protected function doesRuleMatch(HeraldRule $rule, HeraldObjectAdapter $object)
{
$id = $rule->getID();
if (isset($this->results[$id])) {
// If we've already evaluated this rule because another rule depends
// on it, we don't need to reevaluate it.
return $this->results[$id];
}
if (isset($this->stack[$id])) {
// We've recursed, fail all of the rules on the stack. This happens when
// there's a dependency cycle with "Rule conditions match for rule ..."
// conditions.
foreach ($this->stack as $rule_id => $ignored) {
$this->results[$rule_id] = false;
}
throw new HeraldRecursiveConditionsException();
}
$this->stack[$id] = true;
$all = $rule->getMustMatchAll();
$conditions = $rule->getConditions();
$result = null;
$local_version = id(new HeraldRule())->getConfigVersion();
if ($rule->getConfigVersion() > $local_version) {
$reason = "Rule could not be processed, it was created with a newer " . "version of Herald.";
$result = false;
} else {
if (!$conditions) {
$reason = "Rule failed automatically because it has no conditions.";
$result = false;
} else {
if ($rule->hasInvalidOwner()) {
$reason = "Rule failed automatically because its owner is invalid " . "or disabled.";
$result = false;
} else {
foreach ($conditions as $condition) {
$match = $this->doesConditionMatch($rule, $condition, $object);
if (!$all && $match) {
$reason = "Any condition matched.";
$result = true;
break;
}
if ($all && !$match) {
$reason = "Not all conditions matched.";
$result = false;
break;
}
}
if ($result === null) {
if ($all) {
$reason = "All conditions matched.";
$result = true;
} else {
$reason = "No conditions matched.";
$result = false;
}
}
}
}
}
$rule_transcript = new HeraldRuleTranscript();
$rule_transcript->setRuleID($rule->getID());
$rule_transcript->setResult($result);
$rule_transcript->setReason($reason);
$rule_transcript->setRuleName($rule->getName());
$rule_transcript->setRuleOwner($rule->getAuthorPHID());
$this->transcript->addRuleTranscript($rule_transcript);
return $result;
}
