src/main/java/org/onap/nbi/apis/hub/service/SubscriptionService.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.service;
  14
  15 import com.google.common.collect.Lists;
  16 import java.text.MessageFormat;
  17 import java.util.List;
  18 import org.onap.nbi.apis.hub.model.Subscriber;
  19 import org.onap.nbi.apis.hub.model.Subscription;
  20 import org.onap.nbi.apis.hub.repository.SubscriberRepository;
  21 import org.onap.nbi.exceptions.ValidationException;
  22 import org.springframework.beans.factory.annotation.Autowired;
  23 import org.springframework.data.domain.Example;
  24 import org.springframework.stereotype.Service;
  25 import org.springframework.validation.ObjectError;
  26
  27 @Service
  28 public class SubscriptionService {
  29
  30     @Autowired
  31     SubscriberRepository subscriberRepository;
  32
  33     public Subscriber findSubscriptionById(String subscriptionId) {
  34         return subscriberRepository.findOne(subscriptionId);
  35     }
  36
  37     public Subscriber createSubscription(Subscription subscription) {
  38         subscription.setId(null);
  39         Subscriber subscriber = Subscriber.createFromSubscription(subscription);
  40         if (isSubscriberAlreadyExisting(subscriber)) {
  41             String message = MessageFormat
  42                 .format("subscription with callback {0} and query {1} already exists", subscription.getCallback(),
  43                     subscription.getQuery());
  44             ObjectError error = new ObjectError("subscription", message);
  45             List<ObjectError> errors = Lists.newArrayList(error);
  46             throw new ValidationException(errors);
  47         } else {
  48             return subscriberRepository.save(subscriber);
  49         }
  50     }
  51
  52     private boolean isSubscriberAlreadyExisting(Subscriber subscriber) {
  53         Example<Subscriber> subscriberExample = Example.of(subscriber);
  54         Subscriber subscriberAlreadyExisting = subscriberRepository.findOne(subscriberExample);
  55         return subscriberAlreadyExisting != null;
  56     }
  57
  58     public void deleteSubscription(String subscriptionId) {
  59         subscriberRepository.delete(subscriptionId);
  60     }
  61
  62     public void deleteAll() {
  63         subscriberRepository.deleteAll();
  64     }
  65
  66     public long countSubscription() {
  67         return subscriberRepository.count();
  68     }
  69
  70 }