UnusedRelationsRemover::initAllEntitySubFqns() - Code Metrics - Inspection of "Required relations - tweaks" - edmondscommerce/doctrine-static-meta - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Pull Request — master (#153)

by joseph

created 2018-10-31 13:06 UTC

UnusedRelationsRemover::initAllEntitySubFqns() A

↳ Parent: UnusedRelationsRemover

Complexity

Conditions	2
Paths	2

Size

Total Lines	9
Code Lines	7

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	0
CRAP Score	6

Importance

Changes

Metric	Value
cc	2
eloc	7
nc	2
nop	0
dl	0
loc	9
ccs	0
cts	9
cp	0
crap	6
rs	10
c	0
b	0
f	0

<?php declare(strict_types=1);

namespace EdmondsCommerce\DoctrineStaticMeta\CodeGeneration;

use EdmondsCommerce\DoctrineStaticMeta\Config;
use Symfony\Component\Finder\Finder;
use Symfony\Component\Finder\SplFileInfo;

/**
 * Class UnusedCodeRemover
 *
 * Finds and removes generated code that does not seem to be used
 *
 * Caution - this is destructive - do not use in a dirty repo!!!
 *
 * @package EdmondsCommerce\DoctrineStaticMeta\CodeGeneration
 */
class UnusedRelationsRemover
{
    /**
     * @var NamespaceHelper
     */
    protected $namespaceHelper;
    /**
     * @var Config
     */
    protected $config;
    /**
     * @var array
     */
    private $filesRemoved = [];
    /**
     * @var string
     */
    private $pathToProjectRoot;

    /**
     * @param string $pathToProjectRoot
     *
     * @return UnusedRelationsRemover
     */
    public function setPathToProjectRoot(string $pathToProjectRoot): UnusedRelationsRemover
    {
        $this->pathToProjectRoot = $pathToProjectRoot;

        return $this;
    }

    /**
     * @param string $projectRootNamespace
     *
     * @return UnusedRelationsRemover
     */
    public function setProjectRootNamespace(string $projectRootNamespace): UnusedRelationsRemover
    {
        $this->projectRootNamespace = $projectRootNamespace;

        return $this;
    }
    /**
     * @var string
     */
    private $projectRootNamespace;
    /**
     * @var array
     */
    private $relationTraits = [];
    /**
     * @var array
     */
    private $entitySubFqnsToName = [];
    /**
     * @var array
     */
    private $entityPaths = [];

    public function __construct(NamespaceHelper $namespaceHelper, Config $config)
    {
        $this->namespaceHelper      = $namespaceHelper;
        $this->config               = $config;
        $this->pathToProjectRoot    = $this->config::getProjectRootDirectory();
        $this->projectRootNamespace = $this->namespaceHelper->getProjectRootNamespaceFromComposerJson();
    }


    public function run(): array
    {

        $this->initArrayOfRelationTraits();
        $this->initAllEntitySubFqns();
        foreach (\array_keys($this->entitySubFqnsToName) as $entitySubFqn) {
            $this->removeUnusedEntityRelations($entitySubFqn);
        }

        return $this->filesRemoved;
    }

    private function initArrayOfRelationTraits(): void
    {
        $this->relationTraits = [];
        $pluralRelations      = $this->getFileInfoObjectsInDirs(
            [
                __DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasTemplateEntities',
                __DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasRequiredTemplateEntities',
            ]
        );
        foreach ($pluralRelations as $pluralRelation) {
            $realPath                                  = $pluralRelation->getRealPath();
            $this->relationTraits['plural'][$realPath] = $this->convertPathToNamespace(
                $this->getSubPathFromSrcAndTrimExtension(
                    $realPath
                )
            );
        }
        $singularRelations = $this->getFileInfoObjectsInDirs(
            [
                __DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasTemplateEntity',
                __DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasRequiredTemplateEntity',
            ]
        );
        foreach ($singularRelations as $singularRelation) {
            $realPath                                    = $singularRelation->getRealPath();
            $this->relationTraits['singular'][$realPath] = $this->convertPathToNamespace(
                $this->getSubPathFromSrcAndTrimExtension(
                    $realPath
                )
            );
        }
    }

