Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
/**
* @file src/Util/Temporal.php
*/
namespace Friendica\Util;
use DateTime;
use DateTimeZone;
use Friendica\Core\L10n;
use Friendica\Core\Renderer;
use Friendica\Database\DBA;
/**
* @brief Temporal class
*/
class Temporal
{
/**
* @brief Two-level sort for timezones.
*
* @param string $a
* @param string $b
* @return int
*/
private static function timezoneCompareCallback($a, $b)
{
if (strstr($a, '/') && strstr($b, '/')) {
if (L10n::t($a) == L10n::t($b)) {
return 0;
}
return (L10n::t($a) < L10n::t($b)) ? -1 : 1;
}
if (strstr($a, '/')) {
return -1;
} elseif (strstr($b, '/')) {
return 1;
} elseif (L10n::t($a) == L10n::t($b)) {
return 0;
}
return (L10n::t($a) < L10n::t($b)) ? -1 : 1;
}
/**
* @brief Emit a timezone selector grouped (primarily) by continent
*
* @param string $current Timezone
* @return string Parsed HTML output
*/
public static function getTimezoneSelect($current = 'America/Los_Angeles')
{
$timezone_identifiers = DateTimeZone::listIdentifiers();
$o = '<select id="timezone_select" name="timezone">';
usort($timezone_identifiers, [__CLASS__, 'timezoneCompareCallback']);
$continent = '';
foreach ($timezone_identifiers as $value) {
$ex = explode("/", $value);
if (count($ex) > 1) {
if ($ex[0] != $continent) {
if ($continent != '') {
$o .= '</optgroup>';
}
$continent = $ex[0];
$o .= '<optgroup label="' . L10n::t($continent) . '">';
}
if (count($ex) > 2) {
$city = substr($value, strpos($value, '/') + 1);
} else {
$city = $ex[1];
}
} else {
$city = $ex[0];
if ($continent != L10n::t('Miscellaneous')) {
$o .= '</optgroup>';
$continent = L10n::t('Miscellaneous');
$o .= '<optgroup label="' . L10n::t($continent) . '">';
}
}
$city = str_replace('_', ' ', L10n::t($city));
$selected = (($value == $current) ? " selected=\"selected\" " : "");
$o .= "<option value=\"$value\" $selected >$city</option>";
}
$o .= '</optgroup></select>';
return $o;
}
/**
* @brief Generating a Timezone selector
*
* Return a select using 'field_select_raw' template, with timezones
* grouped (primarily) by continent
* arguments follow convention as other field_* template array:
* 'name', 'label', $value, 'help'
*
* @param string $name Name of the selector
* @param string $label Label for the selector
* @param string $current Timezone
* @param string $help Help text
*
* @return string Parsed HTML
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function getTimezoneField($name = 'timezone', $label = '', $current = 'America/Los_Angeles', $help = '')
{
$options = self::getTimezoneSelect($current);
$options = str_replace('<select id="timezone_select" name="timezone">', '', $options);
$options = str_replace('</select>', '', $options);
$tpl = Renderer::getMarkupTemplate('field_select_raw.tpl');
return Renderer::replaceMacros($tpl, [
'$field' => [$name, $label, $current, $help, $options],
]);
}
/**
* @brief Wrapper for date selector, tailored for use in birthday fields.
*
* @param string $dob Date of Birth
* @param string $timezone
* @return string Formatted HTML
* @throws \Exception
*/
public static function getDateofBirthField(string $dob, string $timezone = 'UTC')
{
list($year, $month, $day) = sscanf($dob, '%4d-%2d-%2d');
if ($dob < '0000-01-01') {
$value = '';
} else {
$value = DateTimeFormat::utc(($year > 1000) ? $dob : '1000-' . $month . '-' . $day, 'Y-m-d');
}
$age = (intval($value) ? self::getAgeByTimezone($value, $timezone, $timezone) : "");
$tpl = Renderer::getMarkupTemplate("field_input.tpl");
$o = Renderer::replaceMacros($tpl,
[
'$field' => [
'dob',
L10n::t('Birthday:'),
$value,
intval($age) > 0 ? L10n::t('Age: ') . $age : "",
'',
'placeholder="' . L10n::t('YYYY-MM-DD or MM-DD') . '"'
]
]);
return $o;
}
/**
* @brief Returns a date selector
*
* @param DateTime $min Minimum date
* @param DateTime $max Maximum date
* @param DateTime $default Default date
* @param string $id ID and name of datetimepicker (defaults to "datetimepicker")
*
* @return string Parsed HTML output.
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
*/
public static function getDateField($min, $max, $default, $id = 'datepicker')
{
return self::getDateTimeField($min, $max, $default, '', $id, true, false, '', '');
}
/**
* @brief Returns a time selector
*
* @param string $h Already selected hour
* @param string $m Already selected minute
* @param string $id ID and name of datetimepicker (defaults to "timepicker")
*
* @return string Parsed HTML output.
