Module: GraphQL::Api::Helpers

Defined in:
lib/graphql/api/helpers.rb

Instance Method Summary collapse

Instance Method Details

#all_constants(root) ⇒ Object 



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# File 'lib/graphql/api/helpers.rb', line 5

def all_constants(root)
  begin
    Dir["#{Rails.root}/app/#{root}/*"].map do |f|
      file = f.split('/')[-1]
      if file.end_with?('.rb')
        const = file.split('.')[0].camelize.constantize
        const unless const.try(:abstract_class)
      end
    end.compact
  rescue
    []
  end
end

#graphql_fetch(obj, ctx, name) ⇒ Object 



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# File 'lib/graphql/api/helpers.rb', line 80

def graphql_fetch(obj, ctx, name)
  if obj.respond_to?("access_#{name}?")
    obj.send(name) if obj.send("access_#{name}?", ctx)
  else
    obj.send(name)
  end
end

#graphql_type(column) ⇒ Object 



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# File 'lib/graphql/api/helpers.rb', line 76

def graphql_type(column)
  graphql_type_of(column.type)
end

#graphql_type_for_object(return_type, object_types) ⇒ Object 



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# File 'lib/graphql/api/helpers.rb', line 19

def graphql_type_for_object(return_type, object_types)
  if return_type.nil?
    raise SchemaError.new("return type is nil for object")
  end

  if return_type.respond_to?(:to_sym) || (return_type.is_a?(Array) && return_type[0].respond_to?(:to_sym))
    type = graphql_type_of(return_type.to_sym)
  elsif return_type.is_a?(Array)
    type = object_types[return_type[0]].to_list_type
  else
    type = object_types[return_type]
  end

  if type.nil?
    raise SchemaError.new("could not parse return type for: #{return_type}")
  end

  type
end

#graphql_type_of(type) ⇒ Object 



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# File 'lib/graphql/api/helpers.rb', line 39

def graphql_type_of(type)

  is_required = false
  if type.to_s.end_with?('!')
    is_required = true
    type = type.to_s.chomp('!').to_sym
  end

  is_list = false
  if type.is_a?(Array)
    is_list = true
    type = type[0]
  end

  case type
    when :integer
      res = GraphQL::INT_TYPE
    when :text
      res = GraphQL::STRING_TYPE
    when :string
      res = GraphQL::STRING_TYPE
    when :decimal
      res = GraphQL::FLOAT_TYPE
    when :float
      res = GraphQL::FLOAT_TYPE
    when :boolean
      res = GraphQL::BOOLEAN_TYPE
    else
      res = GraphQL::STRING_TYPE
  end

  res = res.to_list_type if is_list
  res = !res if is_required

  res
end