//添加好友
public bool AddFriend(string userid, string friendCode, out string usercode, out long IMFriendID, out string message)
{
usercode = string.Empty;
IMFriendID = 0;
long _userid = 0;
Int64.TryParse(userid, out _userid);
var user = userBLL.GetModel(_userid);
if (user == null)
{
message = "用户ID不存在";
return(false);
}
var friendmodel = userBLL.GetModel(userBLL.GetUserID(friendCode));
if (friendmodel == null)
{
message = "好友用户编号不存在";
return(false);
}
if (_userid == friendmodel.UserID)
{
message = "不能添加自己为好友";
return(false);
}
var exmodel = imFriendBLL.GetModel(_userid, friendmodel.UserID);
if (exmodel != null)
{
message = "好友已存在";
return(false);
}
lgk.Model.tb_IMFriend model = new lgk.Model.tb_IMFriend();
model.AddTime = DateTime.Now;
model.UserID = _userid;
model.UserCode = user.UserCode;
model.FriendID = friendmodel.UserID;
model.FriendCode = friendmodel.UserCode;
IMFriendID = imFriendBLL.Add(model);
usercode = user.UserCode;
message = "添加好友成功";
return(true);
}
/// <summary>
/// 得到一个对象实体
/// </summary>
public lgk.Model.tb_IMFriend GetModel(long UserID, long FriendID)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("select ID, UserID, UserCode, FriendCode, FriendID, AddTime ");
strSql.Append(" from tb_IMFriend ");
strSql.Append(" where UserID=@UserID and FriendID=@FriendID");
SqlParameter[] parameters =
{
new SqlParameter("@UserID", SqlDbType.BigInt),
new SqlParameter("@FriendID", SqlDbType.BigInt)
};
parameters[0].Value = UserID;
parameters[1].Value = FriendID;
lgk.Model.tb_IMFriend model = new lgk.Model.tb_IMFriend();
DataSet ds = DbHelperSQL.Query(strSql.ToString(), parameters);
if (ds.Tables[0].Rows.Count > 0)
{
if (ds.Tables[0].Rows[0]["ID"].ToString() != "")
{
model.ID = long.Parse(ds.Tables[0].Rows[0]["ID"].ToString());
}
if (ds.Tables[0].Rows[0]["UserID"].ToString() != "")
{
model.UserID = long.Parse(ds.Tables[0].Rows[0]["UserID"].ToString());
}
model.UserCode = ds.Tables[0].Rows[0]["UserCode"].ToString();
model.FriendCode = ds.Tables[0].Rows[0]["FriendCode"].ToString();
if (ds.Tables[0].Rows[0]["FriendID"].ToString() != "")
{
model.FriendID = long.Parse(ds.Tables[0].Rows[0]["FriendID"].ToString());
}
if (ds.Tables[0].Rows[0]["AddTime"].ToString() != "")
{
model.AddTime = DateTime.Parse(ds.Tables[0].Rows[0]["AddTime"].ToString());
}
return(model);
}
else
{
return(null);
}
}
/// <summary>
/// 更新一条数据
/// </summary>
public bool Update(lgk.Model.tb_IMFriend model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("update tb_IMFriend set ");
strSql.Append(" UserID = @UserID , ");
strSql.Append(" UserCode = @UserCode , ");
strSql.Append(" FriendCode = @FriendCode , ");
strSql.Append(" FriendID = @FriendID , ");
strSql.Append(" AddTime = @AddTime ");
strSql.Append(" where ID=@ID ");
SqlParameter[] parameters =
{
new SqlParameter("@ID", SqlDbType.BigInt, 8),
new SqlParameter("@UserID", SqlDbType.BigInt, 8),
new SqlParameter("@UserCode", SqlDbType.VarChar, 50),
new SqlParameter("@FriendCode", SqlDbType.VarChar, 50),
new SqlParameter("@FriendID", SqlDbType.BigInt, 8),
new SqlParameter("@AddTime", SqlDbType.DateTime)
};
parameters[0].Value = model.ID;
parameters[1].Value = model.UserID;
parameters[2].Value = model.UserCode;
parameters[3].Value = model.FriendCode;
parameters[4].Value = model.FriendID;
parameters[5].Value = model.AddTime;
int rows = DbHelperSQL.ExecuteSql(strSql.ToString(), parameters);
if (rows > 0)
{
return(true);
}
else
{
return(false);
}
}
/// <summary>
/// 增加一条数据
/// </summary>
public long Add(lgk.Model.tb_IMFriend model)
{
StringBuilder strSql = new StringBuilder();
strSql.Append("insert into tb_IMFriend(");
strSql.Append("UserID,UserCode,FriendCode,FriendID,AddTime");
strSql.Append(") values (");
strSql.Append("@UserID,@UserCode,@FriendCode,@FriendID,@AddTime");
strSql.Append(") ");
strSql.Append(";select @@IDENTITY");
SqlParameter[] parameters =
{
new SqlParameter("@UserID", SqlDbType.BigInt, 8),
new SqlParameter("@UserCode", SqlDbType.VarChar, 50),
new SqlParameter("@FriendCode", SqlDbType.VarChar, 50),
new SqlParameter("@FriendID", SqlDbType.BigInt, 8),
new SqlParameter("@AddTime", SqlDbType.DateTime)
};
parameters[0].Value = model.UserID;
parameters[1].Value = model.UserCode;
parameters[2].Value = model.FriendCode;
parameters[3].Value = model.FriendID;
parameters[4].Value = model.AddTime;
object obj = DbHelperSQL.GetSingle(strSql.ToString(), parameters);
if (obj == null)
{
return(0);
}
else
{
return(Convert.ToInt64(obj));
}
}
