Keep compatibility with Icinga DB v5

application/controllers/ServiceController.php

@@ -8,6 +8,7 @@ use ArrayIterator;
 use Icinga\Exception\NotFoundError;
 use Icinga\Module\Icingadb\Command\Object\GetObjectCommand;
 use Icinga\Module\Icingadb\Command\Transport\CommandTransport;
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Common\CommandActions;
 use Icinga\Module\Icingadb\Common\Links;
 use Icinga\Module\Icingadb\Common\ServiceLinks;
@@ -39,7 +40,6 @@ class ServiceController extends Controller
         $hostName = $this->params->getRequired('host.name');
 
         $query = Service::on($this->getDb())
-            ->withColumns(['has_problematic_parent'])
             ->with([
                 'state',
                 'icon_image',
@@ -54,6 +54,10 @@ class ServiceController extends Controller
                 Filter::equal('host.name', $hostName)
             ));
 
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $query->withColumns(['has_problematic_parent']);
+        }
+
         $this->applyRestrictions($query);
 
         /** @var Service $service */

library/Icingadb/Model/Host.php

@@ -5,6 +5,7 @@
 namespace Icinga\Module\Icingadb\Model;
 
 use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Model\Behavior\BoolCast;
 use Icinga\Module\Icingadb\Model\Behavior\ReRoute;
 use ipl\Orm\Behavior\Binary;
@@ -74,7 +75,7 @@ class Host extends Model
 
     public function getColumns()
     {
-        return [
+        $columns = [
             'environment_id',
             'name_checksum',
             'properties_checksum',
@@ -112,14 +113,19 @@ class Host extends Model
             'zone_name',
             'zone_id',
             'command_endpoint_name',
-            'command_endpoint_id',
-            'affected_children'
+            'command_endpoint_id'
         ];
+
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $columns[] = 'affected_children';
+        }
+
+        return $columns;
     }
 
     public function getColumnDefinitions()
     {
-        return [
+        $columns = [
             'environment_id'            => t('Environment Id'),
             'name_checksum'             => t('Host Name Checksum'),
             'properties_checksum'       => t('Host Properties Checksum'),
@@ -157,9 +163,14 @@ class Host extends Model
             'zone_name'                 => t('Zone Name'),
             'zone_id'                   => t('Zone Id'),
             'command_endpoint_name'     => t('Endpoint Name'),
-            'command_endpoint_id'       => t('Endpoint Id'),
-            'affected_children'         => t('Affected Children'),
+            'command_endpoint_id'       => t('Endpoint Id')
         ];
+
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $columns['affected_children'] = t('Affected Children');
+        }
+
+        return $columns;
     }
 
     public function getSearchColumns()

library/Icingadb/Model/HostState.php

@@ -4,6 +4,7 @@
 
 namespace Icinga\Module\Icingadb\Model;
 
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Common\HostStates;
 use ipl\Orm\Relations;
 
@@ -24,7 +25,7 @@ class HostState extends State
 
     public function getColumnDefinitions()
     {
-        return [
+        $columns = [
             'environment_id'                => t('Environment Id'),
             'state_type'                    => t('Host State Type'),
             'soft_state'                    => t('Host Soft State'),
@@ -53,9 +54,14 @@ class HostState extends State
             'last_update'                   => t('Host Last Update'),
             'last_state_change'             => t('Host Last State Change'),
             'next_check'                    => t('Host Next Check'),
-            'next_update'                   => t('Host Next Update'),
-            'affects_children'              => t('Host Affects Children'),
+            'next_update'                   => t('Host Next Update')
         ];
+
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $columns['affects_children'] = t('Host Affects Children');
+        }
+
+        return $columns;
     }
 
     public function createRelations(Relations $relations)

library/Icingadb/Model/Service.php

@@ -5,6 +5,7 @@
 namespace Icinga\Module\Icingadb\Model;
 
 use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Model\Behavior\BoolCast;
 use Icinga\Module\Icingadb\Model\Behavior\HasProblematicParent;
 use Icinga\Module\Icingadb\Model\Behavior\ReRoute;
@@ -70,7 +71,7 @@ class Service extends Model
 
     public function getColumns()
     {
-        return [
+        $columns = [
             'environment_id',
             'name_checksum',
             'properties_checksum',
@@ -105,14 +106,19 @@ class Service extends Model
             'zone_name',
             'zone_id',
             'command_endpoint_name',
-            'command_endpoint_id',
-            'affected_children'
+            'command_endpoint_id'
         ];
+
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $columns[] = 'affected_children';
+        }
+
+        return $columns;
     }
 
     public function getColumnDefinitions()
     {
-        return [
+        $columns = [
             'environment_id'            => t('Environment Id'),
             'name_checksum'             => t('Service Name Checksum'),
             'properties_checksum'       => t('Service Properties Checksum'),
@@ -148,8 +154,13 @@ class Service extends Model
             'zone_id'                   => t('Zone Id'),
             'command_endpoint_name'     => t('Endpoint Name'),
             'command_endpoint_id'       => t('Endpoint Id'),
-            'affected_children'         => t('Affected Children')
         ];
+
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $columns['affected_children'] = t('Affected Children');
+        }
+
+        return $columns;
     }
 
     public function getSearchColumns()
@@ -196,7 +207,9 @@ class Service extends Model
             'command_endpoint_id'
         ]));
 