* @throws \Exception
*/
public static function getTimeField($h, $m, $id = 'timepicker')
{
return self::getDateTimeField(new DateTime(), new DateTime(), new DateTime("$h:$m"), '', $id, false, true);
}
/**
* @brief Returns a datetime selector.
*
* @param DateTime $minDate Minimum date
* @param DateTime $maxDate Maximum date
* @param DateTime $defaultDate Default date
* @param $label
* @param string $id Id and name of datetimepicker (defaults to "datetimepicker")
* @param bool $pickdate true to show date picker (default)
* @param bool $picktime true to show time picker (default)
* @param string $minfrom set minimum date from picker with id $minfrom (none by default)
* @param string $maxfrom set maximum date from picker with id $maxfrom (none by default)
* @param bool $required default false
*
* @return string Parsed HTML output.
*
* @throws \Friendica\Network\HTTPException\InternalServerErrorException
* @todo Once browser support is better this could probably be replaced with
* native HTML5 date picker.
*/
public static function getDateTimeField(
DateTime $minDate,
DateTime $maxDate,
DateTime $defaultDate,
$label,
$id = 'datetimepicker',
$pickdate = true,
$picktime = true,
$minfrom = '',
$maxfrom = '',
$required = false)
{
// First day of the week (0 = Sunday)
$firstDay = DI::pConfig()->get(local_user(), 'system', 'first_day_of_week', 0);
$lang = substr(L10n::getCurrentLang(), 0, 2);
// Check if the detected language is supported by the picker
if (!in_array($lang,
["ar", "ro", "id", "bg", "fa", "ru", "uk", "en", "el", "de", "nl", "tr", "fr", "es", "th", "pl", "pt", "ch", "se", "kr",
"it", "da", "no", "ja", "vi", "sl", "cs", "hu"])) {
$lang = 'en';
}
$o = '';
$dateformat = '';
if ($pickdate) {
$dateformat .= 'Y-m-d';
}
if ($pickdate && $picktime) {
$dateformat .= ' ';
}
if ($picktime) {
$dateformat .= 'H:i';
}
$input_text = $defaultDate ? date($dateformat, $defaultDate->getTimestamp()) : '';
$readable_format = str_replace(['Y', 'm', 'd', 'H', 'i'], ['yyyy', 'mm', 'dd', 'HH', 'MM'], $dateformat);
$tpl = Renderer::getMarkupTemplate('field_datetime.tpl');
$o .= Renderer::replaceMacros($tpl, [
'$field' => [
$id,
$label,
$input_text,
'',
$required ? '*' : '',
'placeholder="' . $readable_format . '"'
],
'$datetimepicker' => [
'minDate' => $minDate,
'maxDate' => $maxDate,
'defaultDate' => $defaultDate,
'dateformat' => $dateformat,
'firstDay' => $firstDay,
'lang' => $lang,
'minfrom' => $minfrom,
'maxfrom' => $maxfrom,
]
]);
return $o;
}
/**
* @brief Returns a relative date string.
*
* Implements "3 seconds ago" etc.
* Based on $posted_date, (UTC).
* Results relative to current timezone.
* Limited to range of timestamps.
*
* @param string $posted_date MySQL-formatted date string (YYYY-MM-DD HH:MM:SS)
* @param string $format (optional) Parsed with sprintf()
* <tt>%1$d %2$s ago</tt>, e.g. 22 hours ago, 1 minute ago
*
* @return string with relative date
*/
public static function getRelativeDate($posted_date, $format = null)
{
$localtime = $posted_date . ' UTC';
$abs = strtotime($localtime);
if (is_null($posted_date) || $posted_date <= DBA::NULL_DATETIME || $abs === false) {
return L10n::t('never');
}
$isfuture = false;
$etime = time() - $abs;
if ($etime < 1 && $etime >= 0) {
return L10n::t('less than a second ago');
}
if ($etime < 0){
$etime = -$etime;
$isfuture = true;
}
$a = [12 * 30 * 24 * 60 * 60 => [L10n::t('year'), L10n::t('years')],
30 * 24 * 60 * 60 => [L10n::t('month'), L10n::t('months')],
7 * 24 * 60 * 60 => [L10n::t('week'), L10n::t('weeks')],
24 * 60 * 60 => [L10n::t('day'), L10n::t('days')],
60 * 60 => [L10n::t('hour'), L10n::t('hours')],
60 => [L10n::t('minute'), L10n::t('minutes')],
1 => [L10n::t('second'), L10n::t('seconds')]
];
foreach ($a as $secs => $str) {
$d = $etime / $secs;
if ($d >= 1) {
$r = round($d);
// translators - e.g. 22 hours ago, 1 minute ago
if (!$format) {
if($isfuture){
$format = L10n::t('in %1$d %2$s');
}
else {
$format = L10n::t('%1$d %2$s ago');
}
}
return sprintf($format, $r, (($r == 1) ? $str[0] : $str[1]));
}
}
}
/**
* @brief Returns timezone correct age in years.
