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[Backend] Build Production-Grade RSVP & Registration System (Solo/Team, Validation, Approval Workflow, Secure Data)

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Évaluation

Difficulté
5/5
Temps estimé
Plus d'une semaine
Accessibilité débutants
20/100
Type d'issue
Fonctionnalité
Clarté
Plutôt claire
Activité
Calme
Stack technique
typescript
Domaine
api, backend, database, security, testing

Piste de recherche

Start by mapping the proposed /controllers, /services, /models, /validators, and /utils structure to the existing repository, then identify the entry points for the listed RSVP and admin endpoints. Define the data, validation, workflow, security, export, and test boundaries before implementing; done means all acceptance criteria and unit, integration, and security tests are covered.

Rédigé par le modèle d'indexation à partir du texte de l'issue.

Description

We are building a complete RSVP & registration system for events like:

hackathons
meetups
workshops
competitions
conferences

Core Flow

User opens RSVP page
→ fills form (solo/team)
→ submits registration
→ backend validates + saves
→ status = Pending / Waitlisted
→ admin reviews
→ Approved / Rejected
→ participant check-in

🎯 Goals

System must be:

  • Flexible (supports all event types)
  • Secure (PII + Aadhaar handling)
  • Scalable (10K+ registrations/event)
  • Configurable (custom questions, rules)
  • Production-ready (validation + workflows)

🧱 CORE MODULES

1️⃣ RSVP CONFIG SYSTEM

Purpose

Each event has its own configuration.

Endpoint

GET   /api/v1/events/:eventId/rsvp-config
PATCH /api/v1/events/:eventId/rsvp-config

Features

enable/disable RSVP
start/end time window
allow solo/team
min/max team size
capacity limit
waitlist toggle
duplicate policy
custom questions

2️⃣ REGISTRATION SYSTEM

Endpoint

POST /api/v1/events/:eventId/rsvp

Modes

Solo
Team

Backend Flow

validate payload (Zod)
→ load RSVP config
→ enforce rules
→ check duplicates
→ validate team logic
→ encrypt sensitive data
→ generate registrationNumber
→ assign status (Pending/Waitlisted)
→ save
→ audit log

3️⃣ VALIDATION SYSTEM (CRITICAL)

Must Validate

Basic
eventId required
leader fullName/email/mobile required
consents must be true
Team Rules
teamName required
teamSize >= 2
members = teamSize - 1
Solo Rules
teamSize = 1
members = []
Identity
  • email format
  • mobile format (E.164)
  • Aadhaar = 12 digits (if required)

4️⃣ DUPLICATE & FRAUD PROTECTION

Prevent

duplicate email in same event
duplicate mobile
duplicate collegeId (optional)
duplicate inside same payload

Advanced

  • block disposable emails
  • OTP verification (optional)
  • IP tracking

5️⃣ RSVP WINDOW & CAPACITY

Rules

reject before start
reject after end

Capacity Handling

if full → Waitlisted
else → Pending

6️⃣ STATUS WORKFLOW

Lifecycle

Pending → Approved → CheckedIn
Pending → Rejected
Pending → Waitlisted → Approved
Approved → Cancelled

Rules

  • only Approved → check-in
  • rejected cannot check-in

7️⃣ ADMIN SYSTEM

Endpoints

GET   /api/v1/events/:eventId/registrations
GET   /api/v1/events/:eventId/registrations/:id
PATCH /api/v1/events/:eventId/registrations/:id/approve
PATCH /api/v1/events/:eventId/registrations/:id/reject
PATCH /api/v1/events/:eventId/registrations/:id/waitlist
PATCH /api/v1/events/:eventId/registrations/:id/check-in
GET   /api/v1/events/:eventId/registrations/export

Features

  • search
  • filter (status, type)
  • pagination
  • CSV export

8️⃣ DATABASE DESIGN

Collections

EventRSVPConfig
EventRegistration

Indexes (IMPORTANT)

eventId
status
leader.email
leader.mobile
createdAt

9️⃣ SENSITIVE DATA SECURITY 🔐

Aadhaar Handling

encrypt before storing
store last4 only
never expose full value

Compliance

  • consent version stored
  • data masking in responses
  • audit logs for export

🔟 CUSTOM QUESTIONS SYSTEM

Supported Types

short text
long text
select
multi-select
number
file upload
url

Validation

  • required questions enforced
  • type-safe answers

1️⃣1️⃣ EVENT INTEGRATION

System connects with:

Event system
Community system
Member system

Example

  • approved RSVP → create Member

1️⃣2️⃣ AUDIT LOGGING

Track

registration_created
status_changed
approved/rejected
export_downloaded
checkin_done

1️⃣3️⃣ ANALYTICS

Metrics

total registrations
approved count
rejected count
waitlist count
check-in rate

1️⃣4️⃣ ERROR HANDLING

Format

{
  "success": false,
  "message": "Team size invalid"
}

1️⃣5️⃣ RATE LIMITING

RSVP submit → 5/min/IP

1️⃣6️⃣ TESTING

Unit

  • validation logic
  • duplicate checks

Integration

  • full RSVP flow
  • admin actions

Security

  • data masking
  • rate limit

1️⃣7️⃣ EDGE CASES

duplicate registration
invalid team size
expired RSVP window
capacity overflow
invalid Aadhaar
CSV export misuse

⚙️ PERFORMANCE

  • indexed queries
  • pagination
  • async processing

🌍 ENVIRONMENT

DEV
STAGING
PROD

📦 ARCHITECTURE

/controllers
/services
/models
/validators
/utils

✅ ACCEPTANCE CRITERIA

✔ RSVP submission works
✔ Solo + Team logic works
✔ Validation enforced
✔ Duplicate protection active
✔ Admin approval system works
✔ Check-in works
✔ Aadhaar securely handled
✔ Custom questions supported
✔ Export works
✔ Fully tested

🔥 FINAL SUMMARY

This system behaves like:

Devfolio / HackerEarth / Eventbrite backend
Langage dominant
TypeScript
Étoiles
1
Forks
0
Aucune PR mergée en 30 j

Préparer son environnement

  • Fournit un Dockerfile ou un fichier Docker Compose
  • Aucun modèle de pull request
  • Aucun guide de contribution

Par où commencer

  1. Lisez l'issue en entier, puis le guide de contribution du projet.
  2. Signalez en commentaire que vous la prenez — cela évite que deux personnes fassent le même travail.
  3. Forkez le dépôt et travaillez sur une branche.
  4. Ouvrez une pull request qui référence le numéro de l'issue.

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