AjaxValidationController::initializeAction() - Code Metrics - Inspection of "[TASK] Move ajax validation in a controller" - romm/formz - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — unit-tests-validation ( 4a3d84...420a0c )

by Romain

created 2017-02-25 16:41 UTC

AjaxValidationController::initializeAction() A

↳ Parent: AjaxValidationController

Complexity

Conditions	2
Paths	2

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
dl	0
loc	6
rs	9.4285
c	1
b	0
f	0
cc	2
eloc	3
nc	2
nop	0

<?php
/*
 * 2017 Romain CANON <[email protected]>
 *
 * This file is part of the TYPO3 Formz project.
 * It is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License, either
 * version 3 of the License, or any later version.
 *
 * For the full copyright and license information, see:
 * http://www.gnu.org/licenses/gpl-3.0.html
 */

namespace Romm\Formz\Controller;

use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
use Romm\Formz\Configuration\Form\Field\Validation\Validation;
use Romm\Formz\Configuration\Form\Form;
use Romm\Formz\Core\Core;
use Romm\Formz\Exceptions\EntryNotFoundException;
use Romm\Formz\Exceptions\InvalidConfigurationException;
use Romm\Formz\Exceptions\MissingArgumentException;
use Romm\Formz\Form\FormInterface;
use Romm\Formz\Form\FormObject;
use Romm\Formz\Form\FormObjectFactory;
use Romm\Formz\Service\ContextService;
use Romm\Formz\Service\ExtensionService;
use Romm\Formz\Validation\DataObject\ValidatorDataObject;
use TYPO3\CMS\Core\Utility\GeneralUtility;
use TYPO3\CMS\Extbase\Error\Result;
use TYPO3\CMS\Extbase\Mvc\View\JsonView;
use TYPO3\CMS\Extbase\Mvc\Web\Request;
use TYPO3\CMS\Extbase\Reflection\ObjectAccess;
use TYPO3\CMS\Extbase\Reflection\ReflectionService;
use TYPO3\CMS\Extbase\Validation\Validator\ValidatorInterface;

class AjaxValidationController extends ActionController
{
    const ARGUMENT_FORM_CLASS_NAME = 'formClassName';
    const ARGUMENT_FORM_NAME = 'formName';
    const ARGUMENT_FORM = 'form';
    const ARGUMENT_FIELD_NAME = 'fieldName';
    const ARGUMENT_VALIDATOR_NAME = 'validatorName';

    const DEFAULT_ERROR_MESSAGE_KEY = 'default_error_message';

    /**
     * @var array
     */
    public static $requiredArguments = [
        self::ARGUMENT_FORM_CLASS_NAME,
        self::ARGUMENT_FORM_NAME,
        self::ARGUMENT_FORM,
        self::ARGUMENT_FIELD_NAME,
        self::ARGUMENT_VALIDATOR_NAME
    ];

    /**
     * @var JsonView
     */
    protected $view;

    /**
     * @var string
     */
    protected $defaultViewObjectName = JsonView::class;

    /**
     * @var Request
     */
    protected $request;

    /**
     * @var bool
     */
    protected $protectedRequestMode = true;

    /**
     * @var string
     */
    protected $formClassName;

    /**
     * @var string
     */
    protected $formName;

    /**
     * @var array
     */
    protected $form;

    /**
     * @var string
     */
    protected $fieldName;

    /**
     * @var string
     */
    protected $validatorName;

    /**
     * @var FormObject
     */
    protected $formObject;

    /**
     * The only accepted method for the request is `POST`.
     */
    public function initializeAction()
    {
        if ($this->request->getMethod() !== 'POST') {
            $this->throwStatus(400);
        }
    }

    /**
     * Main action that will render the validation result.
     */
    public function runAction()
    {
        $result = ($this->protectedRequestMode)
            ? $this->getProtectedRequestResult()
            : $this->getRequestResult();

        $this->view->setVariablesToRender(['result']);
        $this->view->assign('result', $result);
    }

    /**
     * @param bool $flag
     */
    public function setProtectedRequestMode($flag)
    {
        $this->protectedRequestMode = (bool)$flag;
    }

