authStore'
import { useUserStatus } from '../../../hooks/useUserStatus'
import { API_BASE_URL } from '../../../utils/api'
import { useToast } from '../../../components/toast/toastComponent' // NEW
import { useToast } from '../../../components/toast/toastComponent'
export default function CompanySignContractPage() {
const router = useRouter()
const { accessToken } = useAuthStore()
const { refreshStatus } = useUserStatus()
const { showToast } = useToast() // NEW
const { showToast } = useToast()
const [companyName, setCompanyName] = useState('')
const [repName, setRepName] = useState('')
const [repTitle, setRepTitle] = useState('')
const [location, setLocation] = useState('')
const [date, setDate] = useState('')
const [note, setNote] = useState('')
const [date, setDate] = useState('')
const [signatureDataUrl, setSignatureDataUrl] = useState('')
const [agreeContract, setAgreeContract] = useState(false)
const [agreeData, setAgreeData] = useState(false)
const [confirmSignature, setConfirmSignature] = useState(false)
@ -34,6 +35,88 @@ export default function CompanySignContractPage() {
setDate(new Date().toISOString().slice(0, 10))
}, [])
const canvasRef = useRef<HTMLCanvasElement | null>(null)
const isDrawing = useRef(false)
const scaleRef = useRef(1)
const getPos = (e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) => {
const canvas = canvasRef.current
if (!canvas) return { x: 0, y: 0 }
const rect = canvas.getBoundingClientRect()
const clientX = 'touches' in e ? e.touches[0].clientX : e.clientX
const clientY = 'touches' in e ? e.touches[0].clientY : e.clientY
const x = (clientX - rect.left) * scaleRef.current
const y = (clientY - rect.top) * scaleRef.current
return { x, y }
}
useEffect(() => {
const canvas = canvasRef.current
if (!canvas) return
const resize = () => {
const rect = canvas.getBoundingClientRect()
const dpr = window.devicePixelRatio || 1
canvas.width = rect.width * dpr
canvas.height = rect.height * dpr
const ctx = canvas.getContext('2d')
if (ctx) {
ctx.setTransform(dpr, 0, 0, dpr, 0, 0)
ctx.lineWidth = 2
ctx.lineCap = 'round'
ctx.strokeStyle = '#0f172a'
}
scaleRef.current = dpr
}
resize()
window.addEventListener('resize', resize)
return () => window.removeEventListener('resize', resize)
}, [])
const startDrawing = (e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) => {
e.preventDefault()
const canvas = canvasRef.current
if (!canvas) return
const ctx = canvas.getContext('2d')
if (!ctx) return
ctx.lineWidth = 2
ctx.lineCap = 'round'
ctx.strokeStyle = '#0f172a'
const { x, y } = getPos(e)
ctx.beginPath()
ctx.moveTo(x, y)
isDrawing.current = true
}
const draw = (e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) => {
e.preventDefault()
if (!isDrawing.current) return
const canvas = canvasRef.current
if (!canvas) return
const ctx = canvas.getContext('2d')
if (!ctx) return
const { x, y } = getPos(e)
ctx.lineTo(x, y)
ctx.stroke()
}
const endDrawing = () => {
if (!isDrawing.current) return
isDrawing.current = false
const canvas = canvasRef.current
if (!canvas) return
const dataUrl = canvas.toDataURL('image/png')
setSignatureDataUrl(dataUrl)
}
const clearSignature = () => {
const canvas = canvasRef.current
if (!canvas) return
const ctx = canvas.getContext('2d')
if (!ctx) return
ctx.clearRect(0, 0, canvas.width, canvas.height)
setSignatureDataUrl('')
}
// Load latest contract preview for company user
useEffect(() => {
const loadPreview = async () => {
@ -41,7 +124,7 @@ export default function CompanySignContractPage() {
setPreviewLoading(true)
setPreviewError(null)
try {
const res = await fetch(`${API_BASE_URL}/api/contracts/preview/latest`, {
const res = await fetch(`${API_BASE_URL}/api/contracts/preview/latest?contract_type=company`, {
method: 'GET',
headers: { Authorization: `Bearer ${accessToken}` },
credentials: 'include'
@ -64,15 +147,16 @@ export default function CompanySignContractPage() {
}, [accessToken])
const valid = () => {
