代码生成:增加更全的 tree 场景下的新增/修改校验

This commit is contained in:
YunaiV 2023-11-16 20:01:44 +08:00
parent f5ea270be3
commit 01a55b93c2
7 changed files with 99 additions and 10 deletions

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@ -324,10 +324,14 @@ public class CodegenEngine {
// 特殊树表专属逻辑
if (CodegenTemplateTypeEnum.isTree(table.getTemplateType())) {
bindingMap.put("treeParentColumn", CollUtil.findOne(columns,
column -> Objects.equals(column.getId(), table.getTreeParentColumnId())));
bindingMap.put("treeNameColumn", CollUtil.findOne(columns,
column -> Objects.equals(column.getId(), table.getTreeNameColumnId())));
CodegenColumnDO treeParentColumn = CollUtil.findOne(columns,
column -> Objects.equals(column.getId(), table.getTreeParentColumnId()));
bindingMap.put("treeParentColumn", treeParentColumn);
bindingMap.put("treeParentColumn_javaField_underlineCase", toUnderlineCase(treeParentColumn.getJavaField()));
CodegenColumnDO treeNameColumn = CollUtil.findOne(columns,
column -> Objects.equals(column.getId(), table.getTreeNameColumnId()));
bindingMap.put("treeNameColumn", treeNameColumn);
bindingMap.put("treeNameColumn_javaField_underlineCase", toUnderlineCase(treeNameColumn.getJavaField()));
}
// 特殊主子表专属逻辑

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@ -28,6 +28,11 @@ import ${BaseDOClassName};
@AllArgsConstructor
public class ${table.className}DO extends BaseDO {
## 特殊:树表专属逻辑
#if ( $table.templateType == 2 )
public static final Long ${treeParentColumn_javaField_underlineCase.toUpperCase()}_ROOT = 0L;
#end
#foreach ($column in $columns)
#if (!${baseDOFields.contains(${column.javaField})})##排除 BaseDO 的字段
/**

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@ -68,9 +68,14 @@ public interface ${table.className}Mapper extends BaseMapperX<${table.className}
## 特殊:树表专属逻辑
#if ( $table.templateType == 2 )
#set ($ParentJavaField = $treeParentColumn.javaField.substring(0,1).toUpperCase() + ${treeParentColumn.javaField.substring(1)})##首字母大写
default Long selectCountBy${ParentJavaField}(${treeParentColumn.javaType} ${treeParentColumn.javaField}) {
return selectCount(${table.className}DO::get${ParentJavaField}, ${treeParentColumn.javaField});
#set ($TreeParentJavaField = $treeParentColumn.javaField.substring(0,1).toUpperCase() + ${treeParentColumn.javaField.substring(1)})##首字母大写
#set ($TreeNameJavaField = $treeNameColumn.javaField.substring(0,1).toUpperCase() + ${treeNameColumn.javaField.substring(1)})##首字母大写
default ${table.className}DO selectBy${TreeParentJavaField}And${TreeNameJavaField}(Long ${treeParentColumn.javaField}, String ${treeNameColumn.javaField}) {
return selectOne(${table.className}DO::get${TreeParentJavaField}, ${treeParentColumn.javaField}, ${table.className}DO::get${TreeNameJavaField}, ${treeNameColumn.javaField});
}
default Long selectCountBy${TreeParentJavaField}(${treeParentColumn.javaType} ${treeParentColumn.javaField}) {
return selectCount(${table.className}DO::get${TreeParentJavaField}, ${treeParentColumn.javaField});
}
#end

