mirror of
https://github.com/rzmk/learnhouse.git
synced 2025-12-19 04:19:25 +00:00
feat(wip): implement certificate generation and download functionality in CourseEndView component
This commit is contained in:
swve
parent
e39c9c37ba
commit
a913c0a366
6 changed files with 994 additions and 10 deletions
426
apps/web/components/Pages/Certificate/CertificatePage.tsx
Normal file
426
apps/web/components/Pages/Certificate/CertificatePage.tsx
Normal file
|
|
@ -0,0 +1,426 @@
|
|||
'use client';
|
||||
|
||||
import React, { useEffect, useState, useRef } from 'react';
|
||||
import { useLHSession } from '@components/Contexts/LHSessionContext';
|
||||
import { getUserCertificates } from '@services/courses/certifications';
|
||||
import CertificatePreview from '@components/Dashboard/Pages/Course/EditCourseCertification/CertificatePreview';
|
||||
import { ArrowLeft, Download } from 'lucide-react';
|
||||
import Link from 'next/link';
|
||||
import { getUriWithOrg } from '@services/config/config';
|
||||
import html2canvas from 'html2canvas';
|
||||
import jsPDF from 'jspdf';
|
||||
import QRCode from 'qrcode';
|
||||
|
||||
interface CertificatePageProps {
|
||||
orgslug: string;
|
||||
courseid: string;
|
||||
qrCodeLink: string;
|
||||
}
|
||||
|
||||
const CertificatePage: React.FC<CertificatePageProps> = ({ orgslug, courseid, qrCodeLink }) => {
|
||||
const session = useLHSession() as any;
|
||||
const [userCertificate, setUserCertificate] = useState<any>(null);
|
||||
const [isLoading, setIsLoading] = useState(true);
|
||||
const [error, setError] = useState<string | null>(null);
|
||||
|
||||
// Fetch user certificate
|
||||
useEffect(() => {
|
||||
const fetchCertificate = async () => {
|
||||
if (!session?.data?.tokens?.access_token) {
|
||||
setError('Authentication required to view certificate');
|
||||
setIsLoading(false);
|
||||
return;
|
||||
}
|
||||
|
||||
try {
|
||||
const cleanCourseId = courseid.replace('course_', '');
|
||||
const result = await getUserCertificates(
|
||||
`course_${cleanCourseId}`,
|
||||
session.data.tokens.access_token
|
||||
);
|
||||
|
||||
if (result.success && result.data && result.data.length > 0) {
|
||||
setUserCertificate(result.data[0]);
|
||||
} else {
|
||||
setError('No certificate found for this course');
|
||||
}
|
||||
} catch (error) {
|
||||
console.error('Error fetching certificate:', error);
|
||||
setError('Failed to load certificate. Please try again later.');
|
||||
} finally {
|
||||
setIsLoading(false);
|
||||
}
|
||||
};
|
||||
|
||||
fetchCertificate();
|
||||
}, [courseid, session?.data?.tokens?.access_token]);
|
||||
|
||||
|
||||
|
||||
// Generate PDF using canvas
|
||||
const downloadCertificate = async () => {
|
||||
if (!userCertificate) return;
|
||||
|
||||
try {
|
||||
// Create a temporary div for the certificate
|
||||
const certificateDiv = document.createElement('div');
|
||||
certificateDiv.style.position = 'absolute';
|
||||
certificateDiv.style.left = '-9999px';
|
||||
certificateDiv.style.top = '0';
|
||||
certificateDiv.style.width = '800px';
|
||||
certificateDiv.style.height = '600px';
|
||||
certificateDiv.style.background = 'white';
|
||||
certificateDiv.style.padding = '40px';
|
||||
certificateDiv.style.fontFamily = 'Arial, sans-serif';
|
||||
certificateDiv.style.textAlign = 'center';
|
||||
certificateDiv.style.display = 'flex';
|
||||
certificateDiv.style.flexDirection = 'column';
