ScalarBeanPropertyDescriptor::getJsonSerializeCode() - Code Metrics - Inspection of "Migrating code generation to Zend-Code" - thecodingmachine/tdbm - Measure and Improve Code Quality continuously with Scrutinizer

Passed

Pull Request — master (#116)

by David

created 2019-03-14 15:16 UTC

getJsonSerializeCode() A

↳ Parent: ScalarBeanPropertyDescriptor

Complexity

Conditions	4
Paths	4

Size

Total Lines	16
Code Lines	10

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
eloc	10
dl	0
loc	16
rs	9.9332
c	0
b	0
f	0
cc	4
nc	4
nop	0

<?php
declare(strict_types=1);

namespace TheCodingMachine\TDBM\Utils;

use Doctrine\DBAL\Platforms\MySQL57Platform;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Types\Type;
use TheCodingMachine\TDBM\TDBMException;
use TheCodingMachine\TDBM\Utils\Annotation\AnnotationParser;
use TheCodingMachine\TDBM\Utils\Annotation\Annotations;
use \TheCodingMachine\TDBM\Utils\Annotation;
use Zend\Code\Generator\DocBlock\Tag\ParamTag;
use Zend\Code\Generator\DocBlock\Tag\ReturnTag;
use Zend\Code\Generator\MethodGenerator;
use Zend\Code\Generator\ParameterGenerator;

/**
 * This class represent a property in a bean (a property has a getter, a setter, etc...).
 */
class ScalarBeanPropertyDescriptor extends AbstractBeanPropertyDescriptor
{
    /**
     * @var Column
     */
    private $column;

    /**
     * @var Annotations
     */
    private $annotations;

    /**
     * @var AnnotationParser
     */
    private $annotationParser;

    /**
     * ScalarBeanPropertyDescriptor constructor.
     * @param Table $table
     * @param Column $column
     * @param NamingStrategyInterface $namingStrategy
     */
    public function __construct(Table $table, Column $column, NamingStrategyInterface $namingStrategy, AnnotationParser $annotationParser)
    {
        parent::__construct($table, $namingStrategy);
        $this->table = $table;
        $this->column = $column;
        $this->annotationParser = $annotationParser;
    }

    /**
     * Returns the name of the class linked to this property or null if this is not a foreign key.
     *
     * @return null|string
     */
    public function getClassName(): ?string
    {
        return null;
    }

    /**
     * Returns the PHP type for the property (it can be a scalar like int, bool, or class names, like \DateTimeInterface, App\Bean\User....)
     *
     * @return string
     */
    public function getPhpType(): string
    {
        $type = $this->column->getType();
        return TDBMDaoGenerator::dbalTypeToPhpType($type);
    }

    /**
     * Returns true if the property is compulsory (and therefore should be fetched in the constructor).
     *
     * @return bool
     */
    public function isCompulsory(): bool
    {
        return $this->column->getNotnull() && !$this->isAutoincrement() && $this->column->getDefault() === null && !$this->hasUuidAnnotation();
    }

    private function isAutoincrement() : bool
    {
        return $this->column->getAutoincrement() || $this->getAutoincrementAnnotation() !== null;
    }

    private function hasUuidAnnotation(): bool
    {
        return $this->getUuidAnnotation() !== null;
    }

    private function getUuidAnnotation(): ?Annotation\UUID
    {
        /** @var Annotation\UUID $annotation */
        $annotation = $this->getAnnotations()->findAnnotation(Annotation\UUID::class);
        return $annotation;
    }

    private function getAutoincrementAnnotation(): ?Annotation\Autoincrement
    {
        /** @var Annotation\Autoincrement $annotation */
        $annotation = $this->getAnnotations()->findAnnotation(Annotation\Autoincrement::class);
        return $annotation;
    }

    private function getAnnotations(): Annotations
    {
        if ($this->annotations === null) {
            $this->annotations = $this->annotationParser->getColumnAnnotations($this->column, $this->table);
        }
        return $this->annotations;
    }

    /**
     * Returns true if the property has a default value (or if the @UUID annotation is set for the column)
     *
     * @return bool
     */
    public function hasDefault(): bool
    {
        // MariaDB 10.3 issue: it returns "NULL" (the string) instead of *null*
        return ($this->column->getDefault() !== null && $this->column->getDefault() !== 'NULL') || $this->hasUuidAnnotation();
    }

    /**
     * Returns the code that assigns a value to its default value.
     *
     * @return string
     */
    public function assignToDefaultCode(): string
    {
        $str = '$this->%s(%s);';

