ViewModel::computeViewModelValue() - Code Metrics - Inspection of "[ViewModel.php] Add getRawData method" - borobudur-php/borobudur-cqrs - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 178a89...75468d )

by Iqbal

created 2015-12-10 07:44 UTC

ViewModel::computeViewModelValue() A

↳ Parent: ViewModel

Complexity

Conditions	3
Paths	3

Size

Total Lines	16
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	16
rs	9.4286
cc	3
eloc	9
nc	3
nop	3

<?php
/*
 * This file is part of the Borobudur-Cqrs package.
 *
 * (c) Hexacodelabs <http://hexacodelabs.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Borobudur\Cqrs\ViewModel;

use Borobudur\Cqrs\Collection;
use Borobudur\Cqrs\Exception\InvalidArgumentException;
use Borobudur\Cqrs\ParameterBag;
use Borobudur\Cqrs\ReadModel\ReadModelInterface;
use ReflectionObject;

/**
 * @author      Iqbal Maulana <[email protected]>
 * @created     8/20/15
 */
class ViewModel extends AbstractViewModel
{
    /**
     * @var Aggregate|null
     */
    protected $aggregate;

    /**
     * @var string
     */
    protected $prefixMethod = 'normalize';

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

    /**
     * @var ParameterBag
     */
    protected $parameter;

    /**
     * @var array
     */
    private $fields = array();

    /**
     * @var array
     */
    private $append = array();

    /**
     * @var array
     */
    private $hidden = array();

    /**
     * @var mixed
     */
    private $data;

    /**
     * @var array|null
     */
    private $built;

    /**
     * @var bool
     */
    private $forceSingle = false;

    /**
     * Constructor.
     *
     * @param mixed $data
     * @param array $parameter
     */
    public function __construct($data, array $parameter = array())
    {
        if (empty($data)) {
            $this->built = array();
        } else {
            $this->fields = $this->fields() ?: array();
            $this->append = $this->append() ?: array();
            $this->hidden = $this->hidden() ?: array();
            $this->parameter = new ParameterBag($parameter);
            $this->setData($data);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function build()
    {
        if (null !== $this->built) {
            return $this->built;
        }

        $record = $this->data;

        if ($record instanceof ReadModelInterface) {
            $built = $this->serialize($record, $record->serialize());
        } elseif (is_array($record)) {
            $built = $this->serialize($record, $record);
        } else {
            $built = array_map(function ($readModel) use ($record) {
                if ($readModel instanceof ReadModelInterface) {
                    $readModel = $readModel->serialize();
                }

                return $this->serialize($record, $readModel);
            }, $record->toArray());
        }

        if ($this->forceSingle) {
            $built = $built[0];

        }

        return $this->built = $built;
    }

    /**
     * {@inheritdoc}
     */
    public function isCollection()
    {
        $build = $this->build();
        if (isset($build[0]) && is_array($build[0])) {
            return true;
        }

        return false;
    }

    /**
     * {@inheritdoc}
     */
    public function addParameter(array $parameters)
    {
        $this->parameter->add($parameters);
    }

    /**
     * {@inheritdoc}
     */
    public function setForceSingle()
    {
        if ($this->allowForceSingle) {
            $this->forceSingle = true;
        }
    }

    /**
     * Add fields that should be viewed.
     *
     * @param array $fields
     */
    public function addFields(array $fields)
    {
        $this->fields = array_merge($this->fields, $fields);
    }

    /**
     * Add fields that should be appended.
     *
     * @param array $fields
     */
    public function addAppend(array $fields)
    {
        $this->append = array_merge($this->append, $fields);
    }

    /**
     * Add fields that should be hidden.
     *
     * @param array $fields
     */
    public function addHidden(array $fields)
    {
        $this->hidden = array_merge($this->fields, $fields);
    }

    /**
     * {@inheritdoc}
     */
    public function buildViewModelArgs($results, array $record, $field)
    {
        $args = array();
        if (array_key_exists($field, $record)) {
            $args[] = $record[$field];
        }

        $args[] = $record;

        if ($results instanceof Collection) {
            $args[] = $results;
        }

        return $args;
    }

    /**
     * Get view model raw data.
     *
     * @return mixed
     */
    public function getRawData()
    {
        return $this->data;
    }

