public async Task <string> AddRole(RoleViewModel model)
{
using (var trans = await _systemIdentityDbContext.Database.BeginTransactionAsync())
{
try
{
var role = _mapper.Map <SystemRole>(model);
var isSuccess = await _roleRepository.AddRole(role);
if (!isSuccess)
{
return("无法创建角色，请检查角色名是否相同！");
}
// 找到所有父和子节点
var menuIdArray = model.Menus.Split(',', StringSplitOptions.RemoveEmptyEntries);
var menuTree = from tree in _menuTreeRepository.Get(false)
where menuIdArray.Contains(tree.Ancestor.ToString()) ||
menuIdArray.Contains(tree.Descendant.ToString())
select tree;
var menuIds = menuTree.Select(tree => tree.Descendant).Concat(
menuTree.Select(tree => tree.Ancestor)).Distinct();
role = await _roleRepository.GetRole(model.Name);
isSuccess = await _roleRepository.AddOrUpdateRoleClaim(role,
CustomClaimTypes.RoleMenus, string.Join(',', menuIds.Distinct()));
if (!isSuccess)
{
await trans.RollbackAsync();
return("无法创建角色，菜单权限添加失败！");
}
// 存储原始选中节点前端用
isSuccess = await _roleRepository.AddOrUpdateRoleClaim(role,
CustomClaimTypes.RoleMenusFront, string.Join(',', menuIdArray.Distinct()));
if (!isSuccess)
{
await trans.RollbackAsync();
return("无法更新角色，菜单权限添加失败！");
}
await trans.CommitAsync();
}
catch (Exception e)
{
await trans.RollbackAsync();
throw e;
}
}
return(string.Empty);
}