/**
* Update triggers.
*
* @param array $triggers
*
* @return array
*/
public function update(array $triggers)
{
$triggers = zbx_toArray($triggers);
$triggerIds = zbx_objectValues($triggers, 'triggerid');
$dbTriggers = $this->get(array('triggerids' => $triggerIds, 'editable' => true, 'output' => API_OUTPUT_EXTEND, 'preservekeys' => true));
$triggers = $this->extendObjects($this->tableName(), $triggers, array('description'));
foreach ($triggers as $key => $trigger) {
if (!isset($dbTriggers[$trigger['triggerid']])) {
self::exception(ZBX_API_ERROR_PARAMETERS, _('No permissions to referred object or it does not exist!'));
}
if (!isset($trigger['triggerid'])) {
self::exception(ZBX_API_ERROR_PARAMETERS, _('Wrong fields for trigger.'));
}
// check for "templateid", because it is not allowed
if (array_key_exists('templateid', $trigger)) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Cannot update "templateid" for trigger prototype "%1$s".', $trigger['description']));
}
$dbTrigger = $dbTriggers[$trigger['triggerid']];
if (isset($trigger['expression'])) {
$expressionFull = explode_exp($dbTrigger['expression']);
if (strcmp($trigger['expression'], $expressionFull) == 0) {
unset($triggers[$key]['expression']);
}
// check item prototypes
$triggerExpression = new CTriggerExpression();
if (!$triggerExpression->parse($trigger['expression'])) {
self::exception(ZBX_API_ERROR_PARAMETERS, $triggerExpression->error);
}
$items = getExpressionItems($triggerExpression);
$hasPrototype = false;
foreach ($items as $item) {
if ($item['flags'] == ZBX_FLAG_DISCOVERY_PROTOTYPE) {
$hasPrototype = true;
break;
}
}
if (!$hasPrototype) {
self::exception(ZBX_API_ERROR_PARAMETERS, _s('Trigger prototype expression "%1$s" must contain at least one item prototype.', $trigger['expression']));
}
}
if (isset($trigger['description']) && strcmp($trigger['description'], $dbTrigger['comments']) == 0) {
unset($triggers[$key]['description']);
}
if (isset($trigger['priority']) && $trigger['priority'] == $dbTrigger['priority']) {
unset($triggers[$key]['priority']);
}
if (isset($trigger['type']) && $trigger['type'] == $dbTrigger['type']) {
unset($triggers[$key]['type']);
}
if (isset($trigger['comments']) && strcmp($trigger['comments'], $dbTrigger['comments']) == 0) {
unset($triggers[$key]['comments']);
}
if (isset($trigger['url']) && strcmp($trigger['url'], $dbTrigger['url']) == 0) {
unset($triggers[$key]['url']);
}
if (isset($trigger['status']) && $trigger['status'] == $dbTrigger['status']) {
unset($triggers[$key]['status']);
}
$this->checkIfExistsOnHost($trigger);
}
$this->updateReal($triggers);
foreach ($triggers as $trigger) {
$trigger['flags'] = ZBX_FLAG_DISCOVERY_PROTOTYPE;
$this->inherit($trigger);
}
return array('triggerids' => $triggerIds);
}
/**
* Checks if trigger prototype is in valid state. Checks trigger expression.
*
* @param array $triggerPrototype
*
* @return void
*/
protected function validateTriggerPrototypeExpression(array $triggerPrototype)
{
$triggerExpression = new CTriggerExpression();
if (!$triggerExpression->parse($triggerPrototype['expression'])) {
self::exception(ZBX_API_ERROR_PARAMETERS, $triggerExpression->error);
}
$expressionHostnames = $triggerExpression->getHosts();
$this->checkTemplatesAndHostsTogether($expressionHostnames);
$triggerExpressionItems = getExpressionItems($triggerExpression);
$this->checkDiscoveryRuleCount($triggerPrototype, $triggerExpressionItems);
}
