wticreatorstudio/Modules/Subscription/Rules/ZipCodeDeliverability.php

<?php

namespace Modules\Subscription\Rules;

use Illuminate\Contracts\Validation\Rule;
use Modules\ShippingZone\Repositories\ShippingZoneRepository;

class ZipCodeDeliverability implements Rule
{
    private $shippingZoneRepository;

    /**
     * Create a new rule instance.
     *
     * @return void
     */
    public function __construct()
    {
        if (isModuleActive('ShippingZone')) {
            $this->shippingZoneRepository = new ShippingZoneRepository();
        }
    }

    /**
     * Determine if the validation rule passes.
     *
     * @param  string  $attribute
     * @param  mixed  $value
     * @return bool
     */
    public function passes($attribute, $value)
    {
        if ($this->shippingZoneRepository) {
            $zones = $this->shippingZoneRepository->getActiveAll();

            foreach ($zones as $zone) {
                if ($zone->deliverability == 'select') {
                    $areas = $zone->areas;
                    foreach ($areas as $area) {
                        if (trim($value) == trim($area->area)) {
                            return true;
                        }
                    }
                }
                else {
                    return true;
                }
            }
        }
        else {
            return true;
        }
    }

    /**
     * Get the validation error message.
     *
     * @return string
     */
    public function message()
    {
        $available_zones = [];
        $zones = $this->shippingZoneRepository->getActiveAll();

        foreach ($zones as $zone) {
            if ($zone->deliverability == 'select') {
                $areas = $zone->areas;
                foreach ($areas as $area) {
                    $available_zones[] = $area->area;
                }
            }
        }

        $available_zones = implode(', ', $available_zones);

        return 'You must be within the Geological delivery zones '.$available_zones;
    }
}