/**
* This function takes a list of metadata values and synchronises
* those values into the values that already exist for the field by
* adding new values and disabling values that aren't in the new
* list.
*
* XXX: Scalability: This function
*/
function synchroniseMetadata($oField, $aNewMetadata)
{
$iFieldId = KTUtil::getId($oField);
$aCurrentAllValues = Metadata::getValuesByDocumentField($iFieldId);
$aCurrentEnabledValues = Metadata::getEnabledValuesByDocumentField($iFieldId);
$aCurrentDisabledValues = Metadata::getDisabledValuesByDocumentField($iFieldId);
$aToBeAddedValues = array_diff($aNewMetadata, $aCurrentAllValues);
$aToBeDisabledValues = array_diff($aCurrentEnabledValues, $aNewMetadata);
$aToBeEnabledValues = array_intersect($aCurrentDisabledValues, $aNewMetadata);
foreach ($aToBeAddedValues as $sValue) {
$oMetadata =& Metadata::createFromArray(array('name' => $sValue, 'docfieldid' => $iFieldId));
}
foreach ($aToBeDisabledValues as $sValue) {
$oMetadata =& Metadata::getByValueAndDocumentField($sValue, $iFieldId);
if (PEAR::isError($oMetadata)) {
var_dump($aToBeDisabledValues);
var_dump($sValue);
var_dump($iFieldId);
var_dump($oMetadata);
exit(0);
}
if (!$oMetadata->getIsStuck()) {
$oMetadata->updateFromArray(array('disabled' => true));
}
}
foreach ($aToBeEnabledValues as $sValue) {
$oMetadata =& Metadata::getByValueAndDocumentField($sValue, $iFieldId);
if (!$oMetadata->getIsStuck()) {
$oMetadata->updateFromArray(array('disabled' => false));
}
}
}