package com.dy.pipIrrApp.config;

import com.dy.common.multiDataSource.DataSourceContext;
import jakarta.servlet.*;
import jakarta.servlet.http.HttpServletRequest;
import lombok.extern.slf4j.Slf4j;

import java.io.IOException;

/**
 * @author ZhuBaoMin
 * @date 2024-11-29 14:24
 * @LastEditTime 2024-11-29 14:24
 * @Description
 */

@Slf4j
public class DataSourceFilter implements Filter {

    @Override
    public void init(FilterConfig filterConfig) throws ServletException  {
    }

    @Override
    public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws ServletException, IOException {
        HttpServletRequest httpRequest = (HttpServletRequest) servletRequest;
        String wxDataSourceName = httpRequest.getHeader("tag");
        if (wxDataSourceName != null && wxDataSourceName.trim().length() > 0) {
            log.info("APP开发，设置数据源名称为:" + wxDataSourceName);
            //把组织单位标签作为数据源名称
            DataSourceContext.set(wxDataSourceName);
        } else {
            log.info("用户未选择数据源");
        }
        filterChain.doFilter(servletRequest, servletResponse);
    }

    @Override
    public void destroy() {
    }
}