mirror of
https://github.com/silverstripe/silverstripe-framework
synced 2024-08-28 21:46:10 +02:00
This issue is caused by the odd default behaviour of Zend_Date, which attempts to parse yyyy-mm-dd format date and times as though they were yyyy-dd-mm.
206 lines
6.1 KiB
PHP
206 lines
6.1 KiB
PHP
<?php
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/**
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* Represents a date-time field.
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* The field currently supports New Zealand date format (DD/MM/YYYY),
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* or an ISO 8601 formatted date and time (Y-m-d H:i:s).
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* Alternatively you can set a timestamp that is evaluated through
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* PHP's built-in date() and strtotime() function according to your system locale.
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*
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* For all computations involving the current date and time,
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* please use {@link SS_Datetime::now()} instead of PHP's built-in date() and time()
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* methods. This ensures that all time-based computations are testable with mock dates
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* through {@link SS_Datetime::set_mock_now()}.
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*
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* Example definition via {@link DataObject::$db}:
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* <code>
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* static $db = array(
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* "Expires" => "SS_Datetime",
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* );
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* </code>
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*
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* @todo Add localization support, see http://open.silverstripe.com/ticket/2931
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*
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* @package framework
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* @subpackage model
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*/
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class SS_Datetime extends Date implements TemplateGlobalProvider {
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public function setValue($value, $record = null) {
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if($value === false || $value === null || (is_string($value) && !strlen($value))) {
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// don't try to evaluate empty values with strtotime() below, as it returns "1970-01-01" when it should be
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// saved as NULL in database
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$this->value = null;
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return;
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}
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// Default to NZ date format - strtotime expects a US date
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if(preg_match('#^([0-9]+)/([0-9]+)/([0-9]+)$#', $value, $parts)) {
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$value = "$parts[2]/$parts[1]/$parts[3]";
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}
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if(is_numeric($value)) {
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$this->value = date('Y-m-d H:i:s', $value);
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} elseif(is_string($value)) {
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// $this->value = date('Y-m-d H:i:s', strtotime($value));
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try{
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$date = new DateTime($value);
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$this->value = $date->Format('Y-m-d H:i:s');
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return;
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}catch(Exception $e){
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$this->value = null;
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return;
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}
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}
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}
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/**
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* Returns the date and time (in 12-hour format) using the format string 'd/m/Y g:ia' e.g. '31/01/2014 2:23pm'.
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* @return string Formatted date and time.
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*/
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public function Nice() {
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if($this->value) return $this->Format('d/m/Y g:ia');
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}
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/**
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* Returns the date and time (in 24-hour format) using the format string 'd/m/Y H:i' e.g. '28/02/2014 13:32'.
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* @return string Formatted date and time.
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*/
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public function Nice24() {
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if($this->value) return $this->Format('d/m/Y H:i');
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}
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/**
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* Returns the date using the format string 'd/m/Y' e.g. '28/02/2014'.
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* @return string Formatted date.
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*/
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public function Date() {
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if($this->value) return $this->Format('d/m/Y');
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}
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/**
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* Returns the time in 12-hour format using the format string 'g:ia' e.g. '1:32pm'.
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* @return string Formatted time.
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*/
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public function Time() {
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if($this->value) return $this->Format('g:ia');
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}
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/**
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* Returns the time in 24-hour format using the format string 'H:i' e.g. '13:32'.
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* @return string Formatted time.
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*/
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public function Time24() {
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if($this->value) return $this->Format('H:i');
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}
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/**
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* Return a date and time formatted as per a CMS user's settings.
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*
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* @param Member $member
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* @return boolean | string A time and date pair formatted as per user-defined settings.
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*/
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public function FormatFromSettings($member = null) {
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require_once 'Zend/Date.php';
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if(!$member) {
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if(!Member::currentUserID()) {
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return false;
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}
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$member = Member::currentUser();
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}
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$formatD = $member->getDateFormat();
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$formatT = $member->getTimeFormat();
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$zendDate = new Zend_Date($this->getValue(), 'y-MM-dd HH:mm:ss');
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return $zendDate->toString($formatD).' '.$zendDate->toString($formatT);
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}
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public function requireField() {
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$parts=Array('datatype'=>'datetime', 'arrayValue'=>$this->arrayValue);
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$values=Array('type'=>'SS_Datetime', 'parts'=>$parts);
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DB::requireField($this->tableName, $this->name, $values);
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}
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/**
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* Returns the url encoded date and time in ISO 6801 format using format
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* string 'Y-m-d%20H:i:s' e.g. '2014-02-28%2013:32:22'.
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*
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* @return string Formatted date and time.
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*/
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public function URLDatetime() {
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if($this->value) return $this->Format('Y-m-d%20H:i:s');
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}
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public function scaffoldFormField($title = null, $params = null) {
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$field = DatetimeField::create($this->name, $title);
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// Show formatting hints for better usability
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$dateField = $field->getDateField();
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$dateField->setDescription(sprintf(
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_t('FormField.Example', 'e.g. %s', 'Example format'),
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Convert::raw2xml(Zend_Date::now()->toString($dateField->getConfig('dateformat')))
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));
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$dateField->setAttribute('placeholder', $dateField->getConfig('dateformat'));
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$timeField = $field->getTimeField();
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$timeField->setDescription(sprintf(
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_t('FormField.Example', 'e.g. %s', 'Example format'),
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Convert::raw2xml(Zend_Date::now()->toString($timeField->getConfig('timeformat')))
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));
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$timeField->setAttribute('placeholder', $timeField->getConfig('timeformat'));
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return $field;
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}
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/**
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*
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*/
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protected static $mock_now = null;
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/**
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* Returns either the current system date as determined
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* by date(), or a mocked date through {@link set_mock_now()}.
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*
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* @return SS_Datetime
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*/
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public static function now() {
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if(self::$mock_now) {
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return self::$mock_now;
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} else {
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return DBField::create_field('SS_Datetime', date('Y-m-d H:i:s'));
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}
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}
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/**
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* Mock the system date temporarily, which is useful for time-based unit testing.
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* Use {@link clear_mock_now()} to revert to the current system date.
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* Caution: This sets a fixed date that doesn't increment with time.
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*
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* @param SS_Datetime|string $datetime Either in object format, or as a SS_Datetime compatible string.
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*/
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public static function set_mock_now($datetime) {
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if($datetime instanceof SS_Datetime) {
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self::$mock_now = $datetime;
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} elseif(is_string($datetime)) {
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self::$mock_now = DBField::create_field('SS_Datetime', $datetime);
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} else {
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throw new Exception('SS_Datetime::set_mock_now(): Wrong format: ' . $datetime);
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}
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}
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/**
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* Clear any mocked date, which causes
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* {@link Now()} to return the current system date.
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*/
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public static function clear_mock_now() {
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self::$mock_now = null;
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}
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public static function get_template_global_variables() {
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return array(
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'Now' => array('method' => 'now', 'casting' => 'SS_Datetime'),
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);
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}
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}
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