| 191 | } |
| 192 | |
| 193 | func (s *nodeService) ServeHTTP(w http.ResponseWriter, r *http.Request) { |
| 194 | vars := mux.Vars(r) |
| 195 | id := vars["id"] |
| 196 | switch r.Method { |
| 197 | case http.MethodGet: |
| 198 | node, err := s.GetNode(r.Context(), id) |
| 199 | if err != nil { |
| 200 | http.Error(w, err.Error(), http.StatusNotFound) |
| 201 | return |
| 202 | } |
| 203 | json.NewEncoder(w).Encode(node) |
| 204 | case http.MethodPost: |
| 205 | var node Node |
| 206 | if err := json.NewDecoder(r.Body).Decode(&node); err != nil { |
| 207 | http.Error(w, err.Error(), http.StatusBadRequest) |
| 208 | return |
| 209 | } |
| 210 | if err := s.CreateNode(r.Context(), &node); err != nil { |
| 211 | http.Error(w, err.Error(), http.StatusInternalServerError) |
| 212 | return |
| 213 | } |
| 214 | w.WriteHeader(http.StatusCreated) |
| 215 | case http.MethodPut: |
| 216 | var node Node |
| 217 | if err := json.NewDecoder(r.Body).Decode(&node); err != nil { |
| 218 | http.Error(w, err.Error(), http.StatusBadRequest) |
| 219 | return |
| 220 | } |
| 221 | if err := s.UpdateNode(r.Context(), &node); err != nil { |
| 222 | http.Error(w, err.Error(), http.StatusInternalServerError) |
| 223 | return |
| 224 | } |
| 225 | case http.MethodDelete: |
| 226 | if err := s.DeleteNode(r.Context(), id); err != nil { |
| 227 | http.Error(w, err.Error(), http.StatusInternalServerError) |
| 228 | return |
| 229 | } |
| 230 | w.WriteHeader(http.StatusNoContent) |
| 231 | default: |
| 232 | http.Error(w, "Method not allowed", http.StatusMethodNotAllowed) |
| 233 | } |
| 234 | } |