const companyValid = companyName.trim().length >= 3 // Min 3 characters for company name
const repNameValid = repName.trim().length >= 3 // Min 3 characters for representative name
const repTitleValid = repTitle.trim().length >= 2 // Min 2 characters for title
const locationValid = location.trim().length >= 2 // Min 2 characters for location
const companyValid = companyName.trim().length >= 3
const repNameValid = repName.trim().length >= 3
const repTitleValid = repTitle.trim().length >= 2
const locationValid = location.trim().length >= 2
const contractChecked = agreeContract
const dataChecked = agreeData
const signatureChecked = confirmSignature
const signatureDrawn = !!signatureDataUrl
return companyValid && repNameValid && repTitleValid && locationValid && contractChecked && dataChecked && signatureChecked
return companyValid && repNameValid && repTitleValid && locationValid && contractChecked && dataChecked && signatureChecked && signatureDrawn
}
const handleSubmit = async (e: React.FormEvent) => {
@ -87,6 +171,7 @@ export default function CompanySignContractPage() {
if (!agreeContract) issues.push('Contract read and understood')
if (!agreeData) issues.push('Privacy policy accepted')
if (!confirmSignature) issues.push('Electronic signature confirmed')
if (!signatureDataUrl) issues.push('Signature captured on pad')
const msg = `Please complete: ${issues.join(', ')}`
setError(msg)
@ -117,9 +202,9 @@ export default function CompanySignContractPage() {
companyName: companyName.trim(),
representativeName: repName.trim(),
representativeTitle: repTitle.trim(),
location: location.trim(),
date,
note: note.trim() || null,
location: location.trim(),
note: note.trim(),
contractType: 'company',
confirmations: {
agreeContract,
@ -131,12 +216,11 @@ export default function CompanySignContractPage() {
// Create FormData for the existing backend endpoint
const formData = new FormData()
formData.append('contractData', JSON.stringify(contractData))
// Create a dummy PDF file since the backend expects one (electronic signature)
const dummyPdfContent = '%PDF-1.4\n1 0 obj\n<<\n/Type /Catalog\n/Pages 2 0 R\n>>\nendobj\n2 0 obj\n<<\n/Type /Pages\n/Kids [3 0 R]\n/Count 1\n>>\nendobj\n3 0 obj\n<<\n/Type /Page\n/Parent 2 0 R\n/MediaBox [0 0 612 792]\n/Contents 4 0 R\n>>\nendobj\n4 0 obj\n<<\n/Length 44\n>>\nstream\nBT\n/F1 12 Tf\n100 700 Td\n(Electronic Signature) Tj\nET\nendstream\nendobj\nxref\n0 5\n0000000000 65535 f \n0000000010 00000 n \n0000000079 00000 n \n0000000136 00000 n \n0000000225 00000 n \ntrailer\n<<\n/Size 5\n/Root 1 0 R\n>>\nstartxref\n319\n%%EOF'
const dummyFile = new Blob([dummyPdfContent], { type: 'application/pdf' })
formData.append('contract', dummyFile, 'electronic_signature.pdf')
if (signatureDataUrl) {
formData.append('signatureImage', signatureDataUrl)
}
const response = await fetch(`${process.env.NEXT_PUBLIC_API_BASE_URL}/api/upload/contract/company`, {
const response = await fetch(`${API_BASE_URL}/api/upload/contract/company`, {
method: 'POST',
headers: {
'Authorization': `Bearer ${accessToken}`
@ -190,13 +274,10 @@ export default function CompanySignContractPage() {
return (
<PageLayout>
<div className="relative min-h-screen overflow-hidden bg-slate-50">
{/* Animated background (same as dashboard) */}
<div className="pointer-events-none absolute inset-0 z-0">
{/* Soft gradient blobs */}
<div className="absolute -top-32 -left-20 h-80 w-80 rounded-full bg-blue-400/25 blur-3xl animate-pulse" />
<div className="absolute top-1/4 -right-24 h-96 w-96 rounded-full bg-emerald-400/20 blur-3xl animate-pulse" />
<div className="absolute bottom-[-6rem] left-1/4 h-96 w-96 rounded-full bg-indigo-400/20 blur-3xl animate-pulse" />
{/* Subtle radial highlight */}
<div className="absolute inset-0 bg-[radial-gradient(circle_at_top,_rgba(59,130,246,0.14),transparent_60%)]" />
</div>
@ -213,7 +294,6 @@ export default function CompanySignContractPage() {
Please review the contract details and sign on behalf of the company.
