20161005.cal.01.rrules.php
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20161005.cal.01.rrules.php
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	<?php

	$table = new PhabricatorCalendarEvent();
	$conn = $table->establishConnection('w');
	$table_name = 'calendar_event';

	foreach (new LiskRawMigrationIterator($conn, $table_name) as $row) {
	$parameters = phutil_json_decode($row['parameters']);
	if (isset($parameters['recurrenceRule'])) {
	// This event has already been migrated.
	continue;
	}

	if (!$row['isRecurring']) {
	continue;
	}

	$old_rule = $row['recurrenceFrequency'];
	if (!$old_rule) {
	continue;
	}

	try {
	$frequency = phutil_json_decode($old_rule);
	if ($frequency) {
	$frequency_rule = $frequency['rule'];
	$frequency_rule = phutil_utf8_strtoupper($frequency_rule);

	$rrule = id(new PhutilCalendarRecurrenceRule())
	->setFrequency($frequency_rule);
	}
	} catch (Exception $ex) {
	continue;
	}

	$parameters['recurrenceRule'] = $rrule->toDictionary();

	queryfx(
	$conn,
	'UPDATE %T SET parameters = %s WHERE id = %d',
	$table_name,
	phutil_json_encode($parameters),
	$row['id']);
	}