473 lines
13 KiB
PHP
473 lines
13 KiB
PHP
<?php
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// two-level sort for timezones.
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if(! function_exists('timezone_cmp')) {
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function timezone_cmp($a, $b) {
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if(strstr($a,'/') && strstr($b,'/')) {
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if ( t($a) == t($b)) return 0;
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return ( t($a) < t($b)) ? -1 : 1;
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}
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if(strstr($a,'/')) return -1;
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if(strstr($b,'/')) return 1;
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if ( t($a) == t($b)) return 0;
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return ( t($a) < t($b)) ? -1 : 1;
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}}
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// emit a timezone selector grouped (primarily) by continent
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if(! function_exists('select_timezone')) {
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function select_timezone($current = 'America/Los_Angeles') {
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$timezone_identifiers = DateTimeZone::listIdentifiers();
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$o ='<select id="timezone_select" name="timezone">';
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usort($timezone_identifiers, 'timezone_cmp');
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$continent = '';
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foreach($timezone_identifiers as $value) {
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$ex = explode("/", $value);
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if(count($ex) > 1) {
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if($ex[0] != $continent) {
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if($continent != '')
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$o .= '</optgroup>';
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$continent = $ex[0];
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$o .= '<optgroup label="' . t($continent) . '">';
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}
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if(count($ex) > 2)
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$city = substr($value,strpos($value,'/')+1);
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else
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$city = $ex[1];
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}
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else {
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$city = $ex[0];
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if($continent != t('Miscellaneous')) {
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$o .= '</optgroup>';
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$continent = t('Miscellaneous');
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$o .= '<optgroup label="' . t($continent) . '">';
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}
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}
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$city = str_replace('_', ' ', t($city));
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$selected = (($value == $current) ? " selected=\"selected\" " : "");
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$o .= "<option value=\"$value\" $selected >$city</option>";
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}
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$o .= '</optgroup></select>';
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return $o;
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}}
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// return a select using 'field_select_raw' template, with timezones
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// groupped (primarily) by continent
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// arguments follow convetion as other field_* template array:
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// 'name', 'label', $value, 'help'
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if (!function_exists('field_timezone')){
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function field_timezone($name='timezone', $label='', $current = 'America/Los_Angeles', $help){
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$options = select_timezone($current);
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$options = str_replace('<select id="timezone_select" name="timezone">','', $options);
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$options = str_replace('</select>','', $options);
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$tpl = get_markup_template('field_select_raw.tpl');
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return replace_macros($tpl, array(
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'$field' => array($name, $label, $current, $help, $options),
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));
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}}
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// General purpose date parse/convert function.
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// $from = source timezone
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// $to = dest timezone
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// $s = some parseable date/time string
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// $fmt = output format
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if(! function_exists('datetime_convert')) {
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function datetime_convert($from = 'UTC', $to = 'UTC', $s = 'now', $fmt = "Y-m-d H:i:s") {
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// Defaults to UTC if nothing is set, but not if set to empty string.
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if($from == '')
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$from = 'UTC';
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if($to == '')
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$to = 'UTC';
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// Slight hackish adjustment so that 'zero' datetime actually returns what is intended
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// otherwise we end up with -0001-11-30 ...
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// add 32 days so that we at least get year 00, and then hack around the fact that
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// months and days always start with 1.
