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<?php |
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namespace Tarantool\Mapper\Plugin\Temporal; |
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use Tarantool\Mapper\Entity; |
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use Tarantool\Mapper\Plugin\Temporal; |
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class Aggregator |
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{ |
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private $temporal; |
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private $createReferenceAggregate = true; |
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public function __construct(Temporal $temporal) |
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{ |
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$this->temporal = $temporal; |
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} |
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public function setReferenceAggregation($value) |
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{ |
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$this->createReferenceAggregate = $value; |
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} |
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public function getLeafs($link) |
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{ |
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if ($link->timestamp) { |
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return [$link]; |
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} |
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$leafs = []; |
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foreach ($this->temporal->getMapper()->find('_temporal_link', ['parent' => $link->id]) as $child) { |
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foreach ($this->getLeafs($child) as $leaf) { |
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$leafs[] = $leaf; |
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} |
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} |
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return $leafs; |
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} |
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public function updateReferenceState($entity, $id, $target) |
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{ |
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$mapper = $this->temporal->getMapper(); |
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$params = [ |
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'entity' => $this->temporal->entityNameToId($entity), |
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'id' => $id, |
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'target' => $this->temporal->entityNameToId($target), |
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]; |
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$changes = $mapper->find('_temporal_reference', $params); |
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$states = $this->generateStates($changes, function ($state, $change) { |
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$state->data = $change->targetId; |
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}); |
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$affected = []; |
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foreach ($mapper->find('_temporal_reference_state', $params) as $state) { |
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$mapper->remove($state); |
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} |
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foreach ($states as $state) { |
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$entity = $mapper->create('_temporal_reference_state', array_merge($params, [ |
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'begin' => $state->begin, |
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'end' => $state->end, |
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'targetId' => $state->data, |
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])); |
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if (!in_array([$entity->target, $entity->targetId], $affected)) { |
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$affected[] = [$entity->target, $entity->targetId]; |
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} |
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} |
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if (!$this->createReferenceAggregate) { |
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return $affected; |
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} |
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foreach ($affected as $affect) { |
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list($entity, $entityId) = $affect; |
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$changes = $mapper->find('_temporal_reference_state', [ |
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'target' => $entity, |
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'targetId' => $entityId, |
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'entity' => $params['entity'], |
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]); |
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$aggregates = $this->generateStates($changes, function ($state, $change) { |
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if (!in_array($change->id, $state->data)) { |
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$state->data[] = $change->id; |
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} |
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$state->exists = false; |
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}); |
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$aggregateParams = [ |
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'entity' => $entity, |
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'id' => $entityId, |
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'source' => $params['entity'] |
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]; |
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View Code Duplication |
foreach ($mapper->find('_temporal_reference_aggregate', $aggregateParams) as $aggregate) { |
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foreach ($aggregates as $candidate) { |
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if ($candidate->begin == $aggregate->begin && $candidate->end == $aggregate->end && $candidate->data == $aggregate->data) { |
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$candidate->exists = true; |
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continue 2; |
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} |
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} |
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$mapper->remove($aggregate); |
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} |
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View Code Duplication |
foreach ($aggregates as $aggregate) { |
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if ($aggregate->exists) { |
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continue; |
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} |
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$mapper->create('_temporal_reference_aggregate', array_merge($aggregateParams, [ |
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'begin' => $aggregate->begin, |
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'end' => $aggregate->end, |
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'data' => $aggregate->data, |
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])); |
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} |
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} |
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} |
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public function updateLinkAggregation(Entity $node) |
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{ |
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$todo = [ |
