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<?php |
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namespace Dwo\Aggregator\Collector; |
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use Dwo\Aggregator\Dumper\DeepDumper; |
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use Dwo\Aggregator\Exception\AggregatorException; |
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use Dwo\Aggregator\Model\EntriesTrait; |
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use Dwo\Aggregator\Model\GroupKey; |
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use Dwo\Aggregator\Model\GroupSet; |
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use Dwo\Aggregator\Model\PreAggregate; |
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use Dwo\Aggregator\Model\PreAggregateGroup; |
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/** |
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* Class Collector |
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* |
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* @author Dave Www <[email protected]> |
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*/ |
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class Collector implements \Iterator |
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{ |
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use EntriesTrait; |
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/** |
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* @var array |
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*/ |
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protected $groupKeys; |
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/** |
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* @var GroupSet[]|null |
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*/ |
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protected $groupSets; |
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/** |
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* @var bool |
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*/ |
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protected $unique; |
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/** |
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* @param array $groupKeys |
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*/ |
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public function __construct(array $groupKeys) |
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{ |
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$this->groupKeys = $groupKeys; |
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$this->unique = false; |
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} |
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/** |
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* @return array |
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*/ |
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public function getGroupKeys() |
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{ |
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return $this->groupKeys; |
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} |
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/** |
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* @param boolean $unique |
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*/ |
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public function setUnique($unique) |
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{ |
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$this->unique = $unique; |
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} |
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/** |
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* @param string $key |
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* @param GroupSet $groupSets |
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*/ |
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public function addGroupSet($key, GroupSet $groupSets) |
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{ |
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$this->groupSets[$key] = $groupSets; |
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} |
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/** |
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* :TODO: maybe count key instead of $inc |
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* |
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* @param PreAggregate|mixed $entry |
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* @param int $inc |
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*/ |
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public function addEntry($entry, $inc = 1) |
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{ |
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if (!$entry instanceof PreAggregate) { |
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$entry = new PreAggregate($entry, null, $inc); |
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} |
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if (null !== $this->groupSets) { |
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$data = $entry->getData(); |
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foreach ($this->groupSets as $key => $groupSet) { |
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if (isset($data[$key])) { |
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$data[$key] = $groupSet->getValue($data[$key]); |
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} |
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} |
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$entry->setData($data); |
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} |
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$group = GroupKey::create($entry->getData(), $this->getGroupKeys()); |
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$key = (string) $group; |
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if (!isset($this->entries[$key])) { |
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$this->entries[$key] = new PreAggregateGroup($group); |
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} elseif ($this->unique) { |
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throw new AggregatorException(sprintf('there is already a entry for this group: %s', $key)); |
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} |
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$this->entries[$key]->addEntry($entry); |
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} |
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/** |
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* @return array |
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*/ |
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public function toArray() |
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{ |
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return DeepDumper::toArray($this); |
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} |
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} |
davewwww /
Aggregator
