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a0ea31f47f
Summary: Fixes T11804. This probably isn't perfect but seems to work fairly reasonably and not be as much of a weird nonsense mess like the old behavior was. When a user edits a recurring event, we ask them what they're trying to do. Then we more or less do that. Test Plan: - Edited an event in the middle of a series. - Edited the first event in a series. - Edited "just this" and "all future" events in various places in a series. - Edited normal events. - Cancelled various events. Reviewers: chad Reviewed By: chad Maniphest Tasks: T11804 Differential Revision: https://secure.phabricator.com/D16782
66 lines
2 KiB
PHP
66 lines
2 KiB
PHP
<?php
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final class PhabricatorCalendarEventForkTransaction
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extends PhabricatorCalendarEventTransactionType {
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const TRANSACTIONTYPE = 'calendar.fork';
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public function generateOldValue($object) {
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return false;
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}
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public function shouldHide() {
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// This transaction is purely an internal implementation detail which
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// supports editing groups of events like "All Future Events".
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return true;
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}
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public function applyInternalEffects($object, $value) {
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$parent = $object->getParentEvent();
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$object->setInstanceOfEventPHID(null);
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$object->attachParentEvent(null);
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$rrule = $parent->newRecurrenceRule();
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$object->setRecurrenceRule($rrule);
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$until = $parent->newUntilDateTime();
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if ($until) {
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$object->setUntilDateTime($until);
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}
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$old_sequence_index = $object->getSequenceIndex();
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$object->setSequenceIndex(0);
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// Stop the parent event from recurring after the start date of this event.
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// Since the "until" time is inclusive, rewind it by one second. We could
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// figure out the previous instance's time instead or use a COUNT, but this
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// seems simpler as long as it doesn't cause any issues.
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$until_cutoff = $object->newStartDateTime()
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->newRelativeDateTime('-PT1S')
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->newAbsoluteDateTime();
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$parent->setUntilDateTime($until_cutoff);
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$parent->save();
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// NOTE: If we implement "COUNT" on editable events, we need to adjust
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// the "COUNT" here and divide it up between the parent and the fork.
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// Make all following children of the old parent children of this node
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// instead.
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$conn = $object->establishConnection('w');
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queryfx(
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$conn,
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'UPDATE %T SET
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instanceOfEventPHID = %s,
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sequenceIndex = (sequenceIndex - %d)
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WHERE instanceOfEventPHID = %s
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AND utcInstanceEpoch > %d',
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$object->getTableName(),
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$object->getPHID(),
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$old_sequence_index,
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$parent->getPHID(),
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$object->getUTCInstanceEpoch());
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}
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}
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