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50c083e | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | # QR Attendance & Certificate Generation Module Plan
## 1. QR Attendance
- [x] Integrate QR scanning in host dashboard.
- [x] On scan, call backend to mark attendance.
- [x] QR Scanner component exists at `Frontend/src/hostdashboard/QRScanner.jsx`
- [x] Backend endpoint `/api/hosts/scan-qr` implemented
## 2. Certificate Generation
- [x] Add option in event creation to enable certificates.
- [x] Modal for host to upload participant data (CSV/Excel), signatures, and designation.
- [x] Allow template selection/upload.
- [x] Backend endpoint to receive uploads and trigger certificate generation.
- [x] Use `/ML/certificate_generator/generator.py` for batch certificate creation.
- [x] Store generated certificates and provide download/email options.
- [x] Complete Certificate Management UI component created
## 3. Certificate Distribution
- [x] API to fetch/download certificates for users.
- [x] Optionally, email certificates to participants.
- [x] Download endpoints implemented
## 4. Admin/Host Controls
- [x] Dashboard to view certificate status, re-generate, or re-send.
- [x] Complete status dashboard with participant tracking
## 5. Security & Validation
- [x] Validate uploads (file type, size).
- [x] Ensure only hosts/co-hosts can trigger certificate generation.
- [x] QR code expiry and single-use validation
- [x] Per-event QR verification (scan must match event) with unlimited scans
---
## Implementation Summary
### ✅ Completed Files
#### Backend
1. **Controller/certificateManagement.js** - NEW
- Certificate settings management
- Asset upload handling
- Certificate generation orchestration
- Status tracking
- User certificate retrieval
2. **Routes/certificateManagementRoutes.js** - NEW
- All certificate management endpoints
- Proper authentication and authorization
- Swagger documentation
3. **Routes/hostRoutes.js** - UPDATED
- Added QR scanning endpoint
- Integrated with event controller
4. **Models/Event.js** - UPDATED
- Added certificate settings schema
- Upload tracking
5. **app.js** - UPDATED
- Registered certificate management routes
#### Frontend
1. **hostdashboard/CertificateManagement.jsx** - NEW
- Complete certificate management UI
- Settings configuration
- Asset upload interface
- Status dashboard
- Participant tracking table
- Generation and regeneration controls
2. **hostdashboard/QRScanner.jsx** - EXISTS
- QR code scanning functionality
- Real-time validation
- Attendance marking
3. **hostdashboard/index.js** - UPDATED
- Exported CertificateManagement component
#### Documentation
1. **docs/host-module-complete-guide.md** - NEW
- Complete implementation guide
- Workflow documentation
- API documentation
- Security considerations
- Testing checklist
- Troubleshooting guide
---
## Integration Points
### Certificate Generator API
- Base URL: `http://localhost:8000` (configurable)
- Endpoints integrated:
- `/upload-template`
- `/upload-logo`
- `/upload-signature`
- `/config/*`
- `/generate`
- `/download/{filename}`
### Backend APIs
- `/api/hosts/scan-qr` - QR attendance marking
- `/api/certificate-management/events/:eventId/*` - Certificate operations
- `/api/events/my-qr/:eventId` - User QR retrieval
---
## Next Steps for Deployment
1. **Environment Setup**
```bash
# Add to .env
CERTIFICATE_API_URL=http://localhost:8000
```
2. **Start Certificate Generator**
```bash
cd ML/certificate_generator
python api_main.py
```
3. **Install Dependencies**
```bash
cd Backend
npm install axios form-data
cd ../Frontend
npm install @mui/material @emotion/react @emotion/styled
```
4. **Database Migration**
- Event schema already supports certificate settings
- No migration needed, backward compatible
5. **Testing**
- Test QR scanning flow
- Test certificate generation end-to-end
- Verify asset uploads
- Check permissions
---
**Status:** ✅ COMPLETE - All planned features implemented
**Date:** November 14, 2025
---
**References:**
- `/ML/certificate_generator/README.md` for generator usage.
- `/Backend/Controller/host.js` for attendance and event logic.
- `/docs/host-module-complete-guide.md` for complete implementation guide.
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