Pdo::resolveValue() - Code Metrics - Inspection of "Bug fixing" - borobudur-php/borobudur-cqrs - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 458558...445d82 )

by Iqbal

created 2016-04-13 04:53 UTC

Pdo::resolveValue() A

↳ Parent: Pdo

Complexity

Conditions	3
Paths	3

Size

Total Lines	12
Code Lines	6

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	12
rs	9.4285
cc	3
eloc	6
nc	3
nop	1

<?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\ReadModel\Storage\Pdo;

use Borobudur\Collection\Collection;
use Borobudur\Cqrs\Exception\InvalidArgumentException;
use Borobudur\Cqrs\ReadModel\ReadModelInterface;
use Borobudur\Cqrs\ReadModel\Storage\Finder\Expression\CompositeExpressionInterface;
use Borobudur\Cqrs\ReadModel\Storage\Pdo\Exception\PdoException;
use Borobudur\Cqrs\ReadModel\Storage\Pdo\Expression\PdoCompositeExpression;
use Borobudur\Cqrs\ReadModel\Storage\StorageInterface;
use Borobudur\Cqrs\Serializer\DataTypeCasterTrait;
use Borobudur\Serialization\StringInterface;
use Borobudur\Serialization\ValuableInterface;
use PDO as PhpPdo;
use PDOStatement;

/**
 * @author      Iqbal Maulana <[email protected]>
 * @created     8/18/15
 */
class Pdo implements StorageInterface
{
    use DataTypeCasterTrait;

    /**
     * @var PhpPdo
     */
    protected $conn;

    /**
     * @var PdoConfig
     */
    protected $config;

    /**
     * @var array
     */
    protected $quoteMaps = array('mysql' => '`', 'pgsql' => '"');

    /**
     * @var string
     */
    protected $quote = '`';

    /**
     * Constructor.
     *
     * @param PdoConfig $config
     */
    public function __construct(PdoConfig $config)
    {
        try {
            $this->conn = new PhpPdo($config->getDsn(), $config->getUser(), $config->getPass());
            $this->conn->setAttribute(PhpPdo::ATTR_ERRMODE, PhpPdo::ERRMODE_EXCEPTION);
        } catch (\PDOException $e) {
            throw new PdoException($e);
        }

        $this->config = $config;

        if (isset($this->quoteMaps[$config->getEngine()])) {
            $this->quote = $this->quoteMaps[$config->getEngine()];
        }
    }

    /**
     * {@inheritdoc}
     */
    public function save(ReadModelInterface $model, $table)
    {
        $class = get_class($model);
        $id = $this->resolveValue($model->getId());
        if (null !== $prev = $this->findById($id, $table, $class)) {
            $values = $this->normalize(array_merge($prev->serialize(), $model->serialize()));
            $conditions = $this->normalize(array('id' => $id));
            unset($values['id']);
            $this->exec($this->buildUpdateQuery($values, $conditions, $table), array_merge($values, $conditions));

            return;
        }

        $values = $this->normalize($model->serialize());
        $values['id'] = $id;
        $this->exec($this->buildInsertQuery($values, $table), $values);
    }

    /**
     * {@inheritdoc}
     */
    public function remove($id, $table)
    {
        $values = array('id' => $this->resolveValue($id));
        $this->exec(sprintf('DELETE FROM %s WHERE id = :id', $this->quote($table)), $values);
    }

    /**
     * {@inheritdoc}
     */
    public function findById($id, $table, $class)
    {
        $finder = $this->finder($table, $class);

        return $finder->where($finder->expr()->equal('id', $this->resolveValue($id)))->first();
    }

    /**
     * {@inheritdoc}
     */
    public function finder($table, $class)
    {
        return new PdoFinder($this, $table, $class, $this->config->getParser(), $this->quote);
    }

    /**
     * Execute query without statement.
     *
     * @param string $sql
     * @param array  $values
     */
    public function exec($sql, array $values = array())
    {
        if (!empty($values)) {
            $normalized = array();
            foreach ($values as $index => $value) {
                $normalized[':' . $index] = $value;
            }

            $values = $normalized;
        }

        try {
            $conn = $this->conn->prepare($sql);
            $conn->execute($values);
        } catch (\PDOException $e) {
            throw new PdoException($e);
        }
    }

    /**
     * Execute query with statement.
     *
     * @param string $sql
     * @param int    $mode
     *
     * @return PDOStatement
     */
    public function query($sql, $mode = PhpPdo::FETCH_ASSOC)
    {
        try {
            return $this->conn->query($sql, $mode);
        } catch (\PDOException $e) {
            throw new PdoException($e);
        }
    }

    /**
     * Compute fields to expressions.
     *
     * @param array     $fields
     * @param PdoFinder $finder
     *
     * @return PdoCompositeExpression
     */
    protected function computeFieldsExpression(array $fields, PdoFinder $finder)
    {
        $expressions = array();
        foreach ($fields as $name => $value) {
            $expressions[] = $finder->expr()->equal($name, $value);
        }

        return new PdoCompositeExpression(CompositeExpressionInterface::LOGICAL_AND, $expressions);
    }

