WingRtmpService/ChannelManagers/ChannelParameter.cs

using System.Collections.Generic;
using WingServerCommon.Log;
using WingServerCommon.Utilities;

namespace WingRtmpService.ChannelManagers
{
    class ChannelConstant
    {
        public const string CreateChannelKey = "CreateChannelKey";

        public const string DeleteChannelKey = "DeleteChannelKey";

        public const string GetChannelListKey = "GetChannelListKey";
    }

    class ChannelParameter
    {
        private readonly Dictionary<string, string> _parameter;

        public ChannelParameter()
        {
            _parameter = new Dictionary<string, string>();
        }

        public Dictionary<string, string> Parameter => _parameter;

        public void SetCreateParameter(string channelName)
        {
            if (!_parameter.ContainsKey(ChannelConstant.CreateChannelKey))
            {
                _parameter.Add(ChannelConstant.CreateChannelKey,
                    GetChannelName(channelName));
            }
            else
            {
                _parameter[ChannelConstant.CreateChannelKey] = GetChannelName(channelName);
            }
        }

        public void SetDeleteParameter(string cid)
        {
            if (string.IsNullOrEmpty(cid))
            {
                Logger.WriteLineError("Channel cid is empty.");
                return;
            }

            if (!_parameter.ContainsKey(ChannelConstant.DeleteChannelKey))
            {
                _parameter.Add(ChannelConstant.DeleteChannelKey, cid);
            }
            else
            {
                _parameter[ChannelConstant.DeleteChannelKey] = cid;
            }
        }

        public void SetGetChannelListParameter(int maxRecordsCount)
        {
            if (maxRecordsCount > 0)
            {
                if (!_parameter.ContainsKey(ChannelConstant.GetChannelListKey))
                {
                    _parameter.Add(ChannelConstant.GetChannelListKey, maxRecordsCount.ToString());
                }
                else
                {
                    _parameter[ChannelConstant.GetChannelListKey] = maxRecordsCount.ToString();
                }
            }
        }

        private static string GetChannelName(string channelName)
        {
            return !string.IsNullOrEmpty(channelName) ? channelName : IdHelper.Generate<string>();
        }
    }
}