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| 1 | <?php |
| 2 | |
| 3 | declare(strict_types=1); |
| 4 | |
| 5 | /** @license For full copyright and license information, please see the LICENSE.md file. */ |
| 6 | |
| 7 | namespace App\Core\Engine\Application\Formatter; |
| 8 | |
| 9 | defined('AMMONLY_APP') || exit('Direct script access is forbidden.'); |
| 10 | |
| 11 | use DateTimeImmutable; |
| 12 | use DateTimeInterface; |
| 13 | |
| 14 | /** |
| 15 | * Universal Date and Time Formatter. |
| 16 | * |
| 17 | * Formats database datetime/date/time values into configured presentation formats: |
| 18 | * - datetime_seconds: YYYY-MM-DD HH:mm:ss (default) |
| 19 | * - datetime_short: YYYY-MM-DD HH:mm |
| 20 | * - date_only: YYYY-MM-DD |
| 21 | * - time_only: HH:mm:ss |
| 22 | * - time_short: HH:mm |
| 23 | * - relative: Human-friendly relative time (e.g., '2h 15m ago' / '2 godz. temu') |
| 24 | * - full_microseconds: YYYY-MM-DD HH:mm:ss.uuuuuu |
| 25 | * - custom format: Any valid PHP date format string |
| 26 | * |
| 27 | * @package App\Core\Engine\Application\Formatter |
| 28 | */ |
| 29 | final class DateTimeFormatter |
| 30 | { |
| 31 | /** @var string Standard SQL datetime format. */ |
| 32 | public const string SQL_DATETIME_FORMAT = 'Y-m-d H:i:s'; |
| 33 | |
| 34 | /** @var string Standard datetime with seconds. */ |
| 35 | public const string FORMAT_DATETIME_SECONDS = 'datetime_seconds'; |
| 36 | |
| 37 | /** @var string Datetime without seconds. */ |
| 38 | public const string FORMAT_DATETIME_SHORT = 'datetime_short'; |
| 39 | |
| 40 | /** @var string Date only format. */ |
| 41 | public const string FORMAT_DATE_ONLY = 'date_only'; |
| 42 | |
| 43 | /** @var string Time only with seconds. */ |
| 44 | public const string FORMAT_TIME_ONLY = 'time_only'; |
| 45 | |
| 46 | /** @var string Time only without seconds. */ |
| 47 | public const string FORMAT_TIME_SHORT = 'time_short'; |
| 48 | |
| 49 | /** @var string Relative time representation. */ |
| 50 | public const string FORMAT_RELATIVE = 'relative'; |
| 51 | |
| 52 | /** @var string Full datetime with microseconds. */ |
| 53 | public const string FORMAT_FULL_MICROSECONDS = 'full_microseconds'; |
| 54 | |
| 55 | /** |
| 56 | * Formats a raw datetime value into the specified presentation format. |
| 57 | * |
| 58 | * @param mixed $value Raw database or timestamp value. |
| 59 | * @param string $format Desired display format mode or PHP format pattern. |
| 60 | * @param string $locale Target locale ('pl' or 'en'). |
| 61 | * @param bool $wrapTag Whether to wrap relative output in HTML <time> tag. |
| 62 | * @return string Formatted date string or empty string if invalid/null. |
| 63 | */ |
| 64 | public static function format( |
| 65 | mixed $value, |
| 66 | string $format = self::FORMAT_DATETIME_SECONDS, |
| 67 | string $locale = 'pl', |
| 68 | bool $wrapTag = false, |
| 69 | ): string { |
| 70 | if ($value === null || $value === '' || $value === '0000-00-00 00:00:00' || $value === '0000-00-00') { |
| 71 | return ''; |
| 72 | } |
| 73 | |
| 74 | $date = self::parse($value); |
| 75 | if ($date === null) { |
| 76 | return (string) $value; |
| 77 | } |
| 78 | |
| 79 | return match ($format) { |
| 80 | self::FORMAT_DATETIME_SECONDS => $date->format(self::SQL_DATETIME_FORMAT), |
| 81 | self::FORMAT_DATETIME_SHORT => $date->format('Y-m-d H:i'), |
| 82 | self::FORMAT_DATE_ONLY => $date->format('Y-m-d'), |
| 83 | self::FORMAT_TIME_ONLY => $date->format('H:i:s'), |
| 84 | self::FORMAT_TIME_SHORT => $date->format('H:i'), |
| 85 | self::FORMAT_FULL_MICROSECONDS => $date->format('Y-m-d H:i:s.u'), |
| 86 | self::FORMAT_RELATIVE, 'time_ago' => self::formatRelative($date, $locale, $wrapTag), |
