Building an Assistance System with Facial Recognition Using Next.js and FACEIOm

Executive Summary

In the era of digital transformation, traditional attendance tracking is quickly becoming obsolete. Our cutting-edge solution leverages advanced facial recognition technology, Next.js and Faceio to create a sophisticated, secure and intelligent attendance management ecosystem.

Introduction

Attendance management has traditionally been a time-consuming and error-prone task for organizations. FACEIO's innovative system changes this paradigm by introducing advanced facial recognition technology, offering a simplified process that improves security and user experience.

The Modern Assistance System with FACEIO

The Modern Attendance System powered by FACEIO marks a transformative change in the way organizations track attendance, using cutting-edge facial recognition technology. This advanced system replaces traditional methods such as manual check-ins and card-based systems with a seamless, secure and efficient contactless solution. FACEIO prioritizes accuracy, fraud prevention and user privacy, making it a revolutionary element in attendance management.

Install packages

Project Structure

Environment Settings

Next.js Configuration

Supplier Configuration

Against the IO context

// src/context/FaceIOContext.tsx
'use client';

import React, { 
  createContext, 
  useState, 
  useContext, 
  useEffect, 
  ReactNode 
} from 'react';
import faceIO from '@faceio/fiojs';

interface FaceIOContextType {
  faceioInstance: any;
  error: Error | null;
}

const FaceIOContext = createContext<FaceIOContextType>({
  faceioInstance: null,
  error: null,
});

export const FaceIOProvider = ({ children }: { children: ReactNode }) => {
  const [faceioInstance, setFaceioInstance] = useState<any>(null);
  const [error, setError] = useState<Error | null>(null);

  useEffect(() => {
    const initializeFaceIO = async () => {
      try {
        if (process.env.NEXT_PUBLIC_FACEIO_PUBLIC_KEY) {
          const instance = new faceIO(process.env.NEXT_PUBLIC_FACEIO_PUBLIC_KEY);
          setFaceioInstance(instance);
        } else {
          throw new Error('FACEIO Public Key is not configured');
        }
      } catch (err) {
        console.error('Face Recognition Initialization Failed', err);
        setError(err instanceof Error ? err : new Error('Initialization failed'));
      }
    };

    initializeFaceIO();
  }, []);

  return (
    <FaceIOContext.Provider value={{ faceioInstance, error }}>
      {children}
    </FaceIOContext.Provider>
  );
};

export const useFaceIO = () => useContext(FaceIOContext);

Facial recognition hook

// src/hooks/useFaceRecognition.ts
'use client';

import { useState } from 'react';
import { useFaceIO } from '../context/FaceIOContext';

export function useFaceRecognition() {
  const { faceioInstance } = useFaceIO();
  const [isLoading, setIsLoading] = useState(false);
  const [error, setError] = useState<Error | null>(null);

  const enrollUser = async (userMetadata: Record<string, any>) => {
    if (!faceioInstance) {
      throw new Error('FaceIO not initialized');
    }

    setIsLoading(true);
    setError(null);

    try {
      const enrollResult = await faceioInstance.enroll({
        locale: "auto",
        payload: {
          ...userMetadata,
          enrollmentTimestamp: new Date().toISOString()
        }
      });

      setIsLoading(false);
      return {
        facialId: enrollResult.facialId,
        metadata: enrollResult
      };
    } catch (err) {
      setIsLoading(false);
      setError(err instanceof Error ? err : new Error('Enrollment failed'));
      throw err;
    }
  };

  const authenticateUser = async () => {
    if (!faceioInstance) {
      throw new Error('FaceIO not initialized');
    }

    setIsLoading(true);
    setError(null);

    try {
      const authResult = await faceioInstance.authenticate({
        locale: "auto"
      });

      setIsLoading(false);
      return {
        facialId: authResult.facialId,
        payload: authResult.payload
      };
    } catch (err) {
      setIsLoading(false);
      setError(err instanceof Error ? err : new Error('Authentication failed'));
      throw err;
    }
  };

  return { 
    enrollUser, 
    authenticateUser, 
    isLoading, 
    error 
  };
}

Facial recognition component

// src/components/FaceRecognition.tsx
'use client';

import { useState } from 'react';
import { useFaceRecognition } from '../hooks/useFaceRecognition';

export function FaceRecognitionComponent() {
  const { enrollUser, authenticateUser, isLoading, error } = useFaceRecognition();
  const [userData, setUserData] = useState(null);

  const handleEnroll = async () => {
    try {
      const result = await enrollUser({
        username: 'example_user',
        email: 'user@example.com'
      });
      setUserData(result);
    } catch (err) {
      console.error('Enrollment error', err);
    }
  };

  const handleAuthenticate = async () => {
    try {
      const result = await authenticateUser();
      setUserData(result);
    } catch (err) {
      console.error('Authentication error', err);
    }
  };

  return (
    <div>
      {isLoading && <p>Processing...</p>}
      {error && <p>Error: {error.message}</p>}
      <button onClick={handleEnroll}>Enroll</button>
      <button onClick={handleAuthenticate}>Authenticate</button>
      {userData && <pre class="brush:php;toolbar:false">{JSON.stringify(userData, null, 2)}

}