ivyforms / backend / src / Common / Helpers / DateTimeHelper / DateTimeFormatter.php

DateTimeFormatter.php in The Innovative Form Builder – IvyForms 1.4, at backend/src/Common/Helpers/DateTimeHelper/DateTimeFormatter.php

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1	<?php
2
3	namespace IvyForms\Common\Helpers\DateTimeHelper;
4
5	use DateTimeImmutable;
6
7	/**
8	* Handles formatting of combined date-time values for display.
9	*/
10	class DateTimeFormatter
11	{
12	/**
13	* Format stored datetime values for frontend display.
14	* Supports both single timestamps and comma-separated range values.
15	*
16	* @param mixed $value Stored field value
17	* @return string Formatted datetime value
18	*/
19	public static function formatDateTimeValue($value): string
20	{
21	if ($value === null \|\| $value === '') {
22	return '';
23	}
24
25	$valueString = trim((string) $value);
26	if ($valueString === '') {
27	return '';
28	}
29
30	if (strpos($valueString, ',') !== false) {
31	return self::formatRangeParts($valueString);
32	}
33
34	return self::formatSinglePart($valueString);
35	}
36
37	/**
38	* Format a stored datetime value using the field's configured date/time format.
39	* Handles single values and comma-separated range values.
40	*
41	* @param mixed $value Stored field value (timestamp, canonical string, or comma-separated range)
42	* @param string $dateFormat JS-style date format token (e.g. MM/DD/YYYY, DD.MM.YYYY, YYYY-MM-DD)
43	* @param string $timeFormat Time format key: 'ampm', '24h', 'ampm-s', or '24h-s'
44	* @return string
45	*/
46	public static function formatDateTimeWithOptions(
47	$value,
48	string $dateFormat,
49	string $timeFormat
50	): string {
51	$valueString = trim((string) $value);
52	if ($valueString === '') {
53	return '';
54	}
55
56	if (strpos($valueString, ',') !== false) {
57	return self::buildSubRangesWithOptions($valueString, $dateFormat, $timeFormat);
58	}
59
60	return self::formatSingleWithOptions($valueString, $dateFormat, $timeFormat);
61	}
62
63	/**
64	* Format comma-separated range parts for default display.
65	*
66	* @param string $valueString Comma-separated value string
67	* @return string Formatted range
68	*/
69	private static function formatRangeParts(string $valueString): string
70	{
71	$parts = array_values(array_filter(array_map('trim', explode(',', $valueString))));
72	$subRanges = [];
73	$count = count($parts);
74	for ($i = 0; $i < $count; $i += 2) {
75	$start = self::formatSinglePart($parts[$i]);
76	if ($start === '') {
77	continue;
78	}
79	$end = isset($parts[$i + 1]) ? self::formatSinglePart($parts[$i + 1]) : '';
80	$subRanges[] = ($end !== '' && $end !== $start) ? $start . ' - ' . $end : $start;
81	}
82	return implode(', ', $subRanges);
83	}
84
85	/**
86	* Format comma-separated parts as paired sub-ranges using configured date/time format.
87	*
88	* @param string $valueString Non-empty comma-separated value string
89	* @param string $dateFormat JS-style date format token
90	* @param string $timeFormat Time format key
91	* @return string
92	*/
93	private static function buildSubRangesWithOptions(
94	string $valueString,
95	string $dateFormat,
96	string $timeFormat
97	): string {
98	$parts = array_values(array_filter(array_map('trim', explode(',', $valueString))));
99	$subRanges = [];
100	$count = count($parts);
101	for ($i = 0; $i < $count; $i += 2) {
102	$start = self::formatSingleWithOptions($parts[$i], $dateFormat, $timeFormat);
103	if ($start === '') {
104	continue;
105	}
106	$end = isset($parts[$i + 1])
107	? self::formatSingleWithOptions($parts[$i + 1], $dateFormat, $timeFormat)
108	: '';
109	$subRanges[] = ($end !== '' && $end !== $start) ? $start . ' - ' . $end : $start;
110	}
111	return implode(', ', $subRanges);
112	}
113
114	/**
115	* Format a single timestamp or canonical string for default display.
116	*
117	* @param string $part Single value
118	* @return string Formatted datetime string
119	*/
120	private static function formatSinglePart(string $part): string
121	{
122	return is_numeric($part)
123	? self::timestampToDateTime((int) $part)
124	: self::formatDateTimeSeparator($part);
125	}
126
127	/**
128	* Format a single datetime part using configured date/time format.
129	*
130	* @param string $part Single value (timestamp or canonical string)
131	* @param string $dateFormat JS-style date format token
132	* @param string $timeFormat Time format key
133	* @return string Formatted datetime string
134	*/
135	private static function formatSingleWithOptions(
136	string $part,
137	string $dateFormat,
138	string $timeFormat
139	): string {
140	if ($part === '') {
141	return '';
142	}
143
144	$timestamp = is_numeric($part) ? (int) $part : DateTimeHelper::dateTimeToTimestamp($part);
145
146	if ($timestamp === null) {
147	return self::formatDateTimeSeparator($part);
148	}
149
150	try {
151	$timezone = DateTimeHelper::getWpTimezone();
152	$dateTime = (new DateTimeImmutable('@' . $timestamp))->setTimezone($timezone);
153	} catch (\Throwable $exception) {
154	return self::formatDateTimeSeparator($part);
155	}
156
157	return $dateTime->format(self::buildPhpDateTimeFormat($dateFormat, $timeFormat));
158	}
159
160	/**
161	* Build a combined PHP date-time format string from JS-style tokens and a time format key.
162	*
163	* @param string $dateFormat JS-style date format (e.g. DD.MM.YYYY)
164	* @param string $timeFormat Time format key: 'ampm', '24h', 'ampm-s', or '24h-s'
165	* @return string PHP date() compatible format
166	*/
167	private static function buildPhpDateTimeFormat(string $dateFormat, string $timeFormat): string
168	{
169	$phpDateFormat = str_replace(
170	['YYYY', 'MM', 'DD'],
171	['Y', 'm', 'd'],
172	$dateFormat ?: 'Y-m-d'
173	);
174
175	$timeFormatMap = [
176	'ampm' => 'g:i A',
177	'ampm-s' => 'g:i:s A',
178	'24h' => 'H:i',
179	'24h-s' => 'H:i:s',
180	];
181
182	$phpTimeFormat = $timeFormatMap[$timeFormat] ?? 'H:i';
183
184	return $phpDateFormat . ' ' . $phpTimeFormat;
185	}
186
187	/**
188	* Format Unix timestamp back to datetime string.
189	* Includes seconds when the timestamp has a non-zero seconds component.
190	*
191	* @param int $timestamp Unix timestamp
192	* @return string Formatted datetime string
193	*/
194	private static function timestampToDateTime(int $timestamp): string
195	{
196	$timezone = DateTimeHelper::getWpTimezone();
197	$dateTime = new DateTimeImmutable('@' . $timestamp);
198	$dateTime = $dateTime->setTimezone($timezone);
199
200	$format = ((int) $dateTime->format('s') > 0) ? 'Y-m-d H:i:s' : 'Y-m-d H:i';
201
202	return $dateTime->format($format);
203	}
204
205	/**
206	* Normalize display spacing around the datetime separator.
207	*
208	* @param string $value Raw datetime string
209	* @return string Datetime string with spaced separator
210	*/
211	private static function formatDateTimeSeparator(string $value): string
212	{
213	return (string) preg_replace('/\s\\|\s/', ' ', $value);
214	}
215	}
216