Created a centrilized operations handler

This allows all the requests to submit for an operation to be performed.
This will allow later versions to better handle various operations and
concurrency.

src/viddown.go

@@ -39,27 +39,45 @@ const template = `
 	</body>
 </html>
 `
+type ops struct{
+	URL string
+	Res chan string
+}
 
 var config struct{
 	saveLocation string
 }
+var opsc = make(chan ops)
 
 func handleRequest (w http.ResponseWriter, r *http.Request) {
 	if r.Method == http.MethodGet{
 		log.Print("New Get request")
 	}else if r.Method == http.MethodPost {
 		r.ParseForm()
-		downloadVid(r)
+		go func() {
+			var o ops
+			o.URL = r.FormValue("URL")
+			opsc <- o
+		} ()
 	} else{
 	}
 	io.WriteString (w,template)
 }
 
 func downloadVid (r *http.Request) {
-	cmd := exec.Command("youtube-dl", r.FormValue("URL"))
-	cmd.Dir = config.saveLocation
-	log.Print(cmd.String())
-	cmd.Start()
+}
+
+func operationHandler(){
+	for true {
+		o := <- opsc
+		log.Print("Start Downloading: " + o.URL)
+		go func() {
+			cmd := exec.Command("youtube-dl", o.URL)
+			cmd.Dir = config.saveLocation
+			cmd.Start()
+			}()
+	}
+	log.Fatal("Exited operationsHandler")
 }
 
 func main () {
@@ -69,6 +87,8 @@ func main () {
 		config.saveLocation = os.Getenv("VIDDOWNLOC")
 	}
 
+	go operationHandler()
+
 	handler := http.HandlerFunc(handleRequest)
 	http.Handle("/",handler)
 	log.Printf("Starting server on 8080")