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
   5  * in compliance with 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
  10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
  11  * or implied. See the License for the specific language governing permissions and limitations under
  12  * the License.
  13  */
  14 package org.onap.nbi.apis.hub;
  15
  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.CheckDMaaPEventsManager;
  22 import org.onap.nbi.apis.hub.service.SubscriptionService;
  23 import org.onap.nbi.commons.JsonRepresentation;
  24 import org.onap.nbi.commons.MultiCriteriaRequestBuilder;
  25 import org.onap.nbi.commons.ResourceManagement;
  26 import org.slf4j.Logger;
  27 import org.slf4j.LoggerFactory;
  28 import org.springframework.beans.factory.annotation.Autowired;
  29 import org.springframework.data.mongodb.core.MongoTemplate;
  30 import org.springframework.data.mongodb.core.query.Query;
  31 import org.springframework.http.HttpHeaders;
  32 import org.springframework.http.HttpStatus;
  33 import org.springframework.http.MediaType;
  34 import org.springframework.http.ResponseEntity;
  35 import org.springframework.scheduling.annotation.EnableScheduling;
  36 import org.springframework.util.MultiValueMap;
  37 import org.springframework.web.bind.annotation.DeleteMapping;
  38 import org.springframework.web.bind.annotation.GetMapping;
  39 import org.springframework.web.bind.annotation.PathVariable;
  40 import org.springframework.web.bind.annotation.PostMapping;
  41 import org.springframework.web.bind.annotation.RequestBody;
  42 import org.springframework.web.bind.annotation.RequestMapping;
  43 import org.springframework.web.bind.annotation.RequestParam;
  44 import org.springframework.web.bind.annotation.ResponseStatus;
  45 import org.springframework.web.bind.annotation.RestController;
  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   @Autowired
  64   CheckDMaaPEventsManager checkDMaaPEventMAnager;
  65
  66   @PostMapping(consumes = MediaType.APPLICATION_JSON_VALUE)
  67   public ResponseEntity<Object> createEventSubscription(@RequestBody Subscription subscription,
  68       @RequestParam MultiValueMap<String, String> params) {
  69     logger.debug("POST request for subscription : {}", subscription);
  70     Subscriber subscriber = subscriptionService.createSubscription(subscription);
  71     JsonRepresentation filter = new JsonRepresentation(params);
  72     return this.createResponse(Subscription.createFromSubscriber(subscriber), filter);
  73
  74   }
  75
  76   @GetMapping(value = "/{subscriptionId}", produces = MediaType.APPLICATION_JSON_VALUE)
  77   public ResponseEntity<Subscription> getSubscription(@PathVariable String subscriptionId) {
  78
  79
  80     Optional<Subscriber> optionalSubscriber =
  81         subscriptionService.findSubscriptionById(subscriptionId);
  82     if (!optionalSubscriber.isPresent()) {
  83       return ResponseEntity.notFound().build();
  84     }
  85     return ResponseEntity.ok(Subscription.createFromSubscriber(optionalSubscriber.get()));
  86   }
  87
  88   @GetMapping(value = "", produces = MediaType.APPLICATION_JSON_VALUE)
  89   public ResponseEntity<Object> findSubscribers(
  90       @RequestParam MultiValueMap<String, String> params) {
  91
  92     Query query = multiCriteriaRequestBuilder.buildRequest(params);
  93     List<Subscriber> subscribers = mongoTemplate.find(query, Subscriber.class);
  94     JsonRepresentation filter = new JsonRepresentation(params);
  95     long totalCount = subscriptionService.countSubscription();
  96     HttpHeaders headers = new HttpHeaders();
  97     headers.add("X-Total-Count", String.valueOf(totalCount));
  98     headers.add("X-Result-Count", String.valueOf(subscribers.size()));
  99     List<Subscription> subscriptions =
 100         subscribers.stream().map(Subscription::createFromSubscriber).collect(Collectors.toList());
 101
 102     return this.findResponse(subscriptions, filter, headers);
 103
 104   }
 105
 106   /*
 107    * Resource to test for DMaaP Integration for subscribing to AAI-EVENTs
 108    */
 109   @GetMapping("/testaaievents")
 110   @ResponseStatus(HttpStatus.OK)
 111   public void testAAIEventListener() {
 112     checkDMaaPEventMAnager.checkForDMaaPAAIEvents();
 113   }
 114
 115   @DeleteMapping("/{subscriptionId}")
 116   @ResponseStatus(HttpStatus.NO_CONTENT)
 117   public void deleteSubscription(@PathVariable String subscriptionId) {
 118     logger.debug("DELETE request for subscription id #{}", subscriptionId);
 119     subscriptionService.deleteSubscription(subscriptionId);
 120   }
 121
 122 }