weather-cli/cmd/menu.go

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2022-08-02 22:15:35 -04:00
package main
import (
"bufio"
"fmt"
"log"
"os"
"strings"
)
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func mainMenu(app *Application) {
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// Display main menu
fmt.Println("\n=====================================================")
fmt.Printf("| Welcome to the OpenWeatherMap-gRPC Client! v%s |\n", app.Version)
fmt.Println("=====================================================")
fmt.Printf("New in version %s:\n", app.Version)
fmt.Println(" - Advanced option: Get historical data back to 1972")
fmt.Println("New in version 0.1.0")
fmt.Println(" - Default option: Automatically determine location")
fmt.Println(" - Advanced option: Enter exact location for anywhere in the world")
fmt.Println(" - Advanced option: Change back and forth between imperial and metric units of measurement")
var option string
// Menu loop
for option != "0" {
fmt.Print("\nMain Menu\n---------\n\n")
fmt.Println("1. Today's forecast (use current location, default)")
fmt.Println("2. Advanced options (Change units, precise location, etc.)")
fmt.Print("0. Exit\n\n")
// Read user input
reader := bufio.NewReader(os.Stdin)
input, err := reader.ReadString('\n')
if err != nil {
log.Println(err)
}
option = strings.TrimSuffix(input, "\n")
// Check user input
if option == "1" || option == "" {
getLocation(app)
getCurrent(app)
printWeather(app)
} else if option == "2" {
advancedMenu(app)
} else if option == "0" {
return
} else {
fmt.Print("\nOops! An error occurred, please choose a valid option.\n\n")
}
}
}