Passed
Push — master ( 7b5f02...eec92d )
by Gerrit
02:49
created

ObjectMapping::__construct()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 25

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 13
CRAP Score 2

Importance

Changes 0
Metric Value
dl 0
loc 25
ccs 13
cts 13
cp 1
rs 9.52
c 0
b 0
f 0
cc 2
nc 2
nop 8
crap 2

How to fix   Many Parameters   

Many Parameters

Methods with many parameters are not only hard to understand, but their parameters also often become inconsistent when you need more, or different data.

There are several approaches to avoid long parameter lists:

1
<?php
2
/**
3
 * Copyright (C) 2018 Gerrit Addiks.
4
 * This package (including this file) was released under the terms of the GPL-3.0.
5
 * You should have received a copy of the GNU General Public License along with this program.
6
 * If not, see <http://www.gnu.org/licenses/> or send me a mail so i can send you a copy.
7
 *
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 * @license GPL-3.0
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 *
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 * @author Gerrit Addiks <[email protected]>
11
 */
12
13
namespace Addiks\RDMBundle\Mapping;
14
15
use Doctrine\DBAL\Schema\Column;
16
use Addiks\RDMBundle\Mapping\MappingInterface;
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use Webmozart\Assert\Assert;
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use Addiks\RDMBundle\Hydration\HydrationContextInterface;
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use Addiks\RDMBundle\Mapping\CallDefinitionInterface;
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use Addiks\RDMBundle\Exception\FailedRDMAssertionException;
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use ReflectionClass;
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use ReflectionProperty;
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use ReflectionException;
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use Symfony\Component\DependencyInjection\ContainerInterface;
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use Doctrine\DBAL\Types\Type;
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use Doctrine\DBAL\Connection;
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final class ObjectMapping implements MappingInterface
29
{
30
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    /**
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     * @var class-string
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     */
34
    private $className;
35
36
    /**
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     * @var array<MappingInterface>
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     */
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    private $fieldMappings = array();
40
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    /**
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     * @var Column|null
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     */
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    private $column;
45
46
    /**
47
     * @var CallDefinitionInterface|null
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     */
49
    private $factory;
50
51
    /**
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     * @var CallDefinitionInterface|null
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     */
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    private $serializer;
55
56
    /**
57
     * @var string
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     */
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    private $origin;
60
61
    /**
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     * @var string|null
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     */
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    private $id;
65
66
    /**
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     * @var string|null
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     */
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    private $referencedId;
70
71
    /** @param class-string $className */
0 ignored issues
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72 17
    public function __construct(
73
        string $className,
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        array $fieldMappings,
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        Column $column = null,
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        string $origin = "undefined",
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        CallDefinitionInterface $factory = null,
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        CallDefinitionInterface $serializer = null,
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        string $id = null,
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        string $referencedId = null
81
    ) {
82 17
        $this->className = $className;
83 17
        $this->factory = $factory;
84 17
        $this->column = $column;
85 17
        $this->serializer = $serializer;
86 17
        $this->origin = $origin;
87 17
        $this->id = $id;
88 17
        $this->referencedId = $referencedId;
89
90 17
        foreach ($fieldMappings as $fieldName => $fieldMapping) {