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if(substr($s,0,10) == '0000-00-00') {
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$d = new DateTime($s . ' + 32 days', new DateTimeZone('UTC'));
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return str_replace('1','0',$d->format($fmt));
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}
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$d = new DateTime($s, new DateTimeZone($from));
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$d->setTimeZone(new DateTimeZone($to));
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return($d->format($fmt));
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}}
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// wrapper for date selector, tailored for use in birthday fields
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function dob($dob) {
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list($year,$month,$day) = sscanf($dob,'%4d-%2d-%2d');
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$y = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
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$f = get_config('system','birthday_input_format');
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if(! $f)
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$f = 'ymd';
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$o = datesel($f,'',1920,$y,true,$year,$month,$day);
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return $o;
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}
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function datesel_format($f) {
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$o = '';
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if(strlen($f)) {
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for($x = 0; $x < strlen($f); $x ++) {
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switch($f[$x]) {
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case 'y':
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if(strlen($o))
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$o .= '-';
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$o .= t('year');
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break;
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case 'm':
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if(strlen($o))
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$o .= '-';
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$o .= t('month');
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break;
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case 'd':
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if(strlen($o))
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$o .= '-';
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$o .= t('day');
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break;
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default:
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break;
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}
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}
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}
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return $o;
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}
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// returns a date selector.
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// $f = format string, e.g. 'ymd' or 'mdy'
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// $pre = prefix (if needed) for HTML name and class fields
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// $ymin = first year shown in selector dropdown
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// $ymax = last year shown in selector dropdown
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// $allow_blank = allow an empty response on any field
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// $y = already selected year
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// $m = already selected month
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// $d = already selected day
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if(! function_exists('datesel')) {
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function datesel($f,$pre,$ymin,$ymax,$allow_blank,$y,$m,$d) {
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$o = '';
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if(strlen($f)) {
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for($z = 0; $z < strlen($f); $z ++) {
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if($f[$z] === 'y') {
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$o .= "<select name=\"{$pre}year\" class=\"{$pre}year\" size=\"1\">";
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if($allow_blank) {
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$sel = (($y == '0000') ? " selected=\"selected\" " : "");
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$o .= "<option value=\"0000\" $sel ></option>";
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}
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if($ymax > $ymin) {
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for($x = $ymax; $x >= $ymin; $x --) {
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$sel = (($x == $y) ? " selected=\"selected\" " : "");
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$o .= "<option value=\"$x\" $sel>$x</option>";
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}
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}
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else {
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for($x = $ymax; $x <= $ymin; $x ++) {
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$sel = (($x == $y) ? " selected=\"selected\" " : "");
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$o .= "<option value=\"$x\" $sel>$x</option>";
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}
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}
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}
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elseif($f[$z] == 'm') {
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$o .= "</select> <select name=\"{$pre}month\" class=\"{$pre}month\" size=\"1\">";
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for($x = (($allow_blank) ? 0 : 1); $x <= 12; $x ++) {
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$sel = (($x == $m) ? " selected=\"selected\" " : "");
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$y = (($x) ? $x : '');
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$o .= "<option value=\"$x\" $sel>$y</option>";
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}
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}
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elseif($f[$z] == 'd') {
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$o .= "</select> <select name=\"{$pre}day\" class=\"{$pre}day\" size=\"1\">";
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for($x = (($allow_blank) ? 0 : 1); $x <= 31; $x ++) {
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$sel = (($x == $d) ? " selected=\"selected\" " : "");
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$y = (($x) ? $x : '');
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$o .= "<option value=\"$x\" $sel>$y</option>";
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}
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}
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}
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}
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$o .= "</select>";
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return $o;
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}}
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if(! function_exists('timesel')) {
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function timesel($pre,$h,$m) {
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$o = '';
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$o .= "<select name=\"{$pre}hour\" class=\"{$pre}hour\" size=\"1\">";
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for($x = 0; $x < 24; $x ++) {
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$sel = (($x == $h) ? " selected=\"selected\" " : "");
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$o .= "<option value=\"$x\" $sel>$x</option>";
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}
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$o .= "</select> : <select name=\"{$pre}minute\" class=\"{$pre}minute\" size=\"1\">";
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for($x = 0; $x < 60; $x ++) {
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$sel = (($x == $m) ? " selected=\"selected\" " : "");
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$o .= "<option value=\"$x\" $sel>$x</option>";
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}
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$o .= "</select>";
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return $o;
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}}
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// implements "3 seconds ago" etc.
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// based on $posted_date, (UTC).
