RebelCode/rcmod-eddbk-services

<?php

namespace RebelCode\EddBookings\Services\Module;

use ArrayAccess;
use Carbon\CarbonInterval;
use Dhii\Storage\Resource\SelectCapableInterface;
use InvalidArgumentException;
use Psr\Container\ContainerExceptionInterface;
use Psr\Container\ContainerInterface;
use Psr\Container\NotFoundExceptionInterface;
use RebelCode\Entity\EntityManagerInterface;
use RuntimeException;
use Exception as RootException;
use Dhii\Util\String\StringableInterface as Stringable;
use stdClass;
use Traversable;

/**
 * Functionality for retrieving the prices for a service, in the format required by EDD.
 *
 * @since [*next-version*]
 */
trait GetEddServicePricesCapableTrait
{
    /**
     * Retrieves the service prices in the format required by EDD.
     *
     * @since [*next-version*]
     *
     * @param int|string|Stringable $serviceId The ID of the service.
     *
     * @return array An array with price data elements. Each element has the keys 'index', 'name' and 'amount' which
     *               correspond to an ordinal identifier, human-friendly name and price amount respectively.
     *
     * @throws RuntimeException If a service with the given ID does not exist.
     */
    protected function _getEddServicePrices($serviceId)
    {
        try {
            $service = $this->_getServicesManager()->get($serviceId);
        } catch (NotFoundExceptionInterface $exception) {
            throw $this->_createRuntimeException(
                $this->__('Service with ID "%s" does not exist', [$serviceId]), null, $exception
            );
        }

        $types  = $this->_containerGet($service, 'session_types');
        $prices = [];
        $index  = 0;

        foreach ($types as $_type) {
            // Get the price from the data
            $_price = (float) $this->_containerGet($_type, 'price');

            try {
                // Get the session type label and use it as the price name
                $_name = $this->_containerGet($_type, 'label');
            } catch (NotFoundExceptionInterface $exception) {
                // Get the duration, format it for humans and use it as the price name
                $_data = $this->_containerGet($_type, 'data');
                $_duration = (int) $this->_containerGet($_data, 'duration');
                $_name     = CarbonInterval::seconds($_duration)->cascade()->forHumans();
            }

            $prices[] = [
                'index'  => ++$index,
                'name'   => $_name,
                'amount' => $_price,
            ];
        }

        return $prices;
    }

    /**
     * Retrieves the services manager.
     *
     * @since [*next-version*]
     *
     * @return EntityManagerInterface The services manager instance.
     */
    abstract protected function _getServicesManager();

    /**
     * Normalizes a value to its string representation.
     *
     * The values that can be normalized are any scalar values, as well as
     * {@see StringableInterface).
     *
     * @since [*next-version*]
     *
     * @param Stringable|string|int|float|bool $subject The value to normalize to string.
     *
     * @throws InvalidArgumentException If the value cannot be normalized.
     *
     * @return string The string that resulted from normalization.
     */
    abstract protected function _normalizeString($subject);

    /**
     * Counts the elements in an iterable.
     *
     * @since [*next-version*]
     *
     * @param array|stdClass|Traversable $iterable The iterable to count.
     *
     * @return int The amount of elements.
     */
    abstract protected function _countIterable($iterable);

    /**
     * Retrieves a value from a container or data set.
     *
     * @since [*next-version*]
     *
     * @param array|ArrayAccess|stdClass|ContainerInterface $container The container to read from.
     * @param string|int|float|bool|Stringable              $key       The key of the value to retrieve.
     *
     * @throws InvalidArgumentException    If container is invalid.
     * @throws ContainerExceptionInterface If an error occurred while reading from the container.
     * @throws NotFoundExceptionInterface  If the key was not found in the container.
     *
     * @return mixed The value mapped to the given key.
     */
    abstract protected function _containerGet($container, $key);

    /**
     * Creates a new Runtime exception.
     *
     * @since [*next-version*]
     *
     * @param string|Stringable|int|float|bool|null $message  The message, if any.
     * @param int|float|string|Stringable|null      $code     The numeric error code, if any.
     * @param RootException|null                    $previous The inner exception, if any.
     *
     * @return RuntimeException The new exception.
     */
    abstract protected function _createRuntimeException($message = null, $code = null, $previous = null);

    /**
     * Translates a string, and replaces placeholders.
     *
     * @since [*next-version*]
     * @see   sprintf()
     * @see   _translate()
     *
     * @param string $string  The format string to translate.
     * @param array  $args    Placeholder values to replace in the string.
     * @param mixed  $context The context for translation.
     *
     * @return string The translated string.
     */
    abstract protected function __($string, $args = [], $context = null);
}