|
||||
certificateDiv.style.justifyContent = 'center';
|
||||
certificateDiv.style.alignItems = 'center';
|
||||
certificateDiv.style.position = 'relative';
|
||||
certificateDiv.style.overflow = 'hidden';
|
||||
|
||||
// Get theme colors based on pattern
|
||||
const getPatternTheme = (pattern: string) => {
|
||||
switch (pattern) {
|
||||
case 'royal':
|
||||
return { primary: '#b45309', secondary: '#d97706', icon: '#d97706' };
|
||||
case 'tech':
|
||||
return { primary: '#0e7490', secondary: '#0891b2', icon: '#0891b2' };
|
||||
case 'nature':
|
||||
return { primary: '#15803d', secondary: '#16a34a', icon: '#16a34a' };
|
||||
case 'geometric':
|
||||
return { primary: '#7c3aed', secondary: '#9333ea', icon: '#9333ea' };
|
||||
case 'vintage':
|
||||
return { primary: '#c2410c', secondary: '#ea580c', icon: '#ea580c' };
|
||||
case 'waves':
|
||||
return { primary: '#1d4ed8', secondary: '#2563eb', icon: '#2563eb' };
|
||||
case 'minimal':
|
||||
return { primary: '#374151', secondary: '#4b5563', icon: '#4b5563' };
|
||||
case 'professional':
|
||||
return { primary: '#334155', secondary: '#475569', icon: '#475569' };
|
||||
case 'academic':
|
||||
return { primary: '#3730a3', secondary: '#4338ca', icon: '#4338ca' };
|
||||
case 'modern':
|
||||
return { primary: '#1d4ed8', secondary: '#2563eb', icon: '#2563eb' };
|
||||
default:
|
||||
return { primary: '#374151', secondary: '#4b5563', icon: '#4b5563' };
|
||||
}
|
||||
};
|
||||
|
||||
const theme = getPatternTheme(userCertificate.certification.config.certificate_pattern);
|
||||
const certificateId = userCertificate.certificate_user.user_certification_uuid;
|
||||
const qrCodeData = qrCodeLink ;
|
||||
|
||||
// Generate QR code
|
||||
const qrCodeDataUrl = await QRCode.toDataURL(qrCodeData, {
|
||||
width: 120,
|
||||
margin: 2,
|
||||
color: {
|
||||
dark: '#000000',
|
||||
light: '#FFFFFF'
|
||||
},
|
||||
errorCorrectionLevel: 'M',
|
||||
type: 'image/png'
|
||||
});
|
||||
|
||||
// Create certificate content
|
||||
certificateDiv.innerHTML = `
|
||||
<div style="
|
||||
position: absolute;
|
||||
top: 20px;
|
||||
left: 20px;
|
||||
font-size: 12px;
|
||||
color: ${theme.secondary};
|
||||
font-weight: 500;
|
||||
">ID: ${certificateId}</div>
|
||||
|
||||
<div style="
|
||||
position: absolute;
|
||||
top: 20px;
|
||||
right: 20px;
|
||||
width: 80px;
|
||||
height: 80px;
|
||||
border: 2px solid ${theme.secondary};
|
||||
border-radius: 8px;
|
||||
background: white;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
">
|
||||
<img src="${qrCodeDataUrl}" alt="QR Code" style="width: 100%; height: 100%; object-fit: contain;" />
|
||||
</div>
|
||||
|
||||
<div style="
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
gap: 8px;
|
||||
margin-bottom: 30px;
|
||||
font-size: 14px;
|
||||
color: ${theme.secondary};
|
||||
font-weight: 500;
|
||||
text-transform: uppercase;
|
||||
letter-spacing: 1px;
|
||||
">
|
||||
<div style="width: 24px; height: 1px; background: linear-gradient(90deg, transparent, ${theme.secondary}, transparent);"></div>
|
||||
Certificate
|
||||
<div style="width: 24px; height: 1px; background: linear-gradient(90deg, transparent, ${theme.secondary}, transparent);"></div>
|
||||
</div>
|
||||
|
||||
<div style="
|
||||
width: 80px;
|
||||
height: 80px;
|
||||
background: linear-gradient(135deg, ${theme.icon}20 0%, ${theme.icon}40 100%);
|
||||
