创建版本

2021-02-22 12:17:00 +08:00
commit af555f49c3
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+<?php
+
+namespace Sabre\CalDAV\Notifications\Notification;
+
+use Sabre\DAV;
+use Sabre\CalDAV;
+
+/**
+ * SystemStatus notification
+ *
+ * This notification can be used to indicate to the user that the system is
+ * down.
+ *
+ * @copyright Copyright (C) 2007-2015 fruux GmbH (https://fruux.com/).
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class SystemStatus extends DAV\Property implements CalDAV\Notifications\INotificationType {
+
+    const TYPE_LOW = 1;
+    const TYPE_MEDIUM = 2;
+    const TYPE_HIGH = 3;
+
+    /**
+     * A unique id
+     *
+     * @var string
+     */
+    protected $id;
+
+    /**
+     * The type of alert. This should be one of the TYPE_ constants.
+     *
+     * @var int
+     */
+    protected $type;
+
+    /**
+     * A human-readable description of the problem.
+     *
+     * @var string
+     */
+    protected $description;
+
+    /**
+     * A url to a website with more information for the user.
+     *
+     * @var string
+     */
+    protected $href;
+
+    /**
+     * Notification Etag
+     *
+     * @var string
+     */
+    protected $etag;
+
+    /**
+     * Creates the notification.
+     *
+     * Some kind of unique id should be provided. This is used to generate a
+     * url.
+     *
+     * @param string $id
+     * @param string $etag
+     * @param int $type
+     * @param string $description
+     * @param string $href
+     */
+    public function __construct($id, $etag, $type = self::TYPE_HIGH, $description = null, $href = null) {
+
+        $this->id = $id;
+        $this->type = $type;
+        $this->description = $description;
+        $this->href = $href;
+        $this->etag = $etag;
+
+    }
+
+    /**
+     * Serializes the notification as a single property.
+     *
+     * You should usually just encode the single top-level element of the
+     * notification.
+     *
+     * @param DAV\Server $server
+     * @param \DOMElement $node
+     * @return void
+     */
+    public function serialize(DAV\Server $server, \DOMElement $node) {
+
+        switch($this->type) {
+            case self::TYPE_LOW :
+                $type = 'low';
+                break;
+            case self::TYPE_MEDIUM :
+                $type = 'medium';
+                break;
+            default :
+            case self::TYPE_HIGH :
+                $type = 'high';
+                break;
+        }
+
+        $prop = $node->ownerDocument->createElement('cs:systemstatus');
+        $prop->setAttribute('type', $type);
+
+        $node->appendChild($prop);
+
+    }
+
+    /**
+     * This method serializes the entire notification, as it is used in the
+     * response body.
+     *
+     * @param DAV\Server $server
+     * @param \DOMElement $node
+     * @return void
+     */
+    public function serializeBody(DAV\Server $server, \DOMElement $node) {
+
+        switch($this->type) {
+            case self::TYPE_LOW :
+                $type = 'low';
+                break;
+            case self::TYPE_MEDIUM :
+                $type = 'medium';
+                break;
+            default :
+            case self::TYPE_HIGH :
+                $type = 'high';
+                break;
+        }
+
+        $prop = $node->ownerDocument->createElement('cs:systemstatus');
+        $prop->setAttribute('type', $type);
+
+        if ($this->description) {
+            $text = $node->ownerDocument->createTextNode($this->description);
+            $desc = $node->ownerDocument->createElement('cs:description');
+            $desc->appendChild($text);
+            $prop->appendChild($desc);
+        }
+        if ($this->href) {
+            $text = $node->ownerDocument->createTextNode($this->href);
+            $href = $node->ownerDocument->createElement('d:href');
+            $href->appendChild($text);
+            $prop->appendChild($href);
+        }
+
+        $node->appendChild($prop);
+
+    }
+
+    /**
+     * Returns a unique id for this notification
+     *
+     * This is just the base url. This should generally be some kind of unique
+     * id.
+     *
+     * @return string
+     */
+    public function getId() {
+
+        return $this->id;
+
+    }
+
+    /*
+     * Returns the ETag for this notification.
+     *
+     * The ETag must be surrounded by literal double-quotes.
+     *
+     * @return string
+     */
+    public function getETag() {
+
+        return $this->etag;
+
+    }
+}