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$this->temporal->entityIdToName($node->entity) => $node->entityId, |
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]; |
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$current = $node; |
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while ($current->parent) { |
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$current = $this->temporal->getMapper()->findOne('_temporal_link', ['id' => $current->parent]); |
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$todo[$this->temporal->entityIdToName($current->entity)] = $current->entityId; |
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} |
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foreach ($todo as $entity => $id) { |
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$spaceId = $this->temporal->entityNameToId($entity); |
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$source = $this->temporal->getMapper()->find('_temporal_link', [ |
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'entity' => $spaceId, |
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'entityId' => $id, |
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]); |
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$leafs = []; |
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foreach ($source as $node) { |
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foreach ($this->getLeafs($node) as $detail) { |
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$leafs[] = $detail; |
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} |
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} |
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$changeaxis = []; |
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foreach ($leafs as $leaf) { |
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$current = $leaf; |
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$ref = []; |
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if (property_exists($leaf, 'idle') && $leaf->idle) { |
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continue; |
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} |
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while ($current) { |
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if ($current->entity != $spaceId) { |
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$ref[$current->entity] = $current->entityId; |
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} |
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if ($current->parent) { |
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$current = $this->temporal->getMapper()->findOne('_temporal_link', $current->parent); |
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} else { |
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$current = null; |
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} |
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} |
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$data = [$ref]; |
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if (property_exists($leaf, 'data') && $leaf->data) { |
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$data[] = $leaf->data; |
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} |
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if (!array_key_exists($leaf->timestamp, $changeaxis)) { |
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$changeaxis[$leaf->timestamp] = []; |
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} |
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$changeaxis[$leaf->timestamp][] = (object) [ |
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'begin' => $leaf->begin, |
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'end' => $leaf->end, |
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'data' => $data |
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]; |
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} |
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$params = [ |
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'entity' => $spaceId, |
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'id' => $id, |
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]; |
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$timeaxis = []; |
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foreach ($changeaxis as $timestamp => $changes) { |
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View Code Duplication |
foreach ($changes as $change) { |
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foreach (['begin', 'end'] as $field) { |
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if (!array_key_exists($change->$field, $timeaxis)) { |
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$timeaxis[$change->$field] = (object) [ |
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'begin' => $change->$field, |
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'end' => $change->$field, |
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'data' => [], |
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]; |
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} |
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} |
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} |
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} |
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ksort($changeaxis); |
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ksort($timeaxis); |
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$nextSliceId = null; |
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View Code Duplication |
foreach (array_reverse(array_keys($timeaxis)) as $timestamp) { |
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if ($nextSliceId) { |
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$timeaxis[$timestamp]->end = $nextSliceId; |
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} else { |
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$timeaxis[$timestamp]->end = 0; |
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} |
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$nextSliceId = $timestamp; |
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} |
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$states = []; |
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foreach ($timeaxis as $state) { |
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View Code Duplication |
foreach ($changeaxis as $changes) { |
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foreach ($changes as $change) { |
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if ($change->begin > $state->begin) { |
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// future override |
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continue; |
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} |
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if ($change->end && ($change->end < $state->end || !$state->end)) { |
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// complete override |
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continue; |
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} |
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$state->data[] = $change->data; |
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} |
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} |
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if (count($state->data)) { |
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$states[] = (object) array_merge(get_object_vars($state), $params); |
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} |
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} |
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// merge states |
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$clean = false; |
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View Code Duplication |
while (!$clean) { |
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$clean = true; |
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foreach ($states as $i => $state) { |
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if (array_key_exists($i+1, $states)) { |
