/**
* @see Editor_Models_ConceptValidator::validate($concept)
*/
public function isValid(Editor_Models_Concept $concept, $extraData)
{
$this->_setField('narrower');
$isValid = true;
$allNarrowers = $concept->getRelationsByField('narrower', null, array($concept, 'getAllRelations'));
foreach ($allNarrowers as $narrower) {
$narrower = new Editor_Models_Concept($narrower);
if ($narrower->hasRelationInDepth('narrower', $concept)) {
$isValid = false;
$this->_addConflictedConcept($narrower);
}
}
if (!$isValid) {
$this->_setErrorMessage(_('One or more of the narrower relations create a cycle'));
}
return $isValid;
}
/**
* @see Editor_Models_ConceptValidator::validate($concept)
*/
public function isValid(Editor_Models_Concept $concept, $extraData)
{
$this->_setField('broader');
$isValid = true;
$allNarrowers = $concept->getRelationsByField('narrower', null, array($concept, 'getAllRelations'));
foreach ($allNarrowers as $narrower) {
$narrower = new Editor_Models_Concept($narrower);
if ($concept->hasRelationInDepth('narrower', $narrower, false)) {
$isValid = false;
$this->_addConflictedConcept($narrower);
}
}
if (!$isValid) {
$this->_setErrorMessage(_('One or more of narrower relations have also a relation via an intermediate concepts'));
}
return $isValid;
}
/**
* Searches for relation with the $searchConcept - direct or via intermidate concepts.
*
* @param string $type broader, narrower or related.
* @param Editor_Models_Concept $searchConcept
* @param bool $checkFirstLevel Searches only for relation with intermidiate concept.
*/
public function hasRelationInDepth($type, Editor_Models_Concept $searchConcept, $checkFirstLevel = true)
{
$relations = $this->getRelationsByField($type, null, array($this, 'getAllRelations'));
foreach ($relations as $relation) {
if ($relation['uuid'] == $searchConcept['uuid']) {
if ($checkFirstLevel) {
return true;
}
} else {
$relation = new Editor_Models_Concept($relation);
if ($relation->hasRelationInDepth($type, $searchConcept)) {
return true;
}
}
}
return false;
}
