classes/publicationFormat/PublicationDate.inc.php

<?php

class PublicationDate extends DataObject {

   var $dateFormats;

   function PublicationDate() {

      $onixCodelistItemDao =& DAORegistry::getDAO('ONIXCodelistItemDAO');
      $this->dateFormats =& $onixCodelistItemDao->getCodes('List55');

      parent::DataObject();
   }

   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');
      $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 = Config::getVar('general', 'date_format_short');

      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;
   }
}

?>