openurl.code4lib.org

Credit: epistemographer

class COinS
{
private $item;

private $coins = array();

const ctx_ver = 'Z39.88-2004';
const rft_val_fmt = 'info:ofi/fmt:kev:mtx:dc';
const rfr_id = 'info:sid/omeka.org:generator';

public $coinsSpan;

public function __construct($item)
{
$this->item = $item;

$this->coins['ctx_ver'] = self::ctx_ver;
$this->coins['rft_val_fmt'] = self::rft_val_fmt;
$this->coins['ctx_ver'] = self::ctx_ver;
$this->coins['rfr_id'] = self::rfr_id;

$this->setTitle();
$this->setCreator();
$this->setSubject();
$this->setDescription();
$this->setPublisher();
$this->setContributor();
$this->setDate();
$this->setType();
$this->setFormat();
$this->setIdentifier();
$this->setSource();
$this->setLanguage();
$this->setCoverage();
$this->setRights();

$this->buildCoinsSpan();
}
private function setTitle()
{
$this->coins['rft.title'] = $this->item->title;
}
private function setCreator()
{
$this->coins['rft.creator'] = $this->item->creator;
}
private function setSubject()
{
$this->coins['rft.subject'] = $this->item->subject;
}
private function setDescription()
{
// Truncate to avoid long descriptions.
$this->coins['rft.description'] = substr($this->item->description, 0, 500);
}
private function setPublisher()
{
$this->coins['rft.publisher'] = $this->item->publisher;
}
private function setContributor()
{
$this->coins['rft.contributor'] = $this->item->contributor;
}
private function setDate()
{
$this->coins['rft.date'] = $this->item->date;
}
private function setType()
{
// @todo: devise a better mapping scheme between omeka and COinS/Zotero
switch ($this->item->Type->name) {
case 'Oral History':
$type = 'interview';
break;
case 'Moving Image':
$type = 'videoRecording';
break;
case 'Sound':
$type = 'audioRecording';
break;
case 'Email':
$type = 'email';
break;
case 'Website':
case 'Hyperlink':
$type = 'webPage';
break;
case 'Document':
case 'Event':
case 'Lesson Plan':
case 'Person':
case 'Interactive Resource':
case 'Still Image':
default:
$type = 'document';
break;
}
$this->coins['rft.type'] = $type;
}
private function setFormat()
{
// @todo: include format when Omeka is updated to include it.
$this->coins['rft.format'] = ''; //$this->item->format;
}
private function setIdentifier()
{
$this->coins['rft.identifier'] = $_SERVER['SCRIPT_URI'];
}
private function setSource()
{
$this->coins['rft.source'] = $this->item->source;
}
private function setLanguage()
{
$this->coins['rft.language'] = $this->item->language;
}
private function setCoverage()
{
// @todo: somehow include spacial coverage?
$this->coins['rft.coverage'] = $this->item->temporal_coverage_start . '–' . $this->item->temporal_coverage_end;
}
private function setRights()
{
$this->coins['rft.rights'] = $this->item->rights;
}
private function buildCoinsSpan()
{
$this->coinsSpan = 'coins, '', '&') . '">';
}
}