func()

in releases/go/encryption-sdk/EncryptDecryptHelpers/EncryptDecryptHelpers.go [403:464]

• 62 lines of code
• 7 McCabe index (conditional complexity)

func (_static *CompanionStruct_Default___) CreateCmmFromInput(inputCmm m_Wrappers.Option, inputKeyring m_Wrappers.Option) m_Wrappers.Result {
	var res m_Wrappers.Result = m_Wrappers.Result{}
	_ = res
	var _0_valueOrError0 m_Wrappers.Outcome = m_Wrappers.Companion_Outcome_.Default()
	_ = _0_valueOrError0
	_0_valueOrError0 = m_Wrappers.Companion_Default___.Need(((inputCmm).Is_None()) || ((inputKeyring).Is_None()), m_AwsCryptographyEncryptionSdkTypes.Companion_Error_.Create_AwsEncryptionSdkException_(_dafny.SeqOfString("Cannot provide both a keyring and a CMM")))
	if (_0_valueOrError0).IsFailure() {
		res = (_0_valueOrError0).PropagateFailure()
		return res
	}
	var _1_valueOrError1 m_Wrappers.Outcome = m_Wrappers.Companion_Outcome_.Default()
	_ = _1_valueOrError1
	_1_valueOrError1 = m_Wrappers.Companion_Default___.Need(((inputCmm).Is_Some()) || ((inputKeyring).Is_Some()), m_AwsCryptographyEncryptionSdkTypes.Companion_Error_.Create_AwsEncryptionSdkException_(_dafny.SeqOfString("Must provide either a keyring or a CMM")))
	if (_1_valueOrError1).IsFailure() {
		res = (_1_valueOrError1).PropagateFailure()
		return res
	}
	var _2_cmm m_AwsCryptographyMaterialProvidersTypes.ICryptographicMaterialsManager = (m_AwsCryptographyMaterialProvidersTypes.ICryptographicMaterialsManager)(nil)
	_ = _2_cmm
	if (inputCmm).Is_Some() {
		res = m_Wrappers.Companion_Result_.Create_Success_(m_AwsCryptographyMaterialProvidersTypes.Companion_ICryptographicMaterialsManager_.CastTo_((inputCmm).Dtor_value()))
		return res
	} else {
		var _3_maybeMaterialsProviders m_Wrappers.Result
		_ = _3_maybeMaterialsProviders
		var _out0 m_Wrappers.Result
		_ = _out0
		_out0 = m_MaterialProviders.Companion_Default___.MaterialProviders(m_MaterialProviders.Companion_Default___.DefaultMaterialProvidersConfig())
		_3_maybeMaterialsProviders = _out0
		var _4_valueOrError2 m_Wrappers.Result = m_Wrappers.Result{}
		_ = _4_valueOrError2
		_4_valueOrError2 = (_3_maybeMaterialsProviders).MapFailure(func(coer17 func(m_AwsCryptographyMaterialProvidersTypes.Error) m_AwsCryptographyEncryptionSdkTypes.Error) func(interface{}) interface{} {
			return func(arg18 interface{}) interface{} {
				return coer17(arg18.(m_AwsCryptographyMaterialProvidersTypes.Error))
			}
		}(func(_5_e m_AwsCryptographyMaterialProvidersTypes.Error) m_AwsCryptographyEncryptionSdkTypes.Error {
			return m_AwsCryptographyEncryptionSdkTypes.Companion_Error_.Create_AwsCryptographyMaterialProviders_(_5_e)
		}))
		if (_4_valueOrError2).IsFailure() {
			res = (_4_valueOrError2).PropagateFailure()
			return res
		}
		var _6_materialProviders *m_MaterialProviders.MaterialProvidersClient
		_ = _6_materialProviders
		_6_materialProviders = (_4_valueOrError2).Extract().(*m_MaterialProviders.MaterialProvidersClient)
		var _7_maybeCmm m_Wrappers.Result
		_ = _7_maybeCmm
		var _out1 m_Wrappers.Result
		_ = _out1
		_out1 = (_6_materialProviders).CreateDefaultCryptographicMaterialsManager(m_AwsCryptographyMaterialProvidersTypes.Companion_CreateDefaultCryptographicMaterialsManagerInput_.Create_CreateDefaultCryptographicMaterialsManagerInput_(m_AwsCryptographyMaterialProvidersTypes.Companion_IKeyring_.CastTo_((inputKeyring).Dtor_value())))
		_7_maybeCmm = _out1
		res = (_7_maybeCmm).MapFailure(func(coer18 func(m_AwsCryptographyMaterialProvidersTypes.Error) m_AwsCryptographyEncryptionSdkTypes.Error) func(interface{}) interface{} {
			return func(arg19 interface{}) interface{} {
				return coer18(arg19.(m_AwsCryptographyMaterialProvidersTypes.Error))
			}
		}(func(_8_e m_AwsCryptographyMaterialProvidersTypes.Error) m_AwsCryptographyEncryptionSdkTypes.Error {
			return m_AwsCryptographyEncryptionSdkTypes.Companion_Error_.Create_AwsCryptographyMaterialProviders_(_8_e)
		}))
		return res
	}
	return res
}