    /**
     * {@inheritdoc}
     */
    protected function fields()
    {
        return array();
    }

    /**
     * {@inheritdoc}
     */
    protected function append()
    {
        return array();
    }

    /**
     * {@inheritdoc}
     */
    protected function hidden()
    {
        return array();
    }

    /**
     * Serialize record based on view model.
     *
     * @param mixed $results
     * @param array $record
     *
     * @return array
     */
    private function serialize($results, array $record)
    {
        $fields = (array) $this->fields();
        $fields = !empty($fields) ? $fields : array_keys($record);
        $fields = $this->mergeFields($fields, (array) $this->append());
        $hidden = (array) $this->hidden();

        $data = array();
        foreach ($fields as $field) {
            if (in_array($field, $hidden)) {
                continue;
            }

            $data[$field] = $this->computeViewModelValue($results, $record, $field);
        }

        return $data;
    }

    /**
     * Normalize array record.
     *
     * @param mixed $record
     *
     * @return array
     */
    private function normalize($record)
    {
        if (is_array($record)) {
            foreach ($record as $index => $value) {
                $record[$index] = $this->normalize($value);
            }
        } elseif ($record instanceof Collection) {
            return $record->toArray();
        }

        return $record;
    }

    /**
     * Compute view model value.
     *
     * @param mixed  $results
     * @param array  $record
     * @param string $field
     *
     * @return mixed|null
     */
    private function computeViewModelValue($results, array $record, $field)
    {
        $method = $this->prefixMethod . ucfirst($field);
        if (method_exists($this, $method)) {
            return call_user_func_array(
                array($this, $method),
                $this->buildViewModelArgs($results, $record, $field)
            );
        }

        if (isset($record[$field])) {
            return $record[$field];
        }

        return null;
    }

    /**
     * Merged key fields.
     *
     * @param array $recordFields
     * @param array $viewModelFields
     *
     * @return array
     */
    private function mergeFields(array $recordFields, array $viewModelFields)
    {
        $merged = array_merge(array_flip($recordFields), array_flip($viewModelFields));

        return array_keys($merged);
    }

    /**
     * Set data.
     *
     * @param mixed $data
     */
    private function setData($data)
    {
        $data = $this->buildData($this->normalize($data));
        $this->assertDataType($data);
        $this->data = $data;

        if ($this->data instanceof Collection) {
            $this->aggregate = new Aggregate(
                $this->data->toArray(),
                $this,
                new ReflectionObject($this),
                $this->prefixMethod
            );
        }
    }

    /**
     * Build data.
     *
     * @param mixed $data
     *
     * @return mixed
     */
    private function buildData($data)
    {
        if (!$data instanceof ReadModelInterface) {
            if ($data instanceof ViewModel) {
                $data = $data->isCollection() ? new Collection($data->build()) : $data->build();
            } elseif (!$data instanceof Collection) {
                $data = new Collection($data);
            }
        }

        return $data;
    }

    /**
     * Assert data type.
     *
     * @param mixed $data
     */
    private function assertDataType($data)
    {
        if (!$data instanceof ReadModelInterface && !$data instanceof Collection && !is_array($data)) {
            throw new InvalidArgumentException(sprintf(
                'Acceptable data type is \Borobudur\Cqrs\ReadModel\ReadModelInterface, ' .
                '\Borobudur\Cqrs\Collection, Borobudur\Cqrs\ViewModel\ViewModel or nested array, but got "%s".',
                gettype($data)
            ));
        }
    }
}


