/**
* This is the general entrence of creating actual content.
* When anything goes wrong, e.g. found no record, or $set_name is not recognised, an exception will be thrown.
* And for this implementation, data are stored in a database therefore a PDO is needed. But the source can be any.
*
* \param $set_name Type: string. The name of set is going to be created.
* \param $key Type: string. The main identifier used in the system. There can be other identifiers.
*/
public function create_obj_node($set_name, $key)
{
$set_name = strtolower($set_name);
if (in_array($set_name, prepare_set_names())) {
try {
$query = "select * from oai_record where oai_identifier = '" . $key . "'";
$res = exec_pdo_query($this->db, $query);
$record = $res->fetch(PDO::FETCH_ASSOC);
foreach ($record as $rkey => $rvalue) {
if (!strncmp($rkey, 'dc_', 3)) {
$is_serialized = false;
$valArr = @unserialize(base64_decode($rvalue));
if ($valArr !== false) {
$is_serialized = true;
}
if ($is_serialized) {
foreach ($valArr as $vkey => $vvalue) {
// handle multi-dimensional arrays for combined multi-lang & simple multiplicity
if (is_array($vvalue)) {
foreach ($vvalue as $vkey2 => $vvalue2) {
$added_node = $this->oai_pmh->addChild($this->working_node, str_replace("dc_", "dc:", $rkey), $vvalue2);
// numeric vkeys show simple multiplicity
// string vkeys show multi-lang multiplicity requiring xml:lang attribute
if (!is_numeric($vkey2)) {
$added_node->setAttribute('xml:lang', $vkey2);
}
}
} else {
$added_node = $this->oai_pmh->addChild($this->working_node, str_replace("dc_", "dc:", $rkey), $vvalue);
// numeric vkeys show simple multiplicity
// string vkeys show multi-lang multiplicity requiring xml:lang attribute
if (!is_numeric($vkey)) {
$added_node->setAttribute('xml:lang', $vkey);
}
}
}
} else {
$this->oai_pmh->addChild($this->working_node, str_replace("dc_", "dc:", $rkey), $rvalue);
}
}
}
} catch (PDOException $e) {
echo "{$key} returned no record.\n";
echo $e->getMessage();
}
} else {
throw new Exception('Wrong set name was used: ' . $set_name);
}
}
/** The processor for creating metadata node of Party. Called from create_obj_node. As party-person is different to party-group, there are two sub-functions are called accordingly.
* \param $table_name Type: string. The table name will be used to retrieve data from.
* \param $id_party Type: integer. Internal party id associated to this party-group.
* \see Function create_party.
*/
private function create_group($table_name, $id_party)
{
$db = $this->db;
// echo 'table: ',$table_name,' party: ',$id_party,"\n";
$query = sprintf("SELECT customer_name, abn, post_code, address, city, state, country, tel, fax, email, www, description FROM %s WHERE id_org = %s", $table_name, $id_party);
//echo $query;
$res = exec_pdo_query($db, $query);
$info = $res->fetch(PDO::FETCH_ASSOC);
$c = $this->create_name_node();
$this->create_namePart($c, $info['customer_name']);
if (!empty($info['abn'])) {
$this->create_identifier_node($info['abn'], 'abn');
}
if (!empty($info['description'])) {
$this->create_description_node($info['description']);
}
$l_node = $this->create_location_node();
$a_node = $this->create_address_node($l_node);
$this->create_physcial_fone_fax($a_node, $info['tel'], 'telephoneNumber');
$this->create_physcial_fone_fax($a_node, $info['fax'], 'faxNumber');
$add_txt = trim($info['address']) . ', ' . $info['city'] . ' ' . $info['state'] . ' ' . $info['post_code'] . ', ' . $info['country'];
$this->create_physcial_addr_txt($a_node, $add_txt);
// related objects:
// their members:
$query = "SELECT list_pub_members({$id_party})";
$res = exec_pdo_query($db, $query);
$info = $res->fetch(PDO::FETCH_NUM);
foreach ($info as $item) {
$this->create_relatedObject($item, 'hasMember');
}
}