    /**
     * Normalize value.
     *
     * @param array $values
     *
     * @return array
     */
    protected function normalize(array $values)
    {
        foreach ($values as $name => $value) {
            if (is_array($value)) {
                throw new InvalidArgumentException(sprintf(
                    'Cannot parse value with named "%s", data should be flat array.',
                    $name
                ));
            }

            if (is_bool($value)) {
                $value = true === $value ? 'true' : 'false';
            }

            $values[$name] = self::castType($value);
        }

        return $values;
    }

    /**
     * Build query update.
     *
     * @param array  $values
     * @param array  $conditions
     * @param string $table
     *
     * @return string
     */
    protected function buildUpdateQuery(array $values, array $conditions, $table)
    {
        $sets = $this->buildDataSets($values);
        $wheres = $this->buildDataSets($conditions);

        return
            'UPDATE ' . $this->quote($table) .
            ' SET ' . implode(', ', $sets) .
            ' WHERE ' . implode(' AND ', $wheres);
    }

    /**
     * Build insert query.
     *
     * @param array  $values
     * @param string $table
     *
     * @return string
     */
    public function buildInsertQuery(array $values, $table)
    {
        $keys = array_map(array($this, 'quote'), array_keys($values));
        $values = array_keys($values);

        return
            'INSERT INTO ' . $this->quote($table) .
            ' (' . implode(', ', $keys) . ') VALUES (:' . implode(', :', $values) . ')';
    }

    /**
     * Build data sets.
     *
     * @param array $parts
     *
     * @return array
     */
    protected function buildDataSets(array $parts)
    {
        $sets = array();
        foreach ($parts as $name => $value) {
            $sets[] = $this->quote($name) . '=:' . $name;
        }

        return $sets;
    }

    /**
     * Quote field.
     *
     * @param string $field
     *
     * @return string
     */
    protected function quote($field)
    {
        return $this->quote.$field.$this->quote;
    }

    /**
     * @param mixed $value
     *
     * @return mixed|null|string
     */
    protected function resolveValue($value)
    {
        if ($value instanceof ValuableInterface) {
            return $value->getValue();
        }

        if ($value instanceof StringInterface) {
            return (string) $value;
        }

