| 1 |
<?php |
| 2 |
|
| 3 |
namespace Booktics\Services; |
| 4 |
|
| 5 |
use DateTime; |
| 6 |
use DateTimeZone; |
| 7 |
|
| 8 |
/** |
| 9 |
* Handles timezone conversions and validations for date/time operations |
| 10 |
*/ |
| 11 |
class Time_Zone_Handler { |
| 12 |
/** |
| 13 |
* Converts a local time to UTC |
| 14 |
* |
| 15 |
* @param string $time Time in format H:i:s |
| 16 |
* @param string $date Date in format Y-m-d |
| 17 |
* @param string $timezone Source timezone identifier |
| 18 |
* |
| 19 |
* @return array Array containing converted 'time' and 'date' |
| 20 |
*/ |
| 21 |
public static function convert_to_utc( string $time, string $date, string $timezone ) { |
| 22 |
// If date already contains timezone information, use it directly |
| 23 |
if (strpos($date, 'T') !== false) { |
| 24 |
$date = substr($date, 0, strpos($date, 'T')); // Extract just the date part (before the 'T') |
| 25 |
} |
| 26 |
|
| 27 |
$datetime = new DateTime( "$date $time", new DateTimeZone( $timezone ) ); |
| 28 |
$datetime->setTimezone( new DateTimeZone( 'UTC' ) ); |
| 29 |
|
| 30 |
return array( |
| 31 |
'time' => $datetime->format( 'H:i:s' ), |
| 32 |
'date' => $datetime->format( 'Y-m-d' ), |
| 33 |
); |
| 34 |
} |
| 35 |
|
| 36 |
/** |
| 37 |
* Converts a UTC time to local timezone |
| 38 |
* |
| 39 |
* @param string $time Time in format H:i:s |
| 40 |
* @param string $date Date in format Y-m-d |
| 41 |
* @param string $timezone Target timezone identifier |
| 42 |
* |
| 43 |
* @return array Array containing converted 'time' and 'date' |
| 44 |
*/ |
| 45 |
/** |
| 46 |
* @return array |
| 47 |
*/ |
| 48 |
public static function convertFromUTC( string $time, string $date, string $timezone ) { |
| 49 |
$datetime = new DateTime( "$date $time", new DateTimeZone( 'UTC' ) ); |
| 50 |
$datetime->setTimezone( new DateTimeZone( $timezone ) ); |
| 51 |
|
| 52 |
return array( |
| 53 |
'time' => $datetime->format( 'H:i:s' ), |
| 54 |
'date' => $datetime->format( 'Y-m-d' ), |
| 55 |
); |
| 56 |
} |
| 57 |
|
| 58 |
/** |
| 59 |
* Validates if the provided timezone identifier is valid |
| 60 |
* |
| 61 |
* @param string $timezone Timezone identifier to validate |
| 62 |
* |
| 63 |
* @return bool True if timezone is valid, false otherwise |
| 64 |
*/ |
| 65 |
/** |
| 66 |
* @return bool |
| 67 |
*/ |
| 68 |
public static function validate_time_zone( string $timezone ) { |
| 69 |
return in_array( $timezone, DateTimeZone::listIdentifiers() ); |
| 70 |
} |
| 71 |
|
| 72 |
/** |
| 73 |
* Handles timezone string to DateTimeZone object conversion |
| 74 |
* In case the timezone string is invalid, returns default timezone |
| 75 |
* If timezone is already a DateTimeZone object, returns it as it is |
| 76 |
* |
| 77 |
* @param string|DateTimeZone $timezone Timezone string |
| 78 |
* |
| 79 |
* @return DateTimeZone |
| 80 |
*/ |
| 81 |
public static function get_timezone_from_string( $timezone ) { |
| 82 |
// If timezone is already a DateTimeZone object, return as it is |
| 83 |
if ( $timezone instanceof DateTimeZone ) { |
| 84 |
return $timezone; |
| 85 |
} |
| 86 |
// Incase of invalid timezone string, return default timezone |
| 87 |
if ( ! is_string( $timezone ) ) { |
| 88 |
return wp_timezone(); |
| 89 |
} |
| 90 |
|
| 91 |
// Validate and return a DateTimeZone object |
| 92 |
return self::validate_time_zone( $timezone ) ? new DateTimeZone($timezone) : wp_timezone(); |
| 93 |
} |
| 94 |
} |
| 95 |
|
