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.image.observation;
  
  import io.micrometer.observation.Observation;
  import io.micrometer.observation.ObservationHandler;
  import java.util.StringJoiner;
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  import org.springframework.ai.image.observation.ImageModelObservationContext;
  import org.springframework.util.CollectionUtils;
  
  public class DashScopeImagePromptContentObservationHandler implements ObservationHandler<ImageModelObservationContext> {
  
  	private static final Logger logger = LoggerFactory.getLogger(DashScopeImagePromptContentObservationHandler.class);
  
  	@Override
  	public void onStop(ImageModelObservationContext context) {
  		if (!CollectionUtils.isEmpty(context.getRequest().getInstructions())) {
  			StringJoiner joiner = new StringJoiner(", ", "[", "]");
  			context.getRequest().getInstructions().forEach(msg -> joiner.add("\"" + msg.getText() + "\""));
  			logger.info("DashScope image model Prompt : {}", joiner);
  		}
  	}
  
  	@Override
  	public boolean supportsContext(Observation.Context context) {
  		return context instanceof ImageModelObservationContext;
  	}
  
  }
  