Pdo::findOne() - Code Metrics - Inspection of "Add scope and bug fixing" - borobudur-php/borobudur-cqrs - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 6738b5...e02aed )

by Iqbal

created 2016-03-22 20:16 UTC

Pdo::findOne() A

↳ Parent: Pdo::exec()

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
c	1
b	0
f	0
dl	0
loc	6
rs	9.4285
cc	1
eloc	3
nc	1
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\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 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);
        if (null !== $prev = $this->findById($model->getId(), $table, $class)) {
            $values = $this->normalize(array_merge($prev->serialize(), $model->serialize()));
            $conditions = $this->normalize(array('id' => $model->getId()));
            unset($values['id']);
            $this->exec($this->buildUpdateQuery($values, $conditions, $table), array_merge($values, $conditions));

            return;
        }

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

    /**
     * {@inheritdoc}
     */
    public function remove($id, $table)
    {
        $values = array('id' => $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', $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;
    }
}


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

borobudur-php / borobudur-cqrs

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Pdo::findOne() A

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