Class: GraphQL::Types::ISO8601Date

Inherits:
Schema::Scalar show all
Defined in:
lib/graphql/types/iso_8601_date.rb

Overview

This scalar takes Dates and transmits them as strings, using ISO 8601 format.

Use it for fields or arguments as follows:

field :published_at, GraphQL::Types::ISO8601Date, null: false

argument :deliver_at, GraphQL::Types::ISO8601Date, null: false

Alternatively, use this built-in scalar as inspiration for your own Date type.

Constant Summary

Constants included from Schema::Member::HasDirectives

Schema::Member::HasDirectives::NO_DIRECTIVES

Constants included from Schema::Member::GraphQLTypeNames

Schema::Member::GraphQLTypeNames::Boolean, Schema::Member::GraphQLTypeNames::ID, Schema::Member::GraphQLTypeNames::Int

Class Method Summary collapse

Methods inherited from Schema::Scalar

default_scalar, default_scalar?, kind, specified_by_url, validate_non_null_input

Methods included from Schema::Member::ValidatesInput

#coerce_isolated_input, #coerce_isolated_result, #valid_input?, #valid_isolated_input?, #validate_input

Methods included from Schema::Member::BaseDSLMethods

#accessible?, #authorized?, #default_graphql_name, #description, #graphql_name, #introspection, #introspection?, #mutation, #name, #overridden_graphql_name, #visible?

Methods included from Schema::Member::BaseDSLMethods::ConfigurationExtension

#inherited

Methods included from Schema::Member::TypeSystemHelpers

#kind, #list?, #non_null?, #to_list_type, #to_non_null_type, #to_type_signature

Methods included from Schema::Member::Scoped

#scope_items

Methods included from Schema::Member::RelayShortcuts

#connection_type, #connection_type_class, #edge_type, #edge_type_class

Methods included from Schema::Member::HasPath

#path

Methods included from Schema::Member::HasAstNode

#ast_node

Methods included from Schema::Member::HasDirectives

#directive, #directives, #remove_directive

Class Method Details

.coerce_input(value, ctx) ⇒ Date?

Parameters:

  • str_value (String, Date, DateTime, Time)

Returns:

  • (Date, nil)

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# File 'lib/graphql/types/iso_8601_date.rb', line 27

def self.coerce_input(value, ctx)
  if value.is_a?(::Date)
    value
  elsif value.is_a?(::DateTime)
    value.to_date
  elsif value.is_a?(::Time)
    value.to_date
  elsif value.nil?
    nil
  else
    Date.iso8601(value)
  end
rescue ArgumentError, TypeError
  err = GraphQL::DateEncodingError.new(value)
  ctx.schema.type_error(err, ctx)
end

.coerce_result(value, _ctx) ⇒ String

Parameters:

  • value (Date, Time, DateTime, String)

Returns:


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# File 'lib/graphql/types/iso_8601_date.rb', line 21

def self.coerce_result(value, _ctx)
  Date.parse(value.to_s).iso8601
end