        $uuidAnnotation = $this->getUuidAnnotation();
        if ($uuidAnnotation !== null) {
            $defaultCode = $this->getUuidCode($uuidAnnotation);
        } else {
            $default = $this->column->getDefault();
            $type = $this->column->getType();

            if (in_array($type->getName(), [
                'datetime',
                'datetime_immutable',
                'datetimetz',
                'datetimetz_immutable',
                'date',
                'date_immutable',
                'time',
                'time_immutable',
            ], true)) {
                if ($default !== null && in_array(strtoupper($default), ['CURRENT_TIMESTAMP' /* MySQL */, 'NOW()' /* PostgreSQL */, 'SYSDATE' /* Oracle */ , 'CURRENT_TIMESTAMP()' /* MariaDB 10.3 */], true)) {
                    $defaultCode = 'new \DateTimeImmutable()';
                } else {
                    throw new TDBMException('Unable to set default value for date in "'.$this->table->getName().'.'.$this->column->getName().'". Database passed this default value: "'.$default.'"');
                }
            } else {
                $defaultValue = $type->convertToPHPValue($this->column->getDefault(), new MySQL57Platform());
                $defaultCode = var_export($defaultValue, true);
            }
        }

        return sprintf($str, $this->getSetterName(), $defaultCode);
    }

    private function getUuidCode(Annotation\UUID $uuidAnnotation): string
    {
        $comment = $uuidAnnotation->value;
        switch ($comment) {
            case '':
            case 'v1':
                return 'Uuid::uuid1()->toString()';
            case 'v4':
                return 'Uuid::uuid4()->toString()';
            default:
                throw new TDBMException('@UUID annotation accepts either "v1" or "v4" parameter. Unexpected parameter: ' . $comment);
        }
    }

    /**
     * Returns true if the property is the primary key.
     *
     * @return bool
     */
    public function isPrimaryKey(): bool
    {
        $primaryKey = $this->table->getPrimaryKey();
        if ($primaryKey === null) {
            return false;
        }
        return in_array($this->column->getName(), $primaryKey->getUnquotedColumns());
    }

    /**
     * Returns the PHP code for getters and setters.
     *
     * @return MethodGenerator[]
     */
    public function getGetterSetterCode(): array
    {
        $normalizedType = $this->getPhpType();

        $columnGetterName = $this->getGetterName();
        $columnSetterName = $this->getSetterName();

        // A column type can be forced if it is not nullable and not auto-incrementable (for auto-increment columns, we can get "null" as long as the bean is not saved).
        $isNullable = !$this->column->getNotnull() || $this->isAutoincrement();

        $resourceTypeCheck = '';
        if ($normalizedType === 'resource') {
            $resourceTypeCheck .= <<<EOF

if (!\is_resource($%s)) {
    throw \TheCodingMachine\TDBM\TDBMInvalidArgumentException::badType('resource', $%s, __METHOD__);
}
EOF;
            $resourceTypeCheck = sprintf($resourceTypeCheck, $this->column->getName(), $this->column->getName());
        }


        $paramType = null;
        if ($this->isTypeHintable()) {
            $paramType = ($isNullable?'?':'').$normalizedType;
        }

        $getter = new MethodGenerator($columnGetterName);
        $getter->setDocBlock(sprintf('The getter for the "%s" column.', $this->column->getName()));

        $types = [ $normalizedType ];
        if ($isNullable) {
            $types[] = 'null';
        }
        $getter->getDocBlock()->setTag(new ReturnTag($types));

        $getter->setReturnType($paramType);

        $getter->setBody(sprintf('return $this->get(%s, %s);',
            var_export($this->column->getName(), true),
            var_export($this->table->getName(), true)));



        $setter = new MethodGenerator($columnSetterName);
        $setter->setDocBlock(sprintf('The setter for the "%s" column.', $this->column->getName()));

        $types = [ $normalizedType ];
        if ($isNullable) {
            $types[] = 'null';
        }
        $setter->getDocBlock()->setTag(new ParamTag($this->column->getName(), $types));

        $parameter = new ParameterGenerator($this->column->getName(), $paramType);
        $setter->setParameter($parameter);
        $setter->setReturnType('void');

