Recur.php

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<?php
 
namespace Sabre\VObject\Property\ICalendar;
 
use Sabre\VObject\Property;
use Sabre\Xml;
 
class Recur extends Property {
 
    function setValue($value) {
 
        // If we're getting the data from json, we'll be receiving an object
        if ($value instanceof \StdClass) {
            $value = (array)$value;
        }
 
        if (is_array($value)) {
            $newVal = [];
            foreach ($value as $k => $v) {
 
                if (is_string($v)) {
                    $v = strtoupper($v);
 
                    // The value had multiple sub-values
                    if (strpos($v, ',') !== false) {
                        $v = explode(',', $v);
                    }
                    if (strcmp($k, 'until') === 0) {
                        $v = strtr($v, [':' => '', '-' => '']);
                    }
                } elseif (is_array($v)) {
                    $v = array_map('strtoupper', $v);
                }
 
                $newVal[strtoupper($k)] = $v;
            }
            $this->value = $newVal;
        } elseif (is_string($value)) {
            $this->value = self::stringToArray($value);
        } else {
            throw new \InvalidArgumentException('You must either pass a string, or a key=>value array');
        }
 
    }
 
    function getValue() {
 
        $out = [];
        foreach ($this->value as $key => $value) {
            $out[] = $key . '=' . (is_array($value) ? implode(',', $value) : $value);
        }
        return strtoupper(implode(';', $out));
 
    }
 
    function setParts(array $parts) {
 
        $this->setValue($parts);
 
    }
 
    function getParts() {
 
        return $this->value;
 
    }
 
    function setRawMimeDirValue($val) {
 
        $this->setValue($val);
 
    }
 
    function getRawMimeDirValue() {
 
        return $this->getValue();
 
    }
 
    function getValueType() {
 
        return 'RECUR';
 
    }
 
    function getJsonValue() {
 
        $values = [];
        foreach ($this->getParts() as $k => $v) {
            if (strcmp($k, 'UNTIL') === 0) {
                $date = new DateTime($this->root, null, $v);
                $values[strtolower($k)] = $date->getJsonValue()[0];
            } elseif (strcmp($k, 'COUNT') === 0) {
                $values[strtolower($k)] = intval($v);
            } else {
                $values[strtolower($k)] = $v;
            }
        }
        return [$values];
 
    }
 
    protected function xmlSerializeValue(Xml\Writer $writer) {
 
        $valueType = strtolower($this->getValueType());
 
        foreach ($this->getJsonValue() as $value) {
            $writer->writeElement($valueType, $value);
        }
 
    }
 
    static function stringToArray($value) {
 
        $value = strtoupper($value);
        $newValue = [];
        foreach (explode(';', $value) as $part) {
 
            // Skipping empty parts.
            if (empty($part)) {
                continue;
            }
            list($partName, $partValue) = explode('=', $part);
 
            // The value itself had multiple values..
            if (strpos($partValue, ',') !== false) {
                $partValue = explode(',', $partValue);
            }
            $newValue[$partName] = $partValue;
 
        }
 
        return $newValue;
    }
 
    function validate($options = 0) {
 
        $repair = ($options & self::REPAIR);
 
        $warnings = parent::validate($options);
        $values = $this->getParts();
 
        foreach ($values as $key => $value) {
 
            if ($value === '') {
                $warnings[] = [
                    'level'   => $repair ? 1 : 3,
                    'message' => 'Invalid value for ' . $key . ' in ' . $this->name,
                    'node'    => $this
                ];
                if ($repair) {
                    unset($values[$key]);
                }
            } elseif ($key == 'BYMONTH') {
                $byMonth = (array)$value;
                foreach ($byMonth as $i => $v) {
                    if (!is_numeric($v) || (int)$v < 1 || (int)$v > 12) {
                        $warnings[] = [
                            'level'   => $repair ? 1 : 3,
                            'message' => 'BYMONTH in RRULE must have value(s) between 1 and 12!',
                            'node'    => $this
                        ];
                        if ($repair) {
                            if (is_array($value)) {
                                unset($values[$key][$i]);
                            } else {
                                unset($values[$key]);
                            }
                        }
                    }
                }
                // if there is no valid entry left, remove the whole value
                if (is_array($value) && empty($values[$key])) {
                    unset($values[$key]);
                }
            } elseif ($key == 'BYWEEKNO') {
                $byWeekNo = (array)$value;
                foreach ($byWeekNo as $i => $v) {
                    if (!is_numeric($v) || (int)$v < -53 || (int)$v == 0 || (int)$v > 53) {
                        $warnings[] = [
                            'level'   => $repair ? 1 : 3,
                            'message' => 'BYWEEKNO in RRULE must have value(s) from -53 to -1, or 1 to 53!',
                            'node'    => $this
                        ];
                        if ($repair) {
                            if (is_array($value)) {
                                unset($values[$key][$i]);
                            } else {
                                unset($values[$key]);
                            }
                        }
                    }
                }
                // if there is no valid entry left, remove the whole value
                if (is_array($value) && empty($values[$key])) {
                    unset($values[$key]);
                }
            } elseif ($key == 'BYYEARDAY') {
                $byYearDay = (array)$value;
                foreach ($byYearDay as $i => $v) {
                    if (!is_numeric($v) || (int)$v < -366 || (int)$v == 0 || (int)$v > 366) {
                        $warnings[] = [
                            'level'   => $repair ? 1 : 3,
                            'message' => 'BYYEARDAY in RRULE must have value(s) from -366 to -1, or 1 to 366!',
                            'node'    => $this
                        ];
                        if ($repair) {
                            if (is_array($value)) {
                                unset($values[$key][$i]);
                            } else {
                                unset($values[$key]);
                            }
                        }
                    }
                }
                // if there is no valid entry left, remove the whole value
                if (is_array($value) && empty($values[$key])) {
                    unset($values[$key]);
                }
            }
 
        }
        if (!isset($values['FREQ'])) {
            $warnings[] = [
                'level'   => $repair ? 1 : 3,
                'message' => 'FREQ is required in ' . $this->name,
                'node'    => $this
            ];
            if ($repair) {
                $this->parent->remove($this);
            }
        }
        if ($repair) {
            $this->setValue($values);
        }
 
        return $warnings;
 
    }
 
}