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/**
* Copyright (c) 2018 Orange
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package org.onap.nbi.apis.hub;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Optional;
import java.util.stream.Collectors;
import org.onap.nbi.OnapComponentsUrlPaths;
import org.onap.nbi.apis.hub.model.Subscriber;
import org.onap.nbi.apis.hub.model.Subscription;
import org.onap.nbi.apis.hub.service.dmaap.CheckDMaaPEventsManager;
import org.onap.nbi.apis.hub.service.SubscriptionService;
import org.onap.nbi.commons.EWInterfaceUtils;
import org.onap.nbi.commons.JsonRepresentation;
import org.onap.nbi.commons.MultiCriteriaRequestBuilder;
import org.onap.nbi.commons.ResourceManagement;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.MediaType;
import org.springframework.http.ResponseEntity;
import org.springframework.scheduling.annotation.EnableScheduling;
import org.springframework.util.MultiValueMap;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestHeader;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.bind.annotation.RestController;
@RestController
@RequestMapping(OnapComponentsUrlPaths.HUB_PATH)
@EnableScheduling
public class HubResource extends ResourceManagement {
Logger logger = LoggerFactory.getLogger(HubResource.class);
@Autowired
MongoTemplate mongoTemplate;
@Autowired
SubscriptionService subscriptionService;
@Autowired
MultiCriteriaRequestBuilder multiCriteriaRequestBuilder;
@Autowired
CheckDMaaPEventsManager checkDMaaPEventMAnager;
@Autowired
EWInterfaceUtils ewInterfaceUtils;
@Value("${nbi.public.url}")
private String nbiPublicUrl;
@PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<Object> createEventSubscription(@RequestBody Subscription subscription,
@RequestParam MultiValueMap<String, String> params, @RequestHeader(value="Target",required = false)String targetUrl) {
logger.debug("POST request for subscription : {}", subscription);
if (targetUrl != null) {
targetUrl = targetUrl + OnapComponentsUrlPaths.HUB_PATH;
String originalCallback = subscription.getCallback();
subscription.setCallback(nbiPublicUrl + OnapComponentsUrlPaths.LISTENER_PATH);
ResponseEntity ewResponse = ewInterfaceUtils.callPostRequestTarget(subscription, targetUrl);
if (ewResponse.getStatusCode() == HttpStatus.CREATED) {
subscription.setCallback(originalCallback);
subscription.setEwHost(targetUrl);
subscription.setEwId(((LinkedHashMap)ewResponse.getBody()).get( "id" ).toString());
} else {
return ewResponse;
}
}
Subscriber subscriber = subscriptionService.createSubscription(subscription);
JsonRepresentation filter = new JsonRepresentation(params);
return this.createResponse(Subscription.createFromSubscriber(subscriber), filter);
}
@GetMapping(value = "/{subscriptionId}", produces = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<Subscription> getSubscription(@PathVariable String subscriptionId) {
Optional<Subscriber> optionalSubscriber =
subscriptionService.findSubscriptionById(subscriptionId);
if (!optionalSubscriber.isPresent()) {
return ResponseEntity.notFound().build();
}
return ResponseEntity.ok(Subscription.createFromSubscriber(optionalSubscriber.get()));
}
@GetMapping(value = "", produces = MediaType.APPLICATION_JSON_VALUE)
public ResponseEntity<Object> findSubscribers(
@RequestParam MultiValueMap<String, String> params) {
Query query = multiCriteriaRequestBuilder.buildRequest(params);
List<Subscriber> subscribers = mongoTemplate.find(query, Subscriber.class);
JsonRepresentation filter = new JsonRepresentation(params);
long totalCount = subscriptionService.countSubscription();
HttpHeaders headers = new HttpHeaders();
headers.add("X-Total-Count", String.valueOf(totalCount));
headers.add("X-Result-Count", String.valueOf(subscribers.size()));
List<Subscription> subscriptions =
subscribers.stream().map(Subscription::createFromSubscriber).collect(Collectors.toList());
return this.findResponse(subscriptions, filter, headers);
}
/*
* Resource to test for DMaaP Integration for subscribing to AAI-EVENTs
*/
@GetMapping("/testaaievents")
@ResponseStatus(HttpStatus.OK)
public void testAAIEventListener() {
checkDMaaPEventMAnager.checkForDMaaPAAIEvents();
}
@DeleteMapping("/{subscriptionId}")
@ResponseStatus(HttpStatus.NO_CONTENT)
public void deleteSubscription(@PathVariable String subscriptionId) {
logger.debug("DELETE request for subscription id #{}", subscriptionId);
Optional<Subscriber> optionalSubscriber= subscriptionService.findSubscriptionById(subscriptionId);
subscriptionService.deleteSubscription(subscriptionId);
String ewHost=optionalSubscriber.get().getEwHost();
String ewId=optionalSubscriber.get().getEwId();
logger.info("POST delete for ewHost : {}", ewHost);
logger.info("POST delete for ewId : {}", ewId);
if ( ewHost !=null && ewId !=null )
{
logger.info("POST deleteIF for ewHost : {}", ewHost);
String targetUrl = ewHost+ "/" + ewId;
ewInterfaceUtils.callDeleteRequestTarget(targetUrl);
logger.info("POST deleteIF for ewHost is : {}", targetUrl);
}
}
}
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