content: /*
   * Copyright 2024-2025 the original author or 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
   *
   *      https://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.alibaba.cloud.ai.dashscope.rag;
  
  import com.alibaba.cloud.ai.dashscope.api.DashScopeApi;
  import com.alibaba.cloud.ai.dashscope.common.DashScopeException;
  import org.springframework.ai.document.Document;
  import org.springframework.ai.rag.Query;
  import org.springframework.ai.rag.retrieval.search.DocumentRetriever;
  import org.springframework.util.Assert;
  
  import java.util.List;
  
  /**
   * @author nuocheng.lxm
   * @since 2024/8/5 14:42
   */
  public class DashScopeDocumentRetriever implements DocumentRetriever {
  
  	private final DashScopeDocumentRetrieverOptions options;
  
  	private final DashScopeApi dashScopeApi;
  
  	public DashScopeDocumentRetriever(DashScopeApi dashScopeApi, DashScopeDocumentRetrieverOptions options) {
  		Assert.notNull(options, "RetrieverOptions must not be null");
  		Assert.notNull(options.getIndexName(), "IndexName must not be null");
  		this.options = options;
  		this.dashScopeApi = dashScopeApi;
  	}
  
  	@Override
  	public List<Document> retrieve(Query query) {
  		String pipelineId = dashScopeApi.getPipelineIdByName(options.getIndexName());
  		if (pipelineId == null) {
  			throw new DashScopeException("Index:" + options.getIndexName() + " NotExist");
  		}
  		List<Document> documentList = dashScopeApi.retriever(pipelineId, query.text(), options);
  		return documentList;
  	}
  
  }
  