func()

in parsers/manifest_parser.go [131:189]
50 lines of code
17 McCabe index (conditional complexity)

func (dm *YAMLParser) composeInputs(inputs map[string]Parameter, packageInputs PackageInputs, manifestFilePath string) (whisk.KeyValueArr, error) {
	var errorParser error
	keyValArr := make(whisk.KeyValueArr, 0)
	var inputsWithoutValue []string
	var paramsCLI interface{}

	if len(utils.Flags.Param) > 0 {
		paramsCLI, errorParser = utils.GetJSONFromStrings(utils.Flags.Param, false)
		if errorParser != nil {
			return nil, errorParser
		}
	}

	for name, param := range inputs {
		var keyVal whisk.KeyValue
		// keyvalue key is set to parameter name
		keyVal.Key = name
		// parameter on CLI takes the highest precedence such that
		// input variables gets values from CLI first
		if paramsCLI != nil {
			// check if this particular input is specified on CLI
			if v, ok := paramsCLI.(map[string]interface{})[name]; ok {
				keyVal.Value = wskenv.ConvertSingleName(v.(string))
			}
		}
		// if those inputs are not specified on CLI,
		// read their values from the manifest file
		if keyVal.Value == nil {
			keyVal.Value, errorParser = ResolveParameter(name, &param, manifestFilePath)
			if errorParser != nil {
				return nil, errorParser
			}
			if param.Type == STRING && param.Value != nil {
				if keyVal.Value == getTypeDefaultValue(param.Type) {
					if packageInputs.Inputs != nil {
						n := wskenv.GetEnvVarName(param.Value.(string))
						if v, ok := packageInputs.Inputs[n]; ok {
							keyVal.Value = v.Value.(string)
						}
					}
				}
			}
		}
		if keyVal.Value != nil {
			keyValArr = append(keyValArr, keyVal)
		}
		if param.Required && keyVal.Value == getTypeDefaultValue(param.Type) {
			inputsWithoutValue = append(inputsWithoutValue, name)
		}
	}
	if len(inputsWithoutValue) > 0 {
		errMessage := wski18n.T(wski18n.ID_ERR_REQUIRED_INPUTS_MISSING_VALUE_X_inputs_X,
			map[string]interface{}{
				wski18n.KEY_INPUTS: strings.Join(inputsWithoutValue, ", ")})
		return nil, wskderrors.NewYAMLFileFormatError(manifestFilePath, errMessage)
	}

	return keyValArr, nil
}