/**
* @return string|null "LHS" or "RHS" depending on the side of the relationship this link represents
*/
public function getSide()
{
//First try the relationship
if ($this->relationship->getLHSLink() == $this->name && $this->relationship->getLHSModule() == $this->focus->module_name) {
return REL_LHS;
}
if ($this->relationship->getRHSLink() == $this->name && $this->relationship->getRHSModule() == $this->focus->module_name) {
return REL_RHS;
}
//Next try the vardef
if (!empty($this->def['side'])) {
if ((strtolower($this->def['side']) == 'left' || $this->def['side'] == REL_LHS) && (empty($this->relationship->def['join_key_lhs']) || $this->name != $this->relationship->def['join_key_lhs'])) {
return REL_LHS;
} else {
return REL_RHS;
}
} else {
if (!empty($this->def['id_name'])) {
//Next try using the id_name and relationship join keys
if (isset($this->relationship->def['join_key_lhs']) && $this->def['id_name'] == $this->relationship->def['join_key_lhs']) {
return REL_RHS;
} else {
if (isset($this->relationship->def['join_key_rhs']) && $this->def['id_name'] == $this->relationship->def['join_key_rhs']) {
return REL_LHS;
}
}
}
}
Log::error("Unable to get proper side for link {$this->name}");
}
