wordpress-seo / lib / migrations / migration.php

migration.php in Yoast SEO – Advanced SEO with real-time guidance and built-in AI 19.0, at lib/migrations/migration.php

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1	<?php
2
3	namespace Yoast\WP\Lib\Migrations;
4
5	/**
6	* Base migration class.
7	*/
8	abstract class Migration {
9
10	/**
11	* The plugin this migration belongs to.
12	*
13	* @var string
14	*/
15	public static $plugin = 'unknown';
16
17	/**
18	* The adapter.
19	*
20	* @var Adapter
21	*/
22	private $adapter;
23
24	/**
25	* Performs the migration.
26	*
27	* @return void
28	*/
29	abstract public function up();
30
31	/**
32	* Reverts the migration.
33	*
34	* @return void
35	*/
36	abstract public function down();
37
38	/**
39	* Creates a new migration.
40	*
41	* @param Adapter $adapter The current adapter.
42	*/
43	public function __construct( Adapter $adapter ) {
44	$this->set_adapter( $adapter );
45	}
46
47	/**
48	* Sets an adapter.
49	*
50	* @param Adapter $adapter The adapter to set.
51	*
52	* @return $this\|null
53	*/
54	public function set_adapter( $adapter ) {
55	if ( ! $adapter instanceof Adapter ) {
56	return;
57	}
58	$this->adapter = $adapter;
59	return $this;
60	}
61
62	/**
63	* Returns the current adapter.
64	*
65	* @return object
66	*/
67	public function get_adapter() {
68	return $this->adapter;
69	}
70
71	/**
72	* Creates a database.
73	*
74	* @param string $name The name of the database.
75	* @param array\|null $options The options.
76	*
77	* @return bool
78	*/
79	public function create_database( $name, $options = null ) {
80	return $this->adapter->create_database( $name, $options );
81	}
82
83	/**
84	* Drops a database.
85	*
86	* @param string $name The name of the database.
87	*
88	* @return bool
89	*/
90	public function drop_database( $name ) {
91	return $this->adapter->drop_database( $name );
92	}
93
94	/**
95	* Drops a table.
96	*
97	* @param string $table_name The name of the table.
98	*
99	* @return bool
100	*/
101	public function drop_table( $table_name ) {
102	return $this->adapter->drop_table( $table_name );
103	}
104
105	/**
106	* Renames a table.
107	*
108	* @param string $name The name of the table.
109	* @param string $new_name The new name of the table.
110	*
111	* @return bool
112	*/
113	public function rename_table( $name, $new_name ) {
114	return $this->adapter->rename_table( $name, $new_name );
115	}
116
117	/**
118	* Renames a column.
119	*
120	* @param string $table_name The name of the table.
121	* @param string $column_name The column name.
122	* @param string $new_column_name The new column name.
123	*
124	* @return bool
125	*/
126	public function rename_column( $table_name, $column_name, $new_column_name ) {
127	return $this->adapter->rename_column( $table_name, $column_name, $new_column_name );
128	}
129
130	/**
131	* Adds a column.
132	*
133	* @param string $table_name The name of the table.
134	* @param string $column_name The column name.
135	* @param string $type The column type.
136	* @param array\|string $options The options.
137	*
138	* @return bool
139	*/
140	public function add_column( $table_name, $column_name, $type, $options = [] ) {
141	return $this->adapter->add_column( $table_name, $column_name, $type, $options );
142	}
143
144	/**
145	* Removes a column.
146	*
147	* @param string $table_name The name of the table.
148	* @param string $column_name The column name.
149	*
150	* @return bool
151	*/
152	public function remove_column( $table_name, $column_name ) {
153	return $this->adapter->remove_column( $table_name, $column_name );
154	}
155
156	/**
157	* Changes a column.
158	*
159	* @param string $table_name The name of the table.
160	* @param string $column_name The column name.
161	* @param string $type The column type.
162	* @param array\|string $options The options.
163	*
164	* @return bool
165	*/
166	public function change_column( $table_name, $column_name, $type, $options = [] ) {
167	return $this->adapter->change_column( $table_name, $column_name, $type, $options );
168	}
169
170	/**
171	* Adds an index.
172	*
173	* @param string $table_name The name of the table.
174	* @param array\|string $column_name The column name.
175	* @param array\|string $options The options.
176	*
177	* @return bool
178	*/
179	public function add_index( $table_name, $column_name, $options = [] ) {
180	return $this->adapter->add_index( $table_name, $column_name, $options );
181	}
182
183	/**
184	* Removes an index.
185	*
186	* @param string $table_name The name of the table.
187	* @param array\|string $column_name The column name.
188	* @param array\|string $options The options.
189	*
190	* @return bool
191	*/
192	public function remove_index( $table_name, $column_name, $options = [] ) {
193	return $this->adapter->remove_index( $table_name, $column_name, $options );
194	}
195
196	/**
197	* Adds timestamps.
198	*
199	* @param string $table_name The name of the table.
200	* @param string $created_column_name Created at column name.
201	* @param string $updated_column_name Updated at column name.
202	*
203	* @return bool
204	*/
205	public function add_timestamps( $table_name, $created_column_name = 'created_at', $updated_column_name = 'updated_at' ) {
206	return $this->adapter->add_timestamps( $table_name, $created_column_name, $updated_column_name );
207	}
208
209	/**
210	* Removes timestamps.
211	*
212	* @param string $table_name The name of the table.
213	* @param string $created_column_name Created at column name.
214	* @param string $updated_column_name Updated at column name.
215	*
216	* @return bool
217	*/
218	public function remove_timestamps( $table_name, $created_column_name = 'created_at', $updated_column_name = 'updated_at' ) {
219	return $this->adapter->remove_timestamps( $table_name, $created_column_name, $updated_column_name );
220	}
221
222	/**
223	* Creates a table.
224	*
225	* @param string $table_name The name of the table.
226	* @param array\|string $options The options.
227	*
228	* @return bool\|Table
229	*/
230	public function create_table( $table_name, $options = [] ) {
231	return $this->adapter->create_table( $table_name, $options );
232	}
233
234	/**
235	* Execute a query and return the first result.
236	*
237	* @param string $sql The query to run.
238	*
239	* @return array
240	*/
241	public function select_one( $sql ) {
242	return $this->adapter->select_one( $sql );
243	}
244
245	/**
246	* Execute a query and return all results.
247	*
248	* @param string $sql The query to run.
249	*
250	* @return array
251	*/
252	public function select_all( $sql ) {
253	return $this->adapter->select_all( $sql );
254	}
255
256	/**
257	* Execute a query.
258	*
259	* @param string $sql The query to run.
260	*
261	* @return bool
262	*/
263	public function query( $sql ) {
264	return $this->adapter->query( $sql );
265	}
266
267	/**
268	* Returns a quoted string.
269	*
270	* @param string $str The string to quote.
271	*
272	* @return string
273	*/
274	public function quote_string( $str ) {
275	return $this->adapter->quote_string( $str );
276	}
277	}
278