Source of maps.inc.php - Zabbix

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 * @param int      $i['iconid_disabled']     Icon ID for disabled element.
 * @param bool     $i['latelyChanged']       Whether trigger status has changed recently.
 * @param int      $i['priority']            Problem severity. Possible values:
 *                                           TRIGGER_SEVERITY_NOT_CLASSIFIED, TRIGGER_SEVERITY_INFORMATION,
 *                                           TRIGGER_SEVERITY_WARNING, TRIGGER_SEVERITY_AVERAGE, TRIGGER_SEVERITY_HIGH,
 *                                           TRIGGER_SEVERITY_DISASTER.
 * @param int      $i['expandproblem']       Map "Display problems" option. Possible values:
 *                                           SYSMAP_SINGLE_PROBLEM, SYSMAP_PROBLEMS_NUMBER,
 *                                           SYSMAP_PROBLEMS_NUMBER_CRITICAL.
 * @param string   $i['problem_title']       (optional) The name of the most critical problem.
 * @param int      $host_count               (optional) Number of unique hosts that the current selement is related to.
 * @param int|null $show_unack               (optional) Map "Problem display" option. Possible values:
 *                                           EXTACK_OPTION_ALL, EXTACK_OPTION_UNACK, EXTACK_OPTION_BOTH.
 *
 * @return array
 */
function getSelementInfo(array $i, ?int $show_unack = null): array {
function getSelementInfo(array $i, int $host_count = 0, int $show_unack = null): array {
    if ($i['elementtype'] == SYSMAP_ELEMENT_TYPE_IMAGE) {
        return [
            'iconid' => $i['iconid_off'],
            'icon_type' => SYSMAP_ELEMENT_ICON_OFF,
            'name' => _('Image'),
            'latelyChanged' => false
        ];
    }
​
    $info = [
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            $info['iconid'] = $i['iconid_on'];
            $info['icon_type'] = SYSMAP_ELEMENT_ICON_ON;
            $has_problem = true;
        }
​
        $info['aria_label'] = ($i['problem'] > 1)
            ? _n('%1$s problem', '%1$s problems', $i['problem'])
            : $i['problem_title'];
    }
​
    $all_hosts_in_maintenance = $i['maintenance'] && ($host_count == $i['disabled'] + $i['maintenance']);
​
    if ($i['maintenance']) {
        $info['iconid'] = $i['iconid_maintenance'];
        $info['icon_type'] = SYSMAP_ELEMENT_ICON_MAINTENANCE;
        if (!$has_problem && $all_hosts_in_maintenance) {
            $info['iconid'] = $i['iconid_maintenance'];
            $info['icon_type'] = SYSMAP_ELEMENT_ICON_MAINTENANCE;
        }
​
        $info['info']['maintenance'] = [
            'msg' => ($i['elementtype'] == SYSMAP_ELEMENT_TYPE_HOST)
                ? _('In maintenance')
                : _n('%1$s host in maintenance', '%1$s hosts in maintenance', $i['maintenance']),
            'color' => 'EE9600'
        ];
    }
​
    if (!$has_problem) {
        if (!$i['maintenance']) {
        if (!$all_hosts_in_maintenance) {
            $info['iconid'] = $i['iconid_off'];
            $info['icon_type'] = SYSMAP_ELEMENT_ICON_OFF;
        }
​
        $info['info']['ok'] = [
            'msg' => _('OK'),
            'color' => getSelementLabelColor(false, $info['ack'])
        ];
    }
​
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                    $all_triggerid_to_selementids[$triggerid] = $selementids;
                }
                else {
                    $all_triggerid_to_selementids[$triggerid] += $selementids;
                }
            }
        }
​
        $triggers = API::Trigger()->get([
            'output' => ['triggerid', 'status', 'value', 'priority', 'description', 'expression'],
            'selectHosts' => ['hostid', 'maintenance_status'],
            'selectHosts' => ['hostid', 'status', 'maintenance_status'],
            'triggerids' => array_keys($all_triggerid_to_selementids),
            'filter' => ['state' => null],
            'preservekeys' => true
        ]);
​
        $monitored_triggers = API::Trigger()->get([
            'output' => [],
            'triggerids' => array_keys($triggers),
            'monitored' => true,
            'skipDependent' => true,
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    foreach ($allHosts as $hostid => $host) {
        if ($host['status'] == HOST_STATUS_MONITORED) {
            $monitored_hostids[$hostid] = true;
        }
    }
​
    // triggers from all hosts/hostgroups, skip dependent
    if ($monitored_hostids) {
        $triggers = API::Trigger()->get([
            'output' => ['triggerid', 'status', 'value', 'priority', 'description', 'expression'],
            'selectHosts' => ['hostid', 'maintenance_status'],
            'selectHosts' => ['hostid', 'status', 'maintenance_status'],
            'selectItems' => ['itemid'],
            'hostids' => array_keys($monitored_hostids),
            'filter' => ['state' => null],
            'monitored' => true,
            'skipDependent' => true,
            'only_true' => true,
            'preservekeys' => true
        ]);
​
        foreach ($triggers as $triggerid => $trigger) {
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        /*
         * If user has no rights to see the details of particular selement, add only info that is needed to render map
         * icons.
