easy-invoice / includes / Services / QuoteNumberService.php

QuoteNumberService.php in Easy Invoice – Invoice Generator, PDF Quotes & Payments 2.1.2, at includes/Services/QuoteNumberService.php

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1	<?php
2	/**
3	* Quote Number Service
4	*
5	* @package Easy_Invoice
6	* @subpackage Services
7	*/
8
9	namespace EasyInvoice\Services;
10
11	/**
12	* QuoteNumberService Class
13	*
14	* Handles automatic generation of quote numbers based on settings.
15	*/
16	class QuoteNumberService {
17
18	/**
19	* Generate the next quote number
20	*
21	* @return string The generated quote number
22	*/
23	public function generateNextNumber(): string {
24	// Get settings
25	$prefix = get_option('easy_invoice_quote_prefix', 'QT-');
26
27	// Get the next number to use
28	$next_number = get_option('easy_invoice_next_quote_number', 1);
29
30	// Find the next unique number
31	$unique_number = $this->findNextUniqueNumber($next_number, $prefix);
32
33	// Update the counter to the number we actually used + 1 for next time
34	update_option('easy_invoice_next_quote_number', $unique_number + 1);
35
36	return $prefix . str_pad($unique_number, 6, '0', STR_PAD_LEFT);
37	}
38
39	/**
40	* Get the next quote number without incrementing
41	*
42	* @return string The next quote number
43	*/
44	public function getNextNumber(): string {
45	$prefix = get_option('easy_invoice_quote_prefix', 'QT-');
46	$next_number = get_option('easy_invoice_next_quote_number', 1);
47
48	// Find what the next unique number would be
49	$unique_number = $this->findNextUniqueNumber($next_number, $prefix);
50
51	return $prefix . str_pad($unique_number, 6, '0', STR_PAD_LEFT);
52	}
53
54	/**
55	* Find the next unique number starting from the given number
56	*
57	* @param int $start_number The number to start checking from
58	* @param string $prefix The prefix to use for checking
59	* @return int The next unique number
60	*/
61	private function findNextUniqueNumber(int $start_number, string $prefix): int {
62	$current_number = $start_number;
63	$max_attempts = 1000; // Prevent infinite loops
64	$attempts = 0;
65
66	while ($attempts < $max_attempts) {
67	$quote_number = $prefix . str_pad($current_number, 6, '0', STR_PAD_LEFT);
68
69	if (!$this->numberExists($quote_number)) {
70	return $current_number;
71	}
72
73	$current_number++;
74	$attempts++;
75	}
76
77	// If we can't find a unique number, add timestamp to ensure uniqueness
78	return $current_number + time();
79	}
80
81	/**
82	* Reset the quote number counter
83	*
84	* @param int $new_starting_number The new starting number
85	* @return void
86	*/
87	public function resetCounter(int $new_starting_number = 1): void {
88	update_option('easy_invoice_next_quote_number', $new_starting_number);
89	}
90
91	/**
92	* Check if a quote number already exists
93	*
94	* @param string $quote_number The quote number to check
95	* @return bool True if the number exists, false otherwise
96	*/
97	public function numberExists(string $quote_number): bool {
98	global $wpdb;
99
100	$result = $wpdb->get_var($wpdb->prepare(
101	"SELECT COUNT(*) FROM {$wpdb->postmeta}
102	WHERE meta_key = '_easy_invoice_quote_number'
103	AND meta_value = %s",
104	$quote_number
105	));
106
107	return intval($result) > 0;
108	}
109
110	/**
111	* Generate a unique quote number (handles duplicates)
112	*
113	* @return string A unique quote number
114	*/
115	public function generateUniqueNumber(): string {
116	// Get settings
117	$prefix = get_option('easy_invoice_quote_prefix', 'QT-');
118
119	// Get the next number to use from the current settings
120	$next_number = get_option('easy_invoice_next_quote_number', 1);
121
122	// Find the next unique number
123	$unique_number = $this->findNextUniqueNumber($next_number, $prefix);
124
125	// Update the counter to the number we actually used + 1 for next time
126	update_option('easy_invoice_next_quote_number', $unique_number + 1);
127
128	return $prefix . str_pad($unique_number, 6, '0', STR_PAD_LEFT);
129	}
130
131	/**
132	* Get the highest quote number from existing quotes
133	*
134	* @return int The highest quote number found
135	*/
136	public function getHighestQuoteNumber(): int {
137	global $wpdb;
138
139	$prefix = get_option('easy_invoice_quote_prefix', 'QT-');
140
141	// Get all quote numbers from the database
142	$results = $wpdb->get_results($wpdb->prepare(
143	"SELECT meta_value FROM {$wpdb->postmeta}
144	WHERE meta_key = '_easy_invoice_quote_number'
145	AND meta_value LIKE %s
146	ORDER BY meta_value DESC
147	LIMIT 1",
148	$prefix . '%'
149	));
150
151	if (empty($results)) {
152	return 0;
153	}
154
155	$highest_number = $results[0]->meta_value;
156
157	// Extract the number part (remove prefix and padding)
158	$number_part = str_replace($prefix, '', $highest_number);
159	$number_part = ltrim($number_part, '0');
160
161	return intval($number_part);
162	}
163
164	/**
165	* Format a quote number with custom formatting
166	*
167	* @param int $number The number to format
168	* @param string $prefix The prefix to use
169	* @param int $padding The number of digits to pad to
170	* @return string The formatted quote number
171	*/
172	public function formatNumber(int $number, string $prefix = 'QT-', int $padding = 6): string {
173	return $prefix . str_pad($number, $padding, '0', STR_PAD_LEFT);
174	}
175	}