weather-cli/cmd/advanced.go

90 lines
2.1 KiB
Go

package main
import (
"bufio"
"fmt"
"log"
"os"
"strings"
)
// Display advanced menu and get user input
func advancedMenu(app *Application) {
var option string
// Menu loop
for option != "0" {
fmt.Print("\nAdvanced Menu\n-------------\n\n")
fmt.Printf("1. Change units (Default: imperial; Current: %s)\n", app.Config.Units)
fmt.Println("2. Enter precise location")
fmt.Println("3. Get historical data")
fmt.Print("0. Back\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")
if option != "0" {
doAdvanced(app, option)
}
}
}
// Perform the users selected option from the advanced menu
func doAdvanced(app *Application, option string) {
var isValid bool
if option == "1" {
current := app.Config.Units
if current == "imperial" {
app.Config.Units = "metric"
} else {
app.Config.Units = "imperial"
}
fmt.Printf("\nChanged units from %s to %s...\n\n", current, app.Config.Units)
} else if option == "2" {
for !isValid {
getPreciseLocation(app)
getCurrent(app)
isValid = validateCurrent(app)
}
printWeather(app)
app.Forecast.Weather.Temp = -500.00
} else if option == "3" {
for !isValid {
getPreciseLocation(app)
getDate(app)
getHistoricalData(app.Client, app)
isValid = validateHistorical(app)
}
printHistorical(app)
app.Forecast.Weather.Temp = -500.00
}
}
// Validates results of queries by location
func validateCurrent(app *Application) bool {
var isValid bool
if app.Forecast.Weather.Temp != -500.00 {
isValid = true
} else {
fmt.Println("I couldn't get any information for that location.")
fmt.Println("Please double check the location you entered.")
}
return isValid
}
// Validates results of queries for historical data
func validateHistorical(app *Application) bool {
var isValid bool
if app.HistoricalForecast.Temp != -500.00 {
isValid = true
} else {
fmt.Println("I couldn't get any information for that location.")
fmt.Println("Please double check the location you entered.")
}
return isValid
}