GenerateResponseCommand::interact() - Code Metrics - Inspection of "Refactored UI into its own package" - keeko/tools - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( dd800d...af5658 )

by Thomas

created 2016-04-20 15:38 UTC

GenerateResponseCommand::interact() A

↳ Parent: GenerateResponseCommand

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	4

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	2

Importance

Changes	5
Bugs	0	Features	0

Metric	Value
c	5
b	0
f	0
dl	0
loc	6
rs	9.4285
ccs	0
cts	5
cp	0
cc	1
eloc	4
nc	1
nop	2
crap	2

<?php
namespace keeko\tools\command;

use gossi\codegen\model\PhpClass;
use keeko\tools\generator\GeneratorFactory;
use keeko\tools\generator\responder\ApiJsonResponderGenerator;
use keeko\tools\generator\responder\SkeletonHtmlResponderGenerator;
use keeko\tools\generator\responder\SkeletonJsonResponderGenerator;
use keeko\tools\generator\responder\ToManyRelationshipJsonResponderGenerator;
use keeko\tools\generator\responder\ToOneRelationshipJsonResponderGenerator;
use keeko\tools\generator\responder\TwigHtmlResponderGenerator;
use keeko\tools\helpers\QuestionHelperTrait;
use keeko\tools\ui\ResponseUI;
use keeko\tools\utils\NamespaceResolver;
use phootwork\collection\Set;
use phootwork\file\File;
use phootwork\lang\Text;
use Symfony\Component\Console\Input\InputArgument;
use Symfony\Component\Console\Input\InputInterface;
use Symfony\Component\Console\Input\InputOption;
use Symfony\Component\Console\Output\OutputInterface;

class GenerateResponseCommand extends AbstractKeekoCommand {

	use QuestionHelperTrait;
	
	protected $traits;
	
	protected function configure() {
		$this->traits = new Set();
		
		$this
			->setName('generate:response')
			->setDescription('Generates code for a responder')
			->addArgument(
				'name',
				InputArgument::OPTIONAL,
				'The name of the action, which should be generated. Typically in the form %nomen%-%verb% (e.g. user-create)'
			)
			->addOption(
				'model',
				'm',
				InputOption::VALUE_OPTIONAL,
				'The model for which the response should be generated, when there is no name argument (if ommited all models will be generated)'
			)
			->addOption(
				'format',
				'',
				InputOption::VALUE_OPTIONAL,
				'The response format to create',
				'json'
			)
			->addOption(
				'template',
				'',
				InputOption::VALUE_OPTIONAL,
				'The template for the body method (blank or twig)',
				'blank'
			)
			->addOption(
				'serializer',
				'',
				InputOption::VALUE_OPTIONAL,
				'The serializer to be used for the json api template'
			)
		;
		
		$this->configureGenerateOptions();

		parent::configure();
	}

	/**
	 * Checks whether actions can be generated at all by reading composer.json and verify
	 * all required information are available
	 */
	private function preCheck() {
		$module = $this->packageService->getModule();
		if ($module === null || count($module->getActionNames()) == 0) {
			throw new \DomainException('No action definition found in composer.json - please run `keeko generate:action`.');
		}
	}

	protected function interact(InputInterface $input, OutputInterface $output) {
		$this->preCheck();
		
		$ui = new ResponseUI($this);
		$ui->show();
	}

	protected function execute(InputInterface $input, OutputInterface $output) {
		$this->preCheck();
		
		$name = $input->getArgument('name');
		$model = $input->getOption('model');

		// generate responser for a specific action
		if ($name) {
			$this->generateResponder($name);
		}
		
		// generate a responder for a specific model
		else if ($model) {
			$this->generateModel($model);
		}
		
		// generate responders for all models
		else {
			foreach ($this->modelService->getModels() as $model) {
				$this->generateModel($model->getOriginCommonName());
			}
		}
		
		$this->packageService->savePackage();
	}
	
	protected function generateModel($modelName) {
		$model = $this->modelService->getModel($modelName);
		$types = $model->isReadOnly() ? ['read', 'list'] : ['read', 'list', 'create', 'update', 'delete'];
	
		// generate responders for crud actions
		foreach ($types as $type) {
			$actionName = $modelName . '-' . $type;
	