91 17
            Assert::isInstanceOf($fieldMapping, MappingInterface::class);
92 17
            Assert::false(is_numeric($fieldName));
93
94 17
            $this->fieldMappings[$fieldName] = $fieldMapping;
95
        }
96 17
    }
97
98 1
    public function getClassName(): string
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    {
100 1
        return $this->className;
101
    }
102
103 1
    public function getDBALColumn(): ?Column
104
    {
105 1
        return $this->column;
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    }
107
108 1
    public function getFieldMappings(): array
109
    {
110 1
        return $this->fieldMappings;
111
    }
112
113 1
    public function describeOrigin(): string
114
    {
115 1
        return $this->origin;
116
    }
117
118 2
    public function collectDBALColumns(): array
119
    {
120
        /** @var array<Column> $additionalColumns */
121 2
        $additionalColumns = array();
122
123 2
        if ($this->column instanceof Column) {
124 1
            $additionalColumns[] = $this->column;
125
        }
126
127 2
        foreach ($this->fieldMappings as $fieldMapping) {
128
            /** @var MappingInterface $fieldMapping */
129
130 2
            $additionalColumns = array_merge(
131 2
                $additionalColumns,
132 2
                $fieldMapping->collectDBALColumns()
133
            );
134
        }
135
136 2
        return $additionalColumns;
137
    }
138
139 1
    public function getFactory(): ?CallDefinitionInterface
140
    {
141 1
        return $this->factory;
142
    }
143
144 1
    public function getSerializer(): ?CallDefinitionInterface
145
    {
146 1
        return $this->serializer;
147
    }
148
149 1
    public function getId(): ?string
150
    {
151 1
        return $this->id;
152
    }
153
154 1
    public function getReferencedId(): ?string
155
    {
156 1
        return $this->referencedId;
157
    }
158
159 3
    public function resolveValue(
160
        HydrationContextInterface $context,
161
        array $dataFromAdditionalColumns
162
    ) {
163
        /** @var object|null $object */
164 3
        $object = null;
165
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        # During creation of an object, the class-name is on the top of that creation stack
167 3
        $context->pushOnObjectHydrationStack($this->className);
168
169 3
        $reflectionClass = new ReflectionClass($this->className);
170
171 3
        if (!empty($this->referencedId)) {
172
            $object = $context->getRegisteredValue($this->referencedId);
173
174 3
        } elseif ($this->factory instanceof CallDefinitionInterface) {
175
            /** @var array<string, string> $factoryData */
176 2
            $factoryData = $dataFromAdditionalColumns;
177
178 2
            if ($this->column instanceof Column && !array_key_exists("", $factoryData)) {
179
                /** @var Type $type */
180 1
                $type = $this->column->getType();
181
182
                /** @var string $columnName */
183 1
                $columnName = $this->column->getName();
184
185 1
                if (array_key_exists($columnName, $dataFromAdditionalColumns)) {
186
                    /** @var Connection $connection */
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                    $connection = $context->getEntityManager()->getConnection();
188
189
                    if (!is_null($dataFromAdditionalColumns[$columnName])) {
190
                        $dataFromAdditionalColumns[$columnName] = $type->convertToPHPValue(
191
                            $dataFromAdditionalColumns[$columnName],
192
                            $connection->getDatabasePlatform()
193
                        );
194
                    }
195
196
                    $factoryData[""] = $dataFromAdditionalColumns[$columnName];
197
                }
198
            }
199
200 2
            $object = $this->factory->execute(
201 2
                $context,
202
                $factoryData
203
            );
204
205
        } else {
206 1
            if ($reflectionClass->isInstantiable()) {
207 1
                $object = $reflectionClass->newInstanceWithoutConstructor();
208
            }
209
        }
210
211 3
        Assert::object($object);
212
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        // Replace the class-name with the created object on top of the hydration stack
214 3
        $context->popFromObjectHydrationStack();
215 3
        $context->pushOnObjectHydrationStack($object);
216
217 3
        if (!empty($this->id) && !$context->hasRegisteredValue($this->id)) {
218 2
            $context->registerValue($this->id, $object);
219
        }
220
221 3
        foreach ($this->fieldMappings as $fieldName => $fieldMapping) {
222
            /** @var MappingInterface $fieldMapping */
223
224
            /** @var mixed $fieldValue */
225 3
            $fieldValue = $fieldMapping->resolveValue(
226 3
                $context,
227
                $dataFromAdditionalColumns
228
            );
229
230
            /** @var ReflectionClass $propertyReflectionClass */
231 3
            $propertyReflectionClass = $reflectionClass;
232
233 3
            while (is_object($propertyReflectionClass) && !$propertyReflectionClass->hasProperty($fieldName)) {
