css-javascript-toolbox / framework / ServicesFW / Installer.abstract.php

Installer.abstract.php in CSS & JavaScript Toolbox 11.4, at framework/ServicesFW/Installer.abstract.php

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1	<?php
2	/**
3	*
4	*/
5
6	/**
7	*
8	*/
9	abstract class CJTServicesInstaller extends CJTServicesModel {
10
11	// INSTALLER STATES
12	const STATE_DOWNGRADE = -1;
13	const STATE_FRESH_INSTALL = 2;
14	const STATE_INSTALLED = 0;
15	const STATE_UPGRADE = 1;
16
17	/**
18	* put your comment there...
19	*
20	* @var mixed
21	*/
22	protected $_currentVersion;
23
24	/**
25	* put your comment there...
26	*
27	* @var mixed
28	*/
29	protected $_upgraders = array();
30
31	/**
32	* put your comment there...
33	*
34	* @var mixed
35	*/
36	protected $installedVersion = null;
37
38	/**
39	* put your comment there...
40	*
41	*/
42	public function __construct( )
43	{
44
45	parent::__construct();
46
47	// Current version is the latest version on the upgraders array
48	$this->_currentVersion = end( $this->_upgraders );
49
50	}
51
52	/**
53	* put your comment there...
54	*
55	*/
56	public function getInstalledVersion()
57	{
58	return $this->installedVersion;
59	}
60
61	/**
62	* put your comment there...
63	*
64	*/
65	public function getState()
66	{
67
68	$installedVersion = $this->getInstalledVersion();
69
70	return ! $installedVersion ?
71	self::STATE_FRESH_INSTALL : // Never installed
72	version_compare( $this->_currentVersion, $installedVersion ); // Upgrade, Installed, Downgrade
73	}
74
75	/**
76	* put your comment there...
77	*
78	* @param mixed $version
79	*/
80	public function getUpgraderIndex( $version )
81	{
82	return array_search( $version, $this->_upgraders );
83	}
84
85	/**
86	* put your comment there...
87	*
88	* @param mixed $version
89	*/
90	public function getUpgraderName( $version )
91	{
92	return str_replace( array( '.', '-' ), '', $version );
93	}
94
95	/**
96	* put your comment there...
97	*
98	*/
99	public function install()
100	{
101	return $this->processUpgraders( 0 );
102	}
103
104	/**
105	* put your comment there...
106	*
107	* @param mixed $version
108	*/
109	public function processUpgraders( $upgraderIndex )
110	{
111
112	# Call all exists upgraders start from $version upgrader
113	# to the end of tehe upgraders array
114	for ( ; $upgraderIndex < count( $this->_upgraders ); $upgraderIndex ++ )
115	{
116
117	$upgraderName = $this->getUpgraderName( $this->_upgraders[ $upgraderIndex ] );
118
119	$upgraderMethodName = "_upgrade{$upgraderName}";
120
121	if ( method_exists( $this, $upgraderMethodName ) )
122	{
123	if ( ! $this->$upgraderMethodName() )
124	{
125	return false;
126	}
127
128	}
129
130	}
131
132	$this->installedVersion = $this->_currentVersion;
133
134	$this->saveState();
135
136	return true;
137	}
138
139	/**
140	* put your comment there...
141	*
142	*/
143	public function upgrade()
144	{
145
146	$upgraderIndex = $this->getUpgraderIndex( $this->_currentVersion );
147
148	if ( $upgraderIndex === FALSE )
149	{
150	throw new Exception( "Upgrader does not exists!!!" );
151	}
152
153	return $this->processUpgraders( $upgraderIndex );
154
155	}
156
157	}