Hosts parentship master

lib/Centreon/Object/Relation/Host/Parent/Host.php

@@ -40,4 +40,15 @@ class Centreon_Object_Relation_Host_Parent_Host extends Centreon_Object_Relation
     protected $relationTable = "host_hostparent_relation";
     protected $firstKey = "host_parent_hp_id";
     protected $secondKey = "host_host_id";
+    /**
+     * Constructor
+     *
+     * @return void
+     */
+    public function __construct(\Pimple\Container $dependencyInjector)
+    {
+        parent::__construct($dependencyInjector);
+        $this->firstObject = new Centreon_Object_Host($dependencyInjector);
+        $this->secondObject = new Centreon_Object_Host($dependencyInjector);
+    }
 }

lib/Centreon/Object/Relation/Relation.php

@@ -134,6 +134,19 @@ protected function getResult($sql, $params = array())
         return $result;
     }
 
+    /**
+     * Get relation Ids
+     *
+     * @return array
+     * @throws Exception
+     */
+    public function getRelations()
+    {
+        $sql = 'SELECT ' . $this->firstKey . ',' . $this->secondKey . ' ' .
+            'FROM ' . $this->relationTable;
+        return $this->getResult($sql);
+    }
+
     /**
      * Get Merged Parameters from seperate tables
      *

www/class/centreon-clapi/centreonHost.class.php

@@ -89,6 +89,8 @@ class CentreonHost extends CentreonObject
      */
     protected $timezoneObject;
 
+    protected $register;
+
     public static $aDepends = array(
         'CMD',
         'TP',
@@ -890,6 +892,55 @@ public function __call($name, $arg)
         }
     }
 
+    /**
+     * @param $elements
+     * @return array
+     */
+    protected function getHostListByParent(&$elements)
+    {
+        $hostParent = new \Centreon_Object_Relation_Host_Parent_Host($this->dependencyInjector);
+        $parentShip = array();
+        $relations = $hostParent->getRelations();
+        foreach ($relations as $relation) {
+            $firstKey = $relation[$hostParent->getFirstKey()];
+            $secondKey = $relation[$hostParent->getSecondKey()];
+            $parentShip[$secondKey][] = $firstKey;
+        }
+        $hosts = array();
+        foreach ($elements as $element) {
+            $hosts[] = $element['host_id'];
+        }
+        $sortedHosts = array();
+        while ($hostId = array_pop($hosts)) {
+            if (!in_array($hostId, array_keys($parentShip))) {
+                $sortedHosts[] = $hostId;
+            } else {
+                $parents = $parentShip[$hostId];
+                $parentExported = true;
+                foreach ($parents as $parentId) {
+                    if(!in_array($parentId, $sortedHosts)){
+                        $parentExported = false;
+                        break;
+                    }
+                }
+                if ($parentExported) {
+                    $sortedHosts[] = $hostId;
+                } else {
+                    array_unshift($hosts, $hostId);
+                }
+            }
+        }
+        $elementsIndexedById = array();
+        foreach ($elements as $element) {
+            $elementsIndexedById[$element['host_id']] = $element;
+        }
+        $elements = array();
+        foreach ($sortedHosts as $hostId) {
+            $elements[$hostId] = $elementsIndexedById[$hostId];
+        }
+        return $parentShip;
+    }
+
     /**
      * Export
      *
@@ -904,6 +955,8 @@ public function export($filters = null)
         $tpObj = new \Centreon_Object_Timeperiod($this->dependencyInjector);
         $macroObj = new \Centreon_Object_Host_Macro_Custom($this->dependencyInjector);
         $instanceRel = new \Centreon_Object_Relation_Instance_Host($this->dependencyInjector);
+        $parentShip = array();
+
         if ($this->register) {
             $instElements = $instanceRel->getMergedParameters(
                 array("name"),
@@ -966,6 +1019,20 @@ public function export($filters = null)
                         . $value . "\n";
                 }
             }
+
+            // Set parentship
+            if ($this->register == 1) {
+                $parentShip = $this->getHostListByParent($elements);
+            }
+            if (isset($parentShip[$element[$this->object->getPrimaryKey()]])) {
+                foreach ($parentShip[$element[$this->object->getPrimaryKey()]] as $parentId) {
+                    echo $this->action . $this->delim
+                        . "addparent" . $this->delim
+                        . $element[$this->object->getUniqueLabelField()] . $this->delim
+                        . $elements[$parentId][$this->object->getUniqueLabelField()] . "\n";
+                }
+            }
+
             $params = $extendedObj->getParameters(
                 $element[$this->object->getPrimaryKey()],
                 array(