</p>
{/* Meta + Preview */}
<section className="grid gap-8 lg:grid-cols-2 mb-10">
<div className="space-y-4">
<div className="rounded-lg border border-gray-200 p-5 bg-gray-50">
@ -257,7 +337,7 @@ export default function CompanySignContractPage() {
setPreviewLoading(true)
setPreviewError(null)
try {
const res = await fetch(`${API_BASE_URL}/api/contracts/preview/latest`, {
const res = await fetch(`${API_BASE_URL}/api/contracts/preview/latest?contract_type=company`, {
method: 'GET',
headers: { Authorization: `Bearer ${accessToken}` },
credentials: 'include'
@ -296,14 +376,11 @@ export default function CompanySignContractPage() {
<hr className="my-10 border-gray-200" />
{/* Company Signature Fields */}
<section>
<h2 className="text-sm font-semibold text-[#0F2460] mb-5">Company & Representative</h2>
<div className="grid gap-6 sm:grid-cols-2 lg:grid-cols-3">
<div className="sm:col-span-2 lg:col-span-2">
<label className="block text-sm font-medium text-gray-700 mb-1">
Company Name *
</label>
<label className="block text-sm font-medium text-gray-700 mb-1">Company Name *</label>
<input
value={companyName}
onChange={e => { setCompanyName(e.target.value); setError('') }}
@ -313,9 +390,7 @@ export default function CompanySignContractPage() {
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Date *
</label>
<label className="block text-sm font-medium text-gray-700 mb-1">Date *</label>
<input
type="date"
value={date}
@ -325,9 +400,7 @@ export default function CompanySignContractPage() {
/>
</div>
<div>
<label className="block text_sm font-medium text-gray-700 mb-1">
Location *
</label>
<label className="block text-sm font-medium text-gray-700 mb-1">Location *</label>
<input
value={location}
onChange={e => { setLocation(e.target.value); setError('') }}
@ -337,9 +410,7 @@ export default function CompanySignContractPage() {
/>
</div>
<div className="sm:col-span-2 lg:col-span-1">
<label className="block text_sm font-medium text-gray-700 mb-1">
Representative Name *
</label>
<label className="block text-sm font-medium text-gray-700 mb-1">Representative Name *</label>
<input
value={repName}
onChange={e => { setRepName(e.target.value); setError('') }}
@ -349,9 +420,7 @@ export default function CompanySignContractPage() {
/>
</div>
<div className="sm:col-span-2 lg:col-span-2">
<label className="block text-sm font-medium text-gray-700 mb-1">
Representative Position / Title *
</label>
<label className="block text-sm font-medium text-gray-700 mb-1">Representative Position / Title *</label>
<input
value={repTitle}
onChange={e => { setRepTitle(e.target.value); setError('') }}
@ -361,9 +430,7 @@ export default function CompanySignContractPage() {
/>
</div>
<div className="sm:col-span-2 lg:col-span-3">
<label className="block text-sm font-medium text-gray-700 mb-1">
Note (optional)
</label>
<label className="block text-sm font-medium text-gray-700 mb-1">Note (optional)</label>
<input
value={note}
onChange={e => setNote(e.target.value)}
@ -372,11 +439,40 @@ export default function CompanySignContractPage() {
/>
</div>
</div>
<div className="mt-8">
<label className="block text-sm font-medium text-gray-700 mb-2">Draw Signature *</label>
<div className="rounded-lg border border-gray-200 bg-white p-4">
<canvas
ref={canvasRef}
width={800}
height={220}
className="w-full h-48 rounded-md border border-gray-200 bg-white shadow-inner touch-none"
onMouseDown={startDrawing}
onMouseMove={draw}
onMouseUp={endDrawing}
onMouseLeave={endDrawing}
onTouchStart={startDrawing}
onTouchMove={draw}
onTouchEnd={endDrawing}
/>
<div className="mt-3 flex items-center gap-3 text-xs text-gray-600">
<button
type="button"
onClick={clearSignature}
className="inline-flex items-center rounded-md border border-gray-300 bg-white px-3 py-1.5 text-xs font-medium text-gray-700 hover:bg-gray-50"
>
Clear
</button>
<span className="text-gray-500">Use mouse or touch to sign. A signature is required.</span>
{signatureDataUrl && <span className="text-green-600 font-medium">Captured</span>}
</div>
</div>
</div>
</section>
<hr className="my-10 border-gray-200" />
{/* Confirmations */}
<section className="space-y-5">