			$this->generateResponder($actionName);
		}
		
		// generate responders for relationships
		if (!$model->isReadOnly()) {
			$types = [
				'one' => ['read', 'update'],
				'many' => ['read', 'add', 'update', 'remove']
			];
			$relationships = $this->modelService->getRelationships($model);
			foreach ($relationships->getAll() as $relationship) {
				$foreignName = $relationship->getForeign()->getOriginCommonName();
				foreach ($types[$relationship->getType()] as $type) {
					$this->generateResponder($modelName . '-to-' . $foreignName . '-relationship-' . $type);
				}
			}
		}
	}
	
	protected function generateResponder($actionName) {
		$this->logger->info('Generate Responder for: ' . $actionName);
		$module = $this->packageService->getModule();
		
		if (!$module->hasAction($actionName)) {
			throw new \RuntimeException(sprintf('action (%s) not found', $actionName));
		}
		
		$input = $this->io->getInput();
		$format = $input->getOption('format');
		$template = $input->getOption('template');
		
		// check if relationship response
		if (Text::create($actionName)->contains('relationship') && $format == 'json') {
			return $this->generateRelationshipResponder($actionName);
		}

		$action = $module->getAction($actionName);
		$modelName = $this->modelService->getModelNameByAction($action);

		if (!$action->hasResponse($format)) {
			$className = str_replace('action', 'responder', $action->getClass());
			$className = preg_replace('/Action$/', ucwords($format) . 'Responder', $className);
			$action->setResponse($format, $className);
		}

		// find generator
		$generator = null;
		$type = $this->packageService->getActionType($actionName, $modelName);
		$isModel = $type && $this->modelService->isModelAction($action); 

		// model given and format is json
		if ($isModel && $format == 'json') {
			$generator = GeneratorFactory::createModelJsonResponderGenerator($type, $this->service);
		}
		
		// json + dump
		else if ($format == 'json' && $template == 'api') {
			$generator = new ApiJsonResponderGenerator($this->service);
			$generator->setSerializer($this->getSerializer());
		}
		
		// blank json
		else if ($format == 'json') {
			$generator = new SkeletonJsonResponderGenerator($this->service);
		}
		
		// html + twig
		else if ($format == 'html' && $template == 'twig') {
			$generator = new TwigHtmlResponderGenerator($this->service);
		}
		
		// blank html as default
		else if ($format == 'html') {
			$generator = new SkeletonHtmlResponderGenerator($this->service);
		}
		
		// run generation, if generator was chosen
		if ($generator !== null) {
			/* @var $class PhpClass */
			$class = $generator->generate($action);

			// write to file
			$file = $this->codegenService->getFile($class);
			$overwrite = !$file->exists() || $input->getOption('force');
			$this->codegenService->dumpStruct($class, $overwrite);
		}
	}

	protected function generateRelationshipResponder($actionName) {
		$module = $this->packageService->getModule();
		$action = $module->getAction($actionName);
		$prefix = substr($actionName, 0, strpos($actionName, 'relationship') + 12);
		$readAction = $module->getAction($prefix . '-read');
		
		// get modules names
		$matches = [];
		preg_match('/([a-z_]+)-to-([a-z_]+)-relationship.*/i', $actionName, $matches);
		$model = $this->modelService->getModel($matches[1]);
		$foreign = $this->modelService->getModel($matches[2]);
		$relationship = $this->modelService->getRelationship($model, $foreign->getOriginCommonName());
/** @return stdClass|null */
function mayReturnNull() { }

function doesNotAcceptNull(stdClass $x) { }

// With potential error.
function withoutCheck() {
    $x = mayReturnNull();
    doesNotAcceptNull($x); // Potential error here.
}

// Safe - Alternative 1
function withCheck1() {
    $x = mayReturnNull();
    if ( ! $x instanceof stdClass) {
        throw new \LogicException('$x must be defined.');
    }
    doesNotAcceptNull($x);
}

// Safe - Alternative 2
function withCheck2() {
    $x = mayReturnNull();
    if ($x instanceof stdClass) {
        doesNotAcceptNull($x);
    }
}

		// response class name
		$responder = sprintf('%s\\responder\\%s%sJsonResponder',
			$this->packageService->getNamespace(),
			$model->getPhpName(),
			$foreign->getPhpName()
		);
		
