Pdo::getTransactionLevel() - Code Metrics - Inspection of "Add transactional checker" - borobudur-php/borobudur-cqrs - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 0b2a25...ebfed1 )

by Iqbal

created 2016-08-03 06:36 UTC

Pdo::getTransactionLevel() A

↳ Parent: Pdo

Complexity

Conditions	1
Paths	1

Size

Total Lines	4
Code Lines	2

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	1

Metric	Value
c	1
b	0
f	1
dl	0
loc	4
rs	10
cc	1
eloc	2
nc	1
nop	0

<?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 = '`';

    /**
     * @var int
     */
    protected $transactionLevel = 0;

    /**
     * @var bool
     */
    protected $transactional = false;

    /**
     * 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);
        }
    }

    /**
     * @return int
     */
    public function getTransactionLevel()
    {
        return $this->transactionLevel;
    }

    /**
     * @return boolean
     */
    public function isTransactional()
    {
        return $this->transactional;
    }

    /**
     * Begin transaction
     */
    public function beginTransaction()
    {
        $this->transactional = true;
        if (0 === $this->transactionLevel) {
            $this->conn->beginTransaction();
        }

        $this->transactionLevel += 1;
    }

    /**
     * Rollback transaction
     */
    public function rollback()
    {
        $this->transactionLevel = 0;
        $this->transactional = false;
        $this->conn->rollBack();
    }

    /**
     * Commit transaction.
     */
    public function commit()
    {
        $this->transactionLevel -= 1;
        $this->transactional = false;
        if (0 === $this->transactionLevel) {
            $this->conn->commit();
        }
    }