| 87 | default => $date->format($format), |
| 88 | }; |
| 89 | } |
| 90 | |
| 91 | /** |
| 92 | * Parses various raw date representations into a DateTimeImmutable instance. |
| 93 | * |
| 94 | * @param mixed $value Raw timestamp, ISO string, SQL datetime with/without microseconds. |
| 95 | * @return DateTimeImmutable|null Parsed immutable datetime or null on failure. |
| 96 | */ |
| 97 | public static function parse(mixed $value): ?DateTimeImmutable |
| 98 | { |
| 99 | if ($value instanceof DateTimeInterface) { |
| 100 | return DateTimeImmutable::createFromInterface($value); |
| 101 | } |
| 102 | |
| 103 | if (is_int($value) || (is_string($value) && ctype_digit(trim($value)) && (int) trim($value) > 0)) { |
| 104 | return (new DateTimeImmutable())->setTimestamp((int) $value); |
| 105 | } |
| 106 | |
| 107 | return self::parseFromString((string) $value); |
| 108 | } |
| 109 | |
| 110 | /** |
| 111 | * Parses date string into DateTimeImmutable instance. |
| 112 | */ |
| 113 | private static function parseFromString(string $raw): ?DateTimeImmutable |
| 114 | { |
| 115 | $str = trim($raw); |
| 116 | if ($str === '' || $str === '0000-00-00 00:00:00' || $str === '0000-00-00') { |
| 117 | return null; |
| 118 | } |
| 119 | |
| 120 | $normalized = str_replace('T', ' ', $str); |
| 121 | $formats = ['Y-m-d H:i:s.u', self::SQL_DATETIME_FORMAT, 'Y-m-d H:i', 'Y-m-d']; |
| 122 | $result = null; |
| 123 | foreach ($formats as $fmt) { |
| 124 | $dt = DateTimeImmutable::createFromFormat($fmt, $normalized); |
| 125 | if ($dt !== false) { |
| 126 | $result = $dt; |
| 127 | break; |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | if ($result === null) { |
| 132 | try { |
| 133 | $result = new DateTimeImmutable($normalized); |
| 134 | } catch (\Throwable) { |
| 135 | $result = null; |
| 136 | } |
| 137 | } |
| 138 | |
| 139 | return $result; |
| 140 | } |
| 141 | |
| 142 | /** |
| 143 | * Formats a datetime into human-friendly relative time (e.g., '2 godz. temu'). |
| 144 | * |
| 145 | * @param DateTimeInterface $date The datetime to format. |
| 146 | * @param string $locale Target locale ('pl' or 'en'). |
| 147 | * @param bool $wrapTag Whether to wrap output in <time> HTML tag. |
| 148 | * @return string Relative time string. |
| 149 | */ |
| 150 | public static function formatRelative( |
| 151 | DateTimeInterface $date, |
| 152 | string $locale = 'pl', |
| 153 | bool $wrapTag = false, |
| 154 | ): string { |
| 155 | $now = new DateTimeImmutable(); |
| 156 | $timestamp = $date->getTimestamp(); |
| 157 | $diff = $now->getTimestamp() - $timestamp; |
| 158 | $isFuture = $diff < 0; |
| 159 | $absDiff = abs($diff); |
| 160 | |
| 161 | $text = $locale === 'pl' |
| 162 | ? self::formatRelativePolish($absDiff, $isFuture) |
| 163 | : self::formatRelativeEnglish($absDiff, $isFuture); |
| 164 | |
| 165 | if (!$wrapTag) { |
| 166 | return $text; |
| 167 | } |
| 168 | |
| 169 | $iso = $date->format(self::SQL_DATETIME_FORMAT); |
| 170 | return sprintf( |
| 171 | '<time datetime="%s" title="%s">%s</time>', |
| 172 | htmlspecialchars($iso, ENT_QUOTES, 'UTF-8'), |
| 173 | htmlspecialchars($iso, ENT_QUOTES, 'UTF-8'), |
| 174 | htmlspecialchars($text, ENT_QUOTES, 'UTF-8') |
| 175 | ); |
| 176 | } |
| 177 | |
| 178 | /** |
| 179 | * Generates Polish relative time expression. |
| 180 | * |
| 181 | * @param int $diff Absolute difference in seconds. |
| 182 | * @param bool $isFuture Whether date is in the future. |
| 183 | * @return string Polish relative string. |
| 184 | */ |
| 185 | private static function formatRelativePolish(int $diff, bool $isFuture): string |
| 186 | { |
| 187 | if ($diff < 45) { |
| 188 | return $isFuture ? 'za chwilę' : 'przed chwilą'; |
| 189 | } |
| 190 | |
