Rest Api used in meditation live

/* -----------------------------------------------------------------------------
 * REST API SETUP
 * -------------------------------------------------------------------------- */
add_action( 'rest_api_init', function () {
    register_rest_route( 'users', '/auth/', array(
            'methods' => 'POST',
            'callback' => 'meditation_user_auth'
    ) );
} );

function meditation_user_auth(WP_REST_Request $request) {
    $email = isset($request['email']) ? $request['email'] : '';
    $password = isset($request['password']) ? $request['password'] : '';

    if(empty($email)) {
        return new WP_Error( 'invalid_email', 'Invalid email', array( 'status' => 404 ) );
    }
    if(empty($password)) {
        return new WP_Error( 'invalid_password', 'Invalid password', array( 'status' => 404 ) );
    }
    $response = array();
    $user = get_user_by( 'email', $email );
    $authentication = wp_authenticate($user->user_login,$password);
    if (!is_wp_error( $authentication )){

	    $response = array(
	    	'success' => true,
            'message' => 'Login Successful',
            'userid'  =>$user->ID,
            'token'   => 'meditationpeggyapp',
            'user_name'=>$user->display_name,
            'user_email'=>$email,
	    );
    }
    else{
    $response = array(
	    	'success' => false,
	    	'message' => 'Invalid email or password',
            'token'   => '',
            'user_id'=>'',
            'user_name'=>'',
            'user_email'=>'',
	    );
    }
    $message = new WP_REST_Response($response, 200); // data => array of returned data
    return $message;

}
add_action('rest_api_init',function(){
    register_rest_route('uploads','/audios/',array(
        'methods'=>'GET',
        'callback'=>'meditation_upload_file_auth',
    ));
});
function meditation_upload_file_auth(WP_REST_Request $request) {
    $user_id = isset($_GET['userid']) ? (int)$_GET['userid'] : '';
    $user_data = get_user_by('ID', $user_id);
    $token = $request->get_header('token');
    // $token = $attribues['args']['token'][0];
    $subtitles = ['Day 1-7 Audios','Day 8-14 Audios','Day 15-21 Audios','Day 22-28 Audios','Day 29-30 Audios'];

    if(empty($token)) {
        return new WP_Error( 'empty_token', 'Empty Token', array( 'status' => 404 ) );
     }
     if($token !='meditationpeggyapp'){
        return new WP_Error( 'invalid_token', 'Invalid Token', array( 'status' => 404 ) );
     }
    if(empty($user_id)) {
        return new WP_Error( 'empty_userID', 'Empty Userid', array( 'status' => 404 ) );
    }
    if($user_data == false) {
        return new WP_Error( 'invalid_userID', 'Invalid Userid', array( 'status' => 404 ) );
    } else {
        $upload_dir = wp_upload_dir();

        if( $dir = opendir($upload_dir['basedir'].'/audios')) {

        $modules = array();
        while(false !== ($file=readdir($dir))) {
            if( $file != "." && $file != '..') {
                $modules[] = $file;
            }
        }
        closedir($dir);
        sort($modules);
        $response = array();
        $count = 1;
        for( $i=0,$j=0; $i<count($modules),$j<count($subtitles); $i++,$j++) {
            
            $purchased_products = array();
            $purchased_products['module_title'] = $modules[$i];
            $purchased_products['module_subtitle'] = $subtitles[$j];
            $listed_audios = glob($upload_dir['basedir'].'/audios/'.$modules[$i].'/*');
            
            foreach($listed_audios as $single_audio){
                $purchased_products['products'][] = array(
                    'title' =>  'Day '.$count,
                    'url'   => str_replace("/home/admin/web/meditationwithpeggygaines.com/public_html/wp-content/uploads",$upload_dir['baseurl'],$single_audio),
                    'id'    => (int)sprintf("%03d", $count),
                );
                $count++;
            }
            $response[] = $purchased_products;
        }
        // foreach($modules as $module) {
        //     $count = 0;
        //     $purchased_products = array();
        //     $purchased_products['module_title'] = $module;
        //     $purchased_products['module_subtitle'] = $subtitles[$subtitle_count];
        //     $listed_audios = glob($upload_dir['basedir'].'/audios/'.$module.'/*');
        //     $count = 1;
        //     foreach($listed_audios as $single_audio){

        //         $purchased_products['products'][] = array(
        //             'title'=>'audio '.$count,
        //             'url'=> str_replace("/home/admin/web/meditationwithpeggygaines.com/public_html/wp-content/",$upload_dir['baseurl'].'/',$single_audio),
        //         );
        //         $count++;
        //     }
        //     $response[] = $purchased_products;
        //     $subtitle_count++;
        // }

        $json = array();
        $json['success'] = true;
        $json['message'] = 'Product fetch successful';
        $json['purchased_products'] = $response;
        $message = new WP_REST_Response($json, 200); // data => array of returned data
        return $message;

        }
    }


}