content: /*
   * Copyright (C) 2012-2023 52°North Spatial Information Research GmbH
   *
   * This program is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 as published
   * by the Free Software Foundation.
   *
   * If the program is linked with libraries which are licensed under one of
   * the following licenses, the combination of the program with the linked
   * library is not considered a "derivative work" of the program:
   *
   *     - Apache License, version 2.0
   *     - Apache Software License, version 1.0
   *     - GNU Lesser General Public License, version 3
   *     - Mozilla Public License, versions 1.0, 1.1 and 2.0
   *     - Common Development and Distribution License (CDDL), version 1.0
   *
   * Therefore the distribution of the program linked with libraries licensed
   * under the aforementioned licenses, is permitted by the copyright holders
   * if the distribution is compliant with both the GNU General Public
   * License version 2 and the aforementioned licenses.
   *
   * This program is distributed in the hope that it will be useful, but
   * WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General
   * Public License for more details.
   */
  package org.n52.sos.web.admin;
  
  import java.io.IOException;
  import java.util.Collection;
  import java.util.Map;
  import java.util.Map.Entry;
  
  import javax.inject.Inject;
  
  import org.n52.faroe.ConfigurationError;
  import org.n52.iceland.ds.ConnectionProviderException;
  import org.n52.iceland.exception.JSONException;
  import org.n52.iceland.ogc.ows.extension.OwsOperationMetadataExtensionProviderKey;
  import org.n52.iceland.ogc.ows.extension.OwsOperationMetadataExtensionProviderRepository;
  import org.n52.janmayen.Json;
  import org.n52.shetland.ogc.ows.service.OwsServiceKey;
  import org.n52.sos.ogc.sos.SosObservationOfferingExtensionKey;
  import org.n52.sos.ogc.sos.SosObservationOfferingExtensionRepository;
  import org.n52.sos.web.common.ControllerConstants;
  import org.n52.sos.web.common.JSONConstants;
  import org.springframework.http.HttpStatus;
  import org.springframework.stereotype.Controller;
  import org.springframework.web.bind.annotation.ExceptionHandler;
  import org.springframework.web.bind.annotation.RequestBody;
  import org.springframework.web.bind.annotation.RequestMapping;
  import org.springframework.web.bind.annotation.RequestMethod;
  import org.springframework.web.bind.annotation.ResponseBody;
  import org.springframework.web.bind.annotation.ResponseStatus;
  
  import com.fasterxml.jackson.databind.JsonNode;
  import com.fasterxml.jackson.databind.node.ArrayNode;
  import com.fasterxml.jackson.databind.node.ObjectNode;
  
  /**
   * Admin controller for extensions
   *
   * @author <a href="mailto:c.hollmann@52north.org">Carsten Hollmann</a>
   * @since 4.1.0
   *
   */
  @Controller
  public class AdminExtensionController extends AbstractAdminController {
  
      @Inject
      private SosObservationOfferingExtensionRepository offeringExtensionRepository;
  
      @Inject
      private OwsOperationMetadataExtensionProviderRepository owsExtendedCapabilitiesProviderRepository;
  
      @ResponseBody
      @ExceptionHandler(JSONException.class)
      @ResponseStatus(HttpStatus.BAD_REQUEST)
      public String onJSONException(JSONException e) {
          return e.getMessage();
      }
  
      @ResponseBody
      @ExceptionHandler(ConnectionProviderException.class)
      @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
      public String onConnectionProviderException(ConnectionProviderException e) {
          return e.getMessage();
      }
  
      @RequestMapping(value = ControllerConstants.Paths.ADMIN_EXTENSIONS, method = RequestMethod.GET)
      public String view() throws ConnectionProviderException {
          return ControllerConstants.Views.ADMIN_EXTENSIONS;
      }
  
      @ResponseBody
      @RequestMapping(value = ControllerConstants.Paths.ADMIN_EXTENSIONS_JSON_ENDPOINT,
                      method = RequestMethod.GET,
                      produces = ControllerConstants.MEDIA_TYPE_APPLICATION_JSON)
      public String getAll() throws JSONException, ConnectionProviderException {
          ObjectNode node = Json.nodeFactory().objectNode();
          node.set(JSONConstants.EXTENDED_CAPABILITIES_EXTENSION_KEY, getExtendedCapabilitiesExtensions());
          node.set(JSONConstants.OFFERING_EXTENSION_EXTENSION_KEY, getOfferingExtensionExtensions());
          return Json.print(node);
      }
  