    /**
     * Will fetch the result and prevent any exception or external message to be
     * displayed.
     *
     * @return array
     */
    protected function getProtectedRequestResult()
    {
        // Default technical error result if the function can not be reached.
        $result = [
            'success' => false,
            'message' => [ContextService::get()->translate(self::DEFAULT_ERROR_MESSAGE_KEY)]
        ];

        // We prevent any external message to be displayed here.
        ob_start();

        try {
            $result = $this->getRequestResult();
        } catch (\Exception $exception) {
            $result['data'] = ['errorCode' => $exception->getCode()];

            if (ExtensionService::get()->isInDebugMode()) {
                $result['message'] = 'Debug mode – ' . $exception->getMessage();
            }
        }

        ob_end_clean();

        return $result;
    }

    /**
     * Will get the result of the validation for this Ajax request.
     *
     * If any error is found, an exception is thrown.
     *
     * @return array
     */
    protected function getRequestResult()
    {
        $this->initializeArguments();

        $this->formObject = $this->getFormObject();
        $this->checkConfigurationValidationResult();
        $validation = $this->getFieldValidation();
        $form = $this->buildObject();
        $fieldValue = ObjectAccess::getProperty($form, $this->fieldName);
        $validatorDataObject = new ValidatorDataObject($this->formObject, $form, $validation);

        /** @var ValidatorInterface $validator */
        $validator = GeneralUtility::makeInstance(
            $validation->getClassName(),
            $validation->getOptions(),
            $validatorDataObject
        );

        return $this->convertResultToJson($validator->validate($fieldValue));
    }

    /**
     * Initializes all arguments for the request, and returns an array
     * containing the missing arguments.
     */
    protected function initializeArguments()
    {
        $argumentsMissing = [];

        foreach (self::$requiredArguments as $argument) {
            $argumentValue = $this->getArgument($argument);

            if ($argumentValue) {
                $this->$argument = $argumentValue;
            } else {
                $argumentsMissing[] = $argument;
            }
        }

        if (false === empty($argumentsMissing)) {
            throw new MissingArgumentException(
                'One or more arguments are missing in the request: "' . implode('", "', $argumentsMissing) . '".',
                1487673983
            );
        }
    }

    /**
     * @return FormObject
     */
    protected function getFormObject()
    {
        /** @var FormObjectFactory $formObjectFactory */
        $formObjectFactory = Core::instantiate(FormObjectFactory::class);

        return $formObjectFactory->getInstanceFromClassName($this->formClassName, $this->formName);
    }

    /**
     * @throws InvalidConfigurationException
     */
    protected function checkConfigurationValidationResult()
    {
        $validationResult = $this->formObject->getConfigurationValidationResult();

        if (true === $validationResult->hasErrors()) {
            throw new InvalidConfigurationException(
                'The form configuration contains errors.',
                1487671395
            );
        }
    }

    /**
     * @return Validation
     * @throws EntryNotFoundException
     * @throws InvalidConfigurationException
     */
    protected function getFieldValidation()
    {
        $formConfiguration = $this->getFormConfiguration($this->formObject);
        $field = $formConfiguration->getField($this->fieldName);

        if (false === $field->hasValidation($this->validatorName)) {
            throw new EntryNotFoundException(
                'The field "' . $this->fieldName . '" does not have a rule "' . $this->validatorName . '".',
                1487672956
            );
        }

        $fieldValidationConfiguration = $field->getValidationByName($this->validatorName);

        if (false === $fieldValidationConfiguration->doesUseAjax()) {
            throw new InvalidConfigurationException(
                'The validation "' . $this->validatorName . '" of the field "' . $this->fieldName . '" is not configured to work with Ajax. Please add the option "useAjax".',
                1487673434
            );
        }

        return $fieldValidationConfiguration;
    }

    /**
     * @param FormObject $formObject
     * @return Form
     * @throws EntryNotFoundException
     */
    protected function getFormConfiguration(FormObject $formObject)
    {
        $formConfiguration = $formObject->getConfiguration();

        if (false === $formConfiguration->hasField($this->fieldName)) {
            throw new EntryNotFoundException(
                'The field "' . $this->fieldName . '" was not found in the form "' . $this->formName . '" with class "' . $this->formClassName . '".',
                1487671603
            );
        }