234
                $propertyReflectionClass = $propertyReflectionClass->getParentClass();
235
            }
236
237 3
            if (!is_object($propertyReflectionClass)) {
238
                throw new ReflectionException(sprintf(
239
                    "Property '%s' does not exist on class '%s' as defined at '%s'",
240
                    $fieldName,
241
                    $reflectionClass->getName(),
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242
                    $reflectionClass->getFileName()
243
                ));
244
            }
245
246
            /** @var ReflectionProperty $reflectionProperty */
247 3
            $reflectionProperty = $propertyReflectionClass->getProperty($fieldName);
248
249 3
            $reflectionProperty->setAccessible(true);
250 3
            $reflectionProperty->setValue($object, $fieldValue);
251
        }
252
253 3
        $context->popFromObjectHydrationStack();
254
255 3
        return $object;
256
    }
257
258 2
    public function revertValue(
259
        HydrationContextInterface $context,
260
        $valueFromEntityField
261
    ): array {
262
        /** @var array<scalar> $data */
263 2
        $data = array();
264
265 2
        $this->assertValue($context, [], $valueFromEntityField);
266
267 2
        $reflectionClass = new ReflectionClass($this->className);
268
269 2
        $context->pushOnObjectHydrationStack($valueFromEntityField);
270
271 2
        foreach ($this->fieldMappings as $fieldName => $fieldMapping) {
272
            /** @var MappingInterface $fieldMapping */
273
274
            /** @var ReflectionClass $propertyReflectionClass */
275 2
            $propertyReflectionClass = $reflectionClass;
276
277 2
            while (is_object($propertyReflectionClass) && !$propertyReflectionClass->hasProperty($fieldName)) {
278
                $propertyReflectionClass = $propertyReflectionClass->getParentClass();
279
            }
280
281 2
            if (!is_object($propertyReflectionClass)) {
282
                throw new ReflectionException(sprintf(
283
                    "Property %s does not exist in class %s. (Defined %s)",
284
                    $fieldName,
285
                    $this->className,
286
                    $this->origin
287
                ));
288
            }
289
290
            /** @var ReflectionProperty $reflectionProperty */
291 2
            $reflectionProperty = $propertyReflectionClass->getProperty($fieldName);
292
293 2
            $reflectionProperty->setAccessible(true);
294 2
            $valueFromField = null;
295
296 2
            if (is_object($valueFromEntityField)) {
297 1
                $valueFromField = $reflectionProperty->getValue($valueFromEntityField);
298
            }
299
300
            /** @var array<string, mixed> $fieldData */
301 2
            $fieldData = $fieldMapping->revertValue(
302 2
                $context,
303
                $valueFromField
304
            );
305
306 2
            if (array_key_exists("", $fieldData)) {
307
                $fieldData[$fieldName] = $fieldData[""];
308
                unset($fieldData[""]);
309
            }
310
311 2
            $data = array_merge($data, $fieldData);
312
        }
313
314 2
        if ($this->serializer instanceof CallDefinitionInterface) {
315
            /** @var string $columnName */
316
            $columnName = '';
317
318
            if ($this->column instanceof Column) {
319
                $columnName = $this->column->getName();
320
            }
321
322
            $data[$columnName] = $this->serializer->execute(
323
                $context,
324
                array_merge($data, ['' => $valueFromEntityField])
325
            );
326
327
            if ($this->column instanceof Column) {
328
                /** @var Type $type */
329
                $type = $this->column->getType();
330
331
                /** @var Connection $connection */
332
                $connection = $context->getEntityManager()->getConnection();
333
334
                $data[$columnName] = $type->convertToDatabaseValue(
335
                    $data[$columnName],
336
                    $connection->getDatabasePlatform()
337
                );
338
            }
339
        }
340
341 2
        $context->popFromObjectHydrationStack();
342
343 2
        return $data;
344
    }
345
346 3
    public function assertValue(
347
        HydrationContextInterface $context,
348
        array $dataFromAdditionalColumns,
349
        $actualValue
350
    ): void {
351 3
        if (!is_null($actualValue) && !$actualValue instanceof $this->className) {
352 1
            throw FailedRDMAssertionException::expectedInstanceOf(
353 1
                $this->className,
354 1
                is_object($actualValue) ?get_class($actualValue) :gettype($actualValue),
355 1
                $this->origin
356
            );
357
        }
358 2
    }
359
360 1
    public function wakeUpMapping(ContainerInterface $container): void
361
    {
362 1
        if ($this->factory instanceof CallDefinitionInterface) {
363 1
            $this->factory->wakeUpCall($container);
364
        }
365
366 1
        if ($this->serializer instanceof CallDefinitionInterface) {
367 1
            $this->serializer->wakeUpCall($container);
368
        }
369 1
    }
370
371
}
372