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Documentation Index

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Welcome to FalconAlert API

FalconAlert is a powerful NestJS-based backend API for fraud reporting and community moderation. It provides a complete solution for users to report fraudulent websites, moderate content, and protect communities from online scams.

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What is FalconAlert?

FalconAlert enables users to:
  • Report fraudulent websites with detailed information and evidence
  • Upvote reports to increase visibility of dangerous sites
  • Track report status through pending, approved, and rejected states
  • Receive real-time notifications via WebSocket connections
  • Manage user profiles with customizable settings
  • Moderate content through an admin dashboard

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Key Features

User Management

Complete user registration, authentication, and profile management with JWT-based security

Fraud Reports

Create, update, and categorize fraud reports with image uploads and status tracking

Community Protection

Upvote system to protect people from fraudulent sites and increase report visibility

Real-time Updates

WebSocket gateway for instant report notifications and updates

Admin Dashboard

Comprehensive dashboard with analytics, user management, and report moderation

File Uploads

Support for profile pictures and report evidence images stored locally

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Architecture Overview

FalconAlert is built on modern, reliable technologies:
  • Framework: NestJS 11.x - A progressive Node.js framework
  • Language: TypeScript - Type-safe development
  • Database: MySQL 8.0+ via mysql2 driver
  • Authentication: JWT with access and refresh tokens
  • API Documentation: Swagger UI at /docs
  • Validation: class-validator and class-transformer
  • Real-time: Socket.IO for WebSocket connections

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Core Modules

The API is organized into feature modules: 
src/
├── auth/              # JWT authentication & token management
├── users/             # User registration, profiles, settings
├── reports/           # Fraud report CRUD operations
├── categories/        # Report categorization
├── upvotes/          # Community protection system
├── notifications/    # Real-time notification system
├── admin/            # Admin dashboard & moderation
├── dashboard/        # Analytics and statistics
├── images/           # File upload handling
└── common/           # Shared guards, interfaces, utilities

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Authentication System

FalconAlert uses a dual-token JWT authentication system:
  • Access Tokens: Short-lived (1 hour) tokens for API requests
  • Refresh Tokens: Long-lived (7 days) tokens for renewing access
  • Role-based Access: Separate endpoints for mobile (role_id: 1) and web (role_id: 2) users
All protected endpoints require a Bearer token in the Authorization header: 
Authorization: Bearer <access_token>

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API Documentation

Once the server is running, you can explore the interactive API documentation:
  • Swagger UI: http://localhost:3000/docs
  • OpenAPI Spec: Available at /swagger.json
The documentation includes:
  • All available endpoints
  • Request/response schemas
  • Example payloads
  • Authentication requirements
  • Error responses
The API runs on port 3000 by default, configurable via the PORT environment variable.

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Response Format

All API responses follow consistent patterns: Success Response: 
{
  "id": 1,
  "title": "Fraudulent website detected",
  "status_id": 1
}
Error Response: 
{
  "message": "User not found",
  "error": "Not Found",
  "statusCode": 404
}

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Getting Help

If you encounter issues or have questions:
  • Check the Quickstart Guide for setup instructions
  • Review the Authentication Guide for JWT implementation
  • Explore the Swagger documentation at /docs
  • Review the source code on GitHub

Quickstart

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Authentication

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