function extractISBNNumber( $isbnNr = false, &$error )
{
$ini = eZINI::instance( 'content.ini' );
$ean = preg_replace( "/[\s|\-]+/", "", $isbnNr );
if ( is_numeric( $ean ) and strlen( $ean ) == self::LENGTH )
{
$prefix = substr( $ean, 0, self::PREFIX_LENGTH );
$this->Prefix = $prefix;
$checkDigit = substr( $ean, 12, self::CHECK_LENGTH );
$this->CheckDigit = $checkDigit;
if ( $prefix == self::PREFIX_978 )
{
$registrantValue = false;
$groupValue = false;
$publicationValue = false;
$checkDigit = false;
$groupRange = eZISBNGroupRange::extractGroup( $ean );
$groupLength = false;
if ( $groupRange )
{
$groupLength = $groupRange->attribute( 'group_length' );
}
if ( $groupLength )
{
$groupValue = substr( $ean, self::PREFIX_LENGTH, $groupLength );
$this->RegistrationGroup = $groupValue;
$group = eZISBNGroup::fetchByGroup( $groupValue );
if ( $group instanceof eZISBNGroup )
{
$registrant = eZISBNRegistrantRange::extractRegistrant( $ean, $group, $groupRange, $registrantLength );
if ( $registrant instanceof eZISBNRegistrantRange and
$registrantLength > 0 )
{
$registrantOffset = self::PREFIX_LENGTH + $groupLength;
$registrantValue = substr( $ean, $registrantOffset, $registrantLength );
$this->RegistrantElement = $registrantValue;
$publicationOffset = $registrantOffset + $registrantLength;
$publicationLength = 12 - $publicationOffset;
$publicationValue = substr( $ean, $publicationOffset, $publicationLength );
$this->PublicationElement = $publicationValue;
}
else
{
$strictValidation = $ini->variable( 'ISBNSettings', 'StrictValidation' );
if ( $strictValidation == 'true' )
{
$error = ezpI18n::tr( 'kernel/classes/datatypes', 'The registrant element of the ISBN number does not exist.' );
return false;
}
}
}
else
{
$strictValidation = $ini->variable( 'ISBNSettings', 'StrictValidation' );
if ( $strictValidation == 'true' )
{
$error = ezpI18n::tr( 'kernel/classes/datatypes', 'The ISBN number has a incorrect registration group number.' );
return false;
}
}
}
else
{
$strictValidation = $ini->variable( 'ISBNSettings', 'StrictValidation' );
if ( $strictValidation == 'true' )
{
$error = ezpI18n::tr( 'kernel/classes/datatypes', 'The group element of the ISBN number does not exist.' );
return false;
}
}
}
else
{
$strictValidation = $ini->variable( 'ISBNSettings', 'StrictValidation' );
if ( $strictValidation == 'true' )
{
$error = ezpI18n::tr( 'kernel/classes/datatypes', '%1 is not a valid prefix of the ISBN number.', null, array( $prefix ) );
return false;
}
}
}
else
{
$error = ezpI18n::tr( 'kernel/classes/datatypes', 'All ISBN 13 characters need to be numeric' );
return false;
}
return true;
}
static function cleanAll()
{
$db = eZDB::instance();
$definition = eZISBNGroupRange::definition();
$table = $definition['name'];
$sql = "TRUNCATE TABLE " . $table;
$db->query($sql);
}
foreach ($rules as $rule) {
$length = (int) $rule->Length;
// if length is 0 there is no need to add to the database
if ($length > 0) {
$rangeArray = explode('-', $rule->Range);
$fromValue = substr($rangeArray[0], 0, 5);
$toValue = substr($rangeArray[1], 0, 5);
$registrantFrom = substr($rangeArray[0], 0, $length);
$registrantTo = substr($rangeArray[1], 0, $length);
$registrationGroup = eZISBNRegistrantRange::create($isbnGroupID, $fromValue, $toValue, $registrantFrom, $registrantTo, $length);
$registrationGroup->store();
}
}
}
// get group ranges
$groupRanges = $xml->xpath('///EAN.UCC/Rules/Rule');
foreach ($groupRanges as $groupRange) {
$registrationGroupItemLength = (int) $groupRange->Length;
// if length is 0 there is no need to add to the database
if ($registrationGroupItemLength > 0) {
$rangeArray = explode('-', $groupRange->Range);
$fromValue = substr($rangeArray[0], 0, 5);
$toValue = substr($rangeArray[1], 0, 5);
$groupFrom = substr($rangeArray[0], 0, $registrationGroupItemLength);
$groupTo = substr($rangeArray[1], 0, $registrationGroupItemLength);
$registrationGroupRange = eZISBNGroupRange::create($fromValue, $toValue, $groupFrom, $groupTo, $registrationGroupItemLength);
$registrationGroupRange->store();
}
}
$cli->output('Complete');
$script->shutdown();
function cleanDBDataBeforeImport()
{
eZISBNGroup::cleanAll();
eZISBNGroupRange::cleanAll();
eZISBNRegistrantRange::cleanAll();
return true;
}