border-radius: 50%;
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
margin: 0 auto 30px;
|
||||
font-size: 40px;
|
||||
line-height: 1;
|
||||
">🏆</div>
|
||||
|
||||
<div style="
|
||||
font-size: 32px;
|
||||
font-weight: bold;
|
||||
color: ${theme.primary};
|
||||
margin-bottom: 20px;
|
||||
line-height: 1.2;
|
||||
max-width: 600px;
|
||||
">${userCertificate.certification.config.certification_name}</div>
|
||||
|
||||
<div style="
|
||||
font-size: 18px;
|
||||
color: #6b7280;
|
||||
margin-bottom: 30px;
|
||||
line-height: 1.5;
|
||||
max-width: 500px;
|
||||
">${userCertificate.certification.config.certification_description || 'This is to certify that the course has been successfully completed.'}</div>
|
||||
|
||||
<div style="
|
||||
display: flex;
|
||||
align-items: center;
|
||||
justify-content: center;
|
||||
gap: 4px;
|
||||
margin: 20px 0;
|
||||
">
|
||||
<div style="width: 8px; height: 1px; background: ${theme.secondary}; opacity: 0.5;"></div>
|
||||
<div style="width: 4px; height: 4px; background: ${theme.primary}; border-radius: 50%; opacity: 0.6;"></div>
|
||||
<div style="width: 8px; height: 1px; background: ${theme.secondary}; opacity: 0.5;"></div>
|
||||
</div>
|
||||
|
||||
<div style="
|
||||
display: inline-flex;
|
||||
align-items: center;
|
||||
gap: 8px;
|
||||
font-size: 16px;
|
||||
color: ${theme.primary};
|
||||
background: ${theme.icon}10;
|
||||
padding: 12px 24px;
|
||||
border-radius: 20px;
|
||||
border: 1px solid ${theme.icon}20;
|
||||
font-weight: 500;
|
||||
margin-bottom: 30px;
|
||||
white-space: nowrap;
|
||||
">
|
||||
<span style="font-weight: bold; font-size: 18px;">✓</span>
|
||||
<span>${userCertificate.certification.config.certification_type === 'completion' ? 'Course Completion' :
|
||||
userCertificate.certification.config.certification_type === 'achievement' ? 'Achievement Based' :
|
||||
userCertificate.certification.config.certification_type === 'assessment' ? 'Assessment Based' :
|
||||
userCertificate.certification.config.certification_type === 'participation' ? 'Participation' :
|
||||
userCertificate.certification.config.certification_type === 'mastery' ? 'Skill Mastery' :
|
||||
userCertificate.certification.config.certification_type === 'professional' ? 'Professional Development' :
|
||||
userCertificate.certification.config.certification_type === 'continuing' ? 'Continuing Education' :
|
||||
userCertificate.certification.config.certification_type === 'workshop' ? 'Workshop Attendance' :
|
||||
userCertificate.certification.config.certification_type === 'specialization' ? 'Specialization' : 'Course Completion'}</span>
|
||||
</div>
|
||||
|
||||
<div style="
|
||||
margin-top: 30px;
|
||||
padding: 24px;
|
||||
background: #f8fafc;
|
||||
border-radius: 8px;
|
||||
border: 1px solid #e2e8f0;
|
||||
max-width: 400px;
|
||||
">
|
||||
<div style="margin: 8px 0; font-size: 14px; color: #374151;">
|
||||
<strong style="color: ${theme.primary};">Certificate ID:</strong> ${certificateId}
|
||||
</div>
|
||||
<div style="margin: 8px 0; font-size: 14px; color: #374151;">
|
||||
<strong style="color: ${theme.primary};">Awarded:</strong> ${new Date(userCertificate.certificate_user.created_at).toLocaleDateString('en-US', {
|
||||
year: 'numeric',
|
||||
month: 'long',
|
||||
day: 'numeric'
|
||||
})}
|
||||
</div>
|
||||
${userCertificate.certification.config.certificate_instructor ?
