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<?php
namespace Model;
use DateTime;
/**
* Date parser model
*
* @package model
* @author Frederic Guillot
*/
class DateParser extends Base
{
/**
* Return true if the date is within the date range
*
* @access public
* @param DateTime $date
* @param DateTime $start
* @param DateTime $end
* @return boolean
*/
public function withinDateRange(DateTime $date, DateTime $start, DateTime $end)
{
return $date >= $start && $date <= $end;
}
/**
* Get the total number of hours between 2 datetime objects
* Minutes are rounded to the nearest quarter
*
* @access public
* @param DateTime $d1
* @param DateTime $d2
* @return float
*/
public function getHours(DateTime $d1, DateTime $d2)
{
$seconds = $this->getRoundedSeconds(abs($d1->getTimestamp() - $d2->getTimestamp()));
return round($seconds / 3600, 2);
}
/**
* Round the timestamp to the nearest quarter
*
* @access public
* @param integer $seconds Timestamp
* @return integer
*/
public function getRoundedSeconds($seconds)
{
return (int) round($seconds / (15 * 60)) * (15 * 60);
}
/**
* Return a timestamp if the given date format is correct otherwise return 0
*
* @access public
* @param string $value Date to parse
* @param string $format Date format
* @return integer
*/
public function getValidDate($value, $format)
{
$date = DateTime::createFromFormat($format, $value);
if ($date !== false) {
$errors = DateTime::getLastErrors();
if ($errors['error_count'] === 0 && $errors['warning_count'] === 0) {
$timestamp = $date->getTimestamp();
return $timestamp > 0 ? $timestamp : 0;
}
}
return 0;
}
/**
* Parse a date and return a unix timestamp, try different date formats
*
* @access public
* @param string $value Date to parse
* @return integer
*/
public function getTimestamp($value)
{
foreach ($this->getAllFormats() as $format) {
$timestamp = $this->getValidDate($value, $format);
if ($timestamp !== 0) {
return $timestamp;
}
}
return 0;
}
/**
* Get ISO8601 date from user input
*
* @access public
* @param string $value Date to parse
* @return string
*/
public function getIsoDate($value)
{
return date('Y-m-d', ctype_digit($value) ? $value : $this->getTimestamp($value));
}
/**
* Get all combinations of date/time formats
*
* @access public
* @return string[]
*/
public function getAllFormats()
{
$formats = array();
foreach ($this->getDateFormats() as $date) {
foreach ($this->getTimeFormats() as $time) {
$formats[] = $date.' '.$time;
}
}
return array_merge($formats, $this->getDateFormats());
}
/**
* Return the list of supported date formats (for the parser)
*
* @access public
* @return string[]
*/
public function getDateFormats()
{
return array(
$this->config->get('application_date_format', 'm/d/Y'),
'Y-m-d',
'Y_m_d',
);
}
/**
* Return the list of supported time formats (for the parser)
*
* @access public
* @return string[]
*/
public function getTimeFormats()
{
return array(
'H:i',
'g:i A',
'g:iA',
);
}
/**
* Return the list of available date formats (for the config page)
*
* @access public
* @return array
*/
public function getAvailableFormats()
{
return array(
'm/d/Y' => date('m/d/Y'),
'd/m/Y' => date('d/m/Y'),
'Y/m/d' => date('Y/m/d'),
);
}
/**
* Remove the time from a timestamp
*
* @access public
* @param integer $timestamp Timestamp
* @return integer
*/
public function removeTimeFromTimestamp($timestamp)
{
return mktime(0, 0, 0, date('m', $timestamp), date('d', $timestamp), date('Y', $timestamp));
}
/**
* Get a timetstamp from an ISO date format
*
* @access public
* @param string $date
* @return integer
*/
public function getTimestampFromIsoFormat($date)
{
return $this->removeTimeFromTimestamp(ctype_digit($date) ? $date : strtotime($date));
}
/**
* Format date (form display)
*
* @access public
* @param array $values Database values
* @param string[] $fields Date fields
* @param string $format Date format
*/
public function format(array &$values, array $fields, $format = '')
{
if ($format === '') {
$format = $this->config->get('application_date_format');
}
foreach ($fields as $field) {
if (! empty($values[$field])) {
$values[$field] = date($format, $values[$field]);
}
else {
$values[$field] = '';
}
}
}
/**
* Convert date (form input data)
*
* @access public
* @param array $values Database values
* @param string[] $fields Date fields
* @param boolean $keep_time Keep time or not
*/
public function convert(array &$values, array $fields, $keep_time = false)
{
foreach ($fields as $field) {
if (! empty($values[$field]) && ! is_numeric($values[$field])) {
$timestamp = $this->getTimestamp($values[$field]);
$values[$field] = $keep_time ? $timestamp : $this->removeTimeFromTimestamp($timestamp);
}
}
}
}
|
