1
|
|
|
<?php |
2
|
|
|
|
3
|
|
|
namespace Dami\Migration; |
4
|
|
|
|
5
|
|
|
use Rentgen\Database\Connection\Connection; |
6
|
|
|
use Rentgen\Database\Table; |
7
|
|
|
use Rentgen\Database\Column\DateTimeColumn; |
8
|
|
|
use Rentgen\Database\Column\BigIntegerColumn; |
9
|
|
|
use Rentgen\Database\Constraint\PrimaryKey; |
10
|
|
|
use Rentgen\Schema\Manipulation; |
11
|
|
|
use Rentgen\Schema\Info; |
12
|
|
|
|
13
|
|
|
/** |
14
|
|
|
* @author Arek Jaskólski <[email protected]> |
15
|
|
|
*/ |
16
|
|
|
class SchemaTable |
17
|
|
|
{ |
18
|
|
|
private $connection; |
19
|
|
|
private $manipulation; |
20
|
|
|
private $info; |
21
|
|
|
|
22
|
|
|
/** |
23
|
|
|
* Constructor. |
24
|
|
|
* |
25
|
|
|
* @param Connection $connection Connection instance. |
26
|
|
|
* @param Manipulation $manipulation Manipulation instance. |
27
|
|
|
* @param Info $info Info instance. |
28
|
|
|
*/ |
29
|
|
|
public function __construct(Connection $connection, Manipulation $manipulation, Info $info) |
30
|
|
|
{ |
31
|
|
|
$this->connection = $connection; |
32
|
|
|
$this->manipulation = $manipulation; |
33
|
|
|
$this->info = $info; |
34
|
|
|
} |
35
|
|
|
|
36
|
|
|
/** |
37
|
|
|
* Migrare to given version. |
38
|
|
|
* |
39
|
|
|
* @param string $version Version of migration. |
40
|
|
|
* |
41
|
|
|
* @return void |
42
|
|
|
*/ |
43
|
|
|
public function migrateToVersion($version) |
44
|
|
|
{ |
45
|
|
|
$this->createIfNotExists(); |
46
|
|
|
$currentVersion = $this->getCurrentVersion(); |
47
|
|
|
if ((int) $version > $currentVersion) { |
48
|
|
|
$this->up($version); |
49
|
|
|
} else { |
50
|
|
|
$this->down($version); |
51
|
|
|
} |
52
|
|
|
} |
53
|
|
|
|
54
|
|
|
/** |
55
|
|
|
* Get all versions of migrations. |
56
|
|
|
* |
57
|
|
|
* @return array Versions of migrations. |
58
|
|
|
*/ |
59
|
|
|
public function getVersions() |
60
|
|
|
{ |
61
|
|
|
$this->createIfNotExists(); |
62
|
|
|
$sql = 'SELECT version FROM schema_migration ORDER BY version DESC'; |
63
|
|
|
$versions = array(); |
64
|
|
|
foreach ($this->connection->query($sql) as $row) { |
65
|
|
|
$versions[] = $row['version']; |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
return $versions; |
69
|
|
|
} |
70
|
|
|
|
71
|
|
|
/** |
72
|
|
|
* Get current version of migration. |
73
|
|
|
* |
74
|
|
|
* @return integer |
75
|
|
|
*/ |
76
|
|
|
public function getCurrentVersion() |
77
|
|
|
{ |
78
|
|
|
$versions = $this->getVersions(); |
79
|
|
|
|
80
|
|
|
return count($versions) > 0 ? $versions[0] : 0; |
81
|
|
|
} |
82
|
|
|
|
83
|
|
|
/** |
84
|
|
|
* Get previous version of migration. |
85
|
|
|
* |
86
|
|
|
* @return integer |
87
|
|
|
*/ |
88
|
|
|
public function getPreviousVersion() |
89
|
|
|
{ |
90
|
|
|
$versions = $this->getVersions(); |
91
|
|
|
|
92
|
|
|
return count($versions) > 1 ? $versions[1] : 0; |
93
|
|
|
} |
94
|
|
|
|
95
|
|
|
/** |
96
|
|
|
* Add a new migrate entry. |
97
|
|
|
* |
98
|
|
|
* @param string $version Version of migration. |
99
|
|
|
* |
100
|
|
|
* @return void |
101
|
|
|
*/ |
102
|
|
|
private function up($version) |
103
|
|
|
{ |
104
|
|
|
$sql = sprintf('INSERT INTO schema_migration (version,created_at) VALUES (%s, now())', $version); |
105
|
|
|
$this->connection->execute($sql); |
106
|
|
|
} |
107
|
|
|
|
108
|
|
|
/** |
109
|
|
|
* Delete a migrate entry. |
110
|
|
|
* |
111
|
|
|
* @param string $version Version of migration. |
112
|
|
|
* |
113
|
|
|
* @return void |
114
|
|
|
*/ |
115
|
|
|
private function down($version) |
116
|
|
|
{ |
117
|
|
|
$sql = sprintf('DELETE FROM schema_migration WHERE version = \'%s\'', $version); |
118
|
|
|
$this->connection->execute($sql); |
119
|
|
|
} |
120
|
|
|
|
121
|
|
|
/** |
122
|
|
|
* Create schema table if not exists. |
123
|
|
|
* |
124
|
|
|
* @return void |
125
|
|
|
*/ |
126
|
|
|
private function createIfNotExists() |
127
|
|
|
{ |
128
|
|
|
$table = new Table('schema_migration'); |
129
|
|
|
if ($this->info->isTableExists($table)) { |
130
|
|
|
return; |
131
|
|
|
} |
132
|
|
|
$primaryKey = new PrimaryKey(array('version')); |
133
|
|
|
$primaryKey->disableAutoIncrement(); |
134
|
|
|
|
135
|
|
|
$table->addConstraint($primaryKey); |
136
|
|
|
$table |
137
|
|
|
->addColumn(new BigIntegerColumn('version')) |
138
|
|
|
->addColumn(new DateTimeColumn('created_at', array('nullable' => false, 'default' => 'now()'))); |
139
|
|
|
$this->manipulation->create($table); |
140
|
|
|
} |
141
|
|
|
} |
142
|
|
|
|