feat(api): chi-роутер, check/apply хендлеры, changeset DTO

internal/api/handlers.go

@@ -0,0 +1,56 @@
+package api
+
+import (
+	"encoding/json"
+	"net/http"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+
+	"github.com/vasyakrg/dns-autoresolver/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 writeErr(w http.ResponseWriter, status int, msg string) {
+	writeJSON(w, status, map[string]string{"error": msg})
+}
+
+func (a *API) handleCheck(w http.ResponseWriter, r *http.Request) {
+	did, err := uuid.Parse(chi.URLParam(r, "did"))
+	if err != nil {
+		writeErr(w, http.StatusBadRequest, "invalid domain id")
+		return
+	}
+	cs, err := a.Svc.Check(r.Context(), did)
+	if err != nil {
+		writeErr(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, toChangesetResponse(cs))
+}
+
+func (a *API) handleApply(w http.ResponseWriter, r *http.Request) {
+	did, err := uuid.Parse(chi.URLParam(r, "did"))
+	if err != nil {
+		writeErr(w, http.StatusBadRequest, "invalid domain id")
+		return
+	}
+	var req applyRequest
+	if r.Body != nil {
+		// пустое тело допустимо → значения по умолчанию (prune=false)
+		_ = json.NewDecoder(r.Body).Decode(&req)
+	}
+	cs, err := a.Svc.Apply(r.Context(), did, service.ApplyRequest{
+		ApplyUpdates: req.ApplyUpdates, ApplyPrunes: req.ApplyPrunes,
+	})
+	if err != nil {
+		writeErr(w, http.StatusInternalServerError, err.Error())
+		return
+	}
+	writeJSON(w, http.StatusOK, toChangesetResponse(cs))
+}