| 191 | [$amount, $suffix] = self::getPolishRelativeUnits($diff); |
| 192 | return $isFuture ? "za {$amount} {$suffix}" : "{$amount} {$suffix} temu"; |
| 193 | } |
| 194 | |
| 195 | /** |
| 196 | * Calculates Polish relative unit amount and suffix. |
| 197 | * |
| 198 | * @return array{0: int|string, 1: string} |
| 199 | */ |
| 200 | private static function getPolishRelativeUnits(int $diff): array |
| 201 | { |
| 202 | if ($diff < 3600) { |
| 203 | $unit = [max(1, (int) round($diff / 60)), 'min']; |
| 204 | } elseif ($diff < 86400) { |
| 205 | $hours = (int) round($diff / 3600); |
| 206 | $unit = [$hours, self::pluralizePolish($hours, 'godzinę', 'godziny', 'godzin')]; |
| 207 | } elseif ($diff < 2592000) { |
| 208 | $days = (int) round($diff / 86400); |
| 209 | $unit = [$days, $days === 1 ? 'dzień' : 'dni']; |
| 210 | } elseif ($diff < 31536000) { |
| 211 | $months = (int) round($diff / 2592000); |
| 212 | $unit = [$months, self::pluralizePolish($months, 'miesiąc', 'miesiące', 'miesięcy')]; |
| 213 | } else { |
| 214 | $years = (int) round($diff / 31536000); |
| 215 | $unit = [$years, self::pluralizePolish($years, 'rok', 'lata', 'lat')]; |
| 216 | } |
| 217 | |
| 218 | return $unit; |
| 219 | } |
| 220 | |
| 221 | /** |
| 222 | * Generates English relative time expression. |
| 223 | * |
| 224 | * @param int $diff Absolute difference in seconds. |
| 225 | * @param bool $isFuture Whether date is in the future. |
| 226 | * @return string English relative string. |
| 227 | */ |
| 228 | private static function formatRelativeEnglish(int $diff, bool $isFuture): string |
| 229 | { |
| 230 | if ($diff < 45) { |
| 231 | return $isFuture ? 'in a moment' : 'just now'; |
| 232 | } |
| 233 | |
| 234 | [$amount, $unit] = self::getEnglishRelativeUnits($diff); |
| 235 | $spacing = $unit === 'm' ? '' : ' '; |
| 236 | return $isFuture ? "in {$amount}{$spacing}{$unit}" : "{$amount}{$spacing}{$unit} ago"; |
| 237 | } |
| 238 | |
| 239 | /** |
| 240 | * Calculates English relative unit amount and label. |
| 241 | * |
| 242 | * @return array{0: int|string, 1: string} |
| 243 | */ |
| 244 | private static function getEnglishRelativeUnits(int $diff): array |
| 245 | { |
| 246 | if ($diff < 3600) { |
| 247 | $unit = [max(1, (int) round($diff / 60)), 'm']; |
| 248 | } elseif ($diff < 86400) { |
| 249 | $hours = (int) round($diff / 3600); |
| 250 | $unit = [$hours, $hours === 1 ? 'hour' : 'hours']; |
| 251 | } elseif ($diff < 2592000) { |
| 252 | $days = (int) round($diff / 86400); |
| 253 | $unit = [$days, $days === 1 ? 'day' : 'days']; |
| 254 | } elseif ($diff < 31536000) { |
| 255 | $months = (int) round($diff / 2592000); |
| 256 | $unit = [$months, $months === 1 ? 'month' : 'months']; |
| 257 | } else { |
| 258 | $years = (int) round($diff / 31536000); |
| 259 | $unit = [$years, $years === 1 ? 'year' : 'years']; |
| 260 | } |
| 261 | |
| 262 | return $unit; |
| 263 | } |
| 264 | |
| 265 | /** |
| 266 | * Handles Polish noun plural forms (1, 2-4, 5+). |
| 267 | * |
| 268 | * @param int $number Number count. |
| 269 | * @param string $form1 Singular (np. godzina, rok). |
| 270 | * @param string $form2 Few 2-4 (np. godziny, lata). |
| 271 | * @param string $form5 Many 5+ (np. godzin, lat). |
| 272 | * @return string Correct noun form. |
| 273 | */ |
| 274 | private static function pluralizePolish(int $number, string $form1, string $form2, string $form5): string |
| 275 | { |
| 276 | if ($number === 1) { |
| 277 | return $form1; |
| 278 | } |
| 279 | |
| 280 | $mod10 = $number % 10; |
| 281 | $mod100 = $number % 100; |
| 282 | |
| 283 | if ($mod10 >= 2 && $mod10 <= 4 && ($mod100 < 10 || $mod100 >= 20)) { |
| 284 | return $form2; |
| 285 | } |
| 286 | |
| 287 | return $form5; |
| 288 | } |
| 289 | } |