MySQLFriendsData.cs 3.6 KB

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  1. /*
  2. * Copyright (c) Contributors, http://opensimulator.org/
  3. * See CONTRIBUTORS.TXT for a full list of copyright holders.
  4. *
  5. * Redistribution and use in source and binary forms, with or without
  6. * modification, are permitted provided that the following conditions are met:
  7. * * Redistributions of source code must retain the above copyright
  8. * notice, this list of conditions and the following disclaimer.
  9. * * Redistributions in binary form must reproduce the above copyright
  10. * notice, this list of conditions and the following disclaimer in the
  11. * documentation and/or other materials provided with the distribution.
  12. * * Neither the name of the OpenSimulator Project nor the
  13. * names of its contributors may be used to endorse or promote products
  14. * derived from this software without specific prior written permission.
  15. *
  16. * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
  17. * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  18. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  19. * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
  20. * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  21. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  22. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  23. * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  25. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26. */
  27. using System;
  28. using System.Collections;
  29. using System.Collections.Generic;
  30. using System.Data;
  31. using OpenMetaverse;
  32. using OpenSim.Framework;
  33. using MySql.Data.MySqlClient;
  34. namespace OpenSim.Data.MySQL
  35. {
  36. public class MySqlFriendsData : MySQLGenericTableHandler<FriendsData>, IFriendsData
  37. {
  38. public MySqlFriendsData(string connectionString, string realm)
  39. : base(connectionString, realm, "FriendsStore")
  40. {
  41. }
  42. public bool Delete(UUID principalID, string friend)
  43. {
  44. return Delete(principalID.ToString(), friend);
  45. }
  46. public bool Delete(string principalID, string friend)
  47. {
  48. MySqlCommand cmd = new MySqlCommand();
  49. cmd.CommandText = String.Format("delete from {0} where PrincipalID = ?PrincipalID and Friend = ?Friend", m_Realm);
  50. cmd.Parameters.AddWithValue("?PrincipalID", principalID.ToString());
  51. cmd.Parameters.AddWithValue("?Friend", friend);
  52. ExecuteNonQuery(cmd);
  53. return true;
  54. }
  55. public FriendsData[] GetFriends(UUID principalID)
  56. {
  57. MySqlCommand cmd = new MySqlCommand();
  58. 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);
  59. cmd.Parameters.AddWithValue("?PrincipalID", principalID.ToString());
  60. return DoQuery(cmd);
  61. }
  62. public FriendsData[] GetFriends(string principalID)
  63. {
  64. MySqlCommand cmd = new MySqlCommand();
  65. 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 LIKE ?PrincipalID", m_Realm);
  66. cmd.Parameters.AddWithValue("?PrincipalID", principalID.ToString() + '%');
  67. return DoQuery(cmd);
  68. }
  69. }
  70. }