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Merge pull request #261 from UN-OCHA/berliner/HPC-9890
HPC-9890: Allow to fetch only ids of content entities for export
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76 changes: 76 additions & 0 deletions
76
html/modules/custom/ncms_graphql/src/Wrappers/QueryConnection.php
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,76 @@ | ||
| <?php | ||
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| namespace Drupal\ncms_graphql\Wrappers; | ||
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| use Drupal\Core\Entity\Query\QueryInterface; | ||
| use GraphQL\Deferred; | ||
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| /** | ||
| * Helper class that wraps entity queries. | ||
| */ | ||
| class QueryConnection { | ||
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| /** | ||
| * The query object. | ||
| * | ||
| * @var \Drupal\Core\Entity\Query\QueryInterface | ||
| */ | ||
| protected $query; | ||
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| /** | ||
| * QueryConnection constructor. | ||
| * | ||
| * @param \Drupal\Core\Entity\Query\QueryInterface $query | ||
| * The query object. | ||
| */ | ||
| public function __construct(QueryInterface $query) { | ||
| $this->query = $query; | ||
| } | ||
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| /** | ||
| * Return the number of results. | ||
| * | ||
| * @return int | ||
| * The number of results. | ||
| */ | ||
| public function count() { | ||
| $query = clone $this->query; | ||
| $query->range(NULL, NULL)->count(); | ||
| /** @var int */ | ||
| return $query->execute(); | ||
| } | ||
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| /** | ||
| * Return the ids. | ||
| * | ||
| * @return int[] | ||
| * An array of ids. | ||
| */ | ||
| public function ids() { | ||
| $result = $this->query->execute(); | ||
| if (empty($result)) { | ||
| return []; | ||
| } | ||
| return array_values($result); | ||
| } | ||
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| /** | ||
| * Return all items. | ||
| * | ||
| * @return array|\GraphQL\Deferred | ||
| * The promise. | ||
| */ | ||
| public function items() { | ||
| $result = $this->query->execute(); | ||
| if (empty($result)) { | ||
| return []; | ||
| } | ||
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| $buffer = \Drupal::service('graphql.buffer.entity'); | ||
| $callback = $buffer->add($this->query->getEntityTypeId(), array_values($result)); | ||
| return new Deferred(function () use ($callback) { | ||
| return $callback(); | ||
| }); | ||
| } | ||
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| } |