/**
* @return an array of the values to be used in the target field of the target form
*/
function getValues(&$data)
{
$from = SPSUtils::fromArray($data, 'from', 1);
$to = SPSUtils::fromArray($data, 'to', $from);
$step = SPSUtils::fromArray($data, 'step', 1);
$digits = SPSUtils::fromArray($data, 'digits', 1);
$errors = '';
if (!is_numeric($from)) {
$errors .= SPSUtils::buildMessage('spserror-count-startvaluemalformed') . "\n";
}
if (!is_numeric($to)) {
$errors .= SPSUtils::buildMessage('spserror-count-endvaluemalformed') . "\n";
}
if (!is_numeric($step)) {
$errors .= SPSUtils::buildMessage('spserror-count-stepvaluemalformed') . "\n";
}
if (!is_numeric($digits)) {
$errors .= SPSUtils::buildMessage('spserror-count-digitsvaluemalformed') . "\n";
}
if ($errors !== '') {
throw new SPSException($errors);
}
$values = array();
for ($index = $from; $index <= $to; $index += $step) {
$values[] = sprintf('%0' . $digits . 'd', $index);
}
return $values;
}
/**
* @return an array of the values to be used in the target field of the target form
*/
function getValues(&$data)
{
$start = SPSUtils::fromArray($data, 'start');
$end = SPSUtils::fromArray($data, 'end', $start);
$period = SPSUtils::fromArray($data, 'period', 1);
$unit = SPSUtils::fromArray($data, 'unit', 'day');
if ($start === null || $start === '') {
throw new SPSException(SPSUtils::buildMessage('spserror-date-startdatemissing'));
}
//prepare params for getDatesForRecurringEvent
$params = array('property=SomeDummyProperty', 'start=' . $start, 'end=' . $end, 'period=' . $period, 'unit=' . $unit);
$values = SMWSetRecurringEvent::getDatesForRecurringEvent($params);
if ($values === null) {
throw new SPSException(SPSUtils::buildMessage('spserror-date-internalerror'));
}
// if the first date did not contain a time, remove the time from all
// generated dates
if (preg_match('/.:../', $values[1][0]) === 0) {
foreach ($values[1] as $key => $value) {
$values[1][$key] = trim(preg_replace('/..:..:../', '', $value));
}
}
return $values[1];
}
/**
* Builds a JSON blob of the data required to use the iterator.
* @param WebRequest $request
* @return type
*/
private function buildIteratorParameters(WebRequest &$request)
{
global $spsgIterators;
// iteratorName
$iteratorName = $request->getVal('iterator');
if (is_null($iteratorName)) {
throw new SPSException(SPSUtils::buildMessage('spserror-noiteratorname'));
}
if (!array_key_exists($iteratorName, $spsgIterators)) {
throw new SPSException(SPSUtils::buildMessage('spserror-iteratorunknown', $iteratorName));
}
// iterator
$iterator = new $spsgIterators[$iteratorName]();
// targetFormName
$targetFormName = $request->getVal('target_form');
if (is_null($targetFormName)) {
throw new SPSException(SPSUtils::buildMessage('spserror-notargetformname'));
}
// targetFormTitle is not really needed at this stage,
// but we throw an error early if it does not exist
$targetFormTitle = Title::makeTitleSafe(SF_NS_FORM, $targetFormName);
if (!$targetFormTitle->exists()) {
throw new SPSException(SPSUtils::buildMessage('spserror-formunknown', $targetFormName));
}
// targetFieldName
$targetFieldName = $request->getVal('target_field');
if (is_null($targetFieldName)) {
throw new SPSException(SPSUtils::buildMessage('spserror-notargetfieldname'));
}
$params = array('iterator' => $iteratorName, 'target_form' => $targetFormName, 'target_field' => $targetFieldName, 'origin' => $request->getVal('origin'));
// add the iterator-specific values
$paramNames = $iterator->getParameterNames();
$errors = '';
foreach ($paramNames as $paramName => $paramOptional) {
$param = $request->getVal($paramName);
if (is_null($param)) {
if ($paramOptional === SPS_MANDATORY) {
// mandatory parameter missing
$errors .= "* {$paramName}\n";
}
} else {
$params[$paramName] = $param;
}
}
if ($errors !== '') {
throw new SPSException(SPSUtils::buildMessage('spserror-iteratorparammissing', $errors));
}
return FormatJson::encode($params);
}