    /**
     * @param array $dirs
     *
     * @return array|SplFileInfo[]
     */
    private function getFileInfoObjectsInDirs(array $dirs): array
    {
        $finder   = new Finder();
        $iterable = $finder->files()->in($dirs);

        return iterator_to_array($iterable);
    }

    private function convertPathToNamespace(string $path): string
    {
        return \str_replace('/', '\\', $path);
    }

    private function getSubPathFromSrcAndTrimExtension(string $path): string
    {
        $subPath = substr($path, strpos($path, 'src') + 3);
        $subPath = substr($subPath, 0, strpos($subPath, '.php'));

        return $subPath;
    }

    private function initAllEntitySubFqns(): void
    {
        $files                     = $this->getFileInfoObjectsInDirs([$this->pathToProjectRoot . '/src/Entities']);
        $this->entitySubFqnsToName = [];
        foreach ($files as $file) {
            $realPath                                 = $file->getRealPath();
            $this->entityPaths[$realPath]             = \file_get_contents($realPath);
            $entitySubFqn                             = $this->getEntitySubFqnFromEntityFilePath($realPath);
            $this->entitySubFqnsToName[$entitySubFqn] = $this->getPluralSingularFromEntitySubFqn($entitySubFqn);
        }
    }

    private function getEntitySubFqnFromEntityFilePath(string $path): string
    {
        $subPath = $this->getSubPathFromSrcAndTrimExtension($path);

        return \str_replace('/', '\\', $subPath);
    }

    private function getPluralSingularFromEntitySubFqn(string $entitySubFqn): array
    {
        $entityFqn = $this->projectRootNamespace . $entitySubFqn;

        return [
            'singular' => ucfirst($entityFqn::getDoctrineStaticMeta()->getSingular()),
            'plural'   => ucfirst($entityFqn::getDoctrineStaticMeta()->getPlural()),
        ];
    }

    private function removeUnusedEntityRelations(string $entitySubFqn): void
    {
        $entitySubSubFqn = $this->getEntitySubSubFqn($entitySubFqn);
        $hasPlural       = $this->removeRelationsBySingularOrPlural('plural', $entitySubSubFqn);
        $hasSingular     = $this->removeRelationsBySingularOrPlural('singular', $entitySubSubFqn);

        if (false === $hasPlural && false === $hasSingular) {
            $this->removeAllRelationFilesForEntity($entitySubSubFqn);

            return;
        }
        if (false === $hasPlural) {
            $this->removeHasPluralOrSingularInterfaceAndAbstract(
                'plural',
                $entitySubFqn,
                $entitySubSubFqn
            );
        }

        if (false === $hasSingular) {
            $this->removeHasPluralOrSingularInterfaceAndAbstract(
                'singular',
                $entitySubFqn,
                $entitySubSubFqn
            );
        }
    }

    private function getEntitySubSubFqn(string $entitySubFqn): string
    {
        return substr($entitySubFqn, \strlen('\\Entities\\'));
    }

    private function removeRelationsBySingularOrPlural(string $singularOrPlural, string $entitySubSubFqn): bool
    {
        $foundUsedRelations = false;

        foreach ($this->relationTraits[$singularOrPlural] as $relationTraitSubFqn) {
            $relationRegex = $this->getRelationRegexPatternFromRelationTraitSubFqn($relationTraitSubFqn);
            $pattern       = $this->getRegexForRelationTraitUseStatement($entitySubSubFqn, $relationRegex);
            foreach ($this->entityPaths as $entityFileContents) {
                if (1 === \preg_match($pattern, $entityFileContents)) {
                    $foundUsedRelations = true;
                    continue 2;
                }
            }
            $this->removeRelation($entitySubSubFqn, $relationRegex);
        }

        return $foundUsedRelations;
    }

    private function getRelationRegexPatternFromRelationTraitSubFqn(string $relationTraitSubFqn): string
    {

        $baseTraitNamespace = $this->namespaceHelper->basename($relationTraitSubFqn);

        return preg_replace('%TemplateEntit(y|ies)%', '.+?', $baseTraitNamespace);
    }

    private function getRegexForRelationTraitUseStatement(string $entitySubSubFqn, string $relationRegex): string
    {
        $entitySubSubFqn = \str_replace('\\', '\\\\', $entitySubSubFqn);

        return <<<REGEXP
%use .+?\\\\Entity\\\\Relations\\\\$entitySubSubFqn([^;]+?)$relationRegex%
REGEXP;
    }

    private function removeRelation(string $entitySubSubFqn, string $relationRegex): void
    {
        $directory = $this->getPathToRelationRootForEntity($entitySubSubFqn);
        if (!\is_dir($directory)) {
            return;
        }
        $finder = (new Finder())->files()
                                ->in($directory)
                                ->path('%^(Interfaces|Traits).+?' . $relationRegex . '%');
        $this->removeFoundFiles($finder);
    }

