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# frozen_string_literal: true
require 'graphql'
require 'graphql_rails/attributes/attributable'
module GraphqlRails
module Model
# contains info about single graphql attribute
class BuildEnumType
class InvalidEnum < GraphqlRails::Error; end
require 'graphql_rails/concerns/service'
include ::GraphqlRails::Service
def initialize(name, allowed_values:, description: nil)
@name = name
@allowed_values = allowed_values
@description = description
end
def call
validate
build_enum
end
protected
attr_reader :name, :allowed_values, :description
def validate
return if allowed_values.is_a?(Array) && !allowed_values.empty?
validate_enum_type
validate_enum_content
end
def validate_enum_type
return if allowed_values.is_a?(Array)
raise InvalidEnum, "Enum must be instance of Array, but instance of #{allowed_values.class} was given"
end
def validate_enum_content
return unless allowed_values.empty?
raise InvalidEnum, 'At lest one enum option must be given'
end
def formatted_name
name.to_s.camelize
end
def build_enum(allowed_values: self.allowed_values, enum_name: formatted_name, enum_description: description)
Class.new(GraphQL::Schema::Enum) do
allowed_values.each do |allowed_value|
graphql_name(enum_name)
description(enum_description) if enum_description
value(allowed_value.to_s.underscore.upcase, value: allowed_value)
end
def self.inspect
"#{GraphQL::Schema::Enum}(#{graphql_name})"
end
end
end
end
end
end
Version data entries
14 entries across 14 versions & 1 rubygems