|
||||
`<div style="margin: 8px 0; font-size: 14px; color: #374151;">
|
||||
<strong style="color: ${theme.primary};">Instructor:</strong> ${userCertificate.certification.config.certificate_instructor}
|
||||
</div>` : ''
|
||||
}
|
||||
</div>
|
||||
|
||||
<div style="
|
||||
margin-top: 20px;
|
||||
font-size: 12px;
|
||||
color: #6b7280;
|
||||
">
|
||||
This certificate can be verified at ${qrCodeData.replace('https://', '').replace('http://', '')}
|
||||
</div>
|
||||
`;
|
||||
|
||||
// Add to document temporarily
|
||||
document.body.appendChild(certificateDiv);
|
||||
|
||||
// Convert to canvas
|
||||
const canvas = await html2canvas(certificateDiv, {
|
||||
width: 800,
|
||||
height: 600,
|
||||
scale: 2, // Higher resolution
|
||||
useCORS: true,
|
||||
allowTaint: true,
|
||||
backgroundColor: '#ffffff'
|
||||
});
|
||||
|
||||
// Remove temporary div
|
||||
document.body.removeChild(certificateDiv);
|
||||
|
||||
// Create PDF
|
||||
const imgData = canvas.toDataURL('image/png');
|
||||
const pdf = new jsPDF('landscape', 'mm', 'a4');
|
||||
|
||||
// Calculate dimensions to center the certificate
|
||||
const pdfWidth = pdf.internal.pageSize.getWidth();
|
||||
const pdfHeight = pdf.internal.pageSize.getHeight();
|
||||
const imgWidth = 280; // mm
|
||||
const imgHeight = 210; // mm
|
||||
|
||||
// Center the image
|
||||
const x = (pdfWidth - imgWidth) / 2;
|
||||
const y = (pdfHeight - imgHeight) / 2;
|
||||
|
||||
pdf.addImage(imgData, 'PNG', x, y, imgWidth, imgHeight);
|
||||
|
||||
// Save the PDF
|
||||
const fileName = `${userCertificate.certification.config.certification_name.replace(/[^a-zA-Z0-9]/g, '_')}_Certificate.pdf`;
|
||||
pdf.save(fileName);
|
||||
|
||||
} catch (error) {
|
||||
console.error('Error generating PDF:', error);
|
||||
alert('Failed to generate PDF. Please try again.');
|
||||
}
|
||||
};
|
||||
|
||||
if (isLoading) {
|
||||
return (
|
||||
<div className="min-h-screen flex items-center justify-center">
|
||||
<div className="text-center">
|
||||
<div className="animate-spin rounded-full h-12 w-12 border-b-2 border-blue-600 mx-auto mb-4"></div>
|
||||
<p className="text-gray-600">Loading certificate...</p>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
if (error) {
|
||||
return (
|
||||
<div className="min-h-screen flex items-center justify-center">
|
||||
<div className="text-center max-w-md mx-auto p-6">
|
||||
<div className="bg-red-50 border border-red-200 rounded-lg p-6">
|
||||
<h2 className="text-xl font-semibold text-red-800 mb-2">Certificate Not Available</h2>
|
||||
<p className="text-red-600 mb-4">{error}</p>
|
||||
<Link
|
||||
href={getUriWithOrg(orgslug, '') + `/course/${courseid}`}
|
||||
className="inline-flex items-center space-x-2 bg-blue-600 text-white px-6 py-3 rounded-full hover:bg-blue-700 transition duration-200"
|
||||
>
|
||||
<ArrowLeft className="w-5 h-5" />
|
||||
<span>Back to Course</span>
|
||||
</Link>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
if (!userCertificate) {
|
||||
return (
|
||||
<div className="min-h-screen flex items-center justify-center">
|
||||
<div className="text-center max-w-md mx-auto p-6">
|
||||
<div className="bg-yellow-50 border border-yellow-200 rounded-lg p-6">
|
||||
<h2 className="text-xl font-semibold text-yellow-800 mb-2">No Certificate Found</h2>
|
||||
<p className="text-yellow-600 mb-4">
|
||||
No certificate is available for this course. Please contact your instructor for more information.
