public static function build($name, $objectKey = null) { $objectKey = $objectKey ?: $name; // Demonstrates how to organize re-usable fields // Usual example: when the same field with same args shows up in different types // (for example when it is a part of some interface) return ['name' => $name, 'type' => Types::string(), 'args' => ['format' => ['type' => Types::contentFormatEnum(), 'defaultValue' => ContentFormatEnum::FORMAT_HTML], 'maxLength' => Types::int()], 'resolve' => function ($object, $args) use($objectKey) { $html = $object->{$objectKey}; $text = strip_tags($html); if (!empty($args['maxLength'])) { $safeText = mb_substr($text, 0, $args['maxLength']); } else { $safeText = $text; } switch ($args['format']) { case ContentFormatEnum::FORMAT_HTML: if ($safeText !== $text) { // Text was truncated, so just show what's safe: return nl2br($safeText); } else { return $html; } case ContentFormatEnum::FORMAT_TEXT: default: return $safeText; } }]; }
public function __construct() { $config = ['name' => 'Query', 'fields' => ['user' => ['type' => Types::user(), 'description' => 'Returns user by id (in range of 1-5)', 'args' => ['id' => Types::nonNull(Types::id())]], 'viewer' => ['type' => Types::user(), 'description' => 'Represents currently logged-in user (for the sake of example - simply returns user with id == 1)'], 'stories' => ['type' => Types::listOf(Types::story()), 'description' => 'Returns subset of stories posted for this blog', 'args' => ['after' => ['type' => Types::id(), 'description' => 'Fetch stories listed after the story with this ID'], 'limit' => ['type' => Types::int(), 'description' => 'Number of stories to be returned', 'defaultValue' => 10]]], 'lastStoryPosted' => ['type' => Types::story(), 'description' => 'Returns last story posted for this blog'], 'deprecatedField' => ['type' => Types::string(), 'deprecationReason' => 'This field is deprecated!'], 'fieldWithException' => ['type' => Types::string(), 'resolve' => function () { throw new \Exception("Exception message thrown in field resolver"); }], 'hello' => Type::string()], 'resolveField' => function ($val, $args, $context, ResolveInfo $info) { return $this->{$info->fieldName}($val, $args, $context, $info); }]; parent::__construct($config); }
public function __construct() { $config = ['name' => 'ImageType', 'fields' => ['id' => Types::id(), 'type' => new EnumType(['name' => 'ImageTypeEnum', 'values' => ['USERPIC' => Image::TYPE_USERPIC]]), 'size' => Types::imageSizeEnum(), 'width' => Types::int(), 'height' => Types::int(), 'url' => ['type' => Types::url(), 'resolve' => [$this, 'resolveUrl']], 'fieldWithError' => ['type' => Types::string(), 'resolve' => function () { throw new \Exception("Field with exception"); }], 'nonNullFieldWithError' => ['type' => Types::nonNull(Types::string()), 'resolve' => function () { throw new \Exception("Non-null field with exception"); }]]]; parent::__construct($config); }
public function __construct() { // Option #2: define type using inheritance, see any other object type for compositional example $config = ['name' => 'ImageType', 'fields' => ['id' => Types::id(), 'type' => new EnumType(['name' => 'ImageTypeEnum', 'values' => ['USERPIC' => Image::TYPE_USERPIC]]), 'size' => Types::imageSizeEnum(), 'width' => Types::int(), 'height' => Types::int(), 'url' => ['type' => Types::url(), 'resolve' => [$this, 'resolveUrl']], 'fieldWithError' => ['type' => Types::string(), 'resolve' => function () { throw new \Exception("Field with exception"); }], 'nonNullFieldWithError' => ['type' => Types::nonNull(Types::string()), 'resolve' => function () { throw new \Exception("Non-null field with exception"); }]]]; parent::__construct($config); }
public function __construct() { // Option #1: using composition over inheritance to define type, see ImageType for inheritance example $this->definition = new ObjectType(['name' => 'Story', 'fields' => function () { return ['id' => Types::id(), 'author' => Types::user(), 'mentions' => Types::listOf(Types::mention()), 'totalCommentCount' => Types::int(), 'comments' => ['type' => Types::listOf(Types::comment()), 'args' => ['after' => ['type' => Types::id(), 'description' => 'Load all comments listed after given comment ID'], 'limit' => ['type' => Types::int(), 'defaultValue' => 5]]], 'likes' => ['type' => Types::listOf(Types::user()), 'args' => ['limit' => ['type' => Types::int(), 'description' => 'Limit the number of recent likes returned', 'defaultValue' => 5]]], 'likedBy' => ['type' => Types::listOf(Types::user())], 'affordances' => Types::listOf(new EnumType(['name' => 'StoryAffordancesEnum', 'values' => [self::EDIT, self::DELETE, self::LIKE, self::UNLIKE, self::REPLY]])), 'hasViewerLiked' => Types::boolean(), Types::htmlField('body')]; }, 'interfaces' => [Types::node()], 'resolveField' => function ($value, $args, $context, ResolveInfo $info) { if (method_exists($this, $info->fieldName)) { return $this->{$info->fieldName}($value, $args, $context, $info); } else { return $value->{$info->fieldName}; } }]); }