        return $formConfiguration;
    }

    /**
     * Will build and fill an object with a form sent value.
     *
     * @return FormInterface
     */
    protected function buildObject()
    {
        $values = $this->cleanValuesFromUrl($this->form);
        /** @var ReflectionService $reflectionService */
        $reflectionService = Core::instantiate(ReflectionService::class);
        /** @var FormInterface $object */
        $object = Core::instantiate($this->formClassName);
        $properties = $reflectionService->getClassPropertyNames($this->formClassName);

        foreach ($properties as $propertyName) {
            if (ObjectAccess::isPropertySettable($object, $propertyName)
                && isset($values[$propertyName])
            ) {
                ObjectAccess::setProperty($object, $propertyName, $values[$propertyName]);
            }
        }

        return $object;
    }

    /**
     * Will convert the result of the function called by this class in a JSON
     * string.
     *
     * @param Result $result
     * @return array
     */
    protected function convertResultToJson(Result $result)
    {
        $error = ($result->hasErrors())
            ? $result->getFirstError()->getMessage()
            : '';

        return [
            'success' => !$result->hasErrors(),
            'message' => $error
        ];
    }

    /**
     * @param string $name
     * @return mixed
     */
    protected function getArgument($name)
    {
        return GeneralUtility::_GP($name);
    }

    /**
     * Will clean the string filled with form values sent with Ajax.
     *
     * @param array $values
     * @return array
     */
    protected function cleanValuesFromUrl($values)
    {
        // Cleaning the given form values.
        $values = reset($values);
        unset($values['__referrer']);
        unset($values['__trustedProperties']);

