geolook/app/Http/Controllers/Telegram.php

<?php

namespace App\Http\Controllers;

use App\Location;
use App\User;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Log;

class Telegram extends Controller
{
    public function locations(Request $request){

        $message = $request['message'];

        if (isset($message['text'])){
            $text = substr($message['text'], 0, 1);

            if($text == '/'){
                \Telegram\Bot\Laravel\Facades\Telegram::commandsHandler(true);
            }
        }

        if (isset($message['location'])) {
            $user = User::where('telegram_id', $message['from']['id'])->first();

            if ($user){
                $lastLocation = $user->lastCoordinates;

                if ($lastLocation){
                    $minLat = $message['location']['latitude'] - 0.0005;
                    $maxLat = $message['location']['latitude'] + 0.0005;
                    $minLng = $message['location']['longitude'] - 0.0008;
                    $maxLng = $message['location']['longitude'] + 0.0008;
                    $newLat = false;
                    $newLng = false;

                    if ($lastLocation->lat < $minLat || $lastLocation->lat > $maxLat){
                        $newLat = $message['location']['latitude'];
                    }

                    if ($lastLocation->lng < $minLng || $lastLocation->lng > $maxLng){
                        $newLng = $message['location']['longitude'];
                    }

                    if($newLat || $newLng){
                        $newLocation = new Location();
                        $newLocation->lat = $newLat ?: $lastLocation->lat;
                        $newLocation->lng = $newLng ?: $lastLocation->lng;
                        $newLocation->user_id = $user->id;
                        $newLocation->save();
                        Log::info('я сохранил новую координату');
                    }

                } else {
                    $newLocation = new Location();
                    $newLocation->lat = $message['location']['latitude'];
                    $newLocation->lng = $message['location']['longitude'];
                    $newLocation->user_id = $user->id;
                    $newLocation->save();
                }
            }
        }
    }
}