Define /api handler directly

Using a function returning a closure does not really make sense here.

1 files changed, 15 insertions, 19 deletions

diff --git a/main.go b/main.go
index 48a00a5..511b434 100644
--- a/main.go
+++ b/main.go
@@ -16,7 +16,7 @@ func main() {
 	configPath := parseFlags()
 	c := parseConfig(configPath)
 	http.HandleFunc("/", index(c.Devices))
-	http.HandleFunc("/api", api())
+	http.HandleFunc("/api", api)
 	http.Handle("/static/", http.StripPrefix("/static/",
 		http.FileServer(http.FS(static))))
 	fmt.Printf("Serving at http://%s\n", c.Web.Listen)
@@ -51,26 +51,22 @@ func index(devices DevicesConfig) func(http.ResponseWriter, *http.Request) {
 	}
 }
 
-// api() returns the HTTP handler for the API endpoint.
-func api() func(http.ResponseWriter, *http.Request) {
-	return func(w http.ResponseWriter, r *http.Request) {
-
-		// TODO assert correct HTTP method
+func api(w http.ResponseWriter, r *http.Request) {
+	// TODO assert correct HTTP method
 
-		errHost, host := assertSingleParam(r, "host")
-		errState, state := assertSingleParam(r, "state")
-		if (errHost != nil) || (errState != nil) {
-			http.Error(w,
-				"Provide exactly one host and one state parameter!", 400)
-			return
-		}
+	errHost, host := assertSingleParam(r, "host")
+	errState, state := assertSingleParam(r, "state")
+	if (errHost != nil) || (errState != nil) {
+		http.Error(w,
+			"Provide exactly one host and one state parameter!", 400)
+		return
+	}
 
-		err := set(host, state)
-		if err != nil {
-			http.Error(w, "Could not set WiFi plug.", 500)
-		} else {
-			fmt.Fprint(w, "ok")
-		}
+	err := set(host, state)
+	if err != nil {
+		http.Error(w, "Could not set WiFi plug.", 500)
+	} else {
+		fmt.Fprint(w, "ok")
 	}
 }