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// Results relative to current timezone
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// Limited to range of timestamps
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if(! function_exists('relative_date')) {
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function relative_date($posted_date) {
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$localtime = datetime_convert('UTC',date_default_timezone_get(),$posted_date);
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$abs = strtotime($localtime);
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if (is_null($posted_date) || $posted_date === '0000-00-00 00:00:00' || $abs === False) {
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return t('never');
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}
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$etime = time() - $abs;
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if ($etime < 1) {
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return t('less than a second ago');
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}
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$a = array( 12 * 30 * 24 * 60 * 60 => array( t('year'), t('years')),
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30 * 24 * 60 * 60 => array( t('month'), t('months')),
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7 * 24 * 60 * 60 => array( t('week'), t('weeks')),
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24 * 60 * 60 => array( t('day'), t('days')),
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60 * 60 => array( t('hour'), t('hours')),
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60 => array( t('minute'), t('minutes')),
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1 => array( t('second'), t('seconds'))
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);
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foreach ($a as $secs => $str) {
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$d = $etime / $secs;
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if ($d >= 1) {
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$r = round($d);
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// translators - e.g. 22 hours ago, 1 minute ago
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return sprintf( t('%1$d %2$s ago'),$r, (($r == 1) ? $str[0] : $str[1]));
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}
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}
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}}
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// Returns age in years, given a date of birth,
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// the timezone of the person whose date of birth is provided,
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// and the timezone of the person viewing the result.
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// Why? Bear with me. Let's say I live in Mittagong, Australia, and my
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// birthday is on New Year's. You live in San Bruno, California.
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// When exactly are you going to see my age increase?
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// A: 5:00 AM Dec 31 San Bruno time. That's precisely when I start
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// celebrating and become a year older. If you wish me happy birthday
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// on January 1 (San Bruno time), you'll be a day late.
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function age($dob,$owner_tz = '',$viewer_tz = '') {
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if(! intval($dob))
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return 0;
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if(! $owner_tz)
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$owner_tz = date_default_timezone_get();
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if(! $viewer_tz)
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$viewer_tz = date_default_timezone_get();
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$birthdate = datetime_convert('UTC',$owner_tz,$dob . ' 00:00:00+00:00','Y-m-d');
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list($year,$month,$day) = explode("-",$birthdate);
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$year_diff = datetime_convert('UTC',$viewer_tz,'now','Y') - $year;
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$curr_month = datetime_convert('UTC',$viewer_tz,'now','m');
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$curr_day = datetime_convert('UTC',$viewer_tz,'now','d');
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if(($curr_month < $month) || (($curr_month == $month) && ($curr_day < $day)))
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$year_diff--;
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return $year_diff;
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}
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// Get days in month
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// get_dim($year, $month);
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// returns number of days.
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// $month[1] = 'January';
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// to match human usage.
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if(! function_exists('get_dim')) {
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function get_dim($y,$m) {
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$dim = array( 0,
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31, 28, 31, 30, 31, 30,
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31, 31, 30, 31, 30, 31);
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if($m != 2)
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return $dim[$m];
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if(((($y % 4) == 0) && (($y % 100) != 0)) || (($y % 400) == 0))
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return 29;
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return $dim[2];
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}}
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// Returns the first day in month for a given month, year
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// get_first_dim($year,$month)
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// returns 0 = Sunday through 6 = Saturday
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// Months start at 1.
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if(! function_exists('get_first_dim')) {
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function get_first_dim($y,$m) {
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$d = sprintf('%04d-%02d-01 00:00', intval($y), intval($m));
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return datetime_convert('UTC','UTC',$d,'w');
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}}
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// output a calendar for the given month, year.
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// if $links are provided (array), e.g. $links[12] => 'http://mylink' ,
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// date 12 will be linked appropriately. Today's date is also noted by
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// altering td class.
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// Months count from 1.
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// TODO: provide (prev,next) links, define class variations for different size calendars
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if(! function_exists('cal')) {
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function cal($y = 0,$m = 0, $links = false, $class='') {
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// month table - start at 1 to match human usage.
