first commit

internal/httpx/response.go

@@ -0,0 +1,36 @@
+package httpx
+
+import (
+	"encoding/json"
+	"errors"
+	"net/http"
+
+	"secunda-test/internal/service"
+)
+
+func WriteJSON(w http.ResponseWriter, status int, v any) {
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(status)
+	_ = json.NewEncoder(w).Encode(v)
+}
+
+func WriteError(w http.ResponseWriter, status int, message string) {
+	WriteJSON(w, status, map[string]string{"error": message})
+}
+
+func StatusFromError(err error) int {
+	switch {
+	case errors.Is(err, service.ErrUnauthorized):
+		return http.StatusUnauthorized
+	case errors.Is(err, service.ErrForbidden):
+		return http.StatusForbidden
+	case errors.Is(err, service.ErrNotFound):
+		return http.StatusNotFound
+	case errors.Is(err, service.ErrBadRequest):
+		return http.StatusBadRequest
+	case errors.Is(err, service.ErrConflict):
+		return http.StatusConflict
+	default:
+		return http.StatusInternalServerError
+	}
+}