        $setter->setBody(sprintf('%s
$this->set(%s, $%s, %s);',
            $resourceTypeCheck,
            var_export($this->column->getName(), true),
            $this->column->getName(),
            var_export($this->table->getName(), true)));


        return [$getter, $setter];
    }

    /**
     * Returns the part of code useful when doing json serialization.
     *
     * @return string
     */
    public function getJsonSerializeCode(): string
    {
        $normalizedType = $this->getPhpType();

        if (!$this->canBeSerialized()) {
            return '';
        }

        if ($normalizedType == '\\DateTimeImmutable') {
            if ($this->column->getNotnull()) {
                return '$array['.var_export($this->namingStrategy->getJsonProperty($this), true).'] = $this->'.$this->getGetterName()."()->format('c');\n";
            } else {
                return '$array['.var_export($this->namingStrategy->getJsonProperty($this), true).'] = ($this->'.$this->getGetterName().'() === null) ? null : $this->'.$this->getGetterName()."()->format('c');\n";
            }
        } else {
            return '$array['.var_export($this->namingStrategy->getJsonProperty($this), true).'] = $this->'.$this->getGetterName()."();\n";
        }
    }

    /**
     * Returns the column name.
     *
     * @return string
     */
    public function getColumnName(): string
    {
        return $this->column->getName();
    }

    /**
     * The code to past in the __clone method.
     * @return null|string
     */
    public function getCloneRule(): ?string
    {
        $uuidAnnotation = $this->getUuidAnnotation();
        if ($uuidAnnotation !== null && $this->isPrimaryKey()) {
            return sprintf("\$this->%s(%s);\n", $this->getSetterName(), $this->getUuidCode($uuidAnnotation));
        }
        return null;
    }

    /**
     * tells is this type is suitable for Json Serialization
     *
     * @return bool
     */
    public function canBeSerialized() : bool
    {
        $type = $this->column->getType();

        $unserialisableTypes = [
            Type::BLOB,
            Type::BINARY
        ];

        return \in_array($type->getName(), $unserialisableTypes, true) === false;
    }

    /**
     * Tells if this property is a type-hintable in PHP (resource isn't for example)
     *
     * @return bool
     */
    public function isTypeHintable() : bool
    {
        $type = $this->getPhpType();
        $invalidScalarTypes = [
            'resource'
        ];

