PropertyModifierGetPropertyFromOtherImportSource

fixes #1947

library/Director/PropertyModifier/PropertyModifierGetPropertyFromOtherImportSource.php

@@ -0,0 +1,112 @@
+<?php
+
+namespace Icinga\Module\Director\PropertyModifier;
+
+use Icinga\Module\Director\Forms\ImportRowModifierForm;
+use Icinga\Module\Director\Hook\PropertyModifierHook;
+use Icinga\Module\Director\Objects\ImportRowModifier;
+use Icinga\Module\Director\Objects\ImportSource;
+use Icinga\Module\Director\Web\Form\DirectorObjectForm;
+use Icinga\Module\Director\Web\Form\QuickForm;
+
+class PropertyModifierGetPropertyFromOtherImportSource extends PropertyModifierHook
+{
+    protected $importSource;
+
+    private $importedData;
+
+    public function getName()
+    {
+        return 'Get a property from another Import Source';
+    }
+
+    /**
+     * @inheritdoc
+     * @throws \Zend_Form_Exception
+     */
+    public static function addSettingsFormFields(QuickForm $form)
+    {
+        if (! $form instanceof DirectorObjectForm) {
+            throw new \RuntimeException('This property modifier works only with a DirectorObjectForm');
+        }
+        $db = $form->getDb();
+        $form->addElement('select', 'import_source_id', [
+            'label'       => $form->translate('Import Source'),
+            'description' => $form->translate(
+                'Another Import Source. We\'re going to look up the row with the'
+                . ' key matching the value in the chosen column'
+            ),
+            'required'    => true,
+            'multiOptions' => $form->optionalEnum($db->enumImportSource()),
+            'class' => 'autosubmit',
+        ]);
+
+        if ($form->hasBeenSent()) {
+            $sourceId = $form->getSentValue('import_source_id');
+        } else {
+            $object = $form->getObject();
+            if ($object instanceof ImportRowModifier) {
+                $sourceId = $object->getSetting('import_source_id');
+            } else {
+                $sourceId = null;
+            }
+        }
+        $extra = [];
+        if ($sourceId) {
+            $extra = [
+                'class' => 'director-suggest',
+                'data-suggestion-context' => 'importsourceproperties!' . (int) $sourceId,
+            ];
+        }
+        $form->addElement('text', 'foreign_property', [
+            'label'       => $form->translate('Property'),
+            'required'    => true,
+            'description' => $form->translate(
+                'The property to get from the row we found in the chosen Import Source'
+            ),
+        ] + $extra);
+    }
+
+    public function transform($value)
+    {
+        $data = $this->getImportedData();
+
+        if (isset($data[$value])) {
+            return $data[$value]->{$this->getSetting('foreign_property')};
+        } else {
+            return null;
+        }
+    }
+
+    public function exportSettings()
+    {
+        $settings = parent::exportSettings();
+        $settings->import_source = $this->getImportSource()->getObjectName();
+        unset($settings->import_source_id);
+
+        return $settings;
+    }
+
+    protected function & getImportedData()
+    {
+        if ($this->importedData === null) {
+            $this->importedData = $this->getImportSource()
+                ->fetchLastRun(true)
+                ->fetchRows([$this->getSetting('foreign_property')]);
+        }
+
+        return $this->importedData;
+    }
+
+    protected function getImportSource()
+    {
+        if ($this->importSource === null) {
+            $this->importSource = ImportSource::loadWithAutoIncId(
+                $this->getSetting('import_source_id'),
+                $this->getDb()
+            );
+        }
+
+        return $this->importSource;
+    }
+}

register-hooks.php

@@ -25,6 +25,7 @@ use Icinga\Module\Director\PropertyModifier\PropertyModifierExtractFromDN;
 use Icinga\Module\Director\PropertyModifier\PropertyModifierFromAdSid;
 use Icinga\Module\Director\PropertyModifier\PropertyModifierFromLatin1;
 use Icinga\Module\Director\PropertyModifier\PropertyModifierGetHostByName;
+use Icinga\Module\Director\PropertyModifier\PropertyModifierGetPropertyFromOtherImportSource;
 use Icinga\Module\Director\PropertyModifier\PropertyModifierJoin;
 use Icinga\Module\Director\PropertyModifier\PropertyModifierJsonDecode;
 use Icinga\Module\Director\PropertyModifier\PropertyModifierLConfCustomVar;
@@ -83,6 +84,7 @@ $directorHooks = [
         PropertyModifierFromAdSid::class,
         PropertyModifierFromLatin1::class,
         PropertyModifierGetHostByName::class,
+        PropertyModifierGetPropertyFromOtherImportSource::class,
         PropertyModifierJoin::class,
         PropertyModifierJsonDecode::class,
         PropertyModifierLConfCustomVar::class,