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/*
 * Copyright The Stargate Authors
 *
 * 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 io.stargate.graphql.schema.graphqlfirst.fetchers.admin;

import com.datastax.oss.driver.shaded.guava.common.annotations.VisibleForTesting;
import graphql.schema.DataFetchingEnvironment;
import io.stargate.db.datastore.DataStore;
import io.stargate.graphql.persistence.graphqlfirst.SchemaSource;
import io.stargate.graphql.persistence.graphqlfirst.SchemaSourceDao;
import io.stargate.graphql.web.StargateGraphqlContext;
import java.util.List;
import java.util.function.Function;

public class AllSchemasFetcher extends SchemaFetcher> {
  private final Function schemaSourceDaoProvider;

  public AllSchemasFetcher() {
    this(SchemaSourceDao::new);
  }

  @VisibleForTesting
  public AllSchemasFetcher(Function schemaSourceDaoProvider) {
    this.schemaSourceDaoProvider = schemaSourceDaoProvider;
  }

  @Override
  protected List get(
      DataFetchingEnvironment environment, StargateGraphqlContext context) throws Exception {
    String keyspace = getKeyspace(environment, context.getDataStore());

    authorize(context, keyspace);

    return schemaSourceDaoProvider.apply(context.getDataStore()).getAllVersions(keyspace);
  }
}