From 0b02a6d123b2014705998c94ddf3d460948d3eac Mon Sep 17 00:00:00 2001
From: redmatrix <git@macgirvin.com>
Date: Tue, 10 May 2016 17:26:44 -0700
Subject: initial sabre upgrade (needs lots of work - to wit: authentication,
 redo the browser interface, and rework event export/import)

---
 vendor/sabre/vobject/lib/Component/VEvent.php | 153 ++++++++++++++++++++++++++
 1 file changed, 153 insertions(+)
 create mode 100644 vendor/sabre/vobject/lib/Component/VEvent.php

(limited to 'vendor/sabre/vobject/lib/Component/VEvent.php')

diff --git a/vendor/sabre/vobject/lib/Component/VEvent.php b/vendor/sabre/vobject/lib/Component/VEvent.php
new file mode 100644
index 000000000..7f6861190
--- /dev/null
+++ b/vendor/sabre/vobject/lib/Component/VEvent.php
@@ -0,0 +1,153 @@
+<?php
+
+namespace Sabre\VObject\Component;
+
+use DateTimeInterface;
+use Sabre\VObject;
+use Sabre\VObject\Recur\EventIterator;
+use Sabre\VObject\Recur\NoInstancesException;
+
+/**
+ * VEvent component.
+ *
+ * This component contains some additional functionality specific for VEVENT's.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class VEvent extends VObject\Component {
+
+    /**
+     * Returns true or false depending on if the event falls in the specified
+     * time-range. This is used for filtering purposes.
+     *
+     * The rules used to determine if an event falls within the specified
+     * time-range is based on the CalDAV specification.
+     *
+     * @param DateTimeInterface $start
+     * @param DateTimeInterface $end
+     *
+     * @return bool
+     */
+    function isInTimeRange(DateTimeInterface $start, DateTimeInterface $end) {
+
+        if ($this->RRULE) {
+
+            try {
+
+                $it = new EventIterator($this, null, $start->getTimezone());
+
+            } catch (NoInstancesException $e) {
+
+                // If we've catched this exception, there are no instances
+                // for the event that fall into the specified time-range.
+                return false;
+
+            }
+
+            $it->fastForward($start);
+
+            // We fast-forwarded to a spot where the end-time of the
+            // recurrence instance exceeded the start of the requested
+            // time-range.
+            //
+            // If the starttime of the recurrence did not exceed the
+            // end of the time range as well, we have a match.
+            return ($it->getDTStart() < $end && $it->getDTEnd() > $start);
+
+        }
+
+        $effectiveStart = $this->DTSTART->getDateTime($start->getTimezone());
+        if (isset($this->DTEND)) {
+
+            // The DTEND property is considered non inclusive. So for a 3 day
+            // event in july, dtstart and dtend would have to be July 1st and
+            // July 4th respectively.
+            //
+            // See:
+            // http://tools.ietf.org/html/rfc5545#page-54
+            $effectiveEnd = $this->DTEND->getDateTime($end->getTimezone());
+
+        } elseif (isset($this->DURATION)) {
+            $effectiveEnd = $effectiveStart->add(VObject\DateTimeParser::parseDuration($this->DURATION));
+        } elseif (!$this->DTSTART->hasTime()) {
+            $effectiveEnd = $effectiveStart->modify('+1 day');
+        } else {
+            $effectiveEnd = $effectiveStart;
+        }
+        return (
+            ($start < $effectiveEnd) && ($end > $effectiveStart)
+        );
+
+    }
+
+    /**
+     * This method should return a list of default property values.
+     *
+     * @return array
+     */
+    protected function getDefaults() {
+
+        return [
+            'UID'     => 'sabre-vobject-' . VObject\UUIDUtil::getUUID(),
+            'DTSTAMP' => date('Ymd\\THis\\Z'),
+        ];
+
+    }
+
+    /**
+     * A simple list of validation rules.
+     *
+     * This is simply a list of properties, and how many times they either
+     * must or must not appear.
+     *
+     * Possible values per property:
+     *   * 0 - Must not appear.
+     *   * 1 - Must appear exactly once.
+     *   * + - Must appear at least once.
+     *   * * - Can appear any number of times.
+     *   * ? - May appear, but not more than once.
+     *
+     * @var array
+     */
+    function getValidationRules() {
+
+        $hasMethod = isset($this->parent->METHOD);
+        return [
+            'UID'           => 1,
+            'DTSTAMP'       => 1,
+            'DTSTART'       => $hasMethod ? '?' : '1',
+            'CLASS'         => '?',
+            'CREATED'       => '?',
+            'DESCRIPTION'   => '?',
+            'GEO'           => '?',
+            'LAST-MODIFIED' => '?',
+            'LOCATION'      => '?',
+            'ORGANIZER'     => '?',
+            'PRIORITY'      => '?',
+            'SEQUENCE'      => '?',
+            'STATUS'        => '?',
+            'SUMMARY'       => '?',
+            'TRANSP'        => '?',
+            'URL'           => '?',
+            'RECURRENCE-ID' => '?',
+            'RRULE'         => '?',
+            'DTEND'         => '?',
+            'DURATION'      => '?',
+
+            'ATTACH'         => '*',
+            'ATTENDEE'       => '*',
+            'CATEGORIES'     => '*',
+            'COMMENT'        => '*',
+            'CONTACT'        => '*',
+            'EXDATE'         => '*',
+            'REQUEST-STATUS' => '*',
+            'RELATED-TO'     => '*',
+            'RESOURCES'      => '*',
+            'RDATE'          => '*',
+        ];
+
+    }
+
+}
-- 
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