public bool AddRole(string checkCode, int RoleID, Role entity, ref string ErrMsg)
{
if (!CheckingCheckCode(checkCode, RoleID, ref ErrMsg))
return false;
if (entity == null)
{
ErrMsg = "角色信息为空！";
return false;
}
if (string.IsNullOrWhiteSpace(entity.RuleName))
{
ErrMsg = "角色不能为空";
return false;
}
if (entities.Roles.Any(p => p.RuleName == entity.RuleName))
{
ErrMsg = "当前角色名已存在";
return false;
}
entity.CreateDt = DateTime.Now;
try
{
entities.Roles.Add(entity);
if (entities.SaveChanges() <= 0)
{
ErrMsg = "添加失败";
return false;
}
return true;
}
catch (Exception ex)
{
ErrMsg = ex.Message;
return false;
}
}
public bool DelRole(string checkCode, int RoleID, Role entity, ref string ErrMsg)
{
if (!CheckingCheckCode(checkCode, RoleID, ref ErrMsg))
return false;
if (entity == null)
{
ErrMsg = "角色信息为空";
return false;
}
Role _tmp = entities.Roles.Include("Accounts").FirstOrDefault(p => p.ID == entity.ID);
if (_tmp == null)
{
ErrMsg = "该角色不存在或已删除";
return false;
}
if (_tmp.Accounts != null && _tmp.Accounts.Count() > 0)
{
ErrMsg = "已有用户分配了该角色，无法删除";
return false;
}
try
{
entities.Roles.Remove(_tmp);
if (entities.SaveChanges() <= 0)
{
ErrMsg = "删除失败";
return false;
}
return true;
}
catch (Exception ex)
{
ErrMsg = ex.Message;
return false;
}
}
public bool ModifyRole(string checkCode, int RoleID, Role entity, ref string ErrMsg)
{
//if (!CheckingCheckCode(checkCode, RoleID, ref ErrMsg))
// return false;
if (entity == null)
{
ErrMsg = "角色信息为空";
return false;
}
if (!entities.Roles.Any(p => p.ID == entity.ID))
{
ErrMsg = "该角色不存在或已删除";
return false;
}
if (string.IsNullOrEmpty(entity.RuleName))
{
ErrMsg = "角色名不能为空";
return false;
}
entity.ModifyDt = DateTime.Now;
try
{
var entry = entities.Entry<Role>(entity);
if (entry.State == EntityState.Detached)
{
entities.Set<Role>().Attach(entity);
entry.State = EntityState.Modified;
}
if (entities.SaveChanges() <= 0)
{
ErrMsg = "修改失败";
return false;
}
return true;
}
catch (Exception ex)
{
ErrMsg = ex.Message;
return false;
}
}