content: package com.ruoyi.generator.util;
  
  import java.util.ArrayList;
  import java.util.HashSet;
  import java.util.List;
  import org.apache.velocity.VelocityContext;
  import com.alibaba.fastjson.JSONObject;
  import com.ruoyi.common.constant.GenConstants;
  import com.ruoyi.common.utils.DateUtils;
  import com.ruoyi.common.utils.StringUtils;
  import com.ruoyi.generator.config.GenConfig;
  import com.ruoyi.generator.domain.GenTable;
  import com.ruoyi.generator.domain.GenTableColumn;
  
  public class VelocityUtils
  {
      /** 项目空间路径 */
      private static final String PROJECT_PATH = "main/java";
  
      /** mybatis空间路径 */
      private static final String MYBATIS_PATH = "main/resources/mapper";
  
      /** html空间路径 */
      private static final String TEMPLATES_PATH = "main/resources/templates";
      
      /** 默认上级菜单，系统工具 */
      private static final String DEFAULT_PARENT_MENU_ID = "3";
  
      /**
       * 设置模板变量信息
       * 
       * @return 模板列表
       */
      public static VelocityContext prepareContext(GenTable genTable)
      {
          String moduleName = genTable.getModuleName();
          String businessName = genTable.getBusinessName();
          String packageName = genTable.getPackageName();
          String tplCategory = genTable.getTplCategory();
          String functionName = genTable.getFunctionName();
  
          VelocityContext velocityContext = new VelocityContext();
          velocityContext.put("tplCategory", genTable.getTplCategory());
          velocityContext.put("tableName", genTable.getTableName());
          velocityContext.put("functionName", StringUtils.isNotEmpty(functionName) ? functionName : "【请填写功能名称】");
          velocityContext.put("ClassName", genTable.getClassName());
          velocityContext.put("className", StringUtils.uncapitalize(genTable.getClassName()));
          velocityContext.put("moduleName", genTable.getModuleName());
          velocityContext.put("businessName", genTable.getBusinessName());
          velocityContext.put("basePackage", getPackagePrefix(packageName));
          velocityContext.put("packageName", packageName);
          velocityContext.put("author", genTable.getFunctionAuthor());
          velocityContext.put("colXsNum", getColXsNum(genTable.getFormColNum()));
          velocityContext.put("colSmNum", getColSmNum(genTable.getFormColNum()));
          velocityContext.put("datetime", DateUtils.getDate());
          velocityContext.put("pkColumn", genTable.getPkColumn());
          velocityContext.put("importList", getImportList(genTable));
          velocityContext.put("permissionPrefix", getPermissionPrefix(moduleName, businessName));
          velocityContext.put("columns", genTable.getColumns());
          velocityContext.put("table", genTable);
          setMenuVelocityContext(velocityContext, genTable);
          if (GenConstants.TPL_TREE.equals(tplCategory))
          {
              setTreeVelocityContext(velocityContext, genTable);
          }
          if (GenConstants.TPL_SUB.equals(tplCategory))
          {
              setSubVelocityContext(velocityContext, genTable);
          }
          return velocityContext;
      }
  
      public static void setMenuVelocityContext(VelocityContext context, GenTable genTable)
      {
          String options = genTable.getOptions();
          JSONObject paramsObj = JSONObject.parseObject(options);
          String parentMenuId = getParentMenuId(paramsObj);
          context.put("parentMenuId", parentMenuId);
      }
  
      public static void setTreeVelocityContext(VelocityContext context, GenTable genTable)
      {
          String options = genTable.getOptions();
          JSONObject paramsObj = JSONObject.parseObject(options);
          String treeCode = getTreecode(paramsObj);
          String treeParentCode = getTreeParentCode(paramsObj);
          String treeName = getTreeName(paramsObj);
  
          context.put("treeCode", treeCode);
          context.put("treeParentCode", treeParentCode);
          context.put("treeName", treeName);
          context.put("expandColumn", getExpandColumn(genTable));
          if (paramsObj.containsKey(GenConstants.TREE_PARENT_CODE))
          {
              context.put("tree_parent_code", paramsObj.getString(GenConstants.TREE_PARENT_CODE));
          }
          if (paramsObj.containsKey(GenConstants.TREE_NAME))
          {
              context.put("tree_name", paramsObj.getString(GenConstants.TREE_NAME));
          }
      }
  
      public static void setSubVelocityContext(VelocityContext context, GenTable genTable)
      {
          GenTable subTable = genTable.getSubTable();
          String subTableName = genTable.getSubTableName();
          String subTableFkName = genTable.getSubTableFkName();
          String subClassName = genTable.getSubTable().getClassName();
          String subTableFkClassName = StringUtils.convertToCamelCase(subTableFkName);
  
          context.put("subTable", subTable);
          context.put("subTableName", subTableName);
          context.put("subTableFkName", subTableFkName);
          context.put("subTableFkClassName", subTableFkClassName);
          context.put("subTableFkclassName", StringUtils.uncapitalize(subTableFkClassName));
          context.put("subClassName", subClassName);
          context.put("subclassName", StringUtils.uncapitalize(subClassName));
          context.put("subImportList", getImportList(genTable.getSubTable()));
      }
  
