src/applications/settings/setting/PhabricatorTimezoneSetting.php

   1 <?php
   2
   3 final class PhabricatorTimezoneSetting
   4   extends PhabricatorOptionGroupSetting {
   5
   6   const SETTINGKEY = 'timezone';
   7
   8   public function getSettingName() {
   9     return pht('Timezone');
  10   }
  11
  12   public function getSettingPanelKey() {
  13     return PhabricatorDateTimeSettingsPanel::PANELKEY;
  14   }
  15
  16   protected function getSettingOrder() {
  17     return 100;
  18   }
  19
  20   protected function getControlInstructions() {
  21     return pht('Select your local timezone.');
  22   }
  23
  24   public function getSettingDefaultValue() {
  25     return date_default_timezone_get();
  26   }
  27
  28   public function assertValidValue($value) {
  29     // NOTE: This isn't doing anything fancy, it's just a much faster
  30     // validator than doing all the timezone calculations to build the full
  31     // list of options.
  32
  33     if (!$value) {
  34       return;
  35     }
  36
  37     static $identifiers;
  38     if ($identifiers === null) {
  39       $identifiers = DateTimeZone::listIdentifiers();
  40       $identifiers = array_fuse($identifiers);
  41     }
  42
  43     if (isset($identifiers[$value])) {
  44       return;
  45     }
  46
  47     throw new Exception(
  48       pht(
  49         'Timezone "%s" is not a valid timezone identifier.',
  50         $value));
  51   }
  52
  53   protected function getSelectOptionGroups() {
  54     $timezones = DateTimeZone::listIdentifiers();
  55     $now = new DateTime('@'.PhabricatorTime::getNow());
  56
  57     $groups = array();
  58     foreach ($timezones as $timezone) {
  59       $zone = new DateTimeZone($timezone);
  60       $offset = ($zone->getOffset($now) / 60);
  61       $groups[$offset][] = $timezone;
  62     }
  63
  64     ksort($groups);
  65
  66     $option_groups = array(
  67       array(
  68         'label' => pht('Default'),
  69         'options' => array(),
  70       ),
  71     );
  72
  73     foreach ($groups as $offset => $group) {
  74       $hours = $offset / 60;
  75       $minutes = abs($offset % 60);
  76
  77       if ($offset % 60) {
  78         $label = pht('UTC%+d:%02d', $hours, $minutes);
  79       } else {
  80         $label = pht('UTC%+d', $hours);
  81       }
  82
  83       sort($group);
  84
  85       $group_map = array();
  86       foreach ($group as $identifier) {
  87         $name = PhabricatorTime::getTimezoneDisplayName($identifier);
  88         $group_map[$identifier] = $name;
  89       }
  90
  91       $option_groups[] = array(
  92         'label' => $label,
  93         'options' => $group_map,
  94       );
  95     }
  96
  97     return $option_groups;
  98   }
  99
 100   public function expandSettingTransaction($object, $xaction) {
 101     // When the user changes their timezone, we also clear any ignored
 102     // timezone offset.
 103     return array(
 104       $xaction,
 105       $this->newSettingTransaction(
 106         $object,
 107         PhabricatorTimezoneIgnoreOffsetSetting::SETTINGKEY,
 108         null),
 109     );
 110   }
 111
 112 }