PdoReader::rewind() - Code Metrics - ddeboer/data-import - Measure and Improve Code Quality continuously with Scrutinizer

PdoReader::rewind() A
last analyzed 2017-08-31 09:23 UTC

↳ Parent: PdoReader

Complexity

Conditions	1
Paths	1

Size

Total Lines	6
Code Lines	3

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	4
CRAP Score	1

Importance

Changes

Metric	Value
dl	0
loc	6
rs	9.4285
c	0
b	0
f	0
ccs	4
cts	4
cp	1
cc	1
eloc	3
nc	1
nop	0
crap	1

<?php

namespace Ddeboer\DataImport\Reader;

/**
 * Reads data through PDO
 *
 * @author Robbie Mackay
 */
class PdoReader implements CountableReader
{
    /**
     * @var \PDO
     */
    protected $pdo;

    /**
     * @var string
     */
    protected $tableName;

    /**
     * @var \PDOStatement
     */
    protected $statement;

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

    /**
     * @param \PDO   $pdo
     * @param string $sql
     * @param array  $params
     */
    public function __construct(\PDO $pdo, $sql, array $params = [])
    {
        $this->pdo = $pdo;
        $this->statement = $this->pdo->prepare($sql);

        foreach ($params as $key => $value) {
            $this->statement->bindValue($key, $value);
        }
    }

    /**
     * {@inheritdoc}
     */
    public function getFields()
    {
        if ($this->statement->execute()) {
            // Statement executed successfully
            // Grab the first row to find keys
            $row = $this->statement->fetch(\PDO::FETCH_ASSOC);
            // Return field keys, or empty array no rows remain
            return array_keys($row ? $row : []);
        } else {
            // If the statement errors return empty
            return [];
        }
    }

    /**
     * {@inheritdoc}
     */
    public function current()
    {
        return current($this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function next()
    {
        next($this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function key()
    {
        return key($this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function valid()
    {
        $key = key($this->data);

        return ($key !== null && $key !== false);
    }

    /**
     * {@inheritdoc}
     */
    public function rewind()
    {
        $this->loadData();

        reset($this->data);
    }

    /**
     * {@inheritdoc}
     */
    public function count()
    {
        $this->loadData();

        return count($this->data);
    }

    /**
     * Load data if it hasn't been loaded yet
     */
    protected function loadData()
    {
        if (null === $this->data) {
            $this->statement->execute();
            $this->data = $this->statement->fetchAll(\PDO::FETCH_ASSOC);
        }
    }
}


1		<?php
2
3		namespace Ddeboer\DataImport\Reader;
4
5		/**
6		* Reads data through PDO
7		*
8		* @author Robbie Mackay
9		*/
10		class PdoReader implements CountableReader
11		{
12		/**
13		* @var \PDO
14		*/
15		protected $pdo;
16
17		/**
18		* @var string
19		*/
20		protected $tableName;
21
22		/**
23		* @var \PDOStatement
24		*/
25		protected $statement;
26
27		/**
28		* @var array
29		*/
30		private $data;
31
32		/**
33		* @param \PDO $pdo
34		* @param string $sql
35		* @param array $params
36		*/
37	4	public function __construct(\PDO $pdo, $sql, array $params = [])
38		{
39	4	$this->pdo = $pdo;
40	4	$this->statement = $this->pdo->prepare($sql);
41
42	4	foreach ($params as $key => $value) {
43		$this->statement->bindValue($key, $value);
44	4	}
45	4	}
46
47		/**
48		* {@inheritdoc}
49		*/
50	1	public function getFields()
51		{
52	1	if ($this->statement->execute()) {
53		// Statement executed successfully
54		// Grab the first row to find keys
55	1	$row = $this->statement->fetch(\PDO::FETCH_ASSOC);
56		// Return field keys, or empty array no rows remain
57	1	return array_keys($row ? $row : []);
58		} else {
59		// If the statement errors return empty
60		return [];
61		}
62		}
63
64		/**
65		* {@inheritdoc}
66		*/
67	2	public function current()
68		{
69	2	return current($this->data);
70		}
71
72		/**
73		* {@inheritdoc}
74		*/
75	2	public function next()
76		{
77	2	next($this->data);
78	2	}
79
80		/**
81		* {@inheritdoc}
82		*/
83		public function key()
84		{
85		return key($this->data);
86		}
87
88		/**
89		* {@inheritdoc}
90		*/
91	2	public function valid()
92		{
93	2	$key = key($this->data);
94
95	2	return ($key !== null && $key !== false);
96		}
97
98		/**
99		* {@inheritdoc}
100		*/
101	2	public function rewind()
102		{
103	2	$this->loadData();
104
105	2	reset($this->data);
106	2	}
107
108		/**
109		* {@inheritdoc}
110		*/
111	1	public function count()
112		{
113	1	$this->loadData();
114
115	1	return count($this->data);
116		}
117
118		/**
119		* Load data if it hasn't been loaded yet
120		*/
121	3	protected function loadData()
122		{
123	3	if (null === $this->data) {
124	3	$this->statement->execute();
125	3	$this->data = $this->statement->fetchAll(\PDO::FETCH_ASSOC);
126	3	}
127	3	}
128		}
129

ddeboer / data-import

PdoReader::rewind() A last analyzed 2017-08-31 09:23 UTC

Complexity

Size

Duplication

Code Coverage

Importance

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PdoReader::rewind() A
last analyzed 2017-08-31 09:23 UTC