Yiisoft\Factory\Definitions\ClassDefinition

Complexity

Total Complexity

13

Size/Duplication

Total Lines	80
Duplicated Lines	0 %

Test Coverage

Coverage

44.12%

Importance

Changes	2
Bugs	0	Features	0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	resolveUnionType()	0	24	5
A	resolve()	0	20	5
A	__construct()	0	4	1
A	getType()	0	3	1
A	isUnionType()	0	3	1

<?php

declare(strict_types=1);

namespace Yiisoft\Factory\Definitions;

use Psr\Container\ContainerInterface;
use Yiisoft\Factory\Exceptions\InvalidConfigException;
use function gettype;

/**
 * Reference points to a class name in the container
 */
class ClassDefinition implements DefinitionInterface
{
    private string $class;
    private bool $optional;

    /**
     * Constructor.
     *
     * @param string $class the class name
     * @param bool $optional if null should be returned instead of throwing an exception
     */
    public function __construct(string $class, bool $optional)
    {
        $this->class = $class;
        $this->optional = $optional;
    }

    public function getType(): string
    {
        return $this->class;
    }

    public function resolve(ContainerInterface $container)
    {
        if ($this->isUnionType()) {
            return $this->resolveUnionType($container);
        }

        try {
            $result = $container->get($this->class);
        } catch (\Throwable $t) {
            if ($this->optional) {
                return null;
            }
            throw $t;
        }

        if (!$result instanceof $this->class) {
            $actualType = gettype($this->class);
            throw new InvalidConfigException("Container returned incorrect type \"$actualType\" for service \"$this->class\".");
        }
        return $result;
    }

    /**
     * @param ContainerInterface $container
     *
     * @throws \Throwable
     *
     * @return mixed
     */
    private function resolveUnionType(ContainerInterface $container)
    {
        $types = explode('|', $this->class);

        $error = null;

        foreach ($types as $type) {
            try {
                $result = $container->get($type);
                if (!$result instanceof $type) {
                    $actualType = gettype($this->class);
                    throw new InvalidConfigException("Container returned incorrect type \"$actualType\" for service \"$this->class\".");
                }
                return $result;
            } catch (\Throwable $t) {
                $error = $t;
            }
        }

        if ($this->optional) {
            return null;
        }

        throw $error;
    }

    private function isUnionType(): bool
    {
        return strpos($this->class, '|') !== false;
    }
}