		$many = $module->hasAction($prefix . '-read')
			&& $module->hasAction($prefix . '-update')
			&& $module->hasAction($prefix . '-add')
			&& $module->hasAction($prefix . '-remove')
		;
		$single = $module->hasAction($prefix . '-read')
			&& $module->hasAction($prefix . '-update')
			&& !$many
		;
		
		$generator = null;
		if ($many) {
			$generator = new ToManyRelationshipJsonResponderGenerator($this->service, $relationship);
		} else if ($single) {
			$generator = new ToOneRelationshipJsonResponderGenerator($this->service, $relationship);
		}
		
		if ($generator !== null) {
			$action->setResponse('json', $responder);
			$responder = $generator->generate($readAction);
			$this->codegenService->dumpStruct($responder, true);
		}
	}
	
	private function getSerializer() {
		$input = $this->io->getInput();
		$serializer = $input->getOption('serializer');
		
		if (empty($serializer)) {
			throw new \RuntimeException('No serializer given, please pass --serializer for template');
		}
		
		// check fqcn
		$class = PhpClass::create($serializer);
		if ($class->getQualifiedName() == $serializer) {
			$class->setQualifiedName(NamespaceResolver::getNamespace('src/serializer', $this->package) . 
				'\\' . $serializer);
		}
		
		// check serializer exists
		$file = new File($this->codegenService->getFilename($class));
		if (!$file->exists()) {
			$this->io->writeln(sprintf('<error>Warning:</error> Serializer <info>%s</info> does not exists, please run `keeko generate:serializer %s`', $serializer, $class->getName()));
		}

