package com.gkhy.huataiFourierSpecialGasMonitor.aspect;
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import com.gkhy.huataiFourierSpecialGasMonitor.commons.enums.ResultCode;
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import com.gkhy.huataiFourierSpecialGasMonitor.commons.exception.BusinessException;
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import com.gkhy.huataiFourierSpecialGasMonitor.commons.exception.RepeatedClickException;
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import com.gkhy.huataiFourierSpecialGasMonitor.config.authorization.TokenConfig;
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import org.aspectj.lang.JoinPoint;
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import org.aspectj.lang.annotation.Aspect;
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import org.aspectj.lang.annotation.Before;
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import org.aspectj.lang.reflect.MethodSignature;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.data.redis.core.RedisTemplate;
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import org.springframework.stereotype.Component;
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import org.springframework.util.StringUtils;
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import org.springframework.web.bind.annotation.ResponseBody;
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import org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import com.gkhy.huataiFourierSpecialGasMonitor.annotation.RepeatedClick;
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import javax.annotation.Resource;
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import javax.servlet.http.HttpServletRequest;
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import java.util.concurrent.TimeUnit;
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@Component
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@Aspect
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public class RepeatedClickAspect {
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@Resource
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protected TokenConfig tokenConfig;
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@Autowired
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private RedisTemplate redisTemplate;
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@Before("@annotation(com.gkhy.huataiFourierSpecialGasMonitor.annotation.RepeatedClick)")
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@ResponseBody
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public void beforeRepeatedClick(JoinPoint joinPoint){
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ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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HttpServletRequest arg = requestAttributes.getRequest();
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MethodSignature methodSignature = (MethodSignature) joinPoint.getSignature();
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RepeatedClick annotation = methodSignature.getMethod().getAnnotation(RepeatedClick.class);
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if (annotation != null){
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int clickTime = annotation.clickTime();
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String errorMessage = annotation.errorMessage();
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String userId = arg.getHeader(tokenConfig.getLoginUserHeader());
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if (!StringUtils.isEmpty(userId)) {
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try {
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Long uid = Long.parseLong(userId);
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String key = "uid:"+uid+"_"+ arg.getRequestURI() + "_" + arg.getMethod();
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if (redisTemplate.hasKey(key)){
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throw new RepeatedClickException(errorMessage);
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}else {
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redisTemplate.opsForValue().set(key,"",clickTime, TimeUnit.SECONDS);
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}
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} catch (NumberFormatException e) {
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throw new BusinessException(this.getClass(), ResultCode.PARAM_ERROR.getCode(),"数据参数异常");
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}
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}
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}
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}
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}
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