first round of files

internal/api/handlers/ws.go

@@ -0,0 +1,35 @@
+package handlers
+
+import (
+	"net/http"
+
+	"nhooyr.io/websocket"
+	"nhooyr.io/websocket/wsjson"
+)
+
+type WSHandler struct{}
+
+func NewWSHandler() *WSHandler {
+	return &WSHandler{}
+}
+
+func (h *WSHandler) Hub(w http.ResponseWriter, r *http.Request) {
+	conn, err := websocket.Accept(w, r, &websocket.AcceptOptions{
+		OriginPatterns: []string{"localhost:*"},
+	})
+	if err != nil {
+		return
+	}
+	defer conn.CloseNow()
+
+	ctx := r.Context()
+	for {
+		var msg map[string]any
+		if err := wsjson.Read(ctx, conn, &msg); err != nil {
+			break
+		}
+		if err := wsjson.Write(ctx, conn, msg); err != nil {
+			break
+		}
+	}
+}