Skip to content

TOURNAMENT_IMPLEMENTATION.md

Latest commit

 

History

History
318 lines (259 loc) · 10.1 KB

TOURNAMENT_IMPLEMENTATION.md

File metadata and controls

318 lines (259 loc) · 10.1 KB
Raw

Tournament System Implementation Summary

✅ Implementation Complete

The tournament system has been fully implemented with all requested features and acceptance criteria met.

📋 Features Implemented

1. Tournament Bracket Structure ✅

  • Single-elimination tournaments with automatic bracket generation
  • Double-elimination tournaments with winner/loser brackets
  • Round-robin tournaments where every player faces every other player
  • Swiss system tournaments with intelligent pairing

Files:

  • src/tournaments/entities/tournament.entity.ts - Main tournament entity
  • src/tournaments/types/tournament.types.ts - Bracket type definitions
  • src/tournaments/tournaments.service.ts - Bracket generation algorithms

2. Tournament Registration System ✅

  • User registration with validation
  • Entry requirements (level, score, achievements)
  • Entry fee system (points/coins/tokens)
  • Registration time windows
  • Participant withdrawal
  • Maximum participant limits
  • Duplicate registration prevention

Files:

  • src/tournaments/dto/register-tournament.dto.ts - Registration DTO
  • src/tournaments/entities/tournament-participant.entity.ts - Participant entity
  • Methods: registerParticipant(), withdrawParticipant()

3. Match Scheduling and Pairing ✅

  • Automatic match creation based on bracket type
  • Seeding methods: random, ranked, seeded
  • Bye handling for odd participant counts
  • Match progression tracking
  • Next match linking for bracket flow

Files:

  • src/tournaments/entities/tournament-match.entity.ts - Match entity
  • Methods: generateBracket(), createMatch(), seedParticipants()

4. Real-time Tournament Progression ✅

  • Match result submission
  • Automatic winner advancement
  • Participant statistics updates
  • Tournament completion detection
  • Real-time bracket updates

Files:

  • Methods: submitMatchResult(), advanceToNextMatch(), checkTournamentCompletion()

5. Prize Pool Distribution Logic ✅

  • Configurable prize pools
  • Multiple prize positions (1st, 2nd, 3rd, etc.)
  • Multiple currencies (points, coins, tokens)
  • Badge and achievement rewards
  • Automatic prize distribution on completion

Files:

  • Method: distributePrizes()
  • Prize configuration in tournament entity

6. Tournament History and Archives ✅

  • Completed tournament tracking
  • Tournament history retrieval
  • Match history with detailed results
  • Participant performance records
  • Top performers tracking

Files:

  • Methods: getCompletedTournaments(), getTournamentHistory()

7. Spectator Mode ✅

  • Join tournaments as spectator
  • Watch specific matches
  • Track watch time
  • Spectator engagement metrics
  • Active spectator tracking

Files:

  • src/tournaments/entities/tournament-spectator.entity.ts - Spectator entity
  • Methods: joinAsSpectator(), leaveAsSpectator(), getTournamentSpectators()

✅ Acceptance Criteria Met

Tournaments Run Automatically ✅

  • Automatic bracket generation based on registered participants
  • Automatic match creation and scheduling
  • Automatic winner advancement
  • Automatic tournament completion detection
  • Automatic prize distribution

Brackets Generate Correctly ✅

  • All bracket types implemented (single/double elimination, round-robin, Swiss)
  • Proper seeding algorithms
  • Correct round naming (Finals, Semi-Finals, Quarter-Finals, etc.)
  • Bye handling for odd participant counts
  • Match linking for bracket progression

Winners Determined and Rewarded ✅

  • Match winners determined by score
  • Winners advance to next round automatically
  • Final winner identified
  • Prizes distributed automatically
  • Badge and achievement rewards

Tournament Stats Tracked ✅

  • Tournament statistics (total matches, completion rate, etc.)
  • Participant statistics (wins, losses, scores, accuracy)
  • Match statistics (duration, puzzle results, spectator count)
  • Performance metrics (accuracy, completion time, streaks)

📁 File Structure

src/tournaments/
├── entities/
│   ├── tournament.entity.ts              # Main tournament entity
│   ├── tournament-participant.entity.ts  # Participant tracking
│   ├── tournament-match.entity.ts        # Match management
│   └── tournament-spectator.entity.ts    # Spectator mode
├── dto/
│   ├── create-tournament.dto.ts          # Create tournament
│   ├── update-tournament.dto.ts          # Update tournament
│   ├── register-tournament.dto.ts        # Register participant
│   ├── query-tournaments.dto.ts          # Query filters
│   └── submit-match-result.dto.ts        # Submit results
├── types/
│   └── tournament.types.ts               # TypeScript interfaces
├── tournaments.service.ts                # Core business logic
├── tournaments.controller.ts             # REST API endpoints
├── tournaments.module.ts                 # NestJS module
├── tournaments.service.spec.ts           # Unit tests
├── tournaments.controller.spec.ts        # Controller tests
└── README.md                             # Documentation

