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package com.haoxuer.discover.user.freemaker;

import com.haoxuer.discover.common.utils.DirectiveUtils;
import com.haoxuer.discover.user.data.entity.Menu;
import com.haoxuer.discover.user.data.service.MenuService;
import freemarker.core.Environment;
import freemarker.template.ObjectWrapper;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.springframework.beans.factory.annotation.Autowired;

/**
 * 查找某个节点下一层的菜单
 */
public class MenusDirective implements TemplateDirectiveModel {
  
  @Autowired
  MenuService menuService;
  
  @Override
  public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body)
      throws TemplateException, IOException {
    
    // 其实完全可以不用它，params是个Map，自己通过key取值就可以了，做一下空值判断
    Integer id = DirectiveUtils.getInt("id", params);
    Integer size = DirectiveUtils.getInt("size", params);
    
    List page = menuService.findChildMenu(id);
    
    List menus = new ArrayList();
    for (Menu menu : page) {

//			boolean ok = SecurityUtils.getSubject().isPermitted(menu.getName());
//			if (ok) {
//				menus.add(menu);
//			}
    }
    
    Map paramWrap = new HashMap(params);
    paramWrap.put("list", ObjectWrapper.DEFAULT_WRAPPER.wrap(page));
    Map origMap = DirectiveUtils.addParamsToVariable(env, paramWrap);
    if (body != null) {
      body.render(env.getOut());
    }
    DirectiveUtils.removeParamsFromVariable(env, paramWrap, origMap);
    
  }
}