pluralism/bliptv-downloader

package main

import (
    "bufio"
    "fmt"
    "os"
    "url"
)

func main() {
    var userURL string
    stdin := bufio.NewReader(os.Stdin)

    fmt.Println("Enter a valid URL:")
    _, err := fmt.Fscan(stdin, &userURL)
    stdin.ReadString('\n')

    if err != nil {
        fmt.Println(err)
        os.Exit(1)
    }

    for len(userURL) == 0 {
        fmt.Println("[!] URL can't be empty!")
        _, err := fmt.Fscan(stdin, &userURL)
        stdin.ReadString('\n')
        if err != nil {
            fmt.Println(err)
            os.Exit(1)
        }
    }

    response := url.GetPageSource(userURL)
    videoUser := url.GetVideoDetails(response)
    videoNumber := videoUser.GetUserAnswer()
    url.DownloadFile(videoUser.Links[videoNumber-1].Type, videoUser)
}