      @ResponseBody
      @RequestMapping(value = ControllerConstants.Paths.ADMIN_EXTENSIONS_JSON_ENDPOINT,
                      method = RequestMethod.POST,
                      consumes = ControllerConstants.MEDIA_TYPE_APPLICATION_JSON)
      public void change(@RequestBody String request) throws JSONException, ConnectionProviderException, IOException {
          JsonNode json = Json.loadString(request);
  
          if (json.has(JSONConstants.EXTENDED_CAPABILITIES_DOMAIN_KEY)) {
              OwsServiceKey sokt = new OwsServiceKey(json.path(JSONConstants.SERVICE_KEY).asText(),
                      json.path(JSONConstants.VERSION_KEY).asText());
              OwsOperationMetadataExtensionProviderKey oeckt = new OwsOperationMetadataExtensionProviderKey(sokt,
                      json.path(JSONConstants.EXTENDED_CAPABILITIES_DOMAIN_KEY).asText());
              this.owsExtendedCapabilitiesProviderRepository.setActive(oeckt,
                      json.path(JSONConstants.ACTIVE_KEY).asBoolean());
          } else if (json.has(JSONConstants.OFFERING_EXTENSION_DOMAIN_KEY)) {
              OwsServiceKey sokt = new OwsServiceKey(json.path(JSONConstants.SERVICE_KEY).asText(),
                      json.path(JSONConstants.VERSION_KEY).asText());
              SosObservationOfferingExtensionKey oekt = new SosObservationOfferingExtensionKey(sokt,
                      json.path(JSONConstants.OFFERING_EXTENSION_DOMAIN_KEY).asText());
              this.offeringExtensionRepository.setActive(oekt, json.path(JSONConstants.ACTIVE_KEY).asBoolean());
          } else {
              throw new JSONException("Invalid JSON");
          }
      }
  
      protected ArrayNode getExtendedCapabilitiesExtensions()
              throws ConnectionProviderException, ConfigurationError, JSONException {
          ArrayNode jeces = Json.nodeFactory().arrayNode();
          Map<OwsServiceKey, Collection<String>> oes = this.owsExtendedCapabilitiesProviderRepository.getAllDomains();
          for (Entry<OwsServiceKey, Collection<String>> entry : oes.entrySet()) {
              for (String name : entry.getValue()) {
                  OwsOperationMetadataExtensionProviderKey oeckt =
                          new OwsOperationMetadataExtensionProviderKey(entry.getKey(), name);
                  jeces.addObject().put(JSONConstants.SERVICE_KEY, oeckt.getService())
                          .put(JSONConstants.VERSION_KEY, oeckt.getVersion())
                          .put(JSONConstants.EXTENDED_CAPABILITIES_DOMAIN_KEY, oeckt.getDomain())
                          .put(JSONConstants.ACTIVE_KEY, this.owsExtendedCapabilitiesProviderRepository.isActive(oeckt));
              }
          }
          return jeces;
      }
  
      protected ArrayNode getOfferingExtensionExtensions()
              throws JSONException, ConnectionProviderException, ConfigurationError {
          ArrayNode joes = Json.nodeFactory().arrayNode();
          final Map<OwsServiceKey, Collection<String>> oes = this.offeringExtensionRepository.getAllDomains();
          for (Entry<OwsServiceKey, Collection<String>> entry : oes.entrySet()) {
              for (String name : entry.getValue()) {
                  SosObservationOfferingExtensionKey oekt = new SosObservationOfferingExtensionKey(entry.getKey(), name);
                  joes.addObject().put(JSONConstants.SERVICE_KEY, oekt.getService())
                          .put(JSONConstants.VERSION_KEY, oekt.getVersion())
                          .put(JSONConstants.OFFERING_EXTENSION_DOMAIN_KEY, oekt.getDomain())
                          .put(JSONConstants.ACTIVE_KEY, this.offeringExtensionRepository.isActive(oekt));
              }
          }
          return joes;
      }
  
  }
  