76 lines
2.3 KiB
Go
76 lines
2.3 KiB
Go
package admin_menu
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import (
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"context"
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"hm-server/app/main/api/internal/svc"
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"hm-server/app/main/api/internal/types"
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"hm-server/common/xerr"
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"github.com/pkg/errors"
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"github.com/zeromicro/go-zero/core/logx"
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)
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type DeleteMenuLogic struct {
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logx.Logger
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ctx context.Context
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svcCtx *svc.ServiceContext
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}
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func NewDeleteMenuLogic(ctx context.Context, svcCtx *svc.ServiceContext) *DeleteMenuLogic {
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return &DeleteMenuLogic{
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Logger: logx.WithContext(ctx),
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ctx: ctx,
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svcCtx: svcCtx,
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}
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}
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func (l *DeleteMenuLogic) DeleteMenu(req *types.DeleteMenuReq) (resp *types.DeleteMenuResp, err error) {
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// 1. 参数验证
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if req.Id <= 0 {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.PARAM_VERIFICATION_ERROR),
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"菜单ID必须大于0, id: %d", req.Id)
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}
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// 2. 查询菜单是否存在
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menu, err := l.svcCtx.AdminMenuModel.FindOne(l.ctx, req.Id)
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR),
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"查找菜单失败, err: %v, id: %d", err, req.Id)
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}
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// 3. 检查是否有子菜单
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childMenuBuilder := l.svcCtx.AdminMenuModel.SelectBuilder().Where("pid = ?", req.Id)
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childMenus, err := l.svcCtx.AdminMenuModel.FindAll(l.ctx, childMenuBuilder, "")
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR),
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"查询子菜单失败, err: %v, parent_id: %d", err, req.Id)
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}
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if len(childMenus) > 0 {
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return nil, errors.Wrapf(xerr.NewErrMsg("该菜单下还有子菜单，无法删除"),
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"该菜单下还有子菜单，无法删除, id: %d", req.Id)
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}
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// 4. 检查是否有角色关联该菜单
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roleMenuBuilder := l.svcCtx.AdminRoleMenuModel.SelectBuilder().Where("menu_id = ?", req.Id)
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roleMenus, err := l.svcCtx.AdminRoleMenuModel.FindAll(l.ctx, roleMenuBuilder, "")
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR),
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"查询角色菜单关联失败, err: %v, menu_id: %d", err, req.Id)
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}
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if len(roleMenus) > 0 {
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return nil, errors.Wrapf(xerr.NewErrMsg("该菜单已被角色使用，无法删除"),
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"该菜单已被角色使用，无法删除, id: %d", req.Id)
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}
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// 5. 执行软删除
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err = l.svcCtx.AdminMenuModel.DeleteSoft(l.ctx, nil, menu)
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if err != nil {
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return nil, errors.Wrapf(xerr.NewErrCode(xerr.DB_ERROR),
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"删除菜单失败, err: %v, id: %d", err, req.Id)
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}
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// 6. 返回成功结果
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return &types.DeleteMenuResp{Success: true}, nil
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}
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