    private function getPathToRelationRootForEntity(string $entitySubSubFqn): string
    {
        return $this->pathToProjectRoot
               . '/src/Entity/Relations/'
               . \str_replace(
                   '\\',
                   '/',
                   $entitySubSubFqn
               );
    }

    private function removeFoundFiles(Finder $finder): void
    {
        foreach ($finder as $fileInfo) {
            $this->removeFile($fileInfo->getRealPath());
        }
    }

    private function removeFile(string $path): void
    {
        if (!\file_exists($path)) {
            return;
        }
        $this->filesRemoved[] = $path;
        unlink($path);
    }

    private function removeAllRelationFilesForEntity(string $entitySubSubFqn): void
    {
        $relationsPath = $this->getPathToRelationRootForEntity($entitySubSubFqn);
        $directories   = [
            "$relationsPath/Traits",
            "$relationsPath/Interfaces",
        ];
        foreach ($directories as $directory) {
            if (!\is_dir($directory)) {
                continue;
            }
            $finder = (new Finder())->files()
                                    ->in($directory);
            $this->removeFoundFiles($finder);
        }
    }

    private function removeHasPluralOrSingularInterfaceAndAbstract(
        string $pluralOrSingular,
        string $entitySubFqn,
        string $entitySubSubFqn
    ): void {
        $directory = $this->getPathToRelationRootForEntity($entitySubSubFqn);
        if (!\is_dir($directory)) {
            return;
        }
        $hasName = $this->entitySubFqnsToName[$entitySubFqn][$pluralOrSingular];
        $finder  = (new Finder())->files()
                                 ->in($directory)
                                 ->path(
                                     '%^(Interfaces|Traits).+?Has' . $hasName . '(/|Abstract\.php|Interface\.php)%'
                                 );
        $this->removeFoundFiles($finder);
    }
}