*
* Returns the age in years, given a date of birth, the timezone of the person
* whose date of birth is provided, and the timezone of the person viewing the
* result.
*
* Why? Bear with me. Let's say I live in Mittagong, Australia, and my birthday
* is on New Year's. You live in San Bruno, California.
* When exactly are you going to see my age increase?
*
* A: 5:00 AM Dec 31 San Bruno time. That's precisely when I start celebrating
* and become a year older. If you wish me happy birthday on January 1
* (San Bruno time), you'll be a day late.
*
* @param string $dob Date of Birth
* @param string $owner_tz (optional) Timezone of the person of interest
* @param string $viewer_tz (optional) Timezone of the person viewing
*
* @return int Age in years
* @throws \Exception
*/
public static function getAgeByTimezone($dob, $owner_tz = '', $viewer_tz = '')
{
if (!intval($dob)) {
return 0;
}
if (!$owner_tz) {
$owner_tz = date_default_timezone_get();
}
if (!$viewer_tz) {
$viewer_tz = date_default_timezone_get();
}
$birthdate = DateTimeFormat::convert($dob . ' 00:00:00+00:00', $owner_tz, 'UTC', 'Y-m-d');
list($year, $month, $day) = explode("-", $birthdate);
$year_diff = DateTimeFormat::timezoneNow($viewer_tz, 'Y') - $year;
$curr_month = DateTimeFormat::timezoneNow($viewer_tz, 'm');
$curr_day = DateTimeFormat::timezoneNow($viewer_tz, 'd');
if (($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day))) {
$year_diff--;
}
return $year_diff;
}
/**
* @brief Get days of a month in a given year.
*
* Returns number of days in the month of the given year.
* $m = 1 is 'January' to match human usage.
*
* @param int $y Year
* @param int $m Month (1=January, 12=December)
*
* @return int Number of days in the given month
*/
public static function getDaysInMonth($y, $m)
{
return date('t', mktime(0, 0, 0, $m, 1, $y));
}
/**
* @brief Returns the first day in month for a given month, year.
*
* Months start at 1.
*
* @param int $y Year
* @param int $m Month (1=January, 12=December)
*
* @return string day 0 = Sunday through 6 = Saturday
* @throws \Exception
*/
private static function getFirstDayInMonth($y, $m)
{
$d = sprintf('%04d-%02d-01 00:00', intval($y), intval($m));
return DateTimeFormat::utc($d, 'w');
}
/**
* @brief Output a calendar for the given month, year.
*
* If $links are provided (array), e.g. $links[12] => 'http://mylink' ,
* date 12 will be linked appropriately. Today's date is also noted by
* altering td class.
* Months count from 1.
*
* @param int $y Year
* @param int $m Month
* @param array $links (default null)
* @param string $class
*
* @return string
*
* @throws \Exception
* @todo Provide (prev, next) links, define class variations for different size calendars
*/
public static function getCalendarTable($y = 0, $m = 0, $links = null, $class = '')
{
// month table - start at 1 to match human usage.
$mtab = [' ',
'January', 'February', 'March',
'April', 'May', 'June',
'July', 'August', 'September',
'October', 'November', 'December'
];
$thisyear = DateTimeFormat::localNow('Y');
$thismonth = DateTimeFormat::localNow('m');
if (!$y) {
$y = $thisyear;
}
if (!$m) {
$m = intval($thismonth);
}
$dn = ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'];
$f = self::getFirstDayInMonth($y, $m);
$l = self::getDaysInMonth($y, $m);
$d = 1;
$dow = 0;
$started = false;
if (($y == $thisyear) && ($m == $thismonth)) {
$tddate = intval(DateTimeFormat::localNow('j'));
}
$str_month = L10n::getDay($mtab[$m]);
$o = '<table class="calendar' . $class . '">';
$o .= "<caption>$str_month $y</caption><tr>";
for ($a = 0; $a < 7; $a ++) {
$o .= '<th>' . mb_substr(L10n::getDay($dn[$a]), 0, 3, 'UTF-8') . '</th>';
}
$o .= '</tr><tr>';
while ($d <= $l) {
if (($dow == $f) && (!$started)) {
$started = true;
}
$today = (((isset($tddate)) && ($tddate == $d)) ? "class=\"today\" " : '');
$o .= "<td $today>";
$day = str_replace(' ', '&nbsp;', sprintf('%2.2d', $d));
if ($started) {
if (isset($links[$d])) {
$o .= "<a href=\"{$links[$d]}\">$day</a>";
} else {
$o .= $day;
}
$d ++;
} else {
$o .= '&nbsp;';
}
$o .= '</td>';
$dow ++;
if (($dow == 7) && ($d <= $l)) {
$dow = 0;
$o .= '</tr><tr>';
}
}
if ($dow) {
for ($a = $dow; $a < 7; $a ++) {
$o .= '<td>&nbsp;</td>';
}
}
$o .= '</tr></table>' . "\r\n";
return $o;
}
}