Differential D16670 Diff 40151 resources/sql/autopatches/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']);
				}