1			<?php declare(strict_types=1);
2
3			namespace EdmondsCommerce\DoctrineStaticMeta\CodeGeneration;
4
5			use EdmondsCommerce\DoctrineStaticMeta\Config;
6			use Symfony\Component\Finder\Finder;
7			use Symfony\Component\Finder\SplFileInfo;
8
9			/**
10			* Class UnusedCodeRemover
11			*
12			* Finds and removes generated code that does not seem to be used
13			*
14			* Caution - this is destructive - do not use in a dirty repo!!!
15			*
16			* @package EdmondsCommerce\DoctrineStaticMeta\CodeGeneration
17			*/
18			class UnusedRelationsRemover
19			{
20			/**
21			* @var NamespaceHelper
22			*/
23			protected $namespaceHelper;
24			/**
25			* @var Config
26			*/
27			protected $config;
28			/**
29			* @var array
30			*/
31			private $filesRemoved = [];
32			/**
33			* @var string
34			*/
35			private $pathToProjectRoot;
36
37			/**
38			* @param string $pathToProjectRoot
39			*
40			* @return UnusedRelationsRemover
41			*/
42			public function setPathToProjectRoot(string $pathToProjectRoot): UnusedRelationsRemover
43			{
44			$this->pathToProjectRoot = $pathToProjectRoot;
45
46			return $this;
47			}
48
49			/**
50			* @param string $projectRootNamespace
51			*
52			* @return UnusedRelationsRemover
53			*/
54			public function setProjectRootNamespace(string $projectRootNamespace): UnusedRelationsRemover
55			{
56			$this->projectRootNamespace = $projectRootNamespace;
57
58			return $this;
59			}
60			/**
61			* @var string
62			*/
63			private $projectRootNamespace;
64			/**
65			* @var array
66			*/
67			private $relationTraits = [];
68			/**
69			* @var array
70			*/
71			private $entitySubFqnsToName = [];
72			/**
73			* @var array
74			*/
75			private $entityPaths = [];
76
77			public function __construct(NamespaceHelper $namespaceHelper, Config $config)
78			{
79			$this->namespaceHelper = $namespaceHelper;
80			$this->config = $config;
81			$this->pathToProjectRoot = $this->config::getProjectRootDirectory();
82			$this->projectRootNamespace = $this->namespaceHelper->getProjectRootNamespaceFromComposerJson();
83			}
84
85
86			public function run(): array
87			{
88
89			$this->initArrayOfRelationTraits();
90			$this->initAllEntitySubFqns();
91			foreach (\array_keys($this->entitySubFqnsToName) as $entitySubFqn) {
92			$this->removeUnusedEntityRelations($entitySubFqn);
93			}
94
95			return $this->filesRemoved;
96			}
97
98			private function initArrayOfRelationTraits(): void
99			{
100			$this->relationTraits = [];
101			$pluralRelations = $this->getFileInfoObjectsInDirs(
102			[
103			__DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasTemplateEntities',
104			__DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasRequiredTemplateEntities',
105			]
106			);
107			foreach ($pluralRelations as $pluralRelation) {
108			$realPath = $pluralRelation->getRealPath();
109			$this->relationTraits['plural'][$realPath] = $this->convertPathToNamespace(
110			$this->getSubPathFromSrcAndTrimExtension(
111			$realPath
112			)
113			);
114			}
115			$singularRelations = $this->getFileInfoObjectsInDirs(
116			[
117			__DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasTemplateEntity',
118			__DIR__ . '/../../codeTemplates/src/Entity/Relations/TemplateEntity/Traits/HasRequiredTemplateEntity',
119			]
120			);
121			foreach ($singularRelations as $singularRelation) {
122			$realPath = $singularRelation->getRealPath();
123			$this->relationTraits['singular'][$realPath] = $this->convertPathToNamespace(
124			$this->getSubPathFromSrcAndTrimExtension(
125			$realPath
126			)
127			);
128			}
129			}
130
131			/**
132			* @param array $dirs
133			*
134			* @return array\|SplFileInfo[]
135			*/
136			private function getFileInfoObjectsInDirs(array $dirs): array
137			{
138			$finder = new Finder();
139			$iterable = $finder->files()->in($dirs);
140
141			return iterator_to_array($iterable);
142			}
143
144			private function convertPathToNamespace(string $path): string
145			{
146			return \str_replace('/', '\\', $path);
147			}
148
149			private function getSubPathFromSrcAndTrimExtension(string $path): string
150			{
151			$subPath = substr($path, strpos($path, 'src') + 3);
152			$subPath = substr($subPath, 0, strpos($subPath, '.php'));
153
154			return $subPath;
155			}
156
157			private function initAllEntitySubFqns(): void
158			{
159			$files = $this->getFileInfoObjectsInDirs([$this->pathToProjectRoot . '/src/Entities']);
160			$this->entitySubFqnsToName = [];
161			foreach ($files as $file) {
162			$realPath = $file->getRealPath();
163			$this->entityPaths[$realPath] = \file_get_contents($realPath);
164			$entitySubFqn = $this->getEntitySubFqnFromEntityFilePath($realPath);
165			$this->entitySubFqnsToName[$entitySubFqn] = $this->getPluralSingularFromEntitySubFqn($entitySubFqn);
166			}
167			}
168
169			private function getEntitySubFqnFromEntityFilePath(string $path): string
170			{
171			$subPath = $this->getSubPathFromSrcAndTrimExtension($path);
172
173			return \str_replace('/', '\\', $subPath);
174			}
175
176			private function getPluralSingularFromEntitySubFqn(string $entitySubFqn): array
