PublicationDate.inc.php

<?php
 
class PublicationDate extends DataObject {
 
   var $dateFormats;
 
   function __construct() {
 
      $onixCodelistItemDao = DAORegistry::getDAO('ONIXCodelistItemDAO'); /* @var $onixCodelistItemDao ONIXCodelistItemDAO */
      $this->dateFormats =& $onixCodelistItemDao->getCodes('List55');
 
      parent::__construct();
   }
 
   function getPublicationFormatId() {
      return $this->getData('publicationFormatId');
   }
 
   function setPublicationFormatId($publicationFormatId) {
      return $this->setData('publicationFormatId', $publicationFormatId);
   }
 
   function setRole($role) {
      $this->setData('role', $role);
   }
 
   function getRole() {
      return $this->getData('role');
   }
 
   function setDateFormat($format) {
      $this->setData('dateFormat', $format);
   }
 
   function getDateFormat() {
      return $this->getData('dateFormat');
   }
 
   function getNameForONIXCode() {
      $onixCodelistItemDao = DAORegistry::getDAO('ONIXCodelistItemDAO'); /* @var $onixCodelistItemDao ONIXCodelistItemDAO */
      $codes =& $onixCodelistItemDao->getCodes('List163'); // List163 is for Publication date, Embargo date, Announcement date, etc
      return $codes[$this->getRole()];
   }
 
   function setDate($date) {
      $this->setData('date', $date);
   }
 
   function getDate() {
      return $this->getData('date');
   }
 
   function isHijriCalendar() {
      $format = $this->dateFormats[$this->getDateFormat()];
      if (stristr($format, '(H)')) {
         return true;
      } else {
         return false;
      }
   }
 
   function isFreeText() {
      $format = $this->dateFormats[$this->getDateFormat()];
      if (stristr($format, 'string')) {
         return true;
      } else {
         return false;
      }
   }
 
   function getReadableDates() {
      $format = $this->dateFormats[$this->getDateFormat()];
      $dateFormatShort = \Application::get()->getRequest()->getContext()->getLocalizedDateFormatShort();
 
      if ($this->isHijriCalendar()) {
         $format = preg_replace('/\s*\(H\)/i', '', $format);
      }
 
      // store the dates we parse.
      $dates = array();
 
      if (!$this->isFreeText()) { // this is not a free-form code
         // assume that the characters in the format match up with
         // the characters in the entered date.  Iterate until the end.
 
         $numbers = str_split($this->getDate());
 
         // these two should be the same length.
         assert(count($numbers) == count(str_split($format)));
 
         // Some date codes have two dates (ie, a range).
         // Split these up into both dates.
         if (substr_count($format, 'Y') == 8) {
            preg_match('/^(YYYY.*)(YYYY.*)$/', $format, $matches);
            $dateFormats = array($matches[1], $matches[2]);
         } else {
            $dateFormats = array($format);
         }
 
         foreach ($dateFormats as $format) {
            $formatCharacters = str_split($format);
            $previousFormatCharacter = '';
            $thisDate = '';
            $separator = '-';
            $containsMonth = false;
 
            for ($i = 0 ; $i < count($formatCharacters) ; $i ++) {
               switch ($formatCharacters[$i]) {
                  // if there is a Time included, change the separator.
                  // Do not include the number, add a space instead.
                  case 'T':
                     $separator = ':';
                     $thisDate .= ' ';
                     break;
                  case 'M': // falls through to default. This is just a marker.
                     $containsMonth = true;
                  default:
                     if ($i > 0 && $previousFormatCharacter != $formatCharacters[$i] && $previousFormatCharacter != 'T') {
                     $thisDate .= $separator;
                  }
                  $thisDate .= $numbers[$i];
                  break;
               }
 
               $previousFormatCharacter = $formatCharacters[$i];
            }
 
            // Perform date formatting here instead of in the template since
            // testing is easier.
            if ($containsMonth) {
               $thisDate = strftime($dateFormatShort, strtotime($thisDate));
            }
 
            $dates[] = $thisDate;
            // remove the first date from the numbers and extract again.
            $numbers = array_slice($numbers, count($formatCharacters));
         }
 
      } else {
         $dates[] = $this->getDate();
      }
      return $dates;
   }
 
   function getUnixTime() {
      $date = $this->getDate();
      switch ($this->getDateFormat()) {
         case '12': return strtotime($date);
         case '05': return strtotime("$date-01-01");
         case '01': return strtotime("$date-01");
         case '13': // FIXME: improve resolution below day
         case '14': // FIXME: improve resolution below day
         case '06': // FIXME: improve resolution below day
         case '00': return strtotime(substr($date, 0, 4) . '-' . substr($date, 4, 2) . '-' . substr($date, 6, 2));
      }
      return null;
   }
}