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$mtab = array(' ',
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'January','February','March',
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'April','May','June',
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'July','August','September',
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'October','November','December'
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);
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$thisyear = datetime_convert('UTC',date_default_timezone_get(),'now','Y');
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$thismonth = datetime_convert('UTC',date_default_timezone_get(),'now','m');
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if(! $y)
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$y = $thisyear;
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if(! $m)
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$m = intval($thismonth);
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$dn = array('Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday');
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$f = get_first_dim($y,$m);
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$l = get_dim($y,$m);
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$d = 1;
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$dow = 0;
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$started = false;
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if(($y == $thisyear) && ($m == $thismonth))
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$tddate = intval(datetime_convert('UTC',date_default_timezone_get(),'now','j'));
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$str_month = day_translate($mtab[$m]);
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$o = '<table class="calendar' . $class . '">';
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$o .= "<caption>$str_month $y</caption><tr>";
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for($a = 0; $a < 7; $a ++)
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$o .= '<th>' . mb_substr(day_translate($dn[$a]),0,3,'UTF-8') . '</th>';
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$o .= '</tr><tr>';
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while($d <= $l) {
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if(($dow == $f) && (! $started))
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$started = true;
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$today = (((isset($tddate)) && ($tddate == $d)) ? "class=\"today\" " : '');
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$o .= "<td $today>";
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$day = str_replace(' ',' ',sprintf('%2.2d', $d));
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if($started) {
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if(is_array($links) && isset($links[$d]))
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$o .= "<a href=\"{$links[$d]}\">$day</a>";
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else
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$o .= $day;
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$d ++;
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}
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else
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$o .= ' ';
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$o .= '</td>';
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$dow ++;
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if(($dow == 7) && ($d <= $l)) {
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$dow = 0;
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$o .= '</tr><tr>';
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}
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}
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if($dow)
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for($a = $dow; $a < 7; $a ++)
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$o .= '<td> </td>';
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$o .= '</tr></table>'."\r\n";
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return $o;
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}}
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function update_contact_birthdays() {
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// This only handles foreign or alien networks where a birthday has been provided.
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// In-network birthdays are handled within local_delivery
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$r = q("SELECT * FROM contact WHERE `bd` != '' AND `bd` != '0000-00-00' AND SUBSTRING(`bd`,1,4) != `bdyear` ");
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if(count($r)) {
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foreach($r as $rr) {
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logger('update_contact_birthday: ' . $rr['bd']);
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$nextbd = datetime_convert('UTC','UTC','now','Y') . substr($rr['bd'],4);
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/**
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*
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* Add new birthday event for this person
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*
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* $bdtext is just a readable placeholder in case the event is shared
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* with others. We will replace it during presentation to our $importer
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* to contain a sparkle link and perhaps a photo.
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*
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*/
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$bdtext = t('Birthday:') . ' [url=' . $rr['url'] . ']' . $rr['name'] . '[/url]' ;
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$r = q("INSERT INTO `event` (`uid`,`cid`,`created`,`edited`,`start`,`finish`,`desc`,`type`,`adjust`)
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VALUES ( %d, %d, '%s', '%s', '%s', '%s', '%s', '%s', '%d' ) ",
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intval($rr['uid']),
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intval($rr['id']),
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dbesc(datetime_convert()),
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dbesc(datetime_convert()),
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dbesc(datetime_convert('UTC','UTC', $nextbd)),
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dbesc(datetime_convert('UTC','UTC', $nextbd . ' + 1 day ')),
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dbesc($bdtext),
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dbesc('birthday'),
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intval(0)
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);
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// update bdyear
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q("UPDATE `contact` SET `bdyear` = '%s', `bd` = '%s' WHERE `uid` = %d AND `id` = %d LIMIT 1",
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dbesc(substr($nextbd,0,4)),
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dbesc($nextbd),
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intval($rr['uid']),
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intval($rr['id'])
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);
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}
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}
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}
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