WebStream\Annotation\Attributes\Validate::onMethodInject()

Complexity

Conditions	34
Paths	1952

Size

Total Lines	98
Code Lines	64

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	49
CRAP Score	48.8878

Importance

Changes	1
Bugs	0	Features	0

<?php
    public function onMethodInject(IAnnotatable $instance, \ReflectionMethod $method, Container $container)
    {
        $key = $this->injectAnnotation['key'];
        $rule = $this->injectAnnotation['rule'];
        $method = array_key_exists('method', $this->injectAnnotation) ?
            $this->injectAnnotation['method'] : "get";

        if ($method !== null && !array_key_exists($method, array_flip(["get", "post", "put", "delete"]))) {
            throw new ValidateException("Invalid method attribute is specified: " . $method);
        }

        // パラメータの有無にかかわらずルール定義が間違っている場合はエラー
        if (preg_match('/^([a-zA-Z][a-zA-Z0-9_]+)(?:$|\[(.+?)\]$)/', $rule, $matches)) {
            $className = ucfirst(preg_replace_callback('/_([a-zA-Z])/', function ($matches) {
                return ucfirst($matches[1]);
            }, $matches[1]));
            $classpath = null;
            $classLoader = new ClassLoader($container->applicationInfo->applicationRoot);
            $classLoader->inject('logger', $container->logger);
            $ignoreDir = $container->applicationInfo->externalLibraryRoot;
            $fileName = $className . '.php';
            $isLoaded = $classLoader->import($fileName, function ($filepath) use ($ignoreDir) {
                if ($ignoreDir === null || $ignoreDir === "") {
                    return true;
                }
                $pos = strpos($filepath, $ignoreDir);
                return $pos === false || $pos !== 0;
            });

            // デフォルトバリデーションルールのパス
            if (!$isLoaded) {
                $loadList = $classLoader->load($className);
                $loadListWithoutIgnorePathList = [];
                foreach ($loadList as $path) {
                    $pos = strpos($path, $ignoreDir);
                    if ($pos === false || $pos !== 0) {
                        $loadListWithoutIgnorePathList[] = $path;
                    }
                }

                // バリデーションルールのクラス名が複数指定されている場合は適用判断不可能なのでエラー
                if (count($loadListWithoutIgnorePathList) >= 2) {
                    $errorMsg = "Class load failed because the same class name has been identified: " . $className . "";
                    throw new ValidateException($errorMsg);
                }

                if (count($loadListWithoutIgnorePathList) === 0) {
                    $errorMsg = "Invalid Validate class: " . $className . "";
                    throw new ValidateException($errorMsg);
                }
            }

            $namespaces = $classLoader->getNamespaces($fileName);
            foreach ($namespaces as $namespace) {
                if (strpos(IValidate::class, $namespace) === 0) {
                    $classpath = $namespace . "\\" . $className;
                }
            }

            if (!class_exists($classpath)) {
                $errorMsg = "Invalid Validate class's classpath: " . $classpath;
                throw new AnnotationException($errorMsg);
            }

            $validateInstance = new $classpath();
            $params = null;
            if ($container->request->requestMethod === 'GET') {
                if ($method === null || "get" === mb_strtolower($method)) {
                    $params = $container->request->get;
                }
            } elseif ($container->request->requestMethod === 'POST') {
                if ($method === null || "post" === mb_strtolower($method)) {
                    $params = $container->request->post;
                }
            } elseif ($container->request->requestMethod === 'PUT') {
                if ($method === null || "put" === mb_strtolower($method)) {
                    $params = $container->request->put;
                }
            } elseif ($container->request->requestMethod === 'DELETE') {
                if ($method === null || "delete" === mb_strtolower($method)) {
                    $params = $container->request->delete;
                }
            } else {
                $errorMsg = "Unsupported method is specified: " . $method;
                throw new InvalidRequestException($errorMsg);
            }

            // パラメータの指定なしの場合、value=null
            // パラメータの指定ありあつ値の指定なしの場合、value=""
            $value = is_array($params) && array_key_exists($key, $params) ? $params[$key] : null;

            if (!$validateInstance->isValid($value, $rule)) {
                $errorMsg = "Validation rule error. Rule is '$rule', value is " . ($value === null || $value === '' ? "empty" : "'${value}'");
                throw new ValidateException($errorMsg);
            }
        } else {
            $errorMsg = "Invalid validation rule definition: " . $rule;
            throw new ValidateException($errorMsg);
        }