        return \in_array($type, $invalidScalarTypes, true) === false;
    }
}


1			<?php
2			declare(strict_types=1);
3
4			namespace TheCodingMachine\TDBM\Utils;
5
6			use Doctrine\DBAL\Platforms\MySQL57Platform;
7			use Doctrine\DBAL\Schema\Column;
8			use Doctrine\DBAL\Schema\Table;
9			use Doctrine\DBAL\Types\Type;
10			use TheCodingMachine\TDBM\TDBMException;
11			use TheCodingMachine\TDBM\Utils\Annotation\AnnotationParser;
12			use TheCodingMachine\TDBM\Utils\Annotation\Annotations;
13			use \TheCodingMachine\TDBM\Utils\Annotation;
14			use Zend\Code\Generator\DocBlock\Tag\ParamTag;
15			use Zend\Code\Generator\DocBlock\Tag\ReturnTag;
16			use Zend\Code\Generator\MethodGenerator;
17			use Zend\Code\Generator\ParameterGenerator;
18
19			/**
20			* This class represent a property in a bean (a property has a getter, a setter, etc...).
21			*/
22			class ScalarBeanPropertyDescriptor extends AbstractBeanPropertyDescriptor
23			{
24			/**
25			* @var Column
26			*/
27			private $column;
28
29			/**
30			* @var Annotations
31			*/
32			private $annotations;
33
34			/**
35			* @var AnnotationParser
36			*/
37			private $annotationParser;
38
39			/**
40			* ScalarBeanPropertyDescriptor constructor.
41			* @param Table $table
42			* @param Column $column
43			* @param NamingStrategyInterface $namingStrategy
44			*/
45			public function __construct(Table $table, Column $column, NamingStrategyInterface $namingStrategy, AnnotationParser $annotationParser)
46			{
47			parent::__construct($table, $namingStrategy);
48			$this->table = $table;
49			$this->column = $column;
50			$this->annotationParser = $annotationParser;
51			}
52
53			/**
54			* Returns the name of the class linked to this property or null if this is not a foreign key.
55			*
56			* @return null\|string
57			*/
58			public function getClassName(): ?string
59			{
60			return null;
61			}
62
63			/**
64			* Returns the PHP type for the property (it can be a scalar like int, bool, or class names, like \DateTimeInterface, App\Bean\User....)
65			*
66			* @return string
67			*/
68			public function getPhpType(): string
69			{
70			$type = $this->column->getType();
71			return TDBMDaoGenerator::dbalTypeToPhpType($type);
72			}
73
74			/**
75			* Returns true if the property is compulsory (and therefore should be fetched in the constructor).
76			*
77			* @return bool
78			*/
79			public function isCompulsory(): bool
80			{
81			return $this->column->getNotnull() && !$this->isAutoincrement() && $this->column->getDefault() === null && !$this->hasUuidAnnotation();
82			}
83
84			private function isAutoincrement() : bool
85			{
86			return $this->column->getAutoincrement() \|\| $this->getAutoincrementAnnotation() !== null;
87			}
88
89			private function hasUuidAnnotation(): bool
90			{
91			return $this->getUuidAnnotation() !== null;
92			}
93
94			private function getUuidAnnotation(): ?Annotation\UUID
95			{
96			/** @var Annotation\UUID $annotation */
97			$annotation = $this->getAnnotations()->findAnnotation(Annotation\UUID::class);
98			return $annotation;
99			}
100
101			private function getAutoincrementAnnotation(): ?Annotation\Autoincrement
102			{
103			/** @var Annotation\Autoincrement $annotation */
104			$annotation = $this->getAnnotations()->findAnnotation(Annotation\Autoincrement::class);
105			return $annotation;
106			}
107
108			private function getAnnotations(): Annotations
109			{
110			if ($this->annotations === null) {
111			$this->annotations = $this->annotationParser->getColumnAnnotations($this->column, $this->table);
112			}
113			return $this->annotations;
114			}
115
116			/**
117			* Returns true if the property has a default value (or if the @UUID annotation is set for the column)
118			*
119			* @return bool
120			*/
121			public function hasDefault(): bool
122			{
123			// MariaDB 10.3 issue: it returns "NULL" (the string) instead of null
124			return ($this->column->getDefault() !== null && $this->column->getDefault() !== 'NULL') \|\| $this->hasUuidAnnotation();
125			}
126
127			/**
128			* Returns the code that assigns a value to its default value.
129			*
130			* @return string
131			*/
132			public function assignToDefaultCode(): string
133			{
134			$str = '$this->%s(%s);';
135
136			$uuidAnnotation = $this->getUuidAnnotation();
137			if ($uuidAnnotation !== null) {
138			$defaultCode = $this->getUuidCode($uuidAnnotation);
139			} else {
140			$default = $this->column->getDefault();
141			$type = $this->column->getType();
142
143			if (in_array($type->getName(), [
144			'datetime',
145			'datetime_immutable',
146			'datetimetz',
147			'datetimetz_immutable',
148			'date',
149			'date_immutable',
150			'time',
151			'time_immutable',
152			], true)) {
153			if ($default !== null && in_array(strtoupper($default), ['CURRENT_TIMESTAMP' /* MySQL /, 'NOW()' / PostgreSQL /, 'SYSDATE' / Oracle / , 'CURRENT_TIMESTAMP()' / MariaDB 10.3 */], true)) {
154			$defaultCode = 'new \DateTimeImmutable()';
155			} else {
156			throw new TDBMException('Unable to set default value for date in "'.$this->table->getName().'.'.$this->column->getName().'". Database passed this default value: "'.$default.'"');
157			}
158			} else {
159			$defaultValue = $type->convertToPHPValue($this->column->getDefault(), new MySQL57Platform());
160			$defaultCode = var_export($defaultValue, true);
161			}
162			}
163
164			return sprintf($str, $this->getSetterName(), $defaultCode);
165			}
166
167			private function getUuidCode(Annotation\UUID $uuidAnnotation): string
168			{
