Delete main.go

main.go

@@ -1,68 +0,0 @@
-package main
-
-import (
-	"fmt"
-	"math/rand"
-	"net/http"
-	"net/url"
-)
-
-func main() {
-	m := map[string]string{}
-	s := "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789"
-
-	http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) {
-		if r.URL.Path == "/" && r.Method == "GET" {
-			fmt.Fprintln(w, "<h1>shortener</h1>")
-			fmt.Fprintln(w, "<form method='POST'>")
-			fmt.Fprintln(w, "<input name='url' placeholder='https://example.com'>")
-			fmt.Fprintln(w, "<button>ok</button>")
-			fmt.Fprintln(w, "</form>")
-			return
-		}
-
-		if r.URL.Path == "/" && r.Method == "POST" {
-			a := r.FormValue("url")
-
-			if a == "" {
-				fmt.Fprintln(w, "empty")
-				return
-			}
-
-			u, err := url.Parse(a)
-			if err != nil || u.Scheme == "" || u.Host == "" {
-				fmt.Fprintln(w, "bad url")
-				return
-			}
-
-			b := ""
-			for j := 0; j < 6; j++ {
-				b = b + string(s[rand.Intn(len(s))])
-			}
-
-			for m[b] != "" {
-				b = ""
-				for j := 0; j < 6; j++ {
-					b = b + string(s[rand.Intn(len(s))])
-				}
-			}
-
-			m[b] = a
-			fmt.Fprintln(w, "short url: http://localhost:8080/"+b)
-			return
-		}
-
-		x := r.URL.Path[1:]
-		y := m[x]
-
-		if y == "" {
-			fmt.Fprintln(w, "not found")
-			return
-		}
-
-		http.Redirect(w, r, y, 302)
-	})
-
-	fmt.Println("start http://localhost:8080")
-	http.ListenAndServe(":8080", nil)
-}