        return reset($values);
    }
}


1			<?php
2			/*
3			* 2017 Romain CANON <[email protected]>
4			*
5			* This file is part of the TYPO3 Formz project.
6			* It is free software; you can redistribute it and/or modify it
7			* under the terms of the GNU General Public License, either
8			* version 3 of the License, or any later version.
9			*
10			* For the full copyright and license information, see:
11			* http://www.gnu.org/licenses/gpl-3.0.html
12			*/
13
14			namespace Romm\Formz\Controller;
15
16			use TYPO3\CMS\Extbase\Mvc\Controller\ActionController;
17			use Romm\Formz\Configuration\Form\Field\Validation\Validation;
18			use Romm\Formz\Configuration\Form\Form;
19			use Romm\Formz\Core\Core;
20			use Romm\Formz\Exceptions\EntryNotFoundException;
21			use Romm\Formz\Exceptions\InvalidConfigurationException;
22			use Romm\Formz\Exceptions\MissingArgumentException;
23			use Romm\Formz\Form\FormInterface;
24			use Romm\Formz\Form\FormObject;
25			use Romm\Formz\Form\FormObjectFactory;
26			use Romm\Formz\Service\ContextService;
27			use Romm\Formz\Service\ExtensionService;
28			use Romm\Formz\Validation\DataObject\ValidatorDataObject;
29			use TYPO3\CMS\Core\Utility\GeneralUtility;
30			use TYPO3\CMS\Extbase\Error\Result;
31			use TYPO3\CMS\Extbase\Mvc\View\JsonView;
32			use TYPO3\CMS\Extbase\Mvc\Web\Request;
33			use TYPO3\CMS\Extbase\Reflection\ObjectAccess;
34			use TYPO3\CMS\Extbase\Reflection\ReflectionService;
35			use TYPO3\CMS\Extbase\Validation\Validator\ValidatorInterface;
36
37			class AjaxValidationController extends ActionController
38			{
39			const ARGUMENT_FORM_CLASS_NAME = 'formClassName';
40			const ARGUMENT_FORM_NAME = 'formName';
41			const ARGUMENT_FORM = 'form';
42			const ARGUMENT_FIELD_NAME = 'fieldName';
43			const ARGUMENT_VALIDATOR_NAME = 'validatorName';
44
45			const DEFAULT_ERROR_MESSAGE_KEY = 'default_error_message';
46
47			/**
48			* @var array
49			*/
50			public static $requiredArguments = [
51			self::ARGUMENT_FORM_CLASS_NAME,
52			self::ARGUMENT_FORM_NAME,
53			self::ARGUMENT_FORM,
54			self::ARGUMENT_FIELD_NAME,
55			self::ARGUMENT_VALIDATOR_NAME
56			];
57
58			/**
59			* @var JsonView
60			*/
61			protected $view;
62
63			/**
64			* @var string
65			*/
66			protected $defaultViewObjectName = JsonView::class;
67
68			/**
69			* @var Request
70			*/
71			protected $request;
72
73			/**
74			* @var bool
75			*/
76			protected $protectedRequestMode = true;
77
78			/**
79			* @var string
80			*/
81			protected $formClassName;
82
83			/**
84			* @var string
85			*/
86			protected $formName;
87
88			/**
89			* @var array
90			*/
91			protected $form;
92
93			/**
94			* @var string
95			*/
96			protected $fieldName;
97
98			/**
99			* @var string
100			*/
101			protected $validatorName;
102
103			/**
104			* @var FormObject
105			*/
106			protected $formObject;
107
108			/**
109			* The only accepted method for the request is `POST`.
110			*/
111			public function initializeAction()
112			{
113			if ($this->request->getMethod() !== 'POST') {
114			$this->throwStatus(400);
115			}
116			}
117
118			/**
119			* Main action that will render the validation result.
120			*/
121			public function runAction()
122			{
123			$result = ($this->protectedRequestMode)
124			? $this->getProtectedRequestResult()
125			: $this->getRequestResult();
126
127			$this->view->setVariablesToRender(['result']);
128			$this->view->assign('result', $result);
129			}
130
131			/**
132			* @param bool $flag
133			*/
134			public function setProtectedRequestMode($flag)
135			{
136			$this->protectedRequestMode = (bool)$flag;
137			}
138
139			/**
140			* Will fetch the result and prevent any exception or external message to be
141			* displayed.
142			*
143			* @return array
144			*/
145			protected function getProtectedRequestResult()
146			{
147			// Default technical error result if the function can not be reached.
148			$result = [
149			'success' => false,
150			'message' => [ContextService::get()->translate(self::DEFAULT_ERROR_MESSAGE_KEY)]
151			];
152
153			// We prevent any external message to be displayed here.
154			ob_start();
155
156			try {
157			$result = $this->getRequestResult();
158			} catch (\Exception $exception) {
159			$result['data'] = ['errorCode' => $exception->getCode()];
160
161			if (ExtensionService::get()->isInDebugMode()) {
162			$result['message'] = 'Debug mode – ' . $exception->getMessage();
163			}
164			}
165
166			ob_end_clean();
167
168			return $result;
169			}
170
171			/**
172			* Will get the result of the validation for this Ajax request.
173			*
174			* If any error is found, an exception is thrown.
175			*
176			* @return array
177			*/
178			protected function getRequestResult()
179			{
180			$this->initializeArguments();
181
182			$this->formObject = $this->getFormObject();
183			$this->checkConfigurationValidationResult();
184			$validation = $this->getFieldValidation();
185			$form = $this->buildObject();
186			$fieldValue = ObjectAccess::getProperty($form, $this->fieldName);
187			$validatorDataObject = new ValidatorDataObject($this->formObject, $form, $validation);
188
189			/** @var ValidatorInterface $validator */
190			$validator = GeneralUtility::makeInstance(
191			$validation->getClassName(),
192			$validation->getOptions(),