        return $value;
    }
}


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\ReadModel\Storage\Pdo;
12
13			use Borobudur\Collection\Collection;
14			use Borobudur\Cqrs\Exception\InvalidArgumentException;
15			use Borobudur\Cqrs\ReadModel\ReadModelInterface;
16			use Borobudur\Cqrs\ReadModel\Storage\Finder\Expression\CompositeExpressionInterface;
17			use Borobudur\Cqrs\ReadModel\Storage\Pdo\Exception\PdoException;
18			use Borobudur\Cqrs\ReadModel\Storage\Pdo\Expression\PdoCompositeExpression;
19			use Borobudur\Cqrs\ReadModel\Storage\StorageInterface;
20			use Borobudur\Cqrs\Serializer\DataTypeCasterTrait;
21			use Borobudur\Serialization\StringInterface;
22			use Borobudur\Serialization\ValuableInterface;
23			use PDO as PhpPdo;
24			use PDOStatement;
25
26			/**
27			* @author Iqbal Maulana <[email protected]>
28			* @created 8/18/15
29			*/
30			class Pdo implements StorageInterface
31			{
32			use DataTypeCasterTrait;
33
34			/**
35			* @var PhpPdo
36			*/
37			protected $conn;
38
39			/**
40			* @var PdoConfig
41			*/
42			protected $config;
43
44			/**
45			* @var array
46			*/
47			protected $quoteMaps = array('mysql' => '`', 'pgsql' => '"');
48
49			/**
50			* @var string
51			*/
52			protected $quote = '`';
53
54			/**
55			* Constructor.
56			*
57			* @param PdoConfig $config
58			*/
59			public function __construct(PdoConfig $config)
60			{
61			try {
62			$this->conn = new PhpPdo($config->getDsn(), $config->getUser(), $config->getPass());
63			$this->conn->setAttribute(PhpPdo::ATTR_ERRMODE, PhpPdo::ERRMODE_EXCEPTION);
64			} catch (\PDOException $e) {
65			throw new PdoException($e);
66			}
67
68			$this->config = $config;
69
70			if (isset($this->quoteMaps[$config->getEngine()])) {
71			$this->quote = $this->quoteMaps[$config->getEngine()];
72			}
73			}
74
75			/**
76			* {@inheritdoc}
77			*/
78			public function save(ReadModelInterface $model, $table)
79			{
80			$class = get_class($model);
81			$id = $this->resolveValue($model->getId());
82			if (null !== $prev = $this->findById($id, $table, $class)) {
83			$values = $this->normalize(array_merge($prev->serialize(), $model->serialize()));
84			$conditions = $this->normalize(array('id' => $id));
85			unset($values['id']);
86			$this->exec($this->buildUpdateQuery($values, $conditions, $table), array_merge($values, $conditions));
87
88			return;
89			}
90
91			$values = $this->normalize($model->serialize());
92			$values['id'] = $id;
93			$this->exec($this->buildInsertQuery($values, $table), $values);
94			}
95
96			/**
97			* {@inheritdoc}
98			*/
99			public function remove($id, $table)
100			{
101			$values = array('id' => $this->resolveValue($id));
102			$this->exec(sprintf('DELETE FROM %s WHERE id = :id', $this->quote($table)), $values);
103			}
104
105			/**
106			* {@inheritdoc}
107			*/
108			public function findById($id, $table, $class)
109			{
110			$finder = $this->finder($table, $class);
111
112			return $finder->where($finder->expr()->equal('id', $this->resolveValue($id)))->first();
113			}
114
115			/**
116			* {@inheritdoc}
117			*/
118			public function finder($table, $class)
119			{
120			return new PdoFinder($this, $table, $class, $this->config->getParser(), $this->quote);
121			}
122
123			/**
124			* Execute query without statement.
125			*
126			* @param string $sql
127			* @param array $values
128			*/
129			public function exec($sql, array $values = array())
130			{
131			if (!empty($values)) {
132			$normalized = array();
133			foreach ($values as $index => $value) {
134			$normalized[':' . $index] = $value;
135			}
136
137			$values = $normalized;
138			}
139
140			try {
141			$conn = $this->conn->prepare($sql);
142			$conn->execute($values);
143			} catch (\PDOException $e) {
144			throw new PdoException($e);
145			}
146			}
147
148			/**
149			* Execute query with statement.
150			*
151			* @param string $sql
152			* @param int $mode
153			*
154			* @return PDOStatement
155			*/
156			public function query($sql, $mode = PhpPdo::FETCH_ASSOC)
157			{
158			try {
159			return $this->conn->query($sql, $mode);
160			} catch (\PDOException $e) {
161			throw new PdoException($e);
162			}
163			}
164
165			/**
166			* Compute fields to expressions.
167			*
168			* @param array $fields
169			* @param PdoFinder $finder
170			*
171			* @return PdoCompositeExpression
172			*/
173			protected function computeFieldsExpression(array $fields, PdoFinder $finder)
174			{
175			$expressions = array();
176			foreach ($fields as $name => $value) {
177			$expressions[] = $finder->expr()->equal($name, $value);
178			}
179
180			return new PdoCompositeExpression(CompositeExpressionInterface::LOGICAL_AND, $expressions);
181			}
182
183			/**
184			* Normalize value.
185			*
186			* @param array $values
187			*
188			* @return array
189			*/
190			protected function normalize(array $values)
191			{
192			foreach ($values as $name => $value) {
193			if (is_array($value)) {
194			throw new InvalidArgumentException(sprintf(
195			'Cannot parse value with named "%s", data should be flat array.',
196			$name
197			));
198			}
199
200			if (is_bool($value)) {
201			$value = true === $value ? 'true' : 'false';
202			}
203
204			$values[$name] = self::castType($value);
205			}
206
207			return $values;
208			}
209
210			/**
211			* Build query update.
212			*
213			* @param array $values
214			* @param array $conditions
215			* @param string $table
216			*
217			* @return string
218			*/
219			protected function buildUpdateQuery(array $values, array $conditions, $table)
220			{
221			$sets = $this->buildDataSets($values);
222			$wheres = $this->buildDataSets($conditions);
223
224			return
225			'UPDATE ' . $this->quote($table) .
226			' SET ' . implode(', ', $sets) .
227			' WHERE ' . implode(' AND ', $wheres);
228			}
229
230			/**
231			* Build insert query.
232			*
233			* @param array $values
234			* @param string $table
235			*
236			* @return string
237			*/
238			public function buildInsertQuery(array $values, $table)
239			{
240			$keys = array_map(array($this, 'quote'), array_keys($values));
241			$values = array_keys($values);
242
243			return
244			'INSERT INTO ' . $this->quote($table) .
245			' (' . implode(', ', $keys) . ') VALUES (:' . implode(', :', $values) . ')';
246			}
247
248			/**
249			* Build data sets.
250			*
251			* @param array $parts
252			*
253			* @return array
254			*/
255			protected function buildDataSets(array $parts)
256			{
257			$sets = array();
258			foreach ($parts as $name => $value) {
259			$sets[] = $this->quote($name) . '=:' . $name;
260			}
261
262			return $sets;
263			}
264
265			/**
266			* Quote field.
267			*
268			* @param string $field
269			*
270			* @return string
271			*/
272			protected function quote($field)
273			{
274			return $this->quote.$field.$this->quote;
275			}
276
277			/**
278			* @param mixed $value
279			*
280			* @return mixed\|null\|string
281			*/
282			protected function resolveValue($value)
283			{
284			if ($value instanceof ValuableInterface) {
285			return $value->getValue();
286			}
287
288			if ($value instanceof StringInterface) {
289			return (string) $value;
290			}
291
292			return $value;
293			}
294			}
295

borobudur-php / borobudur-cqrs

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Pdo::resolveValue() A

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