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1 <?php
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2
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3 namespace Sabre\VObject\Component;
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4 use Sabre\VObject;
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5
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6 /**
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7 * VEvent component
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8 *
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9 * This component contains some additional functionality specific for VEVENT's.
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10 *
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11 * @copyright Copyright (C) 2007-2013 fruux GmbH (https://fruux.com/).
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12 * @author Evert Pot (http://evertpot.com/)
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13 * @license http://code.google.com/p/sabredav/wiki/License Modified BSD License
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14 */
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15 class VEvent extends VObject\Component {
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16
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17 /**
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18 * Returns true or false depending on if the event falls in the specified
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19 * time-range. This is used for filtering purposes.
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20 *
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21 * The rules used to determine if an event falls within the specified
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22 * time-range is based on the CalDAV specification.
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23 *
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24 * @param \DateTime $start
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25 * @param \DateTime $end
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26 * @return bool
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27 */
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28 public function isInTimeRange(\DateTime $start, \DateTime $end) {
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29
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30 if ($this->RRULE) {
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31 $it = new VObject\RecurrenceIterator($this);
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32 $it->fastForward($start);
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33
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34 // We fast-forwarded to a spot where the end-time of the
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35 // recurrence instance exceeded the start of the requested
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36 // time-range.
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37 //
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38 // If the starttime of the recurrence did not exceed the
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39 // end of the time range as well, we have a match.
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40 return ($it->getDTStart() < $end && $it->getDTEnd() > $start);
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41
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42 }
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43
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44 $effectiveStart = $this->DTSTART->getDateTime();
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45 if (isset($this->DTEND)) {
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46
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47 // The DTEND property is considered non inclusive. So for a 3 day
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48 // event in july, dtstart and dtend would have to be July 1st and
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49 // July 4th respectively.
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50 //
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51 // See:
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52 // http://tools.ietf.org/html/rfc5545#page-54
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53 $effectiveEnd = $this->DTEND->getDateTime();
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54
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55 } elseif (isset($this->DURATION)) {
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56 $effectiveEnd = clone $effectiveStart;
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57 $effectiveEnd->add( VObject\DateTimeParser::parseDuration($this->DURATION) );
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58 } elseif ($this->DTSTART->getDateType() == VObject\Property\DateTime::DATE) {
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59 $effectiveEnd = clone $effectiveStart;
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60 $effectiveEnd->modify('+1 day');
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61 } else {
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62 $effectiveEnd = clone $effectiveStart;
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63 }
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64 return (
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65 ($start <= $effectiveEnd) && ($end > $effectiveStart)
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66 );
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67
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68 }
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69
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70 }
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