<h2 className="text-sm font-semibold text-[#0F2460]">Confirmations</h2>
<label className="flex items-start gap-3 text-sm text-gray-700">

View File

@ -1,6 +1,6 @@
'use client'
import { useState, useEffect } from 'react'
import { useState, useEffect, useRef } from 'react'
import { useRouter } from 'next/navigation'
import PageLayout from '../../../components/PageLayout'
import useAuthStore from '../../../store/authStore'
@ -14,10 +14,8 @@ export default function PersonalSignContractPage() {
const { refreshStatus } = useUserStatus()
const { showToast } = useToast()
const [fullName, setFullName] = useState('')
const [location, setLocation] = useState('')
const [date, setDate] = useState('')
const [note, setNote] = useState('')
const [signatureDataUrl, setSignatureDataUrl] = useState('')
const [agreeContract, setAgreeContract] = useState(false)
const [agreeData, setAgreeData] = useState(false)
const [confirmSignature, setConfirmSignature] = useState(false)
@ -38,6 +36,89 @@ export default function PersonalSignContractPage() {
setDate(new Date().toISOString().slice(0, 10))
}, [])
const canvasRef = useRef<HTMLCanvasElement | null>(null)
const isDrawing = useRef(false)
const scaleRef = useRef(1)
const getPos = (e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) => {
const canvas = canvasRef.current
if (!canvas) return { x: 0, y: 0 }
const rect = canvas.getBoundingClientRect()
const clientX = 'touches' in e ? e.touches[0].clientX : e.clientX
const clientY = 'touches' in e ? e.touches[0].clientY : e.clientY
const x = (clientX - rect.left) * scaleRef.current
const y = (clientY - rect.top) * scaleRef.current
return { x, y }
}
// Size canvas to devicePixelRatio to avoid offset between cursor and strokes
useEffect(() => {
const canvas = canvasRef.current
if (!canvas) return
const resize = () => {
const rect = canvas.getBoundingClientRect()
const dpr = window.devicePixelRatio || 1
canvas.width = rect.width * dpr
canvas.height = rect.height * dpr
const ctx = canvas.getContext('2d')
if (ctx) {
ctx.setTransform(dpr, 0, 0, dpr, 0, 0)
ctx.lineWidth = 2
ctx.lineCap = 'round'
ctx.strokeStyle = '#0f172a'
}
scaleRef.current = dpr
}
resize()
window.addEventListener('resize', resize)
return () => window.removeEventListener('resize', resize)
}, [])
const startDrawing = (e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) => {
e.preventDefault()
const canvas = canvasRef.current
if (!canvas) return
const ctx = canvas.getContext('2d')
if (!ctx) return
ctx.lineWidth = 2
ctx.lineCap = 'round'
ctx.strokeStyle = '#0f172a'
const { x, y } = getPos(e)
ctx.beginPath()
ctx.moveTo(x, y)
isDrawing.current = true
}
const draw = (e: React.MouseEvent<HTMLCanvasElement> | React.TouchEvent<HTMLCanvasElement>) => {
e.preventDefault()
if (!isDrawing.current) return
const canvas = canvasRef.current
if (!canvas) return
const ctx = canvas.getContext('2d')
if (!ctx) return
const { x, y } = getPos(e)
ctx.lineTo(x, y)
ctx.stroke()
}
const endDrawing = () => {
if (!isDrawing.current) return
isDrawing.current = false
const canvas = canvasRef.current
if (!canvas) return
const dataUrl = canvas.toDataURL('image/png')
setSignatureDataUrl(dataUrl)
}
const clearSignature = () => {
const canvas = canvasRef.current
if (!canvas) return
const ctx = canvas.getContext('2d')
if (!ctx) return
ctx.clearRect(0, 0, canvas.width, canvas.height)
setSignatureDataUrl('')
}
const loadPreview = async (contractType: 'contract' | 'gdpr') => {
if (!accessToken) return
setPreviewState((prev) => ({
@ -80,13 +161,12 @@ export default function PersonalSignContractPage() {
}, [accessToken])
const valid = () => {
const nameValid = fullName.trim().length >= 3 // Min 3 characters for name
const locationValid = location.trim().length >= 2 // Min 2 characters for location
const contractChecked = agreeContract
const dataChecked = agreeData
const signatureChecked = confirmSignature
const signatureDrawn = !!signatureDataUrl
return nameValid && locationValid && contractChecked && dataChecked && signatureChecked
return contractChecked && dataChecked && signatureChecked && signatureDrawn
}
const handleSubmit = async (e: React.FormEvent) => {
