1 files changed, 46 insertions, 0 deletions
diff --git a/app/frontend/dto/TimezoneDTO.php b/app/frontend/dto/TimezoneDTO.php
new file mode 100644
index 0000000..e4078e6
--- /dev/null
+++ b/app/frontend/dto/TimezoneDTO.php
@@ -0,0 +1,46 @@
+<?php
+
+class TimezoneDTO {
+
+    public $Label;
+    public $Name;
+    public $Offset;
+    public $OffsetHours;
+    public $OffsetMinutes;
+    public $Location;
+    public $FirstDayOfTheWeek;
+
+    public function __construct(string $name) {
+        $tz = new DateTimeZone($name);
+        $this->Name = $tz->getName();
+        $this->Offset = $tz->getOffset(new DateTime());
+        $this->OffsetHours = $this->Offset / 3600;
+        $this->OffsetMinutes = $this->Offset % 3600 / 60;
+        $this->Location = $tz->getLocation()['country_code'];
+        $this->FirstDayOfTheWeek = $this->_getFirstDayOfTheWeek();
+        $this->Label = sprintf('UTC%+03d:%02d %s', $this->OffsetHours, $this->OffsetMinutes, $this->Name);
+    }
+
+    private function _getFirstDayOfTheWeek() {
+        $dayMapping = json_decode(
+            file_get_contents(
+                Prado::getPathOfNamespace('Application.dto.weekdays', '.json')
+            ),
+            TRUE
+        );
+        if ($this->Location && isset($dayMapping[$this->Location])) {
+            return ucfirst($dayMapping[$this->Location]);
+        }
+        return ucfirst($dayMapping['001']);
+    }
+
+
+
+    public static function __compare(TimezoneDTO $tz1, TimezoneDTO $tz2) {
+        $diff = $tz1->Offset - $tz2->Offset;
+        return ($diff == 0) ? strcmp($tz1->Name, $tz2->Name) : $diff;
+    }
+
+}
+
+?>