easy-invoice / includes / Migration / VersionChecker.php

VersionChecker.php in Easy Invoice – Invoice Generator, PDF Quotes & Payments 2.4.1, at includes/Migration/VersionChecker.php

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1	<?php
2	/**
3	* Version Checker for Easy Invoice
4	*
5	* @package EasyInvoice
6	* @subpackage Migration
7	* @since 2.0.0
8	*/
9
10	namespace EasyInvoice\Migration;
11
12	/**
13	* Version Checker Class
14	*
15	* Handles version checking and comparison.
16	*
17	* @since 2.0.0
18	*/
19	class VersionChecker {
20
21	/**
22	* Target version.
23	*
24	* @since 2.0.0
25	* @var string
26	*/
27	private $target_version = '2.0.0';
28
29	/**
30	* Singleton instance.
31	*
32	* @since 2.0.0
33	* @var VersionChecker
34	*/
35	private static $instance = null;
36
37	/**
38	* Get singleton instance.
39	*
40	* @since 2.0.0
41	* @return VersionChecker
42	*/
43	public static function get_instance(): VersionChecker {
44	if (self::$instance === null) {
45	self::$instance = new self();
46	}
47	return self::$instance;
48	}
49
50	/**
51	* Get stored version.
52	*
53	* @since 2.0.0
54	* @return string
55	*/
56	public function get_stored_version(): string {
57	// First check the new option name
58	$version = get_option('easy_invoice_version');
59	if ($version !== false) {
60	return $this->sanitize_version($version);
61	}
62
63	// Check old option name
64	$version = get_option('easy_invoice_db_version');
65	if ($version !== false) {
66	return $this->sanitize_version($version);
67	}
68
69	// Check if old plugin exists
70	if ($this->old_plugin_exists()) {
71	return '1.0.0';
72	}
73
74	// Default to current version if no old version found
75	return $this->target_version;
76	}
77
78	/**
79	* Get target version.
80	*
81	* @since 2.0.0
82	* @return string
83	*/
84	public function get_target_version(): string {
85	return $this->target_version;
86	}
87
88	/**
89	* Check if migration is needed.
90	*
91	* @since 2.0.0
92	* @return bool
93	*/
94	public function is_migration_needed(): bool {
95	// If migration was skipped, don't show it again
96	if (get_option('easy_invoice_migration_skipped', false)) {
97	return false;
98	}
99
100	// If migration is completed, no need to migrate
101	if ($this->is_migration_completed()) {
102	return false;
103	}
104
105	// Check if old plugin exists
106	if ($this->old_plugin_exists()) {
107	return true;
108	}
109
110	// Check version comparison
111	$current_version = $this->get_stored_version();
112
113	// If current version is already 2.0.0 or higher and no old data exists,
114	// this is likely a fresh installation, so no migration needed
115	if (version_compare($current_version, $this->target_version, '>=')) {
116	return false;
117	}
118
119	return version_compare($current_version, $this->target_version, '<');
120	}
121
122	/**
123	* Check if migration is completed.
124	*
125	* @since 2.0.0
126	* @return bool
127	*/
128	public function is_migration_completed(): bool {
129	// Check if migration completed flag is set
130	$is_completed = get_option('easy_invoice_migration_completed', false);
131
132	// Also verify version is up to date
133	if ($is_completed) {
134	$current_version = $this->get_stored_version();
135	return version_compare($current_version, $this->target_version, '>=');
136	}
137
138	return false;
139	}
140
141	/**
142	* Check if migration is running.
143	*
144	* @since 2.0.0
145	* @return bool
146	*/
147	public function is_migration_running(): bool {
148	return get_option('easy_invoice_migration_running', false);
149	}
150
151	/**
152	* Get migration status.
153	*
154	* @since 2.0.0
155	* @return string Status: 'needed', 'running', 'completed', or 'not_needed'
156	*/
157	public function get_migration_status(): string {
158	if ($this->is_migration_running()) {
159	return 'running';
160	}
161
162	if ($this->is_migration_completed()) {
163	return 'completed';
164	}
165
166	if ($this->is_migration_needed()) {
167	return 'needed';
168	}
169
170	return 'not_needed';
171	}
172
173	/**
174	* Check if old plugin exists.
175	*
176	* @since 2.0.0
177	* @return bool
178	*/
179	private function old_plugin_exists(): bool {
180	global $wpdb;
181
182	// Check if old post types exist
183	$old_post_types = ['easy-invoice', 'easy-invoice-quotes', 'easy-invoice-payment'];
184	foreach ($old_post_types as $post_type) {
185	$count = $wpdb->get_var(
186	$wpdb->prepare(
187	"SELECT COUNT(*) FROM {$wpdb->posts} WHERE post_type = %s LIMIT 1",
188	$post_type
189	)
190	);
191
192	if ($count > 0) {
193	return true;
194	}
195	}
196
197	// Check if old options exist
198	$old_options = [
199	'easy_invoice_business_name',
200	'easy_invoice_business_address',
201	'easy_invoice_currency',
202	'easy_invoice_tax_rate',
203	'easy_invoice_invoice_number',
204	'easy_invoice_quote_number'
205	];
206
207	foreach ($old_options as $option) {
208	if (get_option($option) !== false) {
209	return true;
210	}
211	}
212
213	return false;
214	}
215
216	/**
217	* Mark migration as completed for fresh installations.
218	*
219	* @since 2.0.0
220	* @return void
221	*/
222	public function mark_fresh_installation_completed(): void {
223	update_option('easy_invoice_version', $this->target_version);
224	update_option('easy_invoice_migration_completed', true);
225	}
226
227	/**
228	* Check if this is a fresh installation (no old data and version is current).
229	*
230	* @since 2.0.0
231	* @return bool
232	*/
233	public function is_fresh_installation(): bool {
234	// If migration is already completed, it's not a fresh installation
235	if ($this->is_migration_completed()) {
236	return false;
237	}
238
239	// If old plugin data exists, it's not a fresh installation
240	if ($this->old_plugin_exists()) {
241	return false;
242	}
243
244	// Check if current version is already up to date
245	$current_version = $this->get_stored_version();
246	return version_compare($current_version, $this->target_version, '>=');
247	}
248
249
250
251	/**
252	* Sanitize version string.
253	*
254	* @since 2.0.0
255	* @param string $version Version string
256	* @return string
257	*/
258	private function sanitize_version(string $version): string {
259	// Remove any non-version characters
260	$version = preg_replace('/[^0-9.]/', '', $version);
261
262	// Ensure at least major.minor.patch format
263	$parts = explode('.', $version);
264	while (count($parts) < 3) {
265	$parts[] = '0';
266	}
267
268	return implode('.', array_slice($parts, 0, 3));
269	}
270	}