193			$validatorDataObject
194			);
195
196			return $this->convertResultToJson($validator->validate($fieldValue));
197			}
198
199			/**
200			* Initializes all arguments for the request, and returns an array
201			* containing the missing arguments.
202			*/
203			protected function initializeArguments()
204			{
205			$argumentsMissing = [];
206
207			foreach (self::$requiredArguments as $argument) {
208			$argumentValue = $this->getArgument($argument);
209
210			if ($argumentValue) {
211			$this->$argument = $argumentValue;
212			} else {
213			$argumentsMissing[] = $argument;
214			}
215			}
216
217			if (false === empty($argumentsMissing)) {
218			throw new MissingArgumentException(
219			'One or more arguments are missing in the request: "' . implode('", "', $argumentsMissing) . '".',
220			1487673983
221			);
222			}
223			}
224
225			/**
226			* @return FormObject
227			*/
228			protected function getFormObject()
229			{
230			/** @var FormObjectFactory $formObjectFactory */
231			$formObjectFactory = Core::instantiate(FormObjectFactory::class);
232
233			return $formObjectFactory->getInstanceFromClassName($this->formClassName, $this->formName);
234			}
235
236			/**
237			* @throws InvalidConfigurationException
238			*/
239			protected function checkConfigurationValidationResult()
240			{
241			$validationResult = $this->formObject->getConfigurationValidationResult();
242
243			if (true === $validationResult->hasErrors()) {
244			throw new InvalidConfigurationException(
245			'The form configuration contains errors.',
246			1487671395
247			);
248			}
249			}
250
251			/**
252			* @return Validation
253			* @throws EntryNotFoundException
254			* @throws InvalidConfigurationException
255			*/
256			protected function getFieldValidation()
257			{
258			$formConfiguration = $this->getFormConfiguration($this->formObject);
259			$field = $formConfiguration->getField($this->fieldName);
260
261			if (false === $field->hasValidation($this->validatorName)) {
262			throw new EntryNotFoundException(
263			'The field "' . $this->fieldName . '" does not have a rule "' . $this->validatorName . '".',
264			1487672956
265			);
266			}
267
268			$fieldValidationConfiguration = $field->getValidationByName($this->validatorName);
269
270			if (false === $fieldValidationConfiguration->doesUseAjax()) {
271			throw new InvalidConfigurationException(
272			'The validation "' . $this->validatorName . '" of the field "' . $this->fieldName . '" is not configured to work with Ajax. Please add the option "useAjax".',
273			1487673434
274			);
275			}
276
277			return $fieldValidationConfiguration;
278			}
279
280			/**
281			* @param FormObject $formObject
282			* @return Form
283			* @throws EntryNotFoundException
284			*/
285			protected function getFormConfiguration(FormObject $formObject)
286			{
287			$formConfiguration = $formObject->getConfiguration();
288
289			if (false === $formConfiguration->hasField($this->fieldName)) {
290			throw new EntryNotFoundException(
291			'The field "' . $this->fieldName . '" was not found in the form "' . $this->formName . '" with class "' . $this->formClassName . '".',
292			1487671603
293			);
294			}
295
296			return $formConfiguration;
297			}
298
299			/**
300			* Will build and fill an object with a form sent value.
301			*
302			* @return FormInterface
303			*/
304			protected function buildObject()
305			{
306			$values = $this->cleanValuesFromUrl($this->form);
307			/** @var ReflectionService $reflectionService */
308			$reflectionService = Core::instantiate(ReflectionService::class);
309			/** @var FormInterface $object */
310			$object = Core::instantiate($this->formClassName);
311			$properties = $reflectionService->getClassPropertyNames($this->formClassName);
312
313			foreach ($properties as $propertyName) {
314			if (ObjectAccess::isPropertySettable($object, $propertyName)
315			&& isset($values[$propertyName])
316			) {
317			ObjectAccess::setProperty($object, $propertyName, $values[$propertyName]);
318			}
319			}
320
321			return $object;
322			}
323
324			/**
325			* Will convert the result of the function called by this class in a JSON
326			* string.
327			*
328			* @param Result $result
329			* @return array
330			*/
331			protected function convertResultToJson(Result $result)
332			{
333			$error = ($result->hasErrors())
334			? $result->getFirstError()->getMessage()
335			: '';
336
337			return [
338			'success' => !$result->hasErrors(),
339			'message' => $error
340			];
341			}
342
343			/**
344			* @param string $name
345			* @return mixed
346			*/
347			protected function getArgument($name)
348			{
349			return GeneralUtility::_GP($name);
350			}
351
352			/**
353			* Will clean the string filled with form values sent with Ajax.
354			*
355			* @param array $values
356			* @return array
357			*/
358			protected function cleanValuesFromUrl($values)
359			{
360			// Cleaning the given form values.
361			$values = reset($values);
362			unset($values['__referrer']);
363			unset($values['__trustedProperties']);
364
365			return reset($values);
366			}
367			}
368

romm / formz

Push — unit-tests-validation ( 4a3d84...420a0c )

AjaxValidationController::initializeAction() A

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