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.chat.observation;
  
  import java.util.List;
  import java.util.Objects;
  
  import com.alibaba.cloud.ai.dashscope.chat.DashScopeChatOptions;
  import com.fasterxml.jackson.databind.ObjectMapper;
  import io.micrometer.common.KeyValue;
  import io.micrometer.common.KeyValues;
  
  import org.springframework.ai.chat.observation.ChatModelObservationContext;
  import org.springframework.ai.chat.observation.ChatModelObservationDocumentation;
  import org.springframework.ai.chat.observation.DefaultChatModelObservationConvention;
  import org.springframework.util.CollectionUtils;
  
  /**
   * Dashscope conventions to populate observations for chat model operations.
   *
   * @author Lumian
   * @since 1.0.0
   */
  public class DashScopeChatModelObservationConvention extends DefaultChatModelObservationConvention {
  
  	private static final String ILLEGAL_STOP_CONTENT = "<illegal_stop_content>";
  
  	private final ObjectMapper objectMapper = new ObjectMapper();
  
  	// Request
  	@Override
  	protected KeyValues requestStopSequences(KeyValues keyValues, ChatModelObservationContext context) {
  		if (context.getRequest().getOptions() instanceof DashScopeChatOptions) {
  			List<Object> stop = ((DashScopeChatOptions) context.getRequest().getOptions()).getStop();
  			if (CollectionUtils.isEmpty(stop)) {
  				return keyValues;
  			}
  
  			KeyValue.of(ChatModelObservationDocumentation.HighCardinalityKeyNames.REQUEST_STOP_SEQUENCES, stop,
  					Objects::nonNull);
  
  			String stopSequences;
  			try {
  				stopSequences = objectMapper.writeValueAsString(stop);
  			}
  			catch (Exception e) {
  				stopSequences = ILLEGAL_STOP_CONTENT;
  			}
  			return keyValues.and(
  					ChatModelObservationDocumentation.HighCardinalityKeyNames.REQUEST_STOP_SEQUENCES.asString(),
  					stopSequences);
  		}
  
  		return super.requestStopSequences(keyValues, context);
  	}
  
  }
  