view.go

package main

import "fmt"

// Get the host's name from the user.
func getHostNameFromUser() string {
	hostName := ""
	var err error
	var code int
	// Make sure that the hostname is set.
	for err != nil || hostName == "" {
		fmt.Println("Enter the HostName:")
		code, err = fmt.Scanln(&hostName)
		if err != nil {
			fmt.Printf("Got code %d, error %s", code, err)
		}
	}
	return hostName
}

// Get the host's user from the user.
func getUserFromUser() string {
	user := ""
	var err error
	var code int
	// Make sure the input is valid.
	for err != nil || user == "" {
		fmt.Println("Enter the user:")
		code, err = fmt.Scanln(&user)
		if err != nil {
			fmt.Printf("Got code %d, error %s", code, err)
		}
	}
	return user
}

// Get the host's name from the user.
func getConfigName() string {
	configName := ""
	var err error
	var code int
	// Make sure the input is valid.
	for err != nil || configName == "" {
		fmt.Println("Enter the config name:")
		code, err = fmt.Scanln(&configName)
		if err != nil {
			fmt.Printf("Got code %d, error %s", code, err)
		}
	}
	return configName
}

// Gets all host information from the user and returns the host.
func getHostFromUser() *host {
	configName := getConfigName()
	hostName := getHostNameFromUser()
	user := getUserFromUser()
	return newHost(configName, hostName, user)
}