# faceRecoCompareFaceWithFace

## Description

Compare existing user's face with a face for login using the face recognition system.

## Parameters

| Parameter | Type   | Description                                                               |
| --------- | ------ | ------------------------------------------------------------------------- |
| profileId | string | unique profile id of the user, in case duplicate user will not be created |
| image     | string | base64 image data of the user id                                          |

## Response

| Parameter | Type   | Description                                                                                                                                              |
| --------- | ------ | -------------------------------------------------------------------------------------------------------------------------------------------------------- |
| message   | string | message about the response                                                                                                                               |
| status    | int    | <p>0 for user id already exists</p><p>1 for successful execution and user creation</p><p>-1 for any error occurs during the execution of the request</p> |

## Example Request and Response

### Prerequisites

Before making requests with NO.AI SDK, you must have it installed.

You can install NO.AI SDK using either `npm` or `yarn`. Use the following commands to install NO.AI SDK:

```sh
npm install @nest25/ai-core-sdk
OR
yarn add @nest25/ai-core-sdk
```

## Request

Here is an example of how to make a `faceRecoRegisterUser` request using the NO.AI SDK:

```javascript
// import the ai-core-sdk
const fs = require('fs');
import {AIServices} from '@nest25/ai-core-sdk';

// reusable arrow function to encode file data to base64 encoded string
const convertBase64 = async (path) => {
    // get the extention of the image
    let words = path.split('.')
    let extention = words.pop();
    // read binary data from file
    const bitmap = fs.readFileSync(path);
    // convert the binary data to base64 encoded string
    let base64String = bitmap.toString('base64');
    return `data:image/${extention};base64,${base64String}`;
};

// relative path to the file
const filePath = 'playground/sample.jpg';

// create a new instance of the sdk
const aiServices = new AIServices();

async function main() {
  // get the result of the test
  let result = await convertBase64(filePath);
  const result = await aiServices.faceRecoCompareFaceWithFace('user_id', result);
  console.log(result);
}

main();
```

## Response

```json
{
    "status": 1,
    "message": "User photo matches with the features."
}
```