/// <summary>
/// adminUser.Id必须赋值
/// </summary>
public List<AdminUserRole> GetRolesOfAdminUser(AdminUser adminUser)
{
var aurs = from aur in dbContext.AdminUserRoles
where aur.AdminUserId == adminUser.Id
select aur;
return aurs.ToList();
}
/// <summary>
/// 更新管理员， 返回受影响的行数
/// </summary>
public int UpdateAdminUser(AdminUser adminUser)
{
CheckAdminUserNotNull(adminUser);
AdminUser au = dbContext.AdminUsers.Where(u => u.Id == adminUser.Id).FirstOrDefault();
if (au == null)
{
throw new Exception(string.Format("没有找到指定Id：{0}的管理员账号", adminUser.Id));
}
foreach (var field in typeof(AdminUser).GetProperties())
{
field.SetValue(au, field.GetValue(adminUser));
}
return dbContext.SaveChanges();
}
/// <summary>
/// 添加管理员, 并分配权限， 返回受影响的行数
/// </summary>
public int AddAdminUser(AdminUser adminUser, List<long> roleIds)
{
CheckAdminUserNotNull(adminUser);
if (adminUser.Id != default(long))
{
throw new Exception("不能指定Id的值");
}
dbContext.AdminUsers.Add(adminUser);
dbContext.Entry(adminUser).State = EntityState.Added; // 添加管理员
foreach (long roleId in roleIds) // 分配角色
{
AdminUserRole aur = new AdminUserRole()
{
// Id
AdminUserId = adminUser.Id,
RoleId = roleId,
};
dbContext.AdminUserRoles.Add(aur);
dbContext.Entry(aur).State = EntityState.Added;
}
return dbContext.SaveChanges();
}
/// <summary>
/// 检查管理员是否能登录
/// </summary>
public AdminUserLoginStatus DoLogin(string userName, string password, out AdminUser adminUser)
{
if (CommonHelper.IsNullOrEmptyOrWhiteSpace(userName, password))
{
adminUser = null;
return AdminUserLoginStatus.CannotNull;
}
adminUser = dal.GetAdminUser(userName);
if (adminUser == null)
{
return AdminUserLoginStatus.UserNameNotFound;
}
if (!adminUser.IsEnabled)
{
return AdminUserLoginStatus.Disabled;
}
if (adminUser.Password != CommonHelper.CalcMd5(password))
{
return AdminUserLoginStatus.PasswordError;
}
return AdminUserLoginStatus.Success;
}
private void CheckAdminUserNotNull(AdminUser adminUser)
{
if (adminUser == null)
{
throw new ArgumentNullException("参数adminUser不能为null");
}
}
public int DeleteAdminUser(AdminUser adminUser)
{
CheckAdminUserNotNull(adminUser);
dbContext.Entry(adminUser).State = EntityState.Deleted;
return dbContext.SaveChanges();
}
/// <summary>
/// 得到指定Id的管理员. 顺序匹配Id，UserName
/// </summary>
public AdminUser GetAdminUser(AdminUser adminUser)
{
CheckAdminUserNotNull(adminUser);
var admin = from AdminUser in this.dbContext.AdminUsers
where AdminUser.Id == adminUser.Id ||
AdminUser.UserName == adminUser.UserName
select AdminUser;
return admin.FirstOrDefault();
}
public AdminUserAddNewStatus AddAdminUser(string username, string password, List<long> roleIds)
{
if (CommonHelper.IsNullOrEmptyOrWhiteSpace(username, password) || roleIds.Count <= 0)
{
throw new ArgumentNullException("username和password不能为null, string.Empty或只包含空格. roleIds至少包含一个元素");
}
int dbNums = new RoleBLL(new HengNuoWangDBContext()).GetRoles(roleIds).Count;
if (dbNums != roleIds.Count)
{
throw new Exception(string.Format("‘{0}’中存在没有的角色", string.Join(",", roleIds)));
}
AdminUser au = GetAdminUser(username);
if (au != null)
{
return AdminUserAddNewStatus.UserNameExist;
}
au = new AdminUser()
{
// Id
UserName = username,
Password = CommonHelper.CalcMd5(password),
IsEnabled = true,
};
int row = dal.AddAdminUser(au, roleIds);
if (row != (roleIds.Count + 1))
{
throw new ArgumentNullException(string.Format("出大事了，{0}添加了多条数据：{1}", au.UserName, string.Join(",", roleIds)));
}
return AdminUserAddNewStatus.Success;
}
/// <summary>
/// 更新管理员， 返回受影响的行数
/// </summary>
public int UpdateAdminUser(AdminUser adminUser)
{
CheckAdminUserNotNull(adminUser);
return dal.UpdateAdminUser(adminUser);
}
public List<Role> GetRolesOfAdminUser(AdminUser adminUser)
{
var join = from AdminUserRole in dbContext.AdminUserRoles
join Role in dbContext.Roles on AdminUserRole.RoleId equals Role.Id into roles
where AdminUserRole.AdminUserId == adminUser.Id
from role in roles.DefaultIfEmpty()
select role;
return join.ToList();
}
