<?php
/**
 * Created by PhpStorm.
 * User: Mead
 * Date: 2019/9/19
 * Time: 10:09 AM
 */

namespace App\Observers;

use App\Models\Parking;
use Illuminate\Support\Facades\Redis;

class ParkingObserver
{

    public function created(Parking $parking)
    {
        if (empty($parking->parking_centre)) return true;
        $centre = json_decode($parking->parking_centre, true);
        $redis = Redis::connection();
        $area_id = $parking->area_id;
        $redis->geoadd(Parking::REDIS_STOP_BIKE_SITES_TAG . "_{$area_id}", $centre[0], $centre[1], $parking->id);
    }

    public function updated(Parking $parking)
    {
        if ($parking->isDirty('area_centre')) {
            $centre = json_decode($parking->parking_centre, true);
            $redis = Redis::connection();
            $area_id = $parking->area_id;
            $redis->geoadd(Parking::REDIS_STOP_BIKE_SITES_TAG . "_{$area_id}", $centre[0], $centre[1], $parking->id);
        }
    }

    public function deleted(Parking $parking)
    {
        $area_id = $parking->area_id;
        $redis = Redis::connection();
        $redis->zrem(Parking::REDIS_STOP_BIKE_SITES_TAG . "_{$area_id}", $parking->id);
    }

}