go-weather/main.go

package main

import (
	"flag"
	"fmt"
	"os"
)

//TODO: finish this!

func main() {
	//set up the flags for the program to use!
	var city, code, apiKey string
	flag.StringVar(&city, "city", "London", "Enter city e.g. London")
	flag.StringVar(&code, "code", "uk", "Enter Code e.g. uk")
	flag.StringVar(&apiKey, "api", "none", "Enter you api key here")
	flag.Parse()

	var filename string
	filename = "weather.json"

	full := "https://api.openweathermap.org/data/2.5/weather?q=" + city + "," + code + "&units=metric" + "&appid=" + apiKey + ""

	//read webpage
	html, err := loadWebPage(full)
	if err != nil {
		//fmt.Println("4xx error, please try again!")
		fmt.Fprintf(os.Stderr, "ERROR: Could not read website: %s\n", err)
		os.Exit(1)
	}

	//Create file
	createFile(string(html), filename)
	defer removeFile(filename) //delete file at the end

	//Load the file
	data, err := loadJSON("weather.json")
	if err != nil {
		fmt.Println("Cannot load weather.json file!")
		os.Exit(1)
	}

	//Print the weather!
	printWeather(data)
}