IMMREX7

<?php

/*
 * To change this license header, choose License Headers in Project Properties.
 * To change this template file, choose Tools | Templates
 * and open the template in the editor.
 */

namespace App\Http;

use Google\Auth\Credentials\ServiceAccountCredentials;
class SendNotificationApi {

    static function sendNotification($reg_ids,$message) {
        return self::initiateApi($reg_ids,$message);
    }

    static function sendSingleNotification($reg_ids,$message) {
        return self::initiateSingleApi($reg_ids,$message);
    }

    static function getGoogleAccessToken(){
        $credentialsFilePath = storage_path().'/app/schoolmis-1c700-73bb7e87821a.json'; 
        $client = new \Google_Client();
        $client->setAuthConfig($credentialsFilePath);
        $client->addScope('https://www.googleapis.com/auth/firebase.messaging');
        $client->refreshTokenWithAssertion();
        $token = $client->getAccessToken();
        return $token['access_token'];
    }

    static function sendMessage($json){
        $apiurl = 'https://fcm.googleapis.com/v1/projects/schoolmis-1c700/messages:send'; 
        $headers = [
                'Authorization: Bearer ' . self::getGoogleAccessToken(),
                'Content-Type: application/json'
        ];
        
        $notifications = [
                'title'             => $json["title"],
                'body'              => $json["body"],
            ];
        
        $data = [
                "title"          => $json["title"],
                "body"           => $json["body"],
                "message"           => $json["body"]
            ];
            
        $message = [
            'message' => [
                    'token' => $json["token"],
                    'notification'     => $notifications,
                    'data'             =>  $data,
                ],
        ];
        
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $apiurl);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($message));
        
        $result = curl_exec($ch);
        if ($result === FALSE) {
            //Failed
            die('Curl failed: ' . curl_error($ch));
        }
        curl_close($ch);
        return $result;
    }

    static function testSingleNotification($reg_ids,$message) {
        foreach($reg_ids as $key=>$value){
            $json["token"] = $value;
            $json["title"] = "School Notification";
            $json["body"] = $message;
            self::sendMessage($json);
        }
        return 1;


        /*$url = 'https://fcm.googleapis.com/v1/projects/schoolmis-1c700/messages:send'; 
        $headers = [
                'Authorization: Bearer ' . self::getGoogleAccessToken(),
                'Content-Type: application/json'
        ];

        $fields = array (
                'registration_ids' =>$reg_ids,
                
                'notification' => array (
                    "title" => "Notification",
                    "body" => $message
                ),
                'data' => array (
                    "message" => $message
                )
        );
        $fields = json_encode ( $fields );
        $ch = curl_init ();
        curl_setopt ( $ch, CURLOPT_URL, $url );
        curl_setopt ( $ch, CURLOPT_POST, true );
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt ( $ch, CURLOPT_HTTPHEADER, $headers );
        curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, true );
        curl_setopt ( $ch, CURLOPT_POSTFIELDS, $fields );

        $result = curl_exec ( $ch );
        if(curl_errno($ch)) return  curl_error($ch);
        curl_close ( $ch );
        return  $result;*/
    }

    static function initiateApi($reg_ids,$message) {
        $temp_ids=array();
        for($i=0;$i<sizeof($reg_ids);$i++){
            array_push($temp_ids,$reg_ids[$i]);
            if( $i % 1000 == 0 && $i > 0)
            {
                self::initiateSingleApi($temp_ids,$message);
                $temp_ids=array();
            }else
            if($i==sizeof($reg_ids)-1){
                self::initiateSingleApi($temp_ids,$message);
            }
        }
        
        return "success";
    }
    
    static function sendBulkNotification($reg_ids,$message){
        $url = 'https://fcm.googleapis.com/fcm/send';
            $fields = array (
                    'registration_ids' =>$reg_ids,
                    'notification' => array (
                        "title" => "Notification",
                        "body" => $message
                    ),    
                    'data' => array (
                            "message" => $message
                    )
            );
            $fields = json_encode ( $fields );
            $headers = array (
                    'Authorization: key=' . "AAAAtaPk0ds:APA91bErbAfUXZPjSAe8hrsmbgABmflRGsmG_MrelqxBOKXdvDuJ0tiRPgqHg85Sla7jdoto3dnGGjRVuPibZkXFf5EzvbGUQEfGawxxKo30DoYgPzlBQUHUvkf9Ic64wc59NNjrO4qC",
                    'Content-Type: application/json'
            );
    