      /**
       * 获取模板信息
       * 
       * @return 模板列表
       */
      public static List<String> getTemplateList(String tplCategory)
      {
          List<String> templates = new ArrayList<String>();
          templates.add("vm/java/domain.java.vm");
          templates.add("vm/java/mapper.java.vm");
          templates.add("vm/java/service.java.vm");
          templates.add("vm/java/serviceImpl.java.vm");
          templates.add("vm/java/controller.java.vm");
          templates.add("vm/xml/mapper.xml.vm");
          if (GenConstants.TPL_CRUD.equals(tplCategory))
          {
              templates.add("vm/html/list.html.vm");
          }
          else if (GenConstants.TPL_TREE.equals(tplCategory))
          {
              templates.add("vm/html/tree.html.vm");
              templates.add("vm/html/list-tree.html.vm");
          }
          else if (GenConstants.TPL_SUB.equals(tplCategory))
          {
              templates.add("vm/html/list.html.vm");
              templates.add("vm/java/sub-domain.java.vm");
          }
          templates.add("vm/html/add.html.vm");
          templates.add("vm/html/edit.html.vm");
          templates.add("vm/sql/sql.vm");
          return templates;
      }
  
      /**
       * 获取文件名
       */
      public static String getFileName(String template, GenTable genTable)
      {
          // 文件名称
          String fileName = "";
          // 包路径
          String packageName = genTable.getPackageName();
          // 模块名
          String moduleName = genTable.getModuleName();
          // 大写类名
          String className = genTable.getClassName();
          // 业务名称
          String businessName = genTable.getBusinessName();
  
          String javaPath = PROJECT_PATH + "/" + StringUtils.replace(packageName, ".", "/");
          String mybatisPath = MYBATIS_PATH + "/" + moduleName;
          String htmlPath = TEMPLATES_PATH + "/" + moduleName + "/" + businessName;
  
          if (template.contains("domain.java.vm"))
          {
              fileName = StringUtils.format("{}/domain/{}.java", javaPath, className);
          }
          if (template.contains("sub-domain.java.vm") && StringUtils.equals(GenConstants.TPL_SUB, genTable.getTplCategory()))
          {
              fileName = StringUtils.format("{}/domain/{}.java", javaPath, genTable.getSubTable().getClassName());
          }
          else if (template.contains("mapper.java.vm"))
          {
              fileName = StringUtils.format("{}/mapper/{}Mapper.java", javaPath, className);
          }
          else if (template.contains("service.java.vm"))
          {
              fileName = StringUtils.format("{}/service/I{}Service.java", javaPath, className);
          }
          else if (template.contains("serviceImpl.java.vm"))
          {
              fileName = StringUtils.format("{}/service/impl/{}ServiceImpl.java", javaPath, className);
          }
          else if (template.contains("controller.java.vm"))
          {
              fileName = StringUtils.format("{}/controller/{}Controller.java", javaPath, className);
          }
          else if (template.contains("mapper.xml.vm"))
          {
              fileName = StringUtils.format("{}/{}Mapper.xml", mybatisPath, className);
          }
          else if (template.contains("list.html.vm"))
          {
              fileName = StringUtils.format("{}/{}.html", htmlPath, businessName);
          }
          else if (template.contains("list-tree.html.vm"))
          {
              fileName = StringUtils.format("{}/{}.html", htmlPath, businessName);
          }
          else if (template.contains("tree.html.vm"))
          {
              fileName = StringUtils.format("{}/tree.html", htmlPath);
          }
          else if (template.contains("add.html.vm"))
          {
              fileName = StringUtils.format("{}/add.html", htmlPath);
          }
          else if (template.contains("edit.html.vm"))
          {
              fileName = StringUtils.format("{}/edit.html", htmlPath);
          }
          else if (template.contains("sql.vm"))
          {
              fileName = businessName + "Menu.sql";
          }
          return fileName;
      }
  
      /**
       * 获取项目文件路径
       * 
       * @return 路径
       */
      public static String getProjectPath()
      {
          String packageName = GenConfig.getPackageName();
          StringBuffer projectPath = new StringBuffer();
          projectPath.append("main/java/");
          projectPath.append(packageName.replace(".", "/"));
          projectPath.append("/");
          return projectPath.toString();
      }
  