		return $class->getQualifiedName();
	}
}


1		<?php
2		namespace keeko\tools\command;
3
4		use gossi\codegen\model\PhpClass;
5		use keeko\tools\generator\GeneratorFactory;
6		use keeko\tools\generator\responder\ApiJsonResponderGenerator;
7		use keeko\tools\generator\responder\SkeletonHtmlResponderGenerator;
8		use keeko\tools\generator\responder\SkeletonJsonResponderGenerator;
9		use keeko\tools\generator\responder\ToManyRelationshipJsonResponderGenerator;
10		use keeko\tools\generator\responder\ToOneRelationshipJsonResponderGenerator;
11		use keeko\tools\generator\responder\TwigHtmlResponderGenerator;
12		use keeko\tools\helpers\QuestionHelperTrait;
13		use keeko\tools\ui\ResponseUI;
14		use keeko\tools\utils\NamespaceResolver;
15		use phootwork\collection\Set;
16		use phootwork\file\File;
17		use phootwork\lang\Text;
18		use Symfony\Component\Console\Input\InputArgument;
19		use Symfony\Component\Console\Input\InputInterface;
20		use Symfony\Component\Console\Input\InputOption;
21		use Symfony\Component\Console\Output\OutputInterface;
22
23		class GenerateResponseCommand extends AbstractKeekoCommand {
24	20
25	20	use QuestionHelperTrait;
26	20
27	20	protected $traits;
28	20
29	20	protected function configure() {
30	20	$this->traits = new Set();
31
32	20	$this
33	20	->setName('generate:response')
34	20	->setDescription('Generates code for a responder')
35	20	->addArgument(
36	20	'name',
37	20	InputArgument::OPTIONAL,
38		'The name of the action, which should be generated. Typically in the form %nomen%-%verb% (e.g. user-create)'
39	20	)
40	20	->addOption(
41	20	'model',
42	20	'm',
43	20	InputOption::VALUE_OPTIONAL,
44	20	'The model for which the response should be generated, when there is no name argument (if ommited all models will be generated)'
45	1	)
46	20	->addOption(
47		'format',
48		'',
49	20	InputOption::VALUE_OPTIONAL,
50		'The response format to create',
51	20	'json'
52	20	)
53		->addOption(
54		'template',
55		'',
56		InputOption::VALUE_OPTIONAL,
57		'The template for the body method (blank or twig)',
58	7	'blank'
59	7	)
60	7	->addOption(
61	1	'serializer',
62		'',
63	6	InputOption::VALUE_OPTIONAL,
64		'The serializer to be used for the json api template'
65		)
66		;
67
68		$this->configureGenerateOptions();
69
70		parent::configure();
71		}
72
73		/**
74		* Checks whether actions can be generated at all by reading composer.json and verify
75		* all required information are available
76		*/
77		private function preCheck() {
78		$module = $this->packageService->getModule();
79		if ($module === null \|\| count($module->getActionNames()) == 0) {
80		throw new \DomainException('No action definition found in composer.json - please run `keeko generate:action`.');
81		}
82		}
83
84		protected function interact(InputInterface $input, OutputInterface $output) {
85		$this->preCheck();
86
87		$ui = new ResponseUI($this);
88		$ui->show();
89		}
90
91		protected function execute(InputInterface $input, OutputInterface $output) {
92		$this->preCheck();
93
94		$name = $input->getArgument('name');
95		$model = $input->getOption('model');
96
97		// generate responser for a specific action
98		if ($name) {
99		$this->generateResponder($name);
100		}
101
102		// generate a responder for a specific model
103		else if ($model) {
104		$this->generateModel($model);
105	7	}
106	7
107		// generate responders for all models
108	6	else {
109		foreach ($this->modelService->getModels() as $model) {
110		$this->generateModel($model->getOriginCommonName());
111	6	}
112	5	}
113	4
114		$this->packageService->savePackage();
115		}
116
117	1	protected function generateModel($modelName) {
118		$model = $this->modelService->getModel($modelName);
119	1	$types = $model->isReadOnly() ? ['read', 'list'] : ['read', 'list', 'create', 'update', 'delete'];
120	1
121	1	// generate responders for crud actions
122		foreach ($types as $type) {
123		$actionName = $modelName . '-' . $type;
124	5
125	5	$this->generateResponder($actionName);
126		}
127	6
128	6	// generate responders for relationships
129		if (!$model->isReadOnly()) {
130	6	$types = [
131	1	'one' => ['read', 'update'],
132		'many' => ['read', 'add', 'update', 'remove']
133		];
134	5	$relationships = $this->modelService->getRelationships($model);
135	5	foreach ($relationships->getAll() as $relationship) {
136	5	$foreignName = $relationship->getForeign()->getOriginCommonName();
137	5	foreach ($types[$relationship->getType()] as $type) {
138	5	$this->generateResponder($modelName . '-to-' . $foreignName . '-relationship-' . $type);
139		}
140	5	}
141	5	}
142	5	}
143
144		protected function generateResponder($actionName) {
145	5	$this->logger->info('Generate Responder for: ' . $actionName);
146	5	$module = $this->packageService->getModule();
147	5
148		if (!$module->hasAction($actionName)) {
149		throw new \RuntimeException(sprintf('action (%s) not found', $actionName));
150	5	}
151	2
152	2	$input = $this->io->getInput();
153		$format = $input->getOption('format');
154		$template = $input->getOption('template');
155	4
156	2	// check if relationship response
157	2	if (Text::create($actionName)->contains('relationship') && $format == 'json') {
158		return $this->generateRelationshipResponder($actionName);
159		}
160	2
161	1	$action = $module->getAction($actionName);
162	1	$modelName = $this->modelService->getModelNameByAction($action);
163