169			$comment = $uuidAnnotation->value;
170			switch ($comment) {
171			case '':
172			case 'v1':
173			return 'Uuid::uuid1()->toString()';
174			case 'v4':
175			return 'Uuid::uuid4()->toString()';
176			default:
177			throw new TDBMException('@UUID annotation accepts either "v1" or "v4" parameter. Unexpected parameter: ' . $comment);
178			}
179			}
180
181			/**
182			* Returns true if the property is the primary key.
183			*
184			* @return bool
185			*/
186			public function isPrimaryKey(): bool
187			{
188			$primaryKey = $this->table->getPrimaryKey();
189			if ($primaryKey === null) {
190			return false;
191			}
192			return in_array($this->column->getName(), $primaryKey->getUnquotedColumns());
193			}
194
195			/**
196			* Returns the PHP code for getters and setters.
197			*
198			* @return MethodGenerator[]
199			*/
200			public function getGetterSetterCode(): array
201			{
202			$normalizedType = $this->getPhpType();
203
204			$columnGetterName = $this->getGetterName();
205			$columnSetterName = $this->getSetterName();
206
207			// A column type can be forced if it is not nullable and not auto-incrementable (for auto-increment columns, we can get "null" as long as the bean is not saved).
208			$isNullable = !$this->column->getNotnull() \|\| $this->isAutoincrement();
209
210			$resourceTypeCheck = '';
211			if ($normalizedType === 'resource') {
212			$resourceTypeCheck .= <<<EOF
213
214			if (!\is_resource($%s)) {
215			throw \TheCodingMachine\TDBM\TDBMInvalidArgumentException::badType('resource', $%s, __METHOD__);
216			}
217			EOF;
218			$resourceTypeCheck = sprintf($resourceTypeCheck, $this->column->getName(), $this->column->getName());
219			}
220
221
222			$paramType = null;
223			if ($this->isTypeHintable()) {
224			$paramType = ($isNullable?'?':'').$normalizedType;
225			}
226
227			$getter = new MethodGenerator($columnGetterName);
228			$getter->setDocBlock(sprintf('The getter for the "%s" column.', $this->column->getName()));
229
230			$types = [ $normalizedType ];
231			if ($isNullable) {
232			$types[] = 'null';
233			}
234			$getter->getDocBlock()->setTag(new ReturnTag($types));
235
236			$getter->setReturnType($paramType);
237
238			$getter->setBody(sprintf('return $this->get(%s, %s);',
239			var_export($this->column->getName(), true),
240			var_export($this->table->getName(), true)));
241
242
243
244			$setter = new MethodGenerator($columnSetterName);
245			$setter->setDocBlock(sprintf('The setter for the "%s" column.', $this->column->getName()));
246
247			$types = [ $normalizedType ];
248			if ($isNullable) {
249			$types[] = 'null';
250			}
251			$setter->getDocBlock()->setTag(new ParamTag($this->column->getName(), $types));
252
253			$parameter = new ParameterGenerator($this->column->getName(), $paramType);
254			$setter->setParameter($parameter);
255			$setter->setReturnType('void');
256
257			$setter->setBody(sprintf('%s
258			$this->set(%s, $%s, %s);',
259			$resourceTypeCheck,
260			var_export($this->column->getName(), true),
261			$this->column->getName(),
262			var_export($this->table->getName(), true)));
263
264
265			return [$getter, $setter];
266			}
267
268			/**
269			* Returns the part of code useful when doing json serialization.
270			*
271			* @return string
272			*/
273			public function getJsonSerializeCode(): string
274			{
275			$normalizedType = $this->getPhpType();
276
277			if (!$this->canBeSerialized()) {
278			return '';
279			}
280
281			if ($normalizedType == '\\DateTimeImmutable') {
282			if ($this->column->getNotnull()) {
283			return '$array['.var_export($this->namingStrategy->getJsonProperty($this), true).'] = $this->'.$this->getGetterName()."()->format('c');\n";
284			} else {
285			return '$array['.var_export($this->namingStrategy->getJsonProperty($this), true).'] = ($this->'.$this->getGetterName().'() === null) ? null : $this->'.$this->getGetterName()."()->format('c');\n";
286			}
287			} else {
288			return '$array['.var_export($this->namingStrategy->getJsonProperty($this), true).'] = $this->'.$this->getGetterName()."();\n";
289			}
290			}
291
292			/**
293			* Returns the column name.
294			*
295			* @return string
296			*/
297			public function getColumnName(): string
298			{
299			return $this->column->getName();
300			}
301
302			/**
303			* The code to past in the __clone method.
304			* @return null\|string
305			*/
306			public function getCloneRule(): ?string
307			{
308			$uuidAnnotation = $this->getUuidAnnotation();
309			if ($uuidAnnotation !== null && $this->isPrimaryKey()) {
310			return sprintf("\$this->%s(%s);\n", $this->getSetterName(), $this->getUuidCode($uuidAnnotation));
311			}
312			return null;
313			}
314
315			/**
316			* tells is this type is suitable for Json Serialization
317			*
318			* @return bool
319			*/
320			public function canBeSerialized() : bool
321			{
322			$type = $this->column->getType();
323
324			$unserialisableTypes = [
325			Type::BLOB,
326			Type::BINARY
327			];
328
329			return \in_array($type->getName(), $unserialisableTypes, true) === false;
330			}
331
332			/**
333			* Tells if this property is a type-hintable in PHP (resource isn't for example)
334			*
335			* @return bool
336			*/
337			public function isTypeHintable() : bool
338			{
339			$type = $this->getPhpType();
340			$invalidScalarTypes = [
341			'resource'
342			];
343
344			return \in_array($type, $invalidScalarTypes, true) === false;
345			}
346			}
347

thecodingmachine / tdbm

Pull Request — master (#116)

getJsonSerializeCode() A

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