Adding upstream version 2.5.0.upstream/2.5.0upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 125 insertions, 0 deletions

diff --git a/library/Businessprocess/Modification/NodeRemoveAction.php b/library/Businessprocess/Modification/NodeRemoveAction.php
new file mode 100644
index 0000000..6100146
--- /dev/null
+++ b/library/Businessprocess/Modification/NodeRemoveAction.php
@@ -0,0 +1,125 @@
+<?php
+
+namespace Icinga\Module\Businessprocess\Modification;
+
+use Icinga\Module\Businessprocess\BpConfig;
+use Icinga\Module\Businessprocess\BpNode;
+use Icinga\Module\Businessprocess\Node;
+
+/**
+ * NodeRemoveAction
+ *
+ * Tracks removed nodes
+ *
+ * @package Icinga\Module\Businessprocess
+ */
+class NodeRemoveAction extends NodeAction
+{
+    protected $preserveProperties = array('parentName');
+
+    protected $parentName;
+
+    /**
+     * @param $parentName
+     * @return $this
+     */
+    public function setParentName($parentName = null)
+    {
+        $this->parentName = $parentName;
+        return $this;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getParentName()
+    {
+        return $this->parentName;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function appliesTo(BpConfig $config)
+    {
+        $name = $this->getNodeName();
+        $parent = $this->getParentName();
+        if ($parent === null) {
+            if (!$config->hasNode($name)) {
+                $this->error('Toplevel process "%s" not found', $name);
+            }
+        } else {
+            if (! $config->hasNode($parent)) {
+                $this->error('Parent process "%s" missing', $parent);
+            } elseif (! $config->getBpNode($parent)->hasChild($name)) {
+                $this->error('Node "%s" not found in process "%s"', $name, $parent);
+            }
+        }
+
+        return true;
+    }
+
+    /**
+     * @inheritdoc
+     */
+    public function applyTo(BpConfig $config)
+    {
+        $name = $this->getNodeName();
+        $parentName = $this->getParentName();
+        $node = $config->getNode($name);
+
+        /** @var ?BpNode $parentBpNode */
+        $parentBpNode = $parentName ? $config->getNode($parentName) : null;
+        $this->updateStateOverrides($node, $parentBpNode);
+
+        if ($parentName === null) {
+            if (! $config->hasBpNode($name)) {
+                $config->removeNode($name);
+            } else {
+                $oldDisplay = $config->getBpNode($name)->getDisplay();
+                $config->removeNode($name);
+                if ($config->getMetadata()->isManuallyOrdered()) {
+                    foreach ($config->getRootNodes() as $_ => $node) {
+                        $nodeDisplay = $node->getDisplay();
+                        if ($nodeDisplay > $oldDisplay) {
+                            $node->setDisplay($node->getDisplay() - 1);
+                        } elseif ($nodeDisplay === $oldDisplay) {
+                            break;  // Stop immediately to not make things worse ;)
+                        }
+                    }
+                }
+            }
+        } else {
+            $parent = $config->getBpNode($parentName);
+            $parent->removeChild($name);
+            $node->removeParent($parentName);
+            if (! $node->hasParents()) {
+                $config->removeNode($name);
+            }
+        }
+    }
+
+    /**
+     * Update state overrides
+     *
+     * @param Node $node
+     * @param BpNode|null $nodeParent
+     *
+     * @return void
+     */
+    private function updateStateOverrides(Node $node, ?BpNode $nodeParent): void
+    {
+        $parents = [];
+        if ($nodeParent !== null) {
+            $parents = [$nodeParent];
+        } else {
+            $parents = $node->getParents();
+        }
+
+        foreach ($parents as $parent) {
+            $parentStateOverrides = $parent->getStateOverrides();
+            unset($parentStateOverrides[$node->getName()]);
+            $parent->setStateOverrides($parentStateOverrides);
+        }
+    }
+}