google fcm 推送的流程

总结：
1.给一个人推，能成功，
2.给多个人推，有两种，一种是给组推，一种是给主题推，之前用的是组推，但是不成功，这里换成主题推；

<?php
namespace App\Http\Controllers;

use App\Http\Controllers\Controller;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;

use paragraph1\phpFCM\Client;
use paragraph1\phpFCM\Message;
use paragraph1\phpFCM\Recipient\Device;
use paragraph1\phpFCM\Notification;

class FcmController extends Controller{

    private $apikey;
    public function __construct()
    {
        $this->apikey=\'自己应用的apikey\';

    }

    //用Fcm推送消息
    public function push($content=\'\',$fcmtoken=\'\'){
        $apiKey = $this->apikey;
        $client = new Client();
        $client->setApiKey($apiKey);
        $client->injectHttpClient(new \GuzzleHttp\Client());

//        $note = new Notification(\'test title\', \'现在时间是 \'.date(\'Y-m-d H:i:s\'));
        $note = new Notification(\'\', $content);
        $note->setIcon(\'smile\')
            ->setColor(\'#ffffff\')
            ->setBadge(1);

        $message = new Message();
        $message->addRecipient(new Device($fcmtoken));
        $message->setNotification($note)
            ->setData(array(\'someId\' =>11112));
        $message->setNotification($note);

        $response = $client->send($message);
        var_dump($response->getStatusCode());
    }

    /**
     * 这里没用了
     * @param array $requestData
     * @return bool
     */
    public function old_insertIntoGroup($requestData=[]){
        if(!$requestData[\'tuid\'] || !$requestData[\'version\'] || !$requestData[\'fcmtoken\'] ){
            return false;
        }

        //创建和添加设备组的 url
        $url = \'https://android.googleapis.com/gcm/notification\';

        $header = [
            \'Content-Type:application/json\',
            \'Authorization:key=\'.$this->apikey,
            \'project_id:自己项目id\',

        ];
        $groupkey=\'\';
        //先查找表中最近新的设备组的key,若key里面的子账号已经达到一定数目，就新建一个组
        $gdata=DB::select(\'select count(id) num,groupkey from zeai_andro_push group by groupkey order by id desc limit 1;\');
//        $gdata=DB::select(\'select groupkey from zeai_andro_push order by id desc limit 1;\');

        //确保能有推送fcmtoken
        if( !DB::table(\'zeai_andro_push\')->where([\'tuid\'=>$requestData[\'tuid\']])->count([\'id\'])) {
            $requestData[\'groupkey\'] = $gdata[0]->groupkey;
            DB::table(\'zeai_andro_push\')->insertGetId($requestData);
        }
        $groupkey=$gdata[0]->groupkey;
        $data = [
            "operation"=>"add",
            "notification_key_name"=> "appUser-Chris",//设备组名
            "notification_key"=>$groupkey,
            "registration_ids"=>[$requestData[\'fcmtoken\']]
        ];

        $res =  json_decode( $this->http($url,$data,\'post\',$header) ,true);
        if (isset($res[\'notification_key\'])){
            $res=DB::table(\'zeai_andro_push\')
                ->where([\'tuid\'=>$requestData[\'tuid\']])
                ->update([
                    \'groupkey\'=>$res[\'notification_key\']
                ]);
            return  $res ? true : false;
        }else{
            //一个设备组是否满员未能测试 如果运行到这里 可以根据返回的提示
            return false;
        }

    }

    /**
     * 添加用户的主题，保存用户的fcmtoken
     * @param array $requestData
     * @return bool
     */
    public function insertIntoGroup($requestData=[]){
        if(!$requestData[\'tuid\'] || !$requestData[\'version\'] || !$requestData[\'fcmtoken\'] ){
            return false;
        }
        $this->oldmyTopic($requestData[\'fcmtoken\']);
        //先查找表中最近新的设备组的key,若key里面的子账号已经达到一定数目，就新建一个组

        //确保能有推送fcmtoken
        if( !DB::table(\'zeai_andro_push\')->where([\'tuid\'=>$requestData[\'tuid\']])->count([\'id\'])) {
            $requestData[\'groupkey\'] = 0;
            DB::table(\'zeai_andro_push\')->insertGetId($requestData);
        }

    }
    //创建设备组
    public function createGroup($fcmtoken=\'\'){
        //创建和添加设备组的 url
        $url = \'https://android.googleapis.com/gcm/notification\';
        $header = [
            \'Content-Type:application/json\',
            \'Authorization:key=\'.$this->apikey,
            \'project_id:196236249110\',
        ];
        $data = [
            "operation"=>"create",
            "notification_key_name"=> (string)time(),//设备组名
            "registration_ids"=>[$fcmtoken]
        ];
        $res =  json_decode( $this->http($url,$data,\'post\',$header) ,true);
        return $res[\'notification_key\'];
    }

    //向主题发送消息
    public function sendMessageToGroup(){
        $url = \'https://fcm.googleapis.com/fcm/send\';
        $header = [
            \'Content-Type:application/json\',
            \'Authorization:key=\'.$this->apikey,
            \'project_id:196236249110\',
        ];
        $data=[
            \'to\'=>\'/topics/自己的主题名\',
            "notification"=>[
                \'body\'=>"^_^ Come and get the coins.There are a lot of new tasks. ^_^",
                \'title\'=>\'\',
                \'icon\'=>\'myicon\'
            ],
        ];
        $res = $this->http($url,$data,\'post\',$header);
        var_dump($res);
    }

    /**
     * 获取自己的主题内容
     */
    private function myTopic($fcmtoken=\'\')
    {
        $url=\'https://iid.googleapis.com/iid/info/\'.$fcmtoken.\'?details=true\';
        $header = [
//            \'Content-Type:application/json\',
            \'Authorization:key=\'.$this->apikey,
            \'details:true\',
        ];
        $res=$this->http($url,\'\',\'get\',$header);
        var_dump($res);
    }

    /**
     * 给自己添加主题 wdwdinstagram
     * @param $fcmtoken
     */
    private function oldmyTopic($fcmtoken)
    {
        $url=\'https://iid.googleapis.com/iid/v1/\'.$fcmtoken.\'/rel/topics/自己的主题名\';
        $header = [
            \'Content-Type:application/json\',
            \'Authorization:key=\'.$this->apikey,
            \'Content-Length: 0\',
        ];
        $this->http($url,\'\',\'post\',$header);
    }
}