            $ch = curl_init ();
            curl_setopt ( $ch, CURLOPT_URL, $url );
            curl_setopt ( $ch, CURLOPT_POST, true );
            curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
            curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
            curl_setopt ( $ch, CURLOPT_HTTPHEADER, $headers );
            curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, true );
            curl_setopt ( $ch, CURLOPT_POSTFIELDS, $fields );
    
            $result = curl_exec ( $ch );
            if(curl_errno($ch)) return  curl_error($ch);
            curl_close ( $ch );
            return  $result;
    }

    static function initiateSingleApi($reg_ids,$message) {
        /*$url = 'https://fcm.googleapis.com/fcm/send';

        $fields = array (
                'registration_ids' =>$reg_ids,
                'notification' => array (
                    "title" => "Notification",
                    "body" => $message
                ),
                'data' => array (
                        "message" => $message
                )
        );
        $fields = json_encode ( $fields );

        $headers = array (
                'Authorization: key=' . "AAAAtaPk0ds:APA91bErbAfUXZPjSAe8hrsmbgABmflRGsmG_MrelqxBOKXdvDuJ0tiRPgqHg85Sla7jdoto3dnGGjRVuPibZkXFf5EzvbGUQEfGawxxKo30DoYgPzlBQUHUvkf9Ic64wc59NNjrO4qC",
                'Content-Type: application/json'
        );

        $ch = curl_init ();
        curl_setopt ( $ch, CURLOPT_URL, $url );
        curl_setopt ( $ch, CURLOPT_POST, true );
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
        curl_setopt ( $ch, CURLOPT_HTTPHEADER, $headers );
        curl_setopt ( $ch, CURLOPT_RETURNTRANSFER, true );
        curl_setopt ( $ch, CURLOPT_POSTFIELDS, $fields );

        $result = curl_exec ( $ch );
        if(curl_errno($ch)) return  curl_error($ch);
        curl_close ( $ch );
        return  $result;*/
        foreach($reg_ids as $key=>$value){
            if($value != null){
                if($value != ""){
                    $json["token"] = $value;
                    $json["title"] = "School Notification";
                    $json["body"] = $message;
                    self::sendMessage($json);
                }
            }
        }
        return 1;
    }

    static function subscribeToTopic($tokens) {
        $credentialsFilePath = storage_path().'/app/schoolmis-1c700-73bb7e87821a.json'; 
        $url = 'https://iid.googleapis.com/iid/v1:batchAdd';

        $accessToken = self::getAccessToken($credentialsFilePath);
        
        $headers = [
            'Authorization: Bearer ' . $accessToken,
            'Content-Type: application/json'
        ];
    
        $topic = "communications";
        $data = [
            'to' => '/topics/' . $topic,
            'registration_tokens' => $tokens
        ];
    
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
    
        $response = curl_exec($ch);
        curl_close($ch);
    
        return json_decode($response, true);
    }

    static function getAccessToken($serviceAccountPath) {
        // Define the required FCM scope
        $scopes = ['https://www.googleapis.com/auth/firebase.messaging'];
    
        // Create a Service Account Credentials object
        $credentials = new ServiceAccountCredentials($scopes, $serviceAccountPath);
    
        // Fetch the access token
        $authToken = $credentials->fetchAuthToken();
    
        return $authToken['access_token'];
    }

    static function sendNotificationToTopic($topic, $json) {
        $url = 'https://fcm.googleapis.com/v1/projects/schoolmis-1c700/messages:send';
    
        $headers = [
            'Authorization: Bearer ' .self::getGoogleAccessToken(),
            'Content-Type: application/json'
        ];

        $notifications = [
            'title'             => $json["title"],
            'body'              => $json["body"],
        ];
    
        $data = [
            "title"          => $json["title"],
            "body"           => $json["body"],
            "message"           => $json["body"]
        ];
    
        $data = [
            'message' => [
                'topic' => $topic,
                'notification'     => $notifications,
                'data'             =>  $data,
            ]
        ];
    
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($data));
    
        $response = curl_exec($ch);
        curl_close($ch);
    
        return json_decode($response, true);
    }
    

}