/**
* Class constructor.
*
* @param LTI_Resource_Link $resource_link Resource_Link object
* @param string $id Value of share key (optional, default is null)
*/
public function __construct($resource_link, $id = NULL)
{
$this->initialise();
$this->data_connector = $resource_link->getConsumer()->getDataConnector();
$this->id = $id;
$this->primary_context_id =& $this->primary_resource_link_id;
if (!empty($id)) {
$this->load();
} else {
$this->primary_consumer_key = $resource_link->getKey();
$this->primary_resource_link_id = $resource_link->getId();
}
}
/**
* Get an array of LTI_Resource_Link_Share objects for each resource link which is sharing this resource link
*
* @param LTI_Resource_Link $resource_link
* @return array
*/
public function Resource_Link_getShares($resource_link)
{
$shares = array();
$key = $resource_link->getKey();
$id = $resource_link->getId();
$sql = 'SELECT consumer_key, context_id, title, share_approved ' . 'FROM ' . $this->dbTableNamePrefix . LTI_Data_Connector::RESOURCE_LINK_TABLE_NAME . ' ' . 'WHERE (primary_consumer_key = :key) AND (primary_context_id = :id) ' . 'ORDER BY consumer_key';
$query = $this->db->prepare($sql);
$query->bindValue('key', $key, PDO::PARAM_STR);
$query->bindValue('id', $id, PDO::PARAM_STR);
if ($query->execute()) {
while ($row = $query->fetch()) {
$share = new LTI_Resource_Link_Share();
$share->consumer_key = $row['consumer_key'];
$share->resource_link_id = $row['context_id'];
$share->title = $row['title'];
$share->approved = $row['share_approved'] == 1;
$shares[] = $share;
}
}
return $shares;
}
