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comparison plugins/libcalendaring/lib/Sabre/VObject/Component/VAlarm.php @ 4:888e774ee983

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libcalendar plugin as distributed
author Charlie Root
date Sat, 13 Jan 2018 08:57:56 -0500
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3:f6fe4b6ae66a 4:888e774ee983
1 <?php
2
3 namespace Sabre\VObject\Component;
4 use Sabre\VObject;
5
6 /**
7 * VAlarm component
8 *
9 * This component contains some additional functionality specific for VALARMs.
10 *
11 * @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
12 * @author Evert Pot (http://evertpot.com/)
13 * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
14 */
15 class VAlarm extends VObject\Component {
16
17 /**
18 * Returns a DateTime object when this alarm is going to trigger.
19 *
20 * This ignores repeated alarm, only the first trigger is returned.
21 *
22 * @return DateTime
23 */
24 public function getEffectiveTriggerTime() {
25
26 $trigger = $this->TRIGGER;
27 if(!isset($trigger['VALUE']) || strtoupper($trigger['VALUE']) === 'DURATION') {
28 $triggerDuration = VObject\DateTimeParser::parseDuration($this->TRIGGER);
29 $related = (isset($trigger['RELATED']) && strtoupper($trigger['RELATED']) == 'END') ? 'END' : 'START';
30
31 $parentComponent = $this->parent;
32 if ($related === 'START') {
33
34 if ($parentComponent->name === 'VTODO') {
35 $propName = 'DUE';
36 } else {
37 $propName = 'DTSTART';
38 }
39
40 $effectiveTrigger = clone $parentComponent->$propName->getDateTime();
41 $effectiveTrigger->add($triggerDuration);
42 } else {
43 if ($parentComponent->name === 'VTODO') {
44 $endProp = 'DUE';
45 } elseif ($parentComponent->name === 'VEVENT') {
46 $endProp = 'DTEND';
47 } else {
48 throw new \LogicException('time-range filters on VALARM components are only supported when they are a child of VTODO or VEVENT');
49 }
50
51 if (isset($parentComponent->$endProp)) {
52 $effectiveTrigger = clone $parentComponent->$endProp->getDateTime();
53 $effectiveTrigger->add($triggerDuration);
54 } elseif (isset($parentComponent->DURATION)) {
55 $effectiveTrigger = clone $parentComponent->DTSTART->getDateTime();
56 $duration = VObject\DateTimeParser::parseDuration($parentComponent->DURATION);
57 $effectiveTrigger->add($duration);
58 $effectiveTrigger->add($triggerDuration);
59 } else {
60 $effectiveTrigger = clone $parentComponent->DTSTART->getDateTime();
61 $effectiveTrigger->add($triggerDuration);
62 }
63 }
64 } else {
65 $effectiveTrigger = $trigger->getDateTime();
66 }
67 return $effectiveTrigger;
68
69 }
70
71 /**
72 * Returns true or false depending on if the event falls in the specified
73 * time-range. This is used for filtering purposes.
74 *
75 * The rules used to determine if an event falls within the specified
76 * time-range is based on the CalDAV specification.
77 *
78 * @param \DateTime $start
79 * @param \DateTime $end
80 * @return bool
81 */
82 public function isInTimeRange(\DateTime $start, \DateTime $end) {
83
84 $effectiveTrigger = $this->getEffectiveTriggerTime();
85
86 if (isset($this->DURATION)) {
87 $duration = VObject\DateTimeParser::parseDuration($this->DURATION);
88 $repeat = (string)$this->repeat;
89 if (!$repeat) {
90 $repeat = 1;
91 }
92
93 $period = new \DatePeriod($effectiveTrigger, $duration, (int)$repeat);
94
95 foreach($period as $occurrence) {
96
97 if ($start <= $occurrence && $end > $occurrence) {
98 return true;
99 }
100 }
101 return false;
102 } else {
103 return ($start <= $effectiveTrigger && $end > $effectiveTrigger);
104 }
105
106 }
107
108 }