Class: GraphQL::Client::Response

Inherits:
Object
  • Object
show all
Defined in:
lib/graphql/client/response.rb

Overview

Public: Abstract base class for GraphQL responses.

https://facebook.github.io/graphql/#sec-Response-Format

Direct Known Subclasses

FailedResponse, SuccessfulResponse

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(extensions: nil) ⇒ Response

Internal: Initialize base class.



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# File 'lib/graphql/client/response.rb', line 40

def initialize(extensions: nil)
  @extensions = extensions || {}
end

Instance Attribute Details

#extensions ⇒ Object (readonly)

Public: Hash of server specific extension metadata.



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# File 'lib/graphql/client/response.rb', line 37

def extensions
  @extensions
end

Class Method Details

.for(definition, result) ⇒ Object

Internal: Initialize Response subclass.



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# File 'lib/graphql/client/response.rb', line 10

def self.for(definition, result)
  data, errors, extensions = result.values_at("data", "errors", "extensions")

  if data && errors
    PartialResponse.new(
      data: definition.new(data),
      errors: ResponseErrors.new(definition, errors),
      extensions: extensions
    )
  elsif data && !errors
    SuccessfulResponse.new(
      data: definition.new(data),
      extensions: extensions
    )
  elsif !data && errors
    FailedResponse.new(
      errors: ResponseErrors.new(definition, errors),
      extensions: extensions
    )
  else
    FailedResponse.new(
      errors: ResponseErrors.new(definition, [{ "message" => "invalid GraphQL response" }])
    )
  end
end