func lastFlag()

in commands/activation.go [268:296]

• 29 lines of code
• 5 McCabe index (conditional complexity)

func lastFlag(args []string) ([]string, error) {
	if Flags.activation.last {
		options := &whisk.ActivationListOptions{
			Limit: 1,
			Skip:  0,
		}
		activations, _, err := Client.Activations.List(options)
		if err != nil { // Checks Activations.List for errors when retrieving latest activation
			whisk.Debug(whisk.DbgError, "Client.Activations.List(%#v) error during lastFlag: %s\n", options, err)
			return args, err
		}
		if len(activations) == 0 { // Checks to see if there are activations available
			whisk.Debug(whisk.DbgError, "No activations found in activation list\n")
			errStr := wski18n.T("Activation list does not contain any activations.")
			whiskErr := whisk.MakeWskError(errors.New(errStr), whisk.EXIT_CODE_ERR_GENERAL, whisk.DISPLAY_MSG, whisk.DISPLAY_USAGE)
			return args, whiskErr
		}
		if len(args) == 0 {
			whisk.Debug(whisk.DbgInfo, "Appending most recent activation ID(%s) into args\n", activations[0].ActivationID)
			args = append(args, activations[0].ActivationID)
		} else {
			whisk.Debug(whisk.DbgInfo, "Appending most recent activation ID(%s) into args\n", activations[0].ActivationID)
			args = append(args, activations[0].ActivationID)
			whisk.Debug(whisk.DbgInfo, "Allocating appended ID to correct position in args\n")
			args[0], args[len(args)-1] = args[len(args)-1], args[0] // IDs should be located at args[0], if 1 or more arguments are given ID has to be moved to args[0]
		}
	}
	return args, nil
}