177			{
178			$entityFqn = $this->projectRootNamespace . $entitySubFqn;
179
180			return [
181			'singular' => ucfirst($entityFqn::getDoctrineStaticMeta()->getSingular()),
182			'plural' => ucfirst($entityFqn::getDoctrineStaticMeta()->getPlural()),
183			];
184			}
185
186			private function removeUnusedEntityRelations(string $entitySubFqn): void
187			{
188			$entitySubSubFqn = $this->getEntitySubSubFqn($entitySubFqn);
189			$hasPlural = $this->removeRelationsBySingularOrPlural('plural', $entitySubSubFqn);
190			$hasSingular = $this->removeRelationsBySingularOrPlural('singular', $entitySubSubFqn);
191
192			if (false === $hasPlural && false === $hasSingular) {
193			$this->removeAllRelationFilesForEntity($entitySubSubFqn);
194
195			return;
196			}
197			if (false === $hasPlural) {
198			$this->removeHasPluralOrSingularInterfaceAndAbstract(
199			'plural',
200			$entitySubFqn,
201			$entitySubSubFqn
202			);
203			}
204
205			if (false === $hasSingular) {
206			$this->removeHasPluralOrSingularInterfaceAndAbstract(
207			'singular',
208			$entitySubFqn,
209			$entitySubSubFqn
210			);
211			}
212			}
213
214			private function getEntitySubSubFqn(string $entitySubFqn): string
215			{
216			return substr($entitySubFqn, \strlen('\\Entities\\'));
217			}
218
219			private function removeRelationsBySingularOrPlural(string $singularOrPlural, string $entitySubSubFqn): bool
220			{
221			$foundUsedRelations = false;
222
223			foreach ($this->relationTraits[$singularOrPlural] as $relationTraitSubFqn) {
224			$relationRegex = $this->getRelationRegexPatternFromRelationTraitSubFqn($relationTraitSubFqn);
225			$pattern = $this->getRegexForRelationTraitUseStatement($entitySubSubFqn, $relationRegex);
226			foreach ($this->entityPaths as $entityFileContents) {
227			if (1 === \preg_match($pattern, $entityFileContents)) {
228			$foundUsedRelations = true;
229			continue 2;
230			}
231			}
232			$this->removeRelation($entitySubSubFqn, $relationRegex);
233			}
234
235			return $foundUsedRelations;
236			}
237
238			private function getRelationRegexPatternFromRelationTraitSubFqn(string $relationTraitSubFqn): string
239			{
240
241			$baseTraitNamespace = $this->namespaceHelper->basename($relationTraitSubFqn);
242
243			return preg_replace('%TemplateEntit(y\|ies)%', '.+?', $baseTraitNamespace);
244			}
245
246			private function getRegexForRelationTraitUseStatement(string $entitySubSubFqn, string $relationRegex): string
247			{
248			$entitySubSubFqn = \str_replace('\\', '\\\\', $entitySubSubFqn);
249
250			return <<<REGEXP
251			%use .+?\\\\Entity\\\\Relations\\\\$entitySubSubFqn([^;]+?)$relationRegex%
252			REGEXP;
253			}
254
255			private function removeRelation(string $entitySubSubFqn, string $relationRegex): void
256			{
257			$directory = $this->getPathToRelationRootForEntity($entitySubSubFqn);
258			if (!\is_dir($directory)) {
259			return;
260			}
261			$finder = (new Finder())->files()
262			->in($directory)
263			->path('%^(Interfaces\|Traits).+?' . $relationRegex . '%');
264			$this->removeFoundFiles($finder);
265			}
266
267			private function getPathToRelationRootForEntity(string $entitySubSubFqn): string
268			{
269			return $this->pathToProjectRoot
270			. '/src/Entity/Relations/'
271			. \str_replace(
272			'\\',
273			'/',
274			$entitySubSubFqn
275			);
276			}
277
278			private function removeFoundFiles(Finder $finder): void
279			{
280			foreach ($finder as $fileInfo) {
281			$this->removeFile($fileInfo->getRealPath());
282			}
283			}
284
285			private function removeFile(string $path): void
286			{
287			if (!\file_exists($path)) {
288			return;
289			}
290			$this->filesRemoved[] = $path;
291			unlink($path);
292			}
293
294			private function removeAllRelationFilesForEntity(string $entitySubSubFqn): void
295			{
296			$relationsPath = $this->getPathToRelationRootForEntity($entitySubSubFqn);
297			$directories = [
298			"$relationsPath/Traits",
299			"$relationsPath/Interfaces",
300			];
301			foreach ($directories as $directory) {
302			if (!\is_dir($directory)) {
303			continue;
304			}
305			$finder = (new Finder())->files()
306			->in($directory);
307			$this->removeFoundFiles($finder);
308			}
309			}
310
311			private function removeHasPluralOrSingularInterfaceAndAbstract(
312			string $pluralOrSingular,
313			string $entitySubFqn,
314			string $entitySubSubFqn
315			): void {
316			$directory = $this->getPathToRelationRootForEntity($entitySubSubFqn);
317			if (!\is_dir($directory)) {
318			return;
319			}
320			$hasName = $this->entitySubFqnsToName[$entitySubFqn][$pluralOrSingular];
321			$finder = (new Finder())->files()
322			->in($directory)
323			->path(
324			'%^(Interfaces\|Traits).+?Has' . $hasName . '(/\|Abstract\.php\|Interface\.php)%'
325			);
326			$this->removeFoundFiles($finder);
327			}
328			}
329

edmondscommerce / doctrine-static-meta

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Pull Request — master (#153)

UnusedRelationsRemover::initAllEntitySubFqns() A

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