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<?php |
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/* |
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* This file is part of the OverblogGraphQLBundle package. |
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* |
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* (c) Overblog <http://github.com/overblog/> |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Overblog\GraphQLBundle\Tests\Functional\App\Resolver; |
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use GraphQL\Deferred; |
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use GraphQL\Executor\Promise\Adapter\SyncPromiseAdapter; |
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use GraphQL\Executor\Promise\PromiseAdapter; |
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use Overblog\GraphQLBundle\Executor\Promise\Adapter\ReactPromiseAdapter; |
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use Overblog\GraphQLBundle\Relay\Connection\Output\ConnectionBuilder; |
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use Overblog\GraphQLBundle\Relay\Connection\Output\Edge; |
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use React\Promise\Promise; |
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class ConnectionResolver |
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{ |
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private $allUsers = [ |
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[ |
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'name' => 'Dan', |
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'friends' => [1, 2, 3, 4], |
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], |
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[ |
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'name' => 'Nick', |
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'friends' => [0, 2, 3, 4], |
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], |
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[ |
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'name' => 'Lee', |
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'friends' => [0, 1, 3, 4], |
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], |
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[ |
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'name' => 'Joe', |
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'friends' => [0, 1, 2, 4], |
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], |
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[ |
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'name' => 'Tim', |
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'friends' => [0, 1, 2, 3], |
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], |
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]; |
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/** |
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* @var PromiseAdapter |
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*/ |
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private $promiseAdapter; |
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public function __construct(PromiseAdapter $promiseAdapter) |
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{ |
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$this->promiseAdapter = $promiseAdapter; |
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} |
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public function friendsResolver($user, $args) |
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{ |
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return $this->promiseAdapter->create(function (callable $resolve) use ($user, $args) { |
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return $resolve(ConnectionBuilder::connectionFromArray($user['friends'], $args)); |
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}); |
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} |
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public function resolveNode(Edge $edge) |
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{ |
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return $this->promiseAdapter->create(function (callable $resolve) use ($edge) { |
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return $resolve(isset($this->allUsers[$edge->node]) ? $this->allUsers[$edge->node] : null); |
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}); |
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} |
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public function resolveConnection() |
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{ |
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return $this->promiseAdapter->create(function (callable $resolve) { |
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return $resolve(count($this->allUsers) - 1); |
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}); |
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} |
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public function resolveQuery() |
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{ |
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if ($this->promiseAdapter instanceof SyncPromiseAdapter) { |
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return new Deferred(function () { |
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return $this->allUsers[0]; |
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}); |
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} elseif ($this->promiseAdapter instanceof ReactPromiseAdapter) { |
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return new Promise(function (callable $resolve) { |
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return $resolve($this->allUsers[0]); |
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}); |
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} |
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return $this->allUsers[0]; |
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} |
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} |
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overblog /
GraphQLBundle