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$next = $states[$i+1]; |
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if (json_encode($state->data) == json_encode($next->data)) { |
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$states[$i]->end = $next->end; |
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unset($states[$i+1]); |
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$states = array_values($states); |
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$clean = false; |
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break; |
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} |
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} |
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} |
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} |
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foreach ($this->temporal->getMapper()->find('_temporal_link_aggregate', $params) as $state) { |
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$this->temporal->getMapper()->remove($state); |
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} |
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foreach ($states as $state) { |
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$this->temporal->getMapper()->create('_temporal_link_aggregate', $state); |
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} |
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} |
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} |
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public function updateOverrideAggregation($entity, $id) |
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{ |
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$mapper = $this->temporal->getMapper(); |
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$params = [ |
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'entity' => $this->temporal->entityNameToId($entity), |
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'id' => $id, |
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]; |
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$changes = $mapper->find('_temporal_override', $params); |
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$states = $this->generateStates($changes, function ($state, $change) { |
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$state->data = array_merge($state->data, $change->data); |
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$state->exists = false; |
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}); |
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View Code Duplication |
foreach ($mapper->find('_temporal_override_aggregate', $params) as $aggregate) { |
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foreach ($states as $state) { |
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if ($state->begin == $aggregate->begin && $state->end == $aggregate->end && $state->data == $aggregate->data) { |
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$state->exists = true; |
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continue 2; |
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} |
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} |
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$mapper->remove($aggregate); |
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} |
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View Code Duplication |
foreach ($states as $aggregate) { |
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if ($aggregate->exists) { |
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continue; |
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} |
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$mapper->create('_temporal_override_aggregate', array_merge($params, [ |
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'begin' => $aggregate->begin, |
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'end' => $aggregate->end, |
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'data' => $aggregate->data, |
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])); |
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} |
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} |
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private function generateStates($changes, $callback) |
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{ |
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$slices = []; |
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foreach ($changes as $i => $change) { |
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if (property_exists($change, 'idle') && $change->idle) { |
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unset($changes[$i]); |
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} |
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} |
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View Code Duplication |
foreach ($changes as $change) { |
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foreach (['begin', 'end'] as $field) { |
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if (!array_key_exists($change->$field, $slices)) { |
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$slices[$change->$field] = (object) [ |
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'begin' => $change->$field, |
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'end' => $change->$field, |
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'data' => [], |
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]; |
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} |
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} |
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} |
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ksort($slices); |
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$nextSliceId = null; |
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314
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View Code Duplication |
foreach (array_reverse(array_keys($slices)) as $timestamp) { |
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if ($nextSliceId) { |
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$slices[$timestamp]->end = $nextSliceId; |
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} else { |
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$slices[$timestamp]->end = 0; |
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} |
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$nextSliceId = $timestamp; |
|
321
|
|
|
} |
|
322
|
|
|
|
|
323
|
|
|
// calculate states |
|
324
|
|
|
$states = []; |
|
325
|
|
|
foreach ($slices as $slice) { |
|
326
|
|
View Code Duplication |
foreach ($changes as $change) { |
|
|
|
|
|
|
327
|
|
|
if ($change->begin > $slice->begin) { |
|
328
|
|
|
// future change |
|
329
|
|
|
continue; |
|
330
|
|
|
} |
|
331
|
|
|
if ($change->end && ($change->end < $slice->end || !$slice->end)) { |
|
332
|
|
|
// complete change |
|
333
|
|
|
continue; |
|
334
|
|
|
} |
|
335
|
|
|
$callback($slice, $change); |
|
336
|
|
|
} |
|
337
|
|
|
if (count((array) $slice->data)) { |
|
338
|
|
|
$states[] = $slice; |
|
339
|
|
|
} |
|
340
|
|
|
} |
|
341
|
|
|
|
|
342
|
|
|
// merge states |
|
343
|
|
|
$clean = false; |
|
344
|
|
View Code Duplication |
while (!$clean) { |
|
|
|
|
|
|
345
|
|
|
$clean = true; |
|
346
|
|
|
foreach ($states as $i => $state) { |
|
347
|
|
|
if (array_key_exists($i+1, $states)) { |
|
348
|
|
|
$next = $states[$i+1]; |
|
349
|
|
|
if (json_encode($state->data) == json_encode($next->data)) { |
|
350
|
|
|
$state->end = $next->end; |
|
351
|
|
|
unset($states[$i+1]); |
|
352
|
|
|
$states = array_values($states); |
|
353
|
|
|
$clean = false; |
|
354
|
|
|
break; |
|
355
|
|
|
} |
|
356
|
|
|
} |
|
357
|
|
|
} |
|
358
|
|
|
} |
|
359
|
|
|
|
|
360
|
|
|
return $states; |
|
361
|
|
|
} |
|
362
|
|
|
} |
|
363
|
|
|
|
Duplicated code is one of the most pungent code smells. If you need to duplicate the same code in three or more different places, we strongly encourage you to look into extracting the code into a single class or operation.
You can also find more detailed suggestions in the “Code” section of your repository.