      /**
       * 获取包前缀
       * 
       * @param packageName 包名称
       * @return 包前缀名称
       */
      public static String getPackagePrefix(String packageName)
      {
          int lastIndex = packageName.lastIndexOf(".");
          return StringUtils.substring(packageName, 0, lastIndex);
      }
  
      /**
       * 根据列类型获取导入包
       * 
       * @param genTable 业务表对象
       * @return 返回需要导入的包列表
       */
      public static HashSet<String> getImportList(GenTable genTable)
      {
          List<GenTableColumn> columns = genTable.getColumns();
          GenTable subGenTable = genTable.getSubTable();
          HashSet<String> importList = new HashSet<String>();
          if (StringUtils.isNotNull(subGenTable))
          {
              importList.add("java.util.List");
          }
          for (GenTableColumn column : columns)
          {
              if (!column.isSuperColumn() && GenConstants.TYPE_DATE.equals(column.getJavaType()))
              {
                  importList.add("java.util.Date");
                  importList.add("com.fasterxml.jackson.annotation.JsonFormat");
              }
              else if (!column.isSuperColumn() && GenConstants.TYPE_BIGDECIMAL.equals(column.getJavaType()))
              {
                  importList.add("java.math.BigDecimal");
              }
          }
          return importList;
      }
  
      /**
       * 获取权限前缀
       * 
       * @param moduleName 模块名称
       * @param businessName 业务名称
       * @return 返回权限前缀
       */
      public static String getPermissionPrefix(String moduleName, String businessName)
      {
          return StringUtils.format("{}:{}", moduleName, businessName);
      }
  
      /**
       * 获取上级菜单ID字段
       * 
       * @param paramsObj 生成其他选项
       * @return 上级菜单ID字段
       */
      public static String getParentMenuId(JSONObject paramsObj)
      {
          if (StringUtils.isNotEmpty(paramsObj) && paramsObj.containsKey(GenConstants.PARENT_MENU_ID)
                  && StringUtils.isNotEmpty(paramsObj.getString(GenConstants.PARENT_MENU_ID)))
          {
              return paramsObj.getString(GenConstants.PARENT_MENU_ID);
          }
          return DEFAULT_PARENT_MENU_ID;
      }
  
      /**
       * 获取树编码
       * 
       * @param paramsObj 生成其他选项
       * @return 树编码
       */
      public static String getTreecode(JSONObject paramsObj)
      {
          if (paramsObj.containsKey(GenConstants.TREE_CODE))
          {
              return StringUtils.toCamelCase(paramsObj.getString(GenConstants.TREE_CODE));
          }
          return StringUtils.EMPTY;
      }
  
      /**
       * 获取树父编码
       * 
       * @param paramsObj 生成其他选项
       * @return 树父编码
       */
      public static String getTreeParentCode(JSONObject paramsObj)
      {
          if (paramsObj.containsKey(GenConstants.TREE_PARENT_CODE))
          {
              return StringUtils.toCamelCase(paramsObj.getString(GenConstants.TREE_PARENT_CODE));
          }
          return StringUtils.EMPTY;
      }
  
      /**
       * 获取树名称
       * 
       * @param paramsObj 生成其他选项
       * @return 树名称
       */
      public static String getTreeName(JSONObject paramsObj)
      {
          if (paramsObj.containsKey(GenConstants.TREE_NAME))
          {
              return StringUtils.toCamelCase(paramsObj.getString(GenConstants.TREE_NAME));
          }
          return StringUtils.EMPTY;
      }
  
      /**
       * 获取需要在哪一列上面显示展开按钮
       * 
       * @param genTable 业务表对象
       * @return 展开按钮列序号
       */
      public static int getExpandColumn(GenTable genTable)
      {
          String options = genTable.getOptions();
          JSONObject paramsObj = JSONObject.parseObject(options);
          String treeName = paramsObj.getString(GenConstants.TREE_NAME);
          int num = 0;
          for (GenTableColumn column : genTable.getColumns())
          {
              if (column.isList())
              {
                  num++;
                  String columnName = column.getColumnName();
                  if (columnName.equals(treeName))
                  {
                      break;
                  }
              }
          }
          return num;
      }
  
      /**
       * 获取表单排列网格
       * 
       * @param formColNum 表单布局方式
       * @return 排列类样式
       */
      public static String getColXsNum(int formColNum)
      {
          String colXsNum = "col-xs-12";
          if (formColNum == 2)
          {
              return "col-xs-6";
          }
          else if (formColNum == 3)
          {
              return "col-xs-4";
          }
          return colXsNum;
      }
  
      /**
       * 获取表单label网格
       * 
       * @param formColNum 表单布局方式
       * @return 网格类样式
       */
      public static String getColSmNum(int formColNum)
      {
          String colSmNum = "col-sm-3";
          if (formColNum == 2 || formColNum == 3)
          {
              return "col-sm-4";
          }
          return colSmNum;
      }
  }
  