1			<?php
2			/*
3			* This file is part of the Borobudur-Cqrs package.
4			*
5			* (c) Hexacodelabs <http://hexacodelabs.com>
6			*
7			* For the full copyright and license information, please view the LICENSE
8			* file that was distributed with this source code.
9			*/
10
11			namespace Borobudur\Cqrs\ViewModel;
12
13			use Borobudur\Cqrs\Collection;
14			use Borobudur\Cqrs\Exception\InvalidArgumentException;
15			use Borobudur\Cqrs\ParameterBag;
16			use Borobudur\Cqrs\ReadModel\ReadModelInterface;
17			use ReflectionObject;
18
19			/**
20			* @author Iqbal Maulana <[email protected]>
21			* @created 8/20/15
22			*/
23			class ViewModel extends AbstractViewModel
24			{
25			/**
26			* @var Aggregate\|null
27			*/
28			protected $aggregate;
29
30			/**
31			* @var string
32			*/
33			protected $prefixMethod = 'normalize';
34
35			/**
36			* @var bool
37			*/
38			protected $allowForceSingle = true;
39
40			/**
41			* @var ParameterBag
42			*/
43			protected $parameter;
44
45			/**
46			* @var array
47			*/
48			private $fields = array();
49
50			/**
51			* @var array
52			*/
53			private $append = array();
54
55			/**
56			* @var array
57			*/
58			private $hidden = array();
59
60			/**
61			* @var mixed
62			*/
63			private $data;
64
65			/**
66			* @var array\|null
67			*/
68			private $built;
69
70			/**
71			* @var bool
72			*/
73			private $forceSingle = false;
74
75			/**
76			* Constructor.
77			*
78			* @param mixed $data
79			* @param array $parameter
80			*/
81			public function __construct($data, array $parameter = array())
82			{
83			if (empty($data)) {
84			$this->built = array();
85			} else {
86			$this->fields = $this->fields() ?: array();
87			$this->append = $this->append() ?: array();
88			$this->hidden = $this->hidden() ?: array();
89			$this->parameter = new ParameterBag($parameter);
90			$this->setData($data);
91			}
92			}
93
94			/**
95			* {@inheritdoc}
96			*/
97			public function build()
98			{
99			if (null !== $this->built) {
100			return $this->built;
101			}
102
103			$record = $this->data;
104
105			if ($record instanceof ReadModelInterface) {
106			$built = $this->serialize($record, $record->serialize());
107			} elseif (is_array($record)) {
108			$built = $this->serialize($record, $record);
109			} else {
110			$built = array_map(function ($readModel) use ($record) {
111			if ($readModel instanceof ReadModelInterface) {
112			$readModel = $readModel->serialize();
113			}
114
115			return $this->serialize($record, $readModel);
116			}, $record->toArray());
117			}
118
119			if ($this->forceSingle) {
120			$built = $built[0];
121
122			}
123
124			return $this->built = $built;
125			}
126
127			/**
128			* {@inheritdoc}
129			*/
130			public function isCollection()
131			{
132			$build = $this->build();
133			if (isset($build[0]) && is_array($build[0])) {
134			return true;
135			}
136
137			return false;
138			}
139
140			/**
141			* {@inheritdoc}
142			*/
143			public function addParameter(array $parameters)
144			{
145			$this->parameter->add($parameters);
146			}
147
148			/**
149			* {@inheritdoc}
150			*/
151			public function setForceSingle()
152			{
153			if ($this->allowForceSingle) {
154			$this->forceSingle = true;
155			}
156			}
157
158			/**
159			* Add fields that should be viewed.
160			*
161			* @param array $fields
162			*/
163			public function addFields(array $fields)
164			{
165			$this->fields = array_merge($this->fields, $fields);
166			}
167
168			/**
169			* Add fields that should be appended.
170			*
171			* @param array $fields
172			*/
173			public function addAppend(array $fields)
174			{
175			$this->append = array_merge($this->append, $fields);
176			}
177
178			/**
179			* Add fields that should be hidden.
180			*
181			* @param array $fields
182			*/
183			public function addHidden(array $fields)
184			{
185			$this->hidden = array_merge($this->fields, $fields);
186			}
187
188			/**
189			* {@inheritdoc}
190			*/
191			public function buildViewModelArgs($results, array $record, $field)
192			{
193			$args = array();
194			if (array_key_exists($field, $record)) {
195			$args[] = $record[$field];
196			}
197
198			$args[] = $record;
199
200			if ($results instanceof Collection) {
201			$args[] = $results;
202			}
203
204			return $args;
205			}
206
207			/**
208			* Get view model raw data.
