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<?php |
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namespace GraphQL\Examples\Blog\Type; |
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use GraphQL\Examples\Blog\AppContext; |
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use GraphQL\Examples\Blog\Data\DataSource; |
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use GraphQL\Examples\Blog\Types; |
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use GraphQL\Type\Definition\ObjectType; |
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use GraphQL\Type\Definition\ResolveInfo; |
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use GraphQL\Type\Definition\Type; |
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class QueryType extends ObjectType |
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{ |
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public function __construct() |
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{ |
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$config = [ |
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'name' => 'Query', |
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'fields' => [ |
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'user' => [ |
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'type' => Types::user(), |
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'description' => 'Returns user by id (in range of 1-5)', |
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'args' => [ |
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'id' => Types::nonNull(Types::id()) |
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] |
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], |
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'viewer' => [ |
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'type' => Types::user(), |
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'description' => 'Represents currently logged-in user (for the sake of example - simply returns user with id == 1)' |
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], |
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'stories' => [ |
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'type' => Types::listOf(Types::story()), |
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'description' => 'Returns subset of stories posted for this blog', |
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'args' => [ |
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'after' => [ |
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'type' => Types::id(), |
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'description' => 'Fetch stories listed after the story with this ID' |
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], |
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'limit' => [ |
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'type' => Types::int(), |
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'description' => 'Number of stories to be returned', |
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'defaultValue' => 10 |
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] |
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] |
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], |
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'lastStoryPosted' => [ |
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'type' => Types::story(), |
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'description' => 'Returns last story posted for this blog' |
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], |
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'deprecatedField' => [ |
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'type' => Types::string(), |
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'deprecationReason' => 'This field is deprecated!' |
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], |
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'fieldWithException' => [ |
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'type' => Types::string(), |
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'resolve' => function() { |
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throw new \Exception("Exception message thrown in field resolver"); |
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} |
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], |
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'hello' => Type::string() |
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], |
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'resolveField' => function($rootValue, $args, $context, ResolveInfo $info) { |
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return $this->{$info->fieldName}($rootValue, $args, $context, $info); |
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} |
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]; |
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parent::__construct($config); |
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} |
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public function user($rootValue, $args) |
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{ |
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return DataSource::findUser($args['id']); |
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} |
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public function viewer($rootValue, $args, AppContext $context) |
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{ |
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return $context->viewer; |
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} |
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public function stories($rootValue, $args) |
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{ |
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$args += ['after' => null]; |
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return DataSource::findStories($args['limit'], $args['after']); |
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} |
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public function lastStoryPosted() |
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{ |
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return DataSource::findLatestStory(); |
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} |
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public function hello() |
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{ |
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return 'Your graphql-php endpoint is ready! Use GraphiQL to browse API'; |
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} |
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public function deprecatedField() |
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{ |
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return 'You can request deprecated field, but it is not displayed in auto-generated documentation by default.'; |
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} |
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} |
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webonyx /
graphql-php
