ivyforms / backend / src / Services / InstallActions / Migrations / AddCcBccToNotifications.php

AddCcBccToNotifications.php in The Innovative Form Builder – IvyForms 1.4, at backend/src/Services/InstallActions/Migrations/AddCcBccToNotifications.php

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1	<?php
2
3	namespace IvyForms\Services\InstallActions\Migrations;
4
5	use IvyForms\Services\InstallActions\DB\Notification\NotificationsTable;
6	use IvyForms\Services\Translations\BackendStrings;
7
8	class AddCcBccToNotifications
9	{
10	/**
11	* Run the migration
12	*
13	* @return bool
14	*/
15	public static function run(): bool
16	{
17	global $wpdb;
18
19	$tableName = NotificationsTable::getTableName();
20
21	$ccColumnExists = self::columnExists($wpdb, $tableName, 'cc');
22	$bccColumnExists = self::columnExists($wpdb, $tableName, 'bcc');
23
24	if ($ccColumnExists === null \|\| $bccColumnExists === null) {
25	error_log(sprintf(
26	BackendStrings::getExceptionStrings()['migration_error_add_column'],
27	'cc/bcc',
28	$tableName
29	));
30
31	return false;
32	}
33
34	$columnsToAdd = [];
35	if (!$ccColumnExists) {
36	$columnsToAdd[] = '`cc` VARCHAR(500) NULL AFTER `receiver`';
37	}
38	if (!$bccColumnExists) {
39	$columnsToAdd[] = '`bcc` VARCHAR(500) NULL AFTER `cc`';
40	}
41
42	if ($columnsToAdd === []) {
43	return true;
44	}
45
46	$alterQuery = "ALTER TABLE `{$tableName}` ADD COLUMN "
47	. implode(', ADD COLUMN ', $columnsToAdd);
48
49	$result = $wpdb->query($alterQuery);
50
51	if ($result === false) {
52	error_log(sprintf(
53	BackendStrings::getExceptionStrings()['migration_error_add_column'],
54	'cc/bcc',
55	$tableName
56	));
57	return false;
58	}
59
60	return true;
61	}
62
63	public static function rollback(): bool
64	{
65	global $wpdb;
66
67	$tableName = NotificationsTable::getTableName();
68
69	$ccExists = self::columnExists($wpdb, $tableName, 'cc');
70	if ($ccExists === null) {
71	return false;
72	}
73
74	if ($ccExists && $wpdb->query("ALTER TABLE `{$tableName}` DROP COLUMN `cc`") === false) {
75	return false;
76	}
77
78	$bccExists = self::columnExists($wpdb, $tableName, 'bcc');
79	if ($bccExists === null) {
80	return false;
81	}
82
83	if ($bccExists && $wpdb->query("ALTER TABLE `{$tableName}` DROP COLUMN `bcc`") === false) {
84	return false;
85	}
86
87	return true;
88	}
89
90	/**
91	* @param \wpdb $wpdb
92	* @return bool\|null True when present, false when absent, null when lookup failed
93	*/
94	private static function columnExists($wpdb, string $tableName, string $column): ?bool
95	{
96	$results = $wpdb->get_results(
97	"SHOW COLUMNS FROM `{$tableName}` LIKE '{$column}'"
98	);
99
100	if ($results === null) {
101	return null;
102	}
103
104	return !empty($results);
105	}
106	}
107