164		if (!$action->hasResponse($format)) {
165	1	$className = str_replace('action', 'responder', $action->getClass());
166	1	$className = preg_replace('/Action$/', ucwords($format) . 'Responder', $className);
167	1	$action->setResponse($format, $className);
168		}
169
170	5	// find generator
171		$generator = null;
172	5	$type = $this->packageService->getActionType($actionName, $modelName);
173		$isModel = $type && $this->modelService->isModelAction($action);
174
175	5	// model given and format is json
176	2	if ($isModel && $format == 'json') {
177	2	$generator = GeneratorFactory::createModelJsonResponderGenerator($type, $this->service);
178	2	}
179
180	2	// json + dump
181	2	else if ($format == 'json' && $template == 'api') {
182	2	$generator = new ApiJsonResponderGenerator($this->service);
183	2	$generator->setSerializer($this->getSerializer());
184	2	}
185
186		// blank json
187	5	else if ($format == 'json') {
188	5	$generator = new SkeletonJsonResponderGenerator($this->service);
189	5	}
190
191		// html + twig
192		else if ($format == 'html' && $template == 'twig') {
193		$generator = new TwigHtmlResponderGenerator($this->service);
194		}
195
196		// blank html as default
197		else if ($format == 'html') {
198		$generator = new SkeletonHtmlResponderGenerator($this->service);
199		}
200
201		// run generation, if generator was chosen
202		if ($generator !== null) {
203		/* @var $class PhpClass */
204		$class = $generator->generate($action);
205
206		// write to file
207		$file = $this->codegenService->getFile($class);
208		$overwrite = !$file->exists() \|\| $input->getOption('force');
209		$this->codegenService->dumpStruct($class, $overwrite);
210		}
211		}
212
213		protected function generateRelationshipResponder($actionName) {
214		$module = $this->packageService->getModule();
215		$action = $module->getAction($actionName);
216		$prefix = substr($actionName, 0, strpos($actionName, 'relationship') + 12);
217		$readAction = $module->getAction($prefix . '-read');
218
219		// get modules names
220		$matches = [];
221		preg_match('/([a-z_]+)-to-([a-z_]+)-relationship.*/i', $actionName, $matches);
222		$model = $this->modelService->getModel($matches[1]);
223		$foreign = $this->modelService->getModel($matches[2]);
224		$relationship = $this->modelService->getRelationship($model, $foreign->getOriginCommonName());
		0 ignored issues – show Bug introduced 2016-04-19 14:45 UTC by Report Bug Copy Issue Report It seems like `$model` defined by `$this->modelService->getModel($matches[1])` on line `222` can be `null`; however, `keeko\tools\services\Mod...vice::getRelationship()` does not accept `null`, maybe add an additional type check? Unless you are absolutely sure that the expression can never be null because of other conditions, we strongly recommend to add an additional type check to your code: /** @return stdClass\|null */ function mayReturnNull() { } function doesNotAcceptNull(stdClass $x) { } // With potential error. function withoutCheck() { $x = mayReturnNull(); doesNotAcceptNull($x); // Potential error here. } // Safe - Alternative 1 function withCheck1() { $x = mayReturnNull(); if ( ! $x instanceof stdClass) { throw new \LogicException('$x must be defined.'); } doesNotAcceptNull($x); } // Safe - Alternative 2 function withCheck2() { $x = mayReturnNull(); if ($x instanceof stdClass) { doesNotAcceptNull($x); } } Loading history...
225
226		// response class name
227		$responder = sprintf('%s\\responder\\%s%sJsonResponder',
228		$this->packageService->getNamespace(),
229		$model->getPhpName(),
230		$foreign->getPhpName()
231		);
232
233		$many = $module->hasAction($prefix . '-read')
234		&& $module->hasAction($prefix . '-update')
235		&& $module->hasAction($prefix . '-add')
236		&& $module->hasAction($prefix . '-remove')
237		;
238		$single = $module->hasAction($prefix . '-read')
239		&& $module->hasAction($prefix . '-update')
240		&& !$many
241		;
242
243		$generator = null;
244		if ($many) {
245		$generator = new ToManyRelationshipJsonResponderGenerator($this->service, $relationship);
246		} else if ($single) {
247		$generator = new ToOneRelationshipJsonResponderGenerator($this->service, $relationship);
248		}
249
250		if ($generator !== null) {
251		$action->setResponse('json', $responder);
252		$responder = $generator->generate($readAction);
253		$this->codegenService->dumpStruct($responder, true);
254		}
255		}
256
257		private function getSerializer() {
258		$input = $this->io->getInput();
259		$serializer = $input->getOption('serializer');
260
261		if (empty($serializer)) {
262		throw new \RuntimeException('No serializer given, please pass --serializer for template');
263		}
264
265		// check fqcn
266		$class = PhpClass::create($serializer);
267		if ($class->getQualifiedName() == $serializer) {
268		$class->setQualifiedName(NamespaceResolver::getNamespace('src/serializer', $this->package) .
269		'\\' . $serializer);
270		}
271
272		// check serializer exists
273		$file = new File($this->codegenService->getFilename($class));
274		if (!$file->exists()) {
275		$this->io->writeln(sprintf('<error>Warning:</error> Serializer <info>%s</info> does not exists, please run `keeko generate:serializer %s`', $serializer, $class->getName()));
276		}
277
278		return $class->getQualifiedName();
279		}
280		}
281

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