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authorredmatrix <git@macgirvin.com>2016-05-10 17:26:44 -0700
committerredmatrix <git@macgirvin.com>2016-05-10 17:26:44 -0700
commit0b02a6d123b2014705998c94ddf3d460948d3eac (patch)
tree78ff2cab9944a4f5ab3f80ec93cbe1120de90bb2 /vendor/sabre/vobject/lib/Component/VFreeBusy.php
parent40b5b6e9d2da7ab65c8b4d38cdceac83a4d78deb (diff)
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initial sabre upgrade (needs lots of work - to wit: authentication, redo the browser interface, and rework event export/import)
Diffstat (limited to 'vendor/sabre/vobject/lib/Component/VFreeBusy.php')
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diff --git a/vendor/sabre/vobject/lib/Component/VFreeBusy.php b/vendor/sabre/vobject/lib/Component/VFreeBusy.php
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+<?php
+
+namespace Sabre\VObject\Component;
+
+use DateTimeInterface;
+use Sabre\VObject;
+
+/**
+ * The VFreeBusy component.
+ *
+ * This component adds functionality to a component, specific for VFREEBUSY
+ * components.
+ *
+ * @copyright Copyright (C) fruux GmbH (https://fruux.com/)
+ * @author Evert Pot (http://evertpot.com/)
+ * @license http://sabre.io/license/ Modified BSD License
+ */
+class VFreeBusy extends VObject\Component {
+
+ /**
+ * Checks based on the contained FREEBUSY information, if a timeslot is
+ * available.
+ *
+ * @param DateTimeInterface $start
+ * @param DateTimeInterface $end
+ *
+ * @return bool
+ */
+ function isFree(DateTimeInterface $start, DatetimeInterface $end) {
+
+ foreach ($this->select('FREEBUSY') as $freebusy) {
+
+ // We are only interested in FBTYPE=BUSY (the default),
+ // FBTYPE=BUSY-TENTATIVE or FBTYPE=BUSY-UNAVAILABLE.
+ if (isset($freebusy['FBTYPE']) && strtoupper(substr((string)$freebusy['FBTYPE'], 0, 4)) !== 'BUSY') {
+ continue;
+ }
+
+ // The freebusy component can hold more than 1 value, separated by
+ // commas.
+ $periods = explode(',', (string)$freebusy);
+
+ foreach ($periods as $period) {
+ // Every period is formatted as [start]/[end]. The start is an
+ // absolute UTC time, the end may be an absolute UTC time, or
+ // duration (relative) value.
+ list($busyStart, $busyEnd) = explode('/', $period);
+
+ $busyStart = VObject\DateTimeParser::parse($busyStart);
+ $busyEnd = VObject\DateTimeParser::parse($busyEnd);
+ if ($busyEnd instanceof \DateInterval) {
+ $busyEnd = $busyStart->add($busyEnd);
+ }
+
+ if ($start < $busyEnd && $end > $busyStart) {
+ return false;
+ }
+
+ }
+
+ }
+
+ return true;
+
+ }
+
+ /**
+ * 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() {
+
+ return [
+ 'UID' => 1,
+ 'DTSTAMP' => 1,
+
+ 'CONTACT' => '?',
+ 'DTSTART' => '?',
+ 'DTEND' => '?',
+ 'ORGANIZER' => '?',
+ 'URL' => '?',
+
+ 'ATTENDEE' => '*',
+ 'COMMENT' => '*',
+ 'FREEBUSY' => '*',
+ 'REQUEST-STATUS' => '*',
+ ];
+
+ }
+
+}