209			*
210			* @return mixed
211			*/
212			public function getRawData()
213			{
214			return $this->data;
215			}
216
217			/**
218			* {@inheritdoc}
219			*/
220			protected function fields()
221			{
222			return array();
223			}
224
225			/**
226			* {@inheritdoc}
227			*/
228			protected function append()
229			{
230			return array();
231			}
232
233			/**
234			* {@inheritdoc}
235			*/
236			protected function hidden()
237			{
238			return array();
239			}
240
241			/**
242			* Serialize record based on view model.
243			*
244			* @param mixed $results
245			* @param array $record
246			*
247			* @return array
248			*/
249			private function serialize($results, array $record)
250			{
251			$fields = (array) $this->fields();
252			$fields = !empty($fields) ? $fields : array_keys($record);
253			$fields = $this->mergeFields($fields, (array) $this->append());
254			$hidden = (array) $this->hidden();
255
256			$data = array();
257			foreach ($fields as $field) {
258			if (in_array($field, $hidden)) {
259			continue;
260			}
261
262			$data[$field] = $this->computeViewModelValue($results, $record, $field);
263			}
264
265			return $data;
266			}
267
268			/**
269			* Normalize array record.
270			*
271			* @param mixed $record
272			*
273			* @return array
274			*/
275			private function normalize($record)
276			{
277			if (is_array($record)) {
278			foreach ($record as $index => $value) {
279			$record[$index] = $this->normalize($value);
280			}
281			} elseif ($record instanceof Collection) {
282			return $record->toArray();
283			}
284
285			return $record;
286			}
287
288			/**
289			* Compute view model value.
290			*
291			* @param mixed $results
292			* @param array $record
293			* @param string $field
294			*
295			* @return mixed\|null
296			*/
297			private function computeViewModelValue($results, array $record, $field)
298			{
299			$method = $this->prefixMethod . ucfirst($field);
300			if (method_exists($this, $method)) {
301			return call_user_func_array(
302			array($this, $method),
303			$this->buildViewModelArgs($results, $record, $field)
304			);
305			}
306
307			if (isset($record[$field])) {
308			return $record[$field];
309			}
310
311			return null;
312			}
313
314			/**
315			* Merged key fields.
316			*
317			* @param array $recordFields
318			* @param array $viewModelFields
319			*
320			* @return array
321			*/
322			private function mergeFields(array $recordFields, array $viewModelFields)
323			{
324			$merged = array_merge(array_flip($recordFields), array_flip($viewModelFields));
325
326			return array_keys($merged);
327			}
328
329			/**
330			* Set data.
331			*
332			* @param mixed $data
333			*/
334			private function setData($data)
335			{
336			$data = $this->buildData($this->normalize($data));
337			$this->assertDataType($data);
338			$this->data = $data;
339
340			if ($this->data instanceof Collection) {
341			$this->aggregate = new Aggregate(
342			$this->data->toArray(),
343			$this,
344			new ReflectionObject($this),
345			$this->prefixMethod
346			);
347			}
348			}
349
350			/**
351			* Build data.
352			*
353			* @param mixed $data
354			*
355			* @return mixed
356			*/
357			private function buildData($data)
358			{
359			if (!$data instanceof ReadModelInterface) {
360			if ($data instanceof ViewModel) {
361			$data = $data->isCollection() ? new Collection($data->build()) : $data->build();
362			} elseif (!$data instanceof Collection) {
363			$data = new Collection($data);
364			}
365			}
366
367			return $data;
368			}
369
370			/**
371			* Assert data type.
372			*
373			* @param mixed $data
374			*/
375			private function assertDataType($data)
376			{
377			if (!$data instanceof ReadModelInterface && !$data instanceof Collection && !is_array($data)) {
378			throw new InvalidArgumentException(sprintf(
379			'Acceptable data type is \Borobudur\Cqrs\ReadModel\ReadModelInterface, ' .
380			'\Borobudur\Cqrs\Collection, Borobudur\Cqrs\ViewModel\ViewModel or nested array, but got "%s".',
381			gettype($data)
382			));
383			}
384			}
385			}
386

borobudur-php / borobudur-cqrs

Push — master ( 178a89...75468d )

ViewModel::computeViewModelValue() A

Complexity

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Duplication

Importance

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