content/SVEvent.php5

<?php
class SVEvent {
    const FREQ_NONE = 'NONE';
    const FREQ_YEAR = 'YEARLY';
    const FREQ_MONTH = 'MONTHLY';
    const FREQ_WEEK = 'WEEKLY';
    const FREQ_DAY = 'DAILY';
    
    public $startDate = '00000000';
    public $startTime = '000000';
    public $endDate = '00000000';
    public $endTime = '000000';
    
    public $allDay = false;
    public $frequency = '';
    public $endRepeat = '';
    
    public $description;
    public $summary;
    public $uid;
    public $sequence;
    
    public function setStartDate($date) {
        $date = str_replace('-', '', $date);
        $this->startDate = $date;
    }

    public function setEndDate($date) {
        $date = str_replace('-', '', $date);
        $this->endDate = $date;
    }
    
    public function setAllDay($allDay) {
        $this->allDay = $allDay;
    }
    
    public function setRepeat($frequency, $endRepeat='') {
        // REVIEW: Do we really want to only update if $frequency is not blank? What if we want
        // to wipe out a previously set frequency and set the object back to repeat none?
        if ($frequency != '' && $frequency != self::FREQ_NONE) {
            $this->frequency = $frequency;
            if ($endRepeat != '') {
                $this->endRepeat = "UNTIL=".str_replace('-', '', $endRepeat);
            }
        }
    }
    
    public function render() {
        $description = ($this->description == '') ? '' : '
DESCRIPTION: ' . $this->description;
        $dtstamp = date('Ymd').'T'.date('His');
        if (!$this->allDay) {
            $dtstart =  'TZID=US/Eastern:' . $this->startDate . 'T' . $this->startTime;
            $dtend =    'TZID=US/Eastern:' . $this->endDate . 'T' . $this->endTime;
        } else {
            $dtstart =  'VALUE=DATE:' . $this->startDate;
            $dtend =    'VALUE=DATE:' . $this->endDate;
        }
        $recurrence = '';
        if ($this->frequency != '') {
            $recurrence = "RRULE:FREQ=$this->frequency;";
            if ($this->frequency == self::FREQ_MONTH) {
                $recurrence.='BYMONTHDAY='.substr($this->startDate, 6, 2).';';
            }
            $recurrence.=$this->endRepeat;
        }       
        $return = <<<END

BEGIN:VEVENT
SEQUENCE:0
DTSTART;$dtstart
DTEND;$dtend
SUMMARY:$this->summary$description
UID:$this->uid
DTSTAMP:$dtstamp
$recurrence
END:VEVENT
END;
        return $return;
    }
}
?>

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