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add optional datetime range filter when parsing large calendar files #474

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add optional datetime range filter when parsing large calendar files #474

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e5a1a2a
add optional datetime range filter when parsing calendar files
8633brown Oct 14, 2019
9637f9c
remove DateTime params from parse method
8633brown Oct 14, 2019
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36 changes: 36 additions & 0 deletions lib/Parser/MimeDir.php
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Original file line number Diff line number Diff line change
Expand Up @@ -2,6 +2,7 @@

namespace Sabre\VObject\Parser;

use DateTimeInterface;
use Sabre\VObject\Component;
use Sabre\VObject\Component\VCalendar;
use Sabre\VObject\Component\VCard;
Expand Down Expand Up @@ -39,6 +40,20 @@ class MimeDir extends Parser
*/
protected $root;

/**
* Start of range.
*
* @var DateTimeInterface|null
*/
protected $start;

/**
* End of range.
*
* @var DateTimeInterface|null
*/
protected $end;

/**
* By default all input will be assumed to be UTF-8.
*
Expand Down Expand Up @@ -136,6 +151,20 @@ public function setInput($input)
}
}

/**
* Sets the time range.
*
* Any VEvent object falling outside of this time range will be ignored.
*
* @param DateTimeInterface $start
* @param DateTimeInterface $end
*/
public function setTimeRange(DateTimeInterface $start = null, DateTimeInterface $end = null)
{
$this->start = $start;
$this->end = $end;
}

/**
* Parses an entire document.
*/
Expand Down Expand Up @@ -173,6 +202,13 @@ protected function parseDocument()
}
$result = $this->parseLine($line);
if ($result) {
if ($result instanceof Component\VEvent) {
if ($this->start && $this->end) {
if (!$result->isInTimeRange($this->start, $this->end)) {
continue;
}
}
}
$this->root->add($result);
}
}
Expand Down