🗄️ Database Schema

Tables Created

  1. tournaments - Tournament metadata and configuration
  2. tournament_participants - Participant registration and stats
  3. tournament_matches - Match scheduling and results
  4. tournament_spectators - Spectator tracking

Migration

  • src/migrations/1737497000000-CreateTournamentTables.ts

🌐 API Endpoints

Tournament Management

  • POST /tournaments - Create tournament
  • GET /tournaments - List tournaments (with filters)
  • GET /tournaments/:id - Get tournament details
  • PATCH /tournaments/:id - Update tournament
  • DELETE /tournaments/:id - Delete tournament

Participation

  • POST /tournaments/:id/register - Register for tournament
  • POST /tournaments/:id/withdraw - Withdraw from tournament
  • POST /tournaments/:id/generate-bracket - Generate bracket

Tournament Info

  • GET /tournaments/:id/bracket - Get bracket structure
  • GET /tournaments/:id/standings - Get current standings
  • GET /tournaments/:id/history - Get tournament history
  • GET /tournaments/completed - Get completed tournaments

Match Management

  • POST /tournaments/matches/:matchId/result - Submit match result

Spectator Mode

  • POST /tournaments/:id/spectate - Join as spectator
  • POST /tournaments/spectators/:spectatorId/leave - Leave spectator mode
  • GET /tournaments/:id/spectators - Get active spectators

🧪 Testing

Unit Tests

  • tournaments.service.spec.ts - Service layer tests
  • tournaments.controller.spec.ts - Controller tests

E2E Tests

  • test/tournaments.e2e-spec.ts - End-to-end integration tests

Test Coverage

  • Tournament creation
  • Registration flow
  • Bracket generation
  • Match result submission
  • Prize distribution
  • Spectator mode
  • Error handling

📖 Documentation

Comprehensive Documentation Created

  1. README.md - Complete feature documentation with examples
  2. DATABASE_SCHEMA.md - Updated with tournament tables
  3. API Examples - Request/response examples for all endpoints
  4. Workflow Guide - Step-by-step tournament execution flow
  5. Configuration Guide - All configuration options explained

🔧 Technical Highlights

Design Patterns Used

  • Repository Pattern - TypeORM repositories for data access
  • DTO Pattern - Data validation and transformation
  • Service Layer Pattern - Business logic separation
  • Module Pattern - NestJS modular architecture

Best Practices

  • Comprehensive input validation with class-validator
  • Proper error handling and user-friendly messages
  • Transaction support for data consistency
  • Indexes on frequently queried fields
  • JSONB for flexible configuration storage
  • Cascade deletes for referential integrity

Performance Optimizations

  • Indexes on tournament status and dates
  • Composite indexes for participant lookups
  • Efficient bracket generation algorithms
  • Pagination support for large datasets
  • Query optimization with proper joins

🚀 How to Use

1. Run Migration

npm run build
npm run migration:run

2. Start Server

npm run start:dev

3. Create Tournament

curl -X POST http://localhost:3000/tournaments \
  -H "Content-Type: application/json" \
  -d '{
    "name": "Weekly Championship",
    "description": "Weekly puzzle competition",
    "bracketType": "single-elimination",
    "maxParticipants": 16,
    "registrationStartTime": "2026-01-25T00:00:00Z",
    "registrationEndTime": "2026-01-30T00:00:00Z",
    "startTime": "2026-02-01T00:00:00Z",
    "prizePool": {
      "totalPrize": 1000,
      "currency": "points",
      "distribution": [
        {"position": 1, "amount": 500, "percentage": 50}
      ]
    }
  }'

4. Register Participants

curl -X POST http://localhost:3000/tournaments/{tournamentId}/register

5. Generate Bracket

curl -X POST http://localhost:3000/tournaments/{tournamentId}/generate-bracket

6. View Bracket

curl -X GET http://localhost:3000/tournaments/{tournamentId}/bracket

🎯 Key Features

Automatic Operation

✅ Tournaments run automatically after bracket generation ✅ Winners advance automatically ✅ Prizes distributed automatically ✅ Statistics updated in real-time

Flexible Configuration

✅ Multiple bracket types supported ✅ Customizable prize pools ✅ Entry requirements system ✅ Match configuration options

Comprehensive Tracking

✅ Tournament statistics ✅ Participant performance ✅ Match history ✅ Spectator engagement

📝 Notes

  • All entities use UUID for primary keys
  • Timestamps tracked for all events
  • JSONB used for flexible configuration
  • Soft deletes supported where appropriate
  • Comprehensive validation on all inputs
  • Error messages are user-friendly
  • API follows RESTful conventions

🎉 Success!

The tournament system is fully implemented, tested, and documented. All acceptance criteria have been met:

  • ✅ Tournaments run automatically
  • ✅ Brackets generate correctly
  • ✅ Winners determined and rewarded
  • ✅ Tournament stats tracked

The system is production-ready and can be deployed immediately!