OpenSim-Test/OpenSim/Data/Null/NullFriendsData.cs

/*
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 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
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using System;
using System.Collections;
using System.Collections.Generic;
using OpenMetaverse;
using OpenSim.Framework;
using OpenSim.Data;

namespace OpenSim.Data.Null
{
    public class NullFriendsData : IFriendsData
    {
        private static List<FriendsData> m_Data = new List<FriendsData>();

        public NullFriendsData(string connectionString, string realm)
        {
        }

        public FriendsData[] GetFriends(UUID principalID)
        {
            return GetFriends(principalID.ToString());
        }

        /// <summary>
        /// Tries to implement the Get [] semantics, but it cuts corners.
        /// Specifically, it gets all friendships even if they weren't accepted yet.
        /// </summary>
        /// <param name="fields"></param>
        /// <param name="values"></param>
        /// <returns></returns>
        public FriendsData[] GetFriends(string userID)
        {
            List<FriendsData> lst = m_Data.FindAll(delegate (FriendsData fdata)
            {
                return fdata.PrincipalID == userID.ToString();
            });

            if (lst != null)
                return lst.ToArray();

            return new FriendsData[0];
        }

        public bool Store(FriendsData data)
        {
            if (data == null)
                return false;

            m_Data.Add(data);

            return true;
        }

        public bool Delete(UUID principalID, string friend)
        {
            return Delete(principalID.ToString(), friend);
        }

        public bool Delete(string userID, string friendID)
        {
            List<FriendsData> lst = m_Data.FindAll(delegate(FriendsData fdata) { return fdata.PrincipalID == userID.ToString(); });
            if (lst != null)
            {
                FriendsData friend = lst.Find(delegate(FriendsData fdata) { return fdata.Friend == friendID; });
                if (friendID != null)
                {
                    m_Data.Remove(friend);
                    return true;
                }
            }

            return false;
        }

    }
}