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/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the OpenSimulator Project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ''AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using OpenMetaverse;
using OpenSim.Framework;
using System.Data.SqlClient;
using System.Reflection;
using System.Text;
namespace OpenSim.Data.MSSQL
{
public class MSSQLFriendsData : MSSQLGenericTableHandler<FriendsData>, IFriendsData
{
public MSSQLFriendsData(string connectionString, string realm)
: base(connectionString, realm, "FriendsStore")
{
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
{
conn.Open();
Migration m = new Migration(conn, GetType().Assembly, "FriendsStore");
m.Update();
}
}
public bool Delete(UUID principalID, string friend)
{
return Delete(principalID.ToString(), friend);
}
public bool Delete(string principalID, string friend)
{
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand())
{
cmd.CommandText = String.Format("delete from {0} where PrincipalID = @PrincipalID and Friend = @Friend", m_Realm);
cmd.Parameters.Add(m_database.CreateParameter("@PrincipalID", principalID.ToString()));
cmd.Parameters.Add(m_database.CreateParameter("@Friend", friend));
cmd.Connection = conn;
conn.Open();
cmd.ExecuteNonQuery();
return true;
}
}
public FriendsData[] GetFriends(UUID principalID)
{
return GetFriends(principalID.ToString());
}
public FriendsData[] GetFriends(string principalID)
{
using (SqlConnection conn = new SqlConnection(m_ConnectionString))
using (SqlCommand cmd = new SqlCommand())
{
cmd.CommandText = String.Format("select a.*,case when b.Flags is null then -1 else b.Flags end as TheirFlags from {0} as a left join {0} as b on a.PrincipalID = b.Friend and a.Friend = b.PrincipalID where a.PrincipalID = @PrincipalID", m_Realm);
cmd.Parameters.Add(m_database.CreateParameter("@PrincipalID", principalID.ToString()));
cmd.Connection = conn;
conn.Open();
return DoQuery(cmd);
}
}
}
}
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