         */
        if (PERM_READ > $selement['permission']) {
            $info[$selementId] = getSelementInfo($i + ['iconid_off' => $selement['iconid_off']]);
​
            continue;
        }
​
        $host_count = count($selement['hosts']);
​
        if ($selement['elementtype'] == SYSMAP_ELEMENT_TYPE_TRIGGER
                || $selement['elementtype'] == SYSMAP_ELEMENT_TYPE_MAP) {
            $trigger_hosts = [];
            foreach ($selement['triggers'] as $trigger) {
                foreach ($trigger['hosts'] as $host) {
                    if (!array_key_exists($host['hostid'], $trigger_hosts)
                            && !array_key_exists($host['hostid'], $selement['hosts'])) {
                        $trigger_hosts[$host['hostid']] = true;
                        $host_count++;
​
                        if ($host['maintenance_status'] == HOST_MAINTENANCE_STATUS_ON
                        if ($host['status'] == HOST_STATUS_MONITORED
                                && $host['maintenance_status'] == HOST_MAINTENANCE_STATUS_ON
                                && ($selement['elementtype'] == SYSMAP_ELEMENT_TYPE_TRIGGER
                                || ($selement['elementtype'] == SYSMAP_ELEMENT_TYPE_MAP
                                    && array_key_exists(SYSMAP_ELEMENT_TYPE_TRIGGER, $trigger['source'])))) {
                                    || ($selement['elementtype'] == SYSMAP_ELEMENT_TYPE_MAP
                                        && array_key_exists(SYSMAP_ELEMENT_TYPE_TRIGGER, $trigger['source'])))) {
                            $i['maintenance']++;
                        }
                    }
                }
            }
        }
​
        foreach ($selement['hosts'] as $hostId) {
            $host = $allHosts[$hostId];
​
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        }
        if (!$selement['iconid_disabled']) {
            $selement['iconid_disabled'] = $selement['iconid_off'];
        }
​
        $i['iconid_off'] = $selement['iconid_off'];
        $i['iconid_on'] = $selement['iconid_on'];
        $i['iconid_maintenance'] = $selement['iconid_maintenance'];
        $i['iconid_disabled'] = $selement['iconid_disabled'];
​
        $info[$selementId] = getSelementInfo($i, $sysmap['show_unack']);
        $info[$selementId] = getSelementInfo($i, $host_count, $sysmap['show_unack']);
​
        if ($selement['elementtype'] == SYSMAP_ELEMENT_TYPE_HOST && $sysmap['iconmapid'] && $selement['use_iconmap']) {
            $host_inventory = $host_inventories[$selement['elements'][0]['hostid']];
            $info[$selementId]['iconid'] = getIconByMapping($iconMap, $host_inventory);
        }
​
        $info[$selementId]['problems_total'] = $i['problem'];
    }
​
    if ($sysmap['label_format'] == SYSMAP_LABEL_ADVANCED_OFF) {