/**
* Checks if the required parameters are set and the ones that make no sense given the
* snaktype value are not set.
*/
private function validateParameters(array $params)
{
if (!$this->modificationHelper->validateStatementGuid($params['claim'])) {
$this->errorReporter->dieError('Invalid claim guid', 'invalid-guid');
}
if (!isset($params['snakhash'])) {
if (!isset($params['snaktype'])) {
$this->errorReporter->dieError('When creating a new qualifier (ie when not providing a snakhash) a snaktype should be specified', 'param-missing');
}
if (!isset($params['property'])) {
$this->errorReporter->dieError('When creating a new qualifier (ie when not providing a snakhash) a property should be specified', 'param-missing');
}
}
if (isset($params['snaktype']) && $params['snaktype'] === 'value' && !isset($params['value'])) {
$this->errorReporter->dieError('When setting a qualifier that is a PropertyValueSnak, the value needs to be provided', 'param-missing');
}
}
/**
* Validates the parameters and returns the EntityId to act upon on success
*
* @param array $params
*
* @return EntityId
*/
private function getEntityId(array $params)
{
$entityId = null;
foreach ($params['claim'] as $guid) {
if (!$this->modificationHelper->validateStatementGuid($guid)) {
$this->errorReporter->dieError("Invalid claim guid {$guid}", 'invalid-guid');
}
if (is_null($entityId)) {
$entityId = $this->guidParser->parse($guid)->getEntityId();
} else {
if (!$this->guidParser->parse($guid)->getEntityId()->equals($entityId)) {
$this->errorReporter->dieError('All claims must belong to the same entity', 'invalid-guid');
}
}
}
if (is_null($entityId)) {
$this->errorReporter->dieError('Could not find an entity for the claims', 'invalid-guid');
}
return $entityId;
}
/**
* @param array $params
*/
private function validateParameters(array $params)
{
if (!$this->modificationHelper->validateStatementGuid($params['claim'])) {
$this->errorReporter->dieError('Invalid claim guid', 'invalid-guid');
}
}