feat: add backend

internal/http/encoder.go

@@ -0,0 +1,26 @@
+package http
+
+import (
+	"context"
+	"encoding/json"
+	"net/http"
+)
+
+type encoder struct {
+}
+
+func (e encoder) StatusResponse(ctx context.Context, w http.ResponseWriter, response interface{}, status int) {
+	if response != nil {
+		w.Header().Set("Content-Type", "application/json; charset=utf=8")
+		w.WriteHeader(status)
+		if err := json.NewEncoder(w).Encode(response); err != nil {
+			// log err
+		}
+	} else {
+		w.WriteHeader(status)
+	}
+}
+
+func (e encoder) StatusNotFound(ctx context.Context, w http.ResponseWriter) {
+	w.WriteHeader(http.StatusNotFound)
+}