seperate routes, provide robust handler types, use mux

server/ctrlbase/ctrl.go

@@ -0,0 +1,36 @@
+package ctrlbase
+
+import (
+	"log"
+	"net/http"
+
+	"senan.xyz/g/gonic/db"
+)
+
+type Controller struct {
+	DB        *db.DB
+	MusicPath string
+}
+
+func (c *Controller) WithLogging(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		log.Printf("connection from `%s` for `%s`", r.RemoteAddr, r.URL)
+		next.ServeHTTP(w, r)
+	})
+}
+
+func (c *Controller) WithCORS(next http.Handler) http.Handler {
+	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Access-Control-Allow-Origin", "*")
+		w.Header().Set("Access-Control-Allow-Methods",
+			"POST, GET, OPTIONS, PUT, DELETE",
+		)
+		w.Header().Set("Access-Control-Allow-Headers",
+			"Accept, Content-Type, Content-Length, Accept-Encoding, X-CSRF-Token, Authorization",
+		)
+		if r.Method == "OPTIONS" {
+			return
+		}
+		next.ServeHTTP(w, r)
+	})
+}