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<?php
namespace Sabre\VObject\Property\ICalendar;
use Sabre\VObject\Property;
use Sabre\Xml;
/**
* Recur property.
*
* This object represents RECUR properties.
* These values are just used for RRULE and the now deprecated EXRULE.
*
* The RRULE property may look something like this:
*
* RRULE:FREQ=MONTHLY;BYDAY=1,2,3;BYHOUR=5.
*
* This property exposes this as a key=>value array that is accessible using
* getParts, and may be set using setParts.
*
* @copyright Copyright (C) fruux GmbH (https://fruux.com/)
* @author Evert Pot (http://evertpot.com/)
* @license http://sabre.io/license/ Modified BSD License
*/
class Recur extends Property {
/**
* Updates the current value.
*
* This may be either a single, or multiple strings in an array.
*
* @param string|array $value
*
* @return void
*/
function setValue($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');
}
}
/**
* Returns the current value.
*
* This method will always return a singular value. If this was a
* multi-value object, some decision will be made first on how to represent
* it as a string.
*
* To get the correct multi-value version, use getParts.
*
* @return string
*/
function getValue() {
$out = [];
foreach ($this->value as $key => $value) {
$out[] = $key . '=' . (is_array($value) ? implode(',', $value) : $value);
}
return strtoupper(implode(';', $out));
}
/**
* Sets a multi-valued property.
*
* @param array $parts
* @return void
*/
function setParts(array $parts) {
$this->setValue($parts);
}
/**
* Returns a multi-valued property.
*
* This method always returns an array, if there was only a single value,
* it will still be wrapped in an array.
*
* @return array
*/
function getParts() {
return $this->value;
}
/**
* Sets a raw value coming from a mimedir (iCalendar/vCard) file.
*
* This has been 'unfolded', so only 1 line will be passed. Unescaping is
* not yet done, but parameters are not included.
*
* @param string $val
*
* @return void
*/
function setRawMimeDirValue($val) {
$this->setValue($val);
}
/**
* Returns a raw mime-dir representation of the value.
*
* @return string
*/
function getRawMimeDirValue() {
return $this->getValue();
}
/**
* Returns the type of value.
*
* This corresponds to the VALUE= parameter. Every property also has a
* 'default' valueType.
*
* @return string
*/
function getValueType() {
return 'RECUR';
}
/**
* Returns the value, in the format it should be encoded for json.
*
* This method must always return an array.
*
* @return array
*/
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];
}
/**
* This method serializes only the value of a property. This is used to
* create xCard or xCal documents.
*
* @param Xml\Writer $writer XML writer.
*
* @return void
*/
protected function xmlSerializeValue(Xml\Writer $writer) {
$valueType = strtolower($this->getValueType());
foreach ($this->getJsonValue() as $value) {
$writer->writeElement($valueType, $value);
}
}
/**
* Parses an RRULE value string, and turns it into a struct-ish array.
*
* @param string $value
*
* @return array
*/
static function stringToArray($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;
}
/**
* Validates the node for correctness.
*
* The following options are supported:
* Node::REPAIR - May attempt to automatically repair the problem.
*
* This method returns an array with detected problems.
* Every element has the following properties:
*
* * level - problem level.
* * message - A human-readable string describing the issue.
* * node - A reference to the problematic node.
*
* The level means:
* 1 - The issue was repaired (only happens if REPAIR was turned on)
* 2 - An inconsequential issue
* 3 - A severe issue.
*
* @param int $options
*
* @return array
*/
function validate($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 (!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;
}
}
|