@ -94,11 +174,10 @@ export default function PersonalSignContractPage() {
if (!valid()) {
// Detailed error message to help debug
const issues: string[] = []
if (fullName.trim().length < 3) issues.push('Full name (min 3 characters)')
if (location.trim().length < 2) issues.push('Location (min 2 characters)')
if (!agreeContract) issues.push('Contract read and understood')
if (!agreeData) issues.push('Privacy policy accepted')
if (!confirmSignature) issues.push('Electronic signature confirmed')
if (!signatureDataUrl) issues.push('Signature captured on pad')
const msg = `Please complete: ${issues.join(', ')}`
setError(msg)
@ -126,21 +205,16 @@ export default function PersonalSignContractPage() {
try {
const contractData = {
fullName: fullName.trim(),
location: location.trim(),
date,
note: note.trim() || null,
contractType: 'personal',
confirmations: {
agreeContract,
agreeData,
confirmSignature
}
contractType: 'personal'
}
// Create FormData for the backend endpoint (no dummy PDF needed; server generates from templates)
const formData = new FormData()
formData.append('contractData', JSON.stringify(contractData))
if (signatureDataUrl) {
formData.append('signatureImage', signatureDataUrl)
}
const response = await fetch(`${process.env.NEXT_PUBLIC_API_BASE_URL}/api/upload/contract/personal`, {
method: 'POST',
@ -288,59 +362,39 @@ export default function PersonalSignContractPage() {
<hr className="my-10 border-gray-200" />
{/* Signature Fields */}
{/* Signature Pad */}
<section>
<h2 className="text-sm font-semibold text-[#0F2460] mb-5">Signature Details</h2>
<div className="grid gap-6 sm:grid-cols-2 lg:grid-cols-3">
<div className="sm:col-span-2 lg:col-span-2">
<label className="block text-sm font-medium text-gray-700 mb-1">
Full Name (Signature) *
<h2 className="text-sm font-semibold text-[#0F2460] mb-5">Signature</h2>
<div className="">
<label className="block text-sm font-medium text-gray-700 mb-2">
Draw Signature *
</label>
<input
value={fullName}
onChange={e => { setFullName(e.target.value); setError('') }}
placeholder="Vor- und Nachname"
className="w-full rounded-lg border border-gray-300 px-4 py-2.5 text-sm focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
required
<div className="rounded-lg border border-gray-200 bg-white p-4">
<canvas
ref={canvasRef}
width={800}
height={220}
className="w-full h-48 rounded-md border border-gray-200 bg-white shadow-inner touch-none"
onMouseDown={startDrawing}
onMouseMove={draw}
onMouseUp={endDrawing}
onMouseLeave={endDrawing}
onTouchStart={startDrawing}
onTouchMove={draw}
onTouchEnd={endDrawing}
/>
<p className="mt-1 text-xs text-gray-500">
Must match your official ID.
</p>
<div className="mt-3 flex items-center gap-3 text-xs text-gray-600">
<button
type="button"
onClick={clearSignature}
className="inline-flex items-center rounded-md border border-gray-300 bg-white px-3 py-1.5 text-xs font-medium text-gray-700 hover:bg-gray-50"
>
Clear
</button>
<span className="text-gray-500">Use mouse or touch to sign. A signature is required.</span>
{signatureDataUrl && <span className="text-green-600 font-medium">Captured</span>}
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Date *
</label>
<input
type="date"
value={date}
onChange={e => setDate(e.target.value)}
className="w-full rounded-lg border border-gray-300 px-4 py-2.5 text-sm focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
required
/>
</div>
<div>
<label className="block text-sm font-medium text-gray-700 mb-1">
Location *
</label>
<input
value={location}
onChange={e => { setLocation(e.target.value); setError('') }}
placeholder="z.B. Berlin"
className="w-full rounded-lg border border-gray-300 px-4 py-2.5 text-sm focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
required
/>
</div>
<div className="sm:col-span-2 lg:col-span-3">
<label className="block text-sm font-medium text-gray-700 mb-1">
Note (optional)
</label>
<input
value={note}
onChange={e => setNote(e.target.value)}
placeholder="Optionale zusätzliche Bemerkung"
className="w-full rounded-lg border border-gray-300 px-4 py-2.5 text-sm focus:ring-2 focus:ring-indigo-500 focus:border-transparent"
/>
</div>
</div>
</section>