|
||||
</p>
|
||||
<Link
|
||||
href={getUriWithOrg(orgslug, '') + `/course/${courseid}`}
|
||||
className="inline-flex items-center space-x-2 bg-blue-600 text-white px-6 py-3 rounded-full hover:bg-blue-700 transition duration-200"
|
||||
>
|
||||
<ArrowLeft className="w-5 h-5" />
|
||||
<span>Back to Course</span>
|
||||
</Link>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
}
|
||||
|
||||
return (
|
||||
<div className="min-h-screen bg-gray-50 py-8">
|
||||
<div className="max-w-4xl mx-auto px-4">
|
||||
{/* Header */}
|
||||
<div className="flex items-center justify-between mb-8">
|
||||
<Link
|
||||
href={getUriWithOrg(orgslug, '') + `/course/${courseid}`}
|
||||
className="inline-flex items-center space-x-2 text-gray-600 hover:text-gray-900 transition duration-200"
|
||||
>
|
||||
<ArrowLeft className="w-5 h-5" />
|
||||
<span>Back to Course</span>
|
||||
</Link>
|
||||
|
||||
<div className="flex items-center space-x-4">
|
||||
<button
|
||||
onClick={downloadCertificate}
|
||||
className="inline-flex items-center space-x-2 bg-green-600 text-white px-6 py-3 rounded-full hover:bg-green-700 transition duration-200"
|
||||
>
|
||||
<Download className="w-5 h-5" />
|
||||
<span>Download PDF</span>
|
||||
</button>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Certificate Display */}
|
||||
<div className="bg-white rounded-2xl shadow-lg p-8">
|
||||
<div className="max-w-2xl mx-auto">
|
||||
<CertificatePreview
|
||||
certificationName={userCertificate.certification.config.certification_name}
|
||||
certificationDescription={userCertificate.certification.config.certification_description}
|
||||
certificationType={userCertificate.certification.config.certification_type}
|
||||
certificatePattern={userCertificate.certification.config.certificate_pattern}
|
||||
certificateInstructor={userCertificate.certification.config.certificate_instructor}
|
||||
certificateId={userCertificate.certificate_user.user_certification_uuid}
|
||||
awardedDate={new Date(userCertificate.certificate_user.created_at).toLocaleDateString('en-US', {
|
||||
year: 'numeric',
|
||||
month: 'long',
|
||||
day: 'numeric'
|
||||
})}
|
||||
qrCodeLink={qrCodeLink}
|
||||
/>
|
||||
</div>
|
||||
</div>
|
||||
|
||||
{/* Instructions */}
|
||||
<div className="mt-8 text-center text-gray-600">
|
||||
<p className="mb-2">
|
||||
Click "Download PDF" to generate and download a high-quality certificate PDF.
|
||||
</p>
|
||||
<p className="text-sm">
|
||||
The PDF includes a scannable QR code for certificate verification.
|
||||
</p>
|
||||
</div>
|
||||
</div>
|
||||
</div>
|
||||
);
|
||||
};
|
||||
|
||||
export default CertificatePage;
|
||||
Loading…
Add table
Add a link
Reference in a new issue