src/main/java/org/onap/nbi/apis/hub/HubResource.java

   1 /**
   2  * Copyright (c) 2018 Orange
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with
   5  * the License. You may obtain a copy of the License at
   6  *
   7  * http://www.apache.org/licenses/LICENSE-2.0
   8  *
   9  * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on
  10  * an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the
  11  * specific language governing permissions and limitations under the License.
  12  */
  13 package org.onap.nbi.apis.hub;
  14
  15 import java.net.URI;
  16 import java.util.List;
  17 import java.util.Optional;
  18 import java.util.stream.Collectors;
  19 import org.onap.nbi.apis.hub.model.Subscriber;
  20 import org.onap.nbi.apis.hub.model.Subscription;
  21 import org.onap.nbi.apis.hub.service.SubscriptionService;
  22 import org.onap.nbi.commons.JsonRepresentation;
  23 import org.onap.nbi.commons.MultiCriteriaRequestBuilder;
  24 import org.onap.nbi.commons.ResourceManagement;
  25 import org.slf4j.Logger;
  26 import org.slf4j.LoggerFactory;
  27 import org.springframework.beans.factory.annotation.Autowired;
  28 import org.springframework.data.mongodb.core.MongoTemplate;
  29 import org.springframework.data.mongodb.core.query.Query;
  30 import org.springframework.http.HttpHeaders;
  31 import org.springframework.http.HttpStatus;
  32 import org.springframework.http.MediaType;
  33 import org.springframework.http.ResponseEntity;
  34 import org.springframework.scheduling.annotation.EnableScheduling;
  35 import org.springframework.util.MultiValueMap;
  36 import org.springframework.web.bind.annotation.DeleteMapping;
  37 import org.springframework.web.bind.annotation.GetMapping;
  38 import org.springframework.web.bind.annotation.PathVariable;
  39 import org.springframework.web.bind.annotation.PostMapping;
  40 import org.springframework.web.bind.annotation.RequestBody;
  41 import org.springframework.web.bind.annotation.RequestMapping;
  42 import org.springframework.web.bind.annotation.RequestParam;
  43 import org.springframework.web.bind.annotation.ResponseStatus;
  44 import org.springframework.web.bind.annotation.RestController;
  45 import org.springframework.web.servlet.support.ServletUriComponentsBuilder;
  46
  47 @RestController
  48 @RequestMapping("/hub")
  49 @EnableScheduling
  50 public class HubResource extends ResourceManagement {
  51
  52     Logger logger = LoggerFactory.getLogger(HubResource.class);
  53
  54     @Autowired
  55     MongoTemplate mongoTemplate;
  56
  57     @Autowired
  58     SubscriptionService subscriptionService;
  59
  60     @Autowired
  61     MultiCriteriaRequestBuilder multiCriteriaRequestBuilder;
  62
  63     @PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE)
  64     public ResponseEntity<Object> createEventSubscription(@RequestBody Subscription subscription,
  65         @RequestParam MultiValueMap<String, String> params) {
  66         logger.debug("POST request for subscription : {}", subscription);
  67         Subscriber subscriber = subscriptionService.createSubscription(subscription);
  68         JsonRepresentation filter = new JsonRepresentation(params);
  69         return this.createResponse(Subscription.createFromSubscriber(subscriber), filter);
  70
  71     }
  72
  73     @GetMapping(value = "/{subscriptionId}", produces = MediaType.APPLICATION_JSON_VALUE)
  74     public ResponseEntity<Subscription> getSubscription(@PathVariable String subscriptionId) {
  75
  76
  77         Optional<Subscriber> optionalSubscriber = subscriptionService.findSubscriptionById(subscriptionId);
  78         if (!optionalSubscriber.isPresent()) {
  79             return ResponseEntity.notFound().build();
  80         }
  81         return ResponseEntity.ok(Subscription.createFromSubscriber(optionalSubscriber.get()));
  82     }
  83
  84     @GetMapping(value = "", produces = MediaType.APPLICATION_JSON_VALUE)
  85     public ResponseEntity<Object> findSubscribers(@RequestParam MultiValueMap<String, String> params) {
  86
  87         Query query = multiCriteriaRequestBuilder.buildRequest(params);
  88         List<Subscriber> subscribers = mongoTemplate.find(query, Subscriber.class);
  89         JsonRepresentation filter = new JsonRepresentation(params);
  90         long totalCount = subscriptionService.countSubscription();
  91         HttpHeaders headers = new HttpHeaders();
  92         headers.add("X-Total-Count", String.valueOf(totalCount));
  93         headers.add("X-Result-Count", String.valueOf(subscribers.size()));
  94         List<Subscription> subscriptions = subscribers.stream()
  95             .map(Subscription::createFromSubscriber)
  96             .collect(Collectors.toList());
  97
  98         return this.findResponse(subscriptions, filter, headers);
  99
 100     }
 101
 102     @DeleteMapping("/{subscriptionId}")
 103     @ResponseStatus(HttpStatus.NO_CONTENT)
 104     public void deleteSubscription(@PathVariable String subscriptionId) {
 105         logger.debug("DELETE request for subscription id #{}", subscriptionId);
 106         subscriptionService.deleteSubscription(subscriptionId);
 107     }
 108 }