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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\Image; |
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use GraphQL\Examples\Blog\Types; |
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use GraphQL\Type\Definition\EnumType; |
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use GraphQL\Type\Definition\ObjectType; |
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class ImageType extends ObjectType |
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{ |
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public function __construct() |
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{ |
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$config = [ |
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'name' => 'ImageType', |
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'fields' => [ |
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'id' => Types::id(), |
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'type' => new EnumType([ |
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'name' => 'ImageTypeEnum', |
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'values' => [ |
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'USERPIC' => Image::TYPE_USERPIC |
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] |
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]), |
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'size' => Types::imageSizeEnum(), |
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'width' => Types::int(), |
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'height' => Types::int(), |
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'url' => [ |
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'type' => Types::url(), |
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'resolve' => [$this, 'resolveUrl'] |
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], |
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// Just for the sake of example |
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'fieldWithError' => [ |
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'type' => Types::string(), |
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'resolve' => function() { |
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throw new \Exception("Field with exception"); |
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} |
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], |
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'nonNullFieldWithError' => [ |
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'type' => Types::nonNull(Types::string()), |
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'resolve' => function() { |
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throw new \Exception("Non-null field with exception"); |
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} |
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] |
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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 resolveUrl(Image $value, $args, AppContext $context) |
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{ |
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switch ($value->type) { |
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case Image::TYPE_USERPIC: |
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$path = "/images/user/{$value->id}-{$value->size}.jpg"; |
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break; |
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default: |
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throw new \UnexpectedValueException("Unexpected image type: " . $value->type); |
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} |
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return $context->rootUrl . $path; |
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} |
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} |
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simPod /
graphql-php
