/*
 * Copyright 2017 Google, Inc.
 *
 * 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 com.netflix.spinnaker.echo.pubsub;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;
import java.util.stream.Collectors;

/**
 * Controller for configured pub/sub subscriptions.
 */
@RestController
public class PubsubSubscriptionController {

  @Autowired
  private PubsubSubscribers pubsubSubscribers;

  @RequestMapping(value = "/pubsub/subscriptions", method = RequestMethod.GET)
  List<String> getSubscriptions() {
    return pubsubSubscribers.getAll().stream().map(s -> s.getName()).collect(Collectors.toList());
  }
}

/*
 * Copyright 2017 Google, Inc.
 *
 * 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 com.netflix.spinnaker.echo.pubsub;

import lombok.AllArgsConstructor;
import lombok.Builder;
import lombok.Data;
import lombok.NoArgsConstructor;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import java.util.List;
import java.util.stream.Collectors;

/**
 * Controller for configured pub/sub subscriptions.
 */
@RestController
public class PubsubSubscriptionController {

  @Autowired
  private PubsubSubscribers pubsubSubscribers;

  @RequestMapping(value = "/pubsub/subscriptions", method = RequestMethod.GET)
  List<PubsubSubscriptionBySystem> getSubscriptions() {
    return pubsubSubscribers
        .getAll()
        .stream()
        .map(s -> PubsubSubscriptionBySystem.builder()
          .pubsubSystem(s.pubsubSystem().toString())
          .subscriptionName(s.getName())
          .build())
        .collect(Collectors.toList());
  }

  @Data
  @Builder
  @NoArgsConstructor
  @AllArgsConstructor
  public static class PubsubSubscriptionBySystem {
    private String pubsubSystem;
    private String subscriptionName;
  }
}

Change /pubsub/subscriptions API to return a list of a datatype containing pubsubSystem and subscriptionName fields. (#260)