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 java.util.Optional;
  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.repository.SubscriberRepository;
  22 import org.onap.nbi.exceptions.ValidationException;
  23 import org.springframework.beans.factory.annotation.Autowired;
  24 import org.springframework.data.domain.Example;
  25 import org.springframework.stereotype.Service;
  26 import org.springframework.validation.ObjectError;
  27
  28 @Service
  29 public class SubscriptionService {
  30
  31     @Autowired
  32     SubscriberRepository subscriberRepository;
  33
  34     public Optional<Subscriber> findSubscriptionById(String subscriptionId) {
  35         return subscriberRepository.findById(subscriptionId);
  36     }
  37
  38     public Subscriber createSubscription(Subscription subscription) {
  39         subscription.setId(null);
  40         Subscriber subscriber = Subscriber.createFromSubscription(subscription);
  41         if (isSubscriberAlreadyExisting(subscriber)) {
  42             String message = MessageFormat
  43                 .format("subscription with callback {0} and query {1} already exists", subscription.getCallback(),
  44                     subscription.getQuery());
  45             ObjectError error = new ObjectError("subscription", message);
  46             List<ObjectError> errors = Lists.newArrayList(error);
  47             throw new ValidationException(errors);
  48         } else {
  49             return subscriberRepository.save(subscriber);
  50         }
  51     }
  52
  53     private boolean isSubscriberAlreadyExisting(Subscriber subscriber) {
  54         Example<Subscriber> subscriberExample = Example.of(subscriber);
  55         Optional<Subscriber> subscriberAlreadyExisting = subscriberRepository.findOne(subscriberExample);
  56         return subscriberAlreadyExisting.isPresent();
  57     }
  58
  59     public void deleteSubscription(String subscriptionId) {
  60         subscriberRepository.deleteById(subscriptionId);
  61     }
  62
  63     public void deleteAll() {
  64         subscriberRepository.deleteAll();
  65     }
  66
  67     public long countSubscription() {
  68         return subscriberRepository.count();
  69     }
  70
  71 }