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@ -4,4 +4,7 @@ ErrorCode ${simpleClassName_underlineCase.toUpperCase()}_NOT_EXISTS = new ErrorC
## 特殊:树表专属逻辑
#if ( $table.templateType == 2 )
ErrorCode ${simpleClassName_underlineCase.toUpperCase()}_EXITS_CHILDREN = new ErrorCode(TODO 补充编号, "存在存在子${table.classComment},无法删除");
ErrorCode ${simpleClassName_underlineCase.toUpperCase()}_PARENT_NOT_EXITS = new ErrorCode(TODO 补充编号,"父级${table.classComment}不存在");
ErrorCode ${simpleClassName_underlineCase.toUpperCase()}_PARENT_ERROR = new ErrorCode(TODO 补充编号, "不能设置自己为父${table.classComment}");
ErrorCode ${simpleClassName_underlineCase.toUpperCase()}_${treeNameColumn_javaField_underlineCase.toUpperCase()}_DUPLICATE = new ErrorCode(TODO 补充编号, "已经存在该${treeNameColumn.columnComment}的${table.classComment}");
#end

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@ -50,6 +50,16 @@ public class ${table.className}ServiceImpl implements ${table.className}Service
@Transactional(rollbackFor = Exception.class)
#end
public ${primaryColumn.javaType} create${simpleClassName}(${sceneEnum.prefixClass}${table.className}SaveReqVO createReqVO) {
## 特殊:树表专属逻辑
#if ( $table.templateType == 2 )
#set ($TreeParentJavaField = $treeParentColumn.javaField.substring(0,1).toUpperCase() + ${treeParentColumn.javaField.substring(1)})##首字母大写
#set ($TreeNameJavaField = $treeNameColumn.javaField.substring(0,1).toUpperCase() + ${treeNameColumn.javaField.substring(1)})##首字母大写
// 校验${treeParentColumn.columnComment}的有效性
validateParent${simpleClassName}(null, createReqVO.get${TreeParentJavaField}());
// 校验${treeNameColumn.columnComment}的唯一性
validate${simpleClassName}${TreeNameJavaField}Unique(null, createReqVO.get${TreeParentJavaField}(), createReqVO.get${TreeNameJavaField}());
#end
// 插入
${table.className}DO ${classNameVar} = BeanUtils.toBean(createReqVO, ${table.className}DO.class);
${classNameVar}Mapper.insert(${classNameVar});
@ -81,6 +91,16 @@ public class ${table.className}ServiceImpl implements ${table.className}Service
public void update${simpleClassName}(${sceneEnum.prefixClass}${table.className}SaveReqVO updateReqVO) {
// 校验存在
validate${simpleClassName}Exists(updateReqVO.getId());
## 特殊:树表专属逻辑
#if ( $table.templateType == 2 )
#set ($TreeParentJavaField = $treeParentColumn.javaField.substring(0,1).toUpperCase() + ${treeParentColumn.javaField.substring(1)})##首字母大写
#set ($TreeNameJavaField = $treeNameColumn.javaField.substring(0,1).toUpperCase() + ${treeNameColumn.javaField.substring(1)})##首字母大写
// 校验${treeParentColumn.columnComment}的有效性
validateParent${simpleClassName}(updateReqVO.getId(), updateReqVO.get${TreeParentJavaField}());
// 校验${treeNameColumn.columnComment}的唯一性
validate${simpleClassName}${TreeNameJavaField}Unique(updateReqVO.getId(), updateReqVO.get${TreeParentJavaField}(), updateReqVO.get${TreeNameJavaField}());
#end
// 更新
${table.className}DO updateObj = BeanUtils.toBean(updateReqVO, ${table.className}DO.class);
${classNameVar}Mapper.updateById(updateObj);
@ -140,6 +160,59 @@ public class ${table.className}ServiceImpl implements ${table.className}Service
}
}
## 特殊:树表专属逻辑
#if ( $table.templateType == 2 )
#set ($TreeParentJavaField = $treeParentColumn.javaField.substring(0,1).toUpperCase() + ${treeParentColumn.javaField.substring(1)})##首字母大写
#set ($TreeNameJavaField = $treeNameColumn.javaField.substring(0,1).toUpperCase() + ${treeNameColumn.javaField.substring(1)})##首字母大写
