20161005.cal.01.rrules.php
3164ff68db58stable

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']);
			}