public function __construct() { // Option #1: using composition over inheritance to define type, see ImageType for inheritance example $this->definition = new ObjectType(['name' => 'Comment', 'fields' => function () { return ['id' => Types::id(), 'author' => Types::user(), 'parent' => Types::comment(), 'isAnonymous' => Types::boolean(), 'replies' => ['type' => Types::listOf(Types::comment()), 'args' => ['after' => Types::int(), 'limit' => ['type' => Types::int(), 'defaultValue' => 5]]], 'totalReplyCount' => Types::int(), Types::htmlField('body')]; }, 'resolveField' => function ($value, $args, $context, ResolveInfo $info) { if (method_exists($this, $info->fieldName)) { return $this->{$info->fieldName}($value, $args, $context, $info); } else { return $value->{$info->fieldName}; } }]); }
public function __construct() { $config = ['name' => 'Comment', 'fields' => function () { return ['id' => Types::id(), 'author' => Types::user(), 'parent' => Types::comment(), 'isAnonymous' => Types::boolean(), 'replies' => ['type' => Types::listOf(Types::comment()), 'args' => ['after' => Types::int(), 'limit' => ['type' => Types::int(), 'defaultValue' => 5]]], 'totalReplyCount' => Types::int(), Types::htmlField('body')]; }, 'resolveField' => function ($value, $args, $context, ResolveInfo $info) { if (method_exists($this, $info->fieldName)) { return $this->{$info->fieldName}($value, $args, $context, $info); } else { return $value->{$info->fieldName}; } }]; parent::__construct($config); }
public function resolveType($object, Types $types) { if ($object instanceof User) { return Types::user(); } else { if ($object instanceof Image) { return Types::image(); } else { if ($object instanceof Story) { return Types::story(); } } } }
public function __construct() { $config = ['name' => 'SearchResultType', 'types' => function () { return [Types::story(), Types::user()]; }, 'resolveType' => function ($value) { if ($value instanceof Story) { return Types::story(); } else { if ($value instanceof User) { return Types::user(); } } }]; parent::__construct($config); }
public function __construct() { // Option #1: using composition over inheritance to define type, see ImageType for inheritance example $this->definition = new UnionType(['name' => 'SearchResultType', 'types' => function () { return [Types::story(), Types::user()]; }, 'resolveType' => function ($value) { if ($value instanceof Story) { return Types::story(); } else { if ($value instanceof User) { return Types::user(); } } }]); }
public function __construct() { $config = ['name' => 'User', 'description' => 'Our blog authors', 'fields' => function () { return ['id' => Types::id(), 'email' => Types::email(), 'photo' => ['type' => Types::image(), 'description' => 'User photo URL', 'args' => ['size' => Types::nonNull(Types::imageSizeEnum())]], 'firstName' => ['type' => Types::string()], 'lastName' => ['type' => Types::string()], 'lastStoryPosted' => Types::story(), 'fieldWithError' => ['type' => Types::string(), 'resolve' => function () { throw new \Exception("This is error field"); }]]; }, 'interfaces' => [Types::node()], 'resolveField' => function ($value, $args, $context, ResolveInfo $info) { if (method_exists($this, $info->fieldName)) { return $this->{$info->fieldName}($value, $args, $context, $info); } else { return $value->{$info->fieldName}; } }]; parent::__construct($config); }
public function __construct() { // Option #1: using composition over inheritance to define type, see ImageType for inheritance example $this->definition = new ObjectType(['name' => 'User', 'description' => 'Our blog authors', 'fields' => function () { return ['id' => Types::id(), 'email' => Types::email(), 'photo' => ['type' => Types::image(), 'description' => 'User photo URL', 'args' => ['size' => Types::nonNull(Types::imageSizeEnum())]], 'firstName' => ['type' => Types::string()], 'lastName' => ['type' => Types::string()], 'lastStoryPosted' => Types::story(), 'fieldWithError' => ['type' => Types::string(), 'resolve' => function () { throw new \Exception("This is error field"); }]]; }, 'interfaces' => [Types::node()], 'resolveField' => function ($value, $args, $context, ResolveInfo $info) { if (method_exists($this, $info->fieldName)) { return $this->{$info->fieldName}($value, $args, $context, $info); } else { return $value->{$info->fieldName}; } }]); }
// simulated "currently logged-in user" $appContext->rootUrl = 'http://localhost:8080'; $appContext->request = $_REQUEST; // Parse incoming query and variables if (isset($_SERVER['CONTENT_TYPE']) && strpos($_SERVER['CONTENT_TYPE'], 'application/json') !== false) { $raw = file_get_contents('php://input') ?: ''; $data = json_decode($raw, true); } else { $data = $_REQUEST; } $data += ['query' => null, 'variables' => null]; if (null === $data['query']) { $data['query'] = '{hello}'; } // GraphQL schema to be passed to query executor: $schema = new Schema(['query' => Types::query()]); $result = GraphQL::execute($schema, $data['query'], null, $appContext, (array) $data['variables']); // Add reported PHP errors to result (if any) if (!empty($_GET['debug']) && !empty($phpErrors)) { $result['extensions']['phpErrors'] = array_map(['GraphQL\\Error\\FormattedError', 'createFromPHPError'], $phpErrors); } $httpStatus = 200; } catch (\Exception $error) { $httpStatus = 500; if (!empty($_GET['debug'])) { $result['extensions']['exception'] = FormattedError::createFromException($error); } else { $result['errors'] = [FormattedError::create('Unexpected Error')]; } } header('Content-Type: application/json', true, $httpStatus);