ChatMessagesController.php

<?php
namespace App\Http\Controllers;
use GetStream\StreamChat\Client;
use Illuminate\Http\Request;
class ChatMessagesController extends Controller
{
    protected $client;
    public function __construct(){
        $this->client =  new Client(
            getenv("MIX_STREAM_API_KEY"),
            getenv("MIX_STREAM_API_SECRET"),
        );
    }
    public function generateToken(Request $request){
        try{
            return response()->json([
                'token' => $this->client->createToken($request->name)
            ], 200);
        }catch(\Exception $e){
            return response()->json([
                'errorMessage' => $e->getMessage()
            ],500);
        }
    }
    public function getChannel(Request $request){
        try{
            $from = $request->from;
            $to = $request->to;
            $from_username = $request->from_username;
            $to_username = $request->to_username;
            $channel_name = "livechat-{$from_username}-{$to_username}";
            $channel = $this->client->getChannel("messaging", $channel_name);
            $channel->create($from_username, [$to_username]);
            return response()->json([
                'channel' => $channel_name
            ], 200);
        }catch(\Exception $e){
            return response()->json([
                'errorMessage' => $e->getMessage()
            ],500);
        }
    }
}