Spiral\Core\Internal\Actor::createInstance()

Complexity

Conditions	14
Paths	551

Size

Total Lines	106
Code Lines	70

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	68
CRAP Score	14.0045

Importance

Changes	2
Bugs	0	Features	0

<?php
    private function createInstance(
        Ctx $ctx,
        array $arguments,
        ?Actor $fallbackActor,
        Tracer $tracer,
    ): object {
        $class = $ctx->class;
        try {
            $ctx->reflection = $reflection = new \ReflectionClass($class);
        } catch (\ReflectionException $e) {
            throw new ContainerException($e->getMessage(), $e->getCode(), $e);
        }

        // Check Scope attribute
        $actor = $fallbackActor ?? $this;
        if ($this->options->checkScope) { # todo
            $ar = ($reflection->getAttributes(Attribute\Scope::class)[0] ?? null);
            if ($ar !== null) {
                /** @var Attribute\Scope $attr */
                $attr = $ar->newInstance();
                $scope = $this->scope;
                $actor = $this;
                // Go through all parent scopes
                $needed = $actor;
                while ($attr->name !== $scope->getScopeName()) {
                    $needed = $scope->getParentActor();
                    if ($needed === null) {
                        throw new BadScopeException($attr->name, $class);
                    }

                    $scope = $scope->getParentScope();
                }

                // Scope found
                $actor = $needed;
            }
        } # todo

        // We have to construct class using external injector when we know the exact context
        if ($arguments === [] && $actor->binder->hasInjector($class)) {
            return $actor->resolveInjector($actor->state->bindings[$ctx->class], $ctx, $arguments, $tracer);
        }

        if (!$reflection->isInstantiable()) {
            $itIs = match (true) {
                $reflection->isEnum() => 'Enum',

The method isEnum() does not exist on ReflectionClass.

                $reflection->isAbstract() => 'Abstract class',
                default => 'Class',
            };
            throw TracedContainerException::createWithTrace(
                \sprintf('%s `%s` can not be constructed.', $itIs, $class),
                $tracer->getTraces(),
            );
        }

        $constructor = $reflection->getConstructor();

        if ($constructor !== null) {
            try {
                $newScope = $this !== $actor;
                $debug = [
                    'action' => 'resolve arguments',
                    'alias' => $ctx->class,
                    'signature' => $constructor,
                ];
                $newScope and $debug += [
                    'jump to scope' => $actor->scope->getScopeName(),
                    'from scope' => $this->scope->getScopeName(),
                ];
                $tracer->push($newScope, ...$debug);
                $tracer->push(true);
                $args = $actor->resolver->resolveArguments($constructor, $arguments, $actor->options->validateArguments);
            } catch (\Throwable $e) {
                throw TracedContainerException::createWithTrace(
                    \sprintf(
                        "Can't resolve `%s`.",
                        $tracer->getRootAlias(),
                    ), $tracer->getTraces(), $e
                );
            } finally {
                $tracer->pop($newScope);
                $tracer->pop(false);
            }
            try {
                // Using constructor with resolved arguments
                $tracer->push(false, call: "$class::__construct", arguments: $args);

$class.'::__construct' of type string is incompatible with the type boolean expected by parameter $nextLevel of Spiral\Core\Internal\Tracer::push().

                $tracer->push(true);
                $instance = new $class(...$args);
            } catch (\TypeError $e) {
                throw new WrongTypeException($constructor, $e);
            } catch (TracedContainerException $e) {
                throw $e::createWithTrace(\sprintf(
                    'Can\'t resolve `%s`: failed constructing `%s`.',
                    $tracer->getRootAlias(),
                    $class,
                ), $tracer->getTraces(), $e);
            } finally {
                $tracer->pop(true);
                $tracer->pop(false);
            }
        } else {
            // No constructor specified
            $instance = $reflection->newInstance();
        }

        return $actor->registerInstance($ctx, $instance);
    }