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// Copyright (C) 2023 The Android Open Source Project
//
// 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.google.gerrit.server.restapi.config;

import static com.google.gerrit.common.data.GlobalCapability.MAINTAIN_SERVER;

import com.google.gerrit.extensions.annotations.RequiresCapability;
import com.google.gerrit.extensions.registration.DynamicMap;
import com.google.gerrit.extensions.restapi.ChildCollection;
import com.google.gerrit.extensions.restapi.IdString;
import com.google.gerrit.extensions.restapi.ResourceNotFoundException;
import com.google.gerrit.extensions.restapi.RestApiException;
import com.google.gerrit.extensions.restapi.RestView;
import com.google.gerrit.index.IndexDefinition;
import com.google.gerrit.server.config.ConfigResource;
import com.google.gerrit.server.config.IndexResource;
import com.google.inject.Inject;
import com.google.inject.Provider;
import com.google.inject.Singleton;
import java.util.Collection;

@RequiresCapability(MAINTAIN_SERVER)
@Singleton
public class IndexCollection implements ChildCollection {
  private final DynamicMap> views;
  private final Provider list;
  private final Collection> defs;

  @Inject
  IndexCollection(
      DynamicMap> views,
      Provider list,
      Collection> defs) {
    this.views = views;
    this.list = list;
    this.defs = defs;
  }

  @Override
  public IndexResource parse(ConfigResource parent, IdString id) throws ResourceNotFoundException {
    String indexName = id.toString();
    for (IndexDefinition def : defs) {
      if (def.getName().equals(indexName)) {
        return new IndexResource(def);
      }
    }
    throw new ResourceNotFoundException("Unknown index requested: " + indexName);
  }

  @Override
  public RestView list() throws RestApiException {
    return list.get();
  }

  @Override
  public DynamicMap> views() {
    return views;
  }
}