From a0901c4b7f2db488cb4fb3be2dd921a0308f4659 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 28 Apr 2024 14:36:40 +0200
Subject: Adding upstream version 1.0.2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 .../Hook/ExtensionHook/BaseExtensionHook.php       | 146 +++++++++++++++++++++
 1 file changed, 146 insertions(+)
 create mode 100644 library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php

(limited to 'library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php')

diff --git a/library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php b/library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php
new file mode 100644
index 0000000..dfefdcd
--- /dev/null
+++ b/library/Icingadb/Hook/ExtensionHook/BaseExtensionHook.php
@@ -0,0 +1,146 @@
+<?php
+
+/* Icinga DB Web | (c) 2021 Icinga GmbH | GPLv2 */
+
+namespace Icinga\Module\Icingadb\Hook\ExtensionHook;
+
+use Icinga\Module\Icingadb\Hook\Common\HookUtils;
+
+abstract class BaseExtensionHook
+{
+    use HookUtils;
+
+    /** @var int Used as default return value for {@see BaseExtensionHook::getLocation()} */
+    const IDENTIFY_LOCATION_BY_SECTION = -1;
+
+    /** @var string Output section, right at the top */
+    const OUTPUT_SECTION = 'output';
+
+    /** @var string Graph section, below output */
+    const GRAPH_SECTION = 'graph';
+
+    /** @var string Detail section, below graphs */
+    const DETAIL_SECTION = 'detail';
+
+    /** @var string Action section, below action and note urls */
+    const ACTION_SECTION = 'action';
+
+    /** @var string Problem section, below comments and downtimes */
+    const PROBLEM_SECTION = 'problem';
+
+    /** @var string Related section, below groups and notification recipients */
+    const RELATED_SECTION = 'related';
+
+    /** @var string State section, below check statistics and performance data */
+    const STATE_SECTION = 'state';
+
+    /** @var string Config section, below custom variables and feature toggles */
+    const CONFIG_SECTION = 'config';
+
+    /**
+     * Base locations for all known sections
+     *
+     * @var array<string, int>
+     */
+    const BASE_LOCATIONS = [
+        self::OUTPUT_SECTION    => 1000,
+        self::GRAPH_SECTION     => 1100,
+        self::DETAIL_SECTION    => 1200,
+        self::ACTION_SECTION    => 1300,
+        self::PROBLEM_SECTION   => 1400,
+        self::RELATED_SECTION   => 1500,
+        self::STATE_SECTION     => 1600,
+        self::CONFIG_SECTION    => 1700
+    ];
+
+    /** @var int This hook's location */
+    private $location = self::IDENTIFY_LOCATION_BY_SECTION;
+
+    /** @var string This hook's section */
+    private $section = self::DETAIL_SECTION;
+
+    /**
+     * Set this hook's location
+     *
+     * Note that setting the location explicitly may override other widgets using the same location. But beware that
+     * this applies to this hook's widget as well.
+     *
+     * Also, while the sections are guaranteed to always refer to the same general location, this guarantee is lost
+     * when setting a location explicitly. The core and base locations may change at any time and any explicitly set
+     * location will **not** adjust accordingly.
+     *
+     * @param int $location
+     *
+     * @return void
+     */
+    final public function setLocation(int $location)
+    {
+        $this->location = $location;
+    }
+
+    /**
+     * Get this hook's location
+     *
+     * @return int
+     */
+    final public function getLocation(): int
+    {
+        return $this->location;
+    }
+
+    /**
+     * Set this hook's section
+     *
+     * Sections are used to place widgets loosely in a general location. Using e.g. the `state` section this hook's
+     * widget will always appear after the check statistics and performance data widgets.
+     *
+     * @param string $section
+     *
+     * @return void
+     */
+    final public function setSection(string $section)
+    {
+        $this->section = $section;
+    }
+
+    /**
+     * Get this hook's section
+     *
+     * @return string
+     */
+    final public function getSection(): string
+    {
+        return $this->section;
+    }
+
+    /**
+     * Union both arrays and sort the result by key
+     *
+     * @param array $coreElements
+     * @param array $extensions
+     *
+     * @return array
+     */
+    final public static function injectExtensions(array $coreElements, array $extensions): array
+    {
+        $extensions += $coreElements;
+
+        uksort($extensions, function ($a, $b) {
+            if ($a < 1000 && $b >= 1000) {
+                $b -= 1000;
+                if (abs($a - $b) < 10 && abs($a % 100 - $b % 100) < 10) {
+                    return -1;
+                }
+            } elseif ($b < 1000 && $a >= 1000) {
+                $a -= 1000;
+                if (abs($a - $b) < 10 && abs($a % 100 - $b % 100) < 10) {
+                    return 1;
+                }
+            }
+
+            return $a < $b ? -1 : ($a > $b ? 1 : 0);
+        });
+
+        return $extensions;
+    }
+}
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