-        $behaviors->add(new HasProblematicParent());
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $behaviors->add(new HasProblematicParent());
+        }
     }
 
     public function createDefaults(Defaults $defaults)

library/Icingadb/Model/ServiceState.php

@@ -4,6 +4,7 @@
 
 namespace Icinga\Module\Icingadb\Model;
 
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Common\ServiceStates;
 use ipl\Orm\Relations;
 
@@ -26,7 +27,7 @@ class ServiceState extends State
 
     public function getColumnDefinitions()
     {
-        return [
+        $columns = [
             'environment_id'                => t('Environment Id'),
             'state_type'                    => t('Service State Type'),
             'soft_state'                    => t('Service Soft State'),
@@ -55,9 +56,14 @@ class ServiceState extends State
             'last_update'                   => t('Service Last Update'),
             'last_state_change'             => t('Service Last State Change'),
             'next_check'                    => t('Service Next Check'),
-            'next_update'                   => t('Service Next Update'),
-            'affects_children'              => t('Service Affects Children'),
+            'next_update'                   => t('Service Next Update')
         ];
+
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $columns['affects_children'] = t('Service Affects Children');
+        }
+
+        return $columns;
     }
 
     public function createRelations(Relations $relations)

library/Icingadb/Model/State.php

@@ -5,6 +5,7 @@
 namespace Icinga\Module\Icingadb\Model;
 
 use DateTime;
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Common\Icons;
 use Icinga\Module\Icingadb\Model\Behavior\BoolCast;
 use ipl\Orm\Behavior\Binary;
@@ -68,7 +69,7 @@ abstract class State extends Model
 
     public function getColumns()
     {
-        return [
+        $columns = [
             'environment_id',
             'state_type',
             'soft_state',
@@ -99,9 +100,14 @@ abstract class State extends Model
             'last_update',
             'last_state_change',
             'next_check',
-            'next_update',
-            'affects_children'
+            'next_update'
         ];
+
+        if (Backend::getDbSchemaVersion() >= 6) {
+            $columns[] = 'affects_children';
+        }
+
+        return $columns;
     }
 
     public function createBehaviors(Behaviors $behaviors)

library/Icingadb/Widget/Detail/ObjectDetail.php

@@ -14,6 +14,7 @@ use Icinga\Application\Web;
 use Icinga\Date\DateFormatter;
 use Icinga\Exception\IcingaException;
 use Icinga\Module\Icingadb\Common\Auth;
+use Icinga\Module\Icingadb\Common\Backend;
 use Icinga\Module\Icingadb\Common\Database;
 use Icinga\Module\Icingadb\Common\HostLinks;
 use Icinga\Module\Icingadb\Common\Icons;
@@ -43,6 +44,7 @@ use ipl\Sql\Expression;
 use ipl\Sql\Filter\Exists;
 use ipl\Web\Widget\CopyToClipboard;
 use ipl\Web\Widget\EmptyState;
+use ipl\Web\Widget\EmptyStateBar;
 use ipl\Web\Widget\HorizontalKeyValue;
 use Icinga\Module\Icingadb\Widget\ItemList\CommentList;
 use Icinga\Module\Icingadb\Widget\PluginOutputContainer;
@@ -617,6 +619,17 @@ class ObjectDetail extends BaseHtmlElement
      */
     protected function createRootProblems(): ?array
     {
+        if (Backend::getDbSchemaVersion() < 6) {
+            if ($this->object->state->is_reachable) {
+                return null;
+            }
+
+            return [
+                HtmlElement::create('h2', null, Text::create(t('Root Problems'))),
+                new EmptyStateBar(t("You're missing out! Upgrade Icinga DB and see the actual root cause here!"))
+            ];
+        }
+
         // If a dependency has failed, then the children are not reachable. Hence, the root problems should not be shown
         // if the object is reachable. And in case of a service, since, it may be also be unreachable because of its
         // host being down, only show its root problems if it's really caused by a dependency failure.
@@ -669,7 +682,7 @@ class ObjectDetail extends BaseHtmlElement
      */
     protected function createAffectedObjects(): ?array
     {
-        if (! $this->object->state->affects_children) {
+        if (! isset($this->object->state->affects_children) || ! $this->object->state->affects_children) {
             return null;
         }
 

library/Icingadb/Widget/ItemList/StateListItem.php

@@ -98,7 +98,7 @@ abstract class StateListItem extends BaseListItem
             Html::tag('span', ['class' => 'state-text'], $this->state->getStateTextTranslated())
         ));
 
-        if ($this->state->affects_children) {
+        if (isset($this->state->affects_children) && $this->state->affects_children) {
             $total = (int) $this->item->affected_children;
 
             if ($total > 1000) {