private void validateParent${simpleClassName}(Long id, Long ${treeParentColumn.javaField}) {
if (${treeParentColumn.javaField} == null || ${simpleClassName}DO.${treeParentColumn_javaField_underlineCase.toUpperCase()}_ROOT.equals(${treeParentColumn.javaField})) {
return;
}
// 1. 不能设置自己为父${table.classComment}
if (Objects.equals(id, ${treeParentColumn.javaField})) {
throw exception(${simpleClassName_underlineCase.toUpperCase()}_PARENT_ERROR);
}
// 2. 父${table.classComment}不存在
${simpleClassName}DO parent${simpleClassName} = ${classNameVar}Mapper.selectById(${treeParentColumn.javaField});
if (parent${simpleClassName} == null) {
throw exception(${simpleClassName_underlineCase.toUpperCase()}_PARENT_NOT_EXITS);
}
// 3. 递归校验父${table.classComment},如果父${table.classComment}是自己的子${table.classComment},则报错,避免形成环路
if (id == null) { // id 为空,说明新增,不需要考虑环路
return;
}
for (int i = 0; i < Short.MAX_VALUE; i++) {
// 3.1 校验环路
${treeParentColumn.javaField} = parent${simpleClassName}.get${TreeParentJavaField}();
if (Objects.equals(id, ${treeParentColumn.javaField})) {
throw exception(${simpleClassName_underlineCase.toUpperCase()}_PARENT_IS_CHILD);
}
// 3.2 继续递归下一级父${table.classComment}
if (${treeParentColumn.javaField} == null || ${simpleClassName}DO.${treeParentColumn_javaField_underlineCase.toUpperCase()}_ROOT.equals(${treeParentColumn.javaField})) {
break;
}
parent${simpleClassName} = ${classNameVar}Mapper.selectById(${treeParentColumn.javaField});
if (parent${simpleClassName} == null) {
break;
}
}
}
private void validate${simpleClassName}${TreeNameJavaField}Unique(Long id, Long ${treeParentColumn.javaField}, String ${treeNameColumn.javaField}) {
${simpleClassName}DO ${classNameVar} = ${classNameVar}Mapper.selectBy${TreeParentJavaField}And${TreeNameJavaField}(${treeParentColumn.javaField}, ${treeNameColumn.javaField});
if (${classNameVar} == null) {
return;
}
// 如果 id 为空,说明不用比较是否为相同 id 的${table.classComment}
if (id == null) {
throw exception(${simpleClassName_underlineCase.toUpperCase()}_${treeNameColumn_javaField_underlineCase.toUpperCase()}_DUPLICATE);
}
if (ObjectUtil.notEqual(${classNameVar}.getId(), id)) {
throw exception(${simpleClassName_underlineCase.toUpperCase()}_${treeNameColumn_javaField_underlineCase.toUpperCase()}_DUPLICATE);
}
}
#end
@Override
public ${table.className}DO get${simpleClassName}(${primaryColumn.javaType} id) {
return ${classNameVar}Mapper.selectById(id);

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@ -51,8 +51,7 @@ public class CodegenEngineTest extends BaseMockitoUnitTest {
.setClassComment("学生").setAuthor("芋道源码")
.setTemplateType(CodegenTemplateTypeEnum.TREE.getType())
.setFrontType(CodegenFrontTypeEnum.VUE3.getType())
.setTreeParentColumnId(22L).setTreeNameColumnId(11L)
;
.setTreeParentColumnId(22L).setTreeNameColumnId(11L);
CodegenColumnDO idColumn = new CodegenColumnDO().setColumnName("id").setDataType(JdbcType.BIGINT.name())
.setColumnComment("编号").setNullable(false).setPrimaryKey(true).setAutoIncrement(true)
.setJavaType("Long").setJavaField("id").setExample("1024")

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@ -141,7 +141,7 @@ public class DeptServiceImpl implements DeptService {
if (dept == null) {
return;
}
// 如果 id 为空说明不用比较是否为相同 id 岗位
// 如果 id 为空说明不用比较是否为相同 id 部门
if (id == null) {
throw exception(DEPT_NAME_DUPLICATE);
}