    /**
     * 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
			0 ignored issues – show Bug introduced 2016-08-03 06:39 UTC by Report Bug Copy Issue Report There is one abstract method `getTransactionalLevel` in this class; you could implement it, or declare this class as abstract. Loading history...
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			* @var int
56			*/
57			protected $transactionLevel = 0;
58
59			/**
60			* @var bool
61			*/
62			protected $transactional = false;
63
64			/**
65			* Constructor.
66			*
67			* @param PdoConfig $config
68			*/
69			public function __construct(PdoConfig $config)
70			{
71			try {
72			$this->conn = new PhpPdo($config->getDsn(), $config->getUser(), $config->getPass());
73			$this->conn->setAttribute(PhpPdo::ATTR_ERRMODE, PhpPdo::ERRMODE_EXCEPTION);
74			} catch (\PDOException $e) {
75			throw new PdoException($e);
76			}
77
78			$this->config = $config;
79
80			if (isset($this->quoteMaps[$config->getEngine()])) {
81			$this->quote = $this->quoteMaps[$config->getEngine()];
82			}
83			}
84
85			/**
86			* {@inheritdoc}
87			*/
88			public function save(ReadModelInterface $model, $table)
89			{
90			$class = get_class($model);
91			$id = $this->resolveValue($model->getId());
92			if (null !== $prev = $this->findById($id, $table, $class)) {
93			$values = $this->normalize(array_merge($prev->serialize(), $model->serialize()));
94			$conditions = $this->normalize(array('id' => $id));
95			unset($values['id']);
96			$this->exec($this->buildUpdateQuery($values, $conditions, $table), array_merge($values, $conditions));
97
98			return;
99			}
100
101			$values = $this->normalize($model->serialize());
102			$values['id'] = $id;
103			$this->exec($this->buildInsertQuery($values, $table), $values);
104			}
105
106			/**
107			* {@inheritdoc}
108			*/
109			public function remove($id, $table)
110			{
111			$values = array('id' => $this->resolveValue($id));
112			$this->exec(sprintf('DELETE FROM %s WHERE id = :id', $this->quote($table)), $values);
113			}
114
115			/**
116			* {@inheritdoc}
117			*/
118			public function findById($id, $table, $class)
119			{
120			$finder = $this->finder($table, $class);
121
122			return $finder->where($finder->expr()->equal('id', $this->resolveValue($id)))->first();
123			}
124
125			/**
126			* {@inheritdoc}
127			*/
128			public function finder($table, $class)
129			{
130			return new PdoFinder($this, $table, $class, $this->config->getParser(), $this->quote);
131			}
132
133			/**
134			* Execute query without statement.
135			*
136			* @param string $sql
137			* @param array $values
138			*/
139			public function exec($sql, array $values = array())
140			{
141			if (!empty($values)) {
142			$normalized = array();
143			foreach ($values as $index => $value) {
144			$normalized[':' . $index] = $value;
145			}
146
147			$values = $normalized;
148			}
149
150			try {
151			$conn = $this->conn->prepare($sql);
152			$conn->execute($values);
153			} catch (\PDOException $e) {
154			throw new PdoException($e);
155			}
156			}
157
158			/**
159			* Execute query with statement.
160			*
161			* @param string $sql
162			* @param int $mode
163			*
164			* @return PDOStatement
165			*/
166			public function query($sql, $mode = PhpPdo::FETCH_ASSOC)
167			{
168			try {
169			return $this->conn->query($sql, $mode);
170			} catch (\PDOException $e) {
171			throw new PdoException($e);
172			}
173			}
174
175			/**
176			* @return int
177			*/
178			public function getTransactionLevel()
179			{
180			return $this->transactionLevel;
181			}
182
183			/**
184			* @return boolean
185			*/
186			public function isTransactional()
187			{
188			return $this->transactional;
189			}
190
191			/**
192			* Begin transaction
193			*/
194			public function beginTransaction()
195			{
196			$this->transactional = true;
197			if (0 === $this->transactionLevel) {
198			$this->conn->beginTransaction();
199			}
200
201			$this->transactionLevel += 1;
202			}
203
204			/**
205			* Rollback transaction
206			*/
207			public function rollback()
208			{
209			$this->transactionLevel = 0;
210			$this->transactional = false;
211			$this->conn->rollBack();
212			}
213
214			/**
215			* Commit transaction.
216			*/
217			public function commit()
218			{
219			$this->transactionLevel -= 1;
220			$this->transactional = false;
221			if (0 === $this->transactionLevel) {
222			$this->conn->commit();
223			}
224			}
225
226			/**
227			* Compute fields to expressions.
228			*
229			* @param array $fields
230			* @param PdoFinder $finder
231			*
232			* @return PdoCompositeExpression
233			*/
234			protected function computeFieldsExpression(array $fields, PdoFinder $finder)
235			{
236			$expressions = array();
237			foreach ($fields as $name => $value) {
238			$expressions[] = $finder->expr()->equal($name, $value);
239			}
240
241			return new PdoCompositeExpression(CompositeExpressionInterface::LOGICAL_AND, $expressions);
242			}
243
244			/**
245			* Normalize value.
246			*
247			* @param array $values
248			*
249			* @return array
250			*/
251			protected function normalize(array $values)
252			{
253			foreach ($values as $name => $value) {
254			if (is_array($value)) {
255			throw new InvalidArgumentException(
256			sprintf(
257			'Cannot parse value with named "%s", data should be flat array.',
258			$name
259			)
260			);
261			}
262
263			if (is_bool($value)) {
264			$value = true === $value ? 'true' : 'false';
265			}
266
267			$values[$name] = self::castType($value);
268			}
269
270			return $values;
271			}
272
273			/**
274			* Build query update.
275			*
276			* @param array $values
277			* @param array $conditions
278			* @param string $table
279			*
280			* @return string
281			*/
282			protected function buildUpdateQuery(array $values, array $conditions, $table)
283			{
284			$sets = $this->buildDataSets($values);
285			$wheres = $this->buildDataSets($conditions);
286
287			return
288			'UPDATE ' . $this->quote($table) .
289			' SET ' . implode(', ', $sets) .
290			' WHERE ' . implode(' AND ', $wheres);
291			}
292
293			/**
294			* Build insert query.
295			*
296			* @param array $values
297			* @param string $table
298			*
299			* @return string
300			*/
301			public function buildInsertQuery(array $values, $table)
302			{
303			$keys = array_map(array($this, 'quote'), array_keys($values));
304			$values = array_keys($values);
305
306			return
307			'INSERT INTO ' . $this->quote($table) .
308			' (' . implode(', ', $keys) . ') VALUES (:' . implode(', :', $values) . ')';
309			}
310
311			/**
312			* Build data sets.
313			*
314			* @param array $parts
315			*
316			* @return array
317			*/
318			protected function buildDataSets(array $parts)
319			{
320			$sets = array();
321			foreach ($parts as $name => $value) {
322			$sets[] = $this->quote($name) . '=:' . $name;
323			}
324
325			return $sets;
326			}
327
328			/**
329			* Quote field.
330			*
331			* @param string $field
332			*
333			* @return string
334			*/
335			protected function quote($field)
336			{
337			return $this->quote . $field . $this->quote;
338			}
339
340			/**
341			* @param mixed $value
342			*
343			* @return mixed\|null\|string
344			*/
345			protected function resolveValue($value)
346			{
347			if ($value instanceof ValuableInterface) {
348			return $value->getValue();
349			}
350
351			if ($value instanceof StringInterface) {
352			return (string) $value;
353			}
354
355			return $value;
356			}
357			}
358

borobudur-php / borobudur-cqrs

Push — master ( 0b2a25...ebfed1 )

Pdo::getTransactionLevel() A

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