Completed
Push — master ( 641849...a2a51e )
by Lawrence
01:49
created

Database::databases()   A

Complexity

Conditions 2
Paths 2

Size

Total Lines 10
Code Lines 5

Duplication

Lines 0
Ratio 0 %

Code Coverage

Tests 6
CRAP Score 2

Importance

Changes 0
Metric Value
cc 2
eloc 5
nc 2
nop 0
dl 0
loc 10
ccs 6
cts 6
cp 1
crap 2
rs 9.4285
c 0
b 0
f 0
1
<?php
2
declare(strict_types=1);
3
4
/*
5
 +-----------------------------------------------------------------------------+
6
 | PHPPackage - PDO Wrapper
7
 +-----------------------------------------------------------------------------+
8
 | Copyright (c)2018 (http://github.com/phppackage/pdo-wrapper)
9
 +-----------------------------------------------------------------------------+
10
 | This source file is subject to MIT License
11
 | that is bundled with this package in the file LICENSE.
12
 |
13
 | If you did not receive a copy of the license and are unable to
14
 | obtain it through the world-wide-web, please send an email
15
 | to [email protected] so we can send you a copy immediately.
16
 +-----------------------------------------------------------------------------+
17
 | Authors:
18
 |   Lawrence Cherone <[email protected]>
19
 +-----------------------------------------------------------------------------+
20
 */
21
22
namespace PHPPackage\PDOWrapper;
23
24
class Database
25
{
26
    /**
27
     * @var \PHPPackage\PDOWrapper\PDO
28
     */
29
    private $pdo;
30
    
31
    /**
32
     * @var array PDO attribute keys.
33
     */
34
    private $attributes = array(
35
        'AUTOCOMMIT', 'ERRMODE', 'CASE', 'CLIENT_VERSION', 'CONNECTION_STATUS',
36
        'ORACLE_NULLS', 'PERSISTENT', 'PREFETCH', 'SERVER_INFO', 'SERVER_VERSION',
37
        'TIMEOUT', 'DRIVER_NAME'
38
    );
39
40
    /**
41
     *
42
     */
43 11
    public function __construct(PDO $pdo)
44
    {
45 11
        $this->pdo = $pdo;
46 11
    }
47
    
48
    /**
49
     * Enumarate PDO attributes
50
     *
51
     * @param string $key Pick out a attribute by key
52
     * @return mixed
53
     */
54 6
    public function info(string $key = null)
55
    {
56 6
        $return = [];
57 6
        foreach ($this->attributes as $value) {
58
            try {
59 6
                $return['PDO::ATTR_'.$value] = $this->pdo->getAttribute(constant('PDO::ATTR_'.$value));
60 6
            } catch (\PDOException $e) {
61 6
                $return['PDO::ATTR_'.$value] = null;
62
            }
63
        }
64 6
        return (!is_null($key) && isset($return[$key])) ? $return[$key] : $return;
65
    }
66
67
    /**
68
     * Get database name from dsn
69
     *
70
     * @throws RuntimeException
71
     * @return string
72
     */
73 4
    public function name(string $dsn): string
74
    {
75
        // match database from dsn & set working vars
76 4
        if (!preg_match('/dbname=(\w+);/', $dsn, $results)) {
77 1
            throw new \RuntimeException('Could not match database name from dsn');
78
        }
79
80 3
        return $results[1];
81
    }
82
83
    /**
84
     * Create database
85
     *
86
     * @return bool
87
     */
88 1
    public function create(string $name, $username, $password): bool
89
    {
90 1
        if (!in_array($name, $this->databases())) {
91 1
            return (bool) $this->pdo->exec("
92 1
                CREATE DATABASE `$name`;
93 1
                CREATE USER '{$username}'@'%' IDENTIFIED BY '{$password}';
94 1
                GRANT ALL ON `$name`.* TO '{$username}'@'%';
95
                FLUSH PRIVILEGES;
96
            ");
97
        }
98 1
        return false;
99
    }
100
101
    /**
102
     * Returns an array of databases
103
     * @return mixed
104
     */
105 2
    public function databases(): array
106
    {
107 2
        $stmt = $this->pdo->query("SHOW DATABASES");
108
109 1
        $result = [];
110 1
        while ($row = $stmt->fetchColumn(0)) {
111 1
            $result[] = $row;
112
        }
113
114 1
        return $result;
115
    }
116
117
    /**
118
     * Returns an array of tables
119
     * @return array
120
     */
121 1
    public function tables(): array
122
    {
123 1
        $stmt = $this->pdo->query("SHOW TABLES");
124
125 1
        $result = [];
126 1
        while ($row = $stmt->fetchColumn(0)) {
127 1
            $result[] = $row;
128
        }
129
130 1
        return $result;
131
    }
132
}
133