public AMSChannelCollection LoadRelativeChannels(string eventID)
{
eventID.CheckStringIsNullOrEmpty("eventID");
WhereSqlClauseBuilder builder = new WhereSqlClauseBuilder();
builder.AppendItem("EC.EventID", eventID);
string sql = string.Format("SELECT C.*, EC.EventID, EC.DefaultPlaybackUrl, EC.CDNPlaybackUrl, EC.IsDefault FROM AMS.Channels C INNER JOIN AMS.EventsChannels EC ON C.ID = EC.ChannelID WHERE {0} ORDER BY EC.IsDefault DESC",
builder.ToSqlString(TSqlBuilder.Instance));
DataTable table = DbHelper.RunSqlReturnDS(sql, this.GetConnectionName()).Tables[0];
AMSChannelCollection channels = new AMSChannelCollection();
foreach (DataRow row in table.Rows)
{
AMSChannelInEvent channel = new AMSChannelInEvent();
ORMapping.DataRowToObject(row, channel);
channels.Add(channel);
}
return(channels);
}
public void AddChannelInEventExecutor()
{
AMSEventSqlAdapter.Instance.ClearAll();
AMSChannelSqlAdapter.Instance.ClearAll();
AMSChannel channel = DataHelper.PrepareChannelData();
AMSChannelSqlAdapter.Instance.Update(channel);
AMSEvent eventData = DataHelper.PrepareEventData(channel.ID);
AMSEventSqlAdapter.Instance.Update(eventData);
AMSChannel newChannel = DataHelper.PrepareChannelData();
AMSChannelSqlAdapter.Instance.Update(newChannel);
AMSAddChannelInEventExecutor executor = new AMSAddChannelInEventExecutor(eventData.ID, newChannel.ID);
executor.Execute();
AMSChannelCollection channels = AMSEventSqlAdapter.Instance.LoadRelativeChannels(eventData.ID);
channels.Output();
Assert.AreEqual(2, channels.Count);
}
public static int DeleteAllExpiredPrograms(TimeSpan expiredTime)
{
int count = 0;
AMSChannelCollection channels = GetAllChannels(false);
foreach (AMSChannel channel in channels)
{
CloudMediaContext context = MediaServiceAccountSettings.GetConfig().Accounts.GetCloudMediaContext(channel.AMSAccountName);
IChannel amsChannel = GetChannelByID(context, channel.AMSID);
if (amsChannel != null)
{
foreach (IProgram program in amsChannel.Programs.ToArray())
{
if (program.State == ProgramState.Stopped && (program.LastModified + expiredTime) < DateTime.UtcNow)
{
TraceOperation("Delete Program {0}", () => program.Delete(), program.Name);
count++;
}
}
}
}
return(count);
}
public void IncludeCompletedAndNeedStartEventsLoadNeedStopChannels()
{
AMSEventSqlAdapter.Instance.ClearAll();
AMSChannelSqlAdapter.Instance.ClearAll();
AMSChannel channel = DataHelper.PrepareChannelData();
AMSChannelSqlAdapter.Instance.Update(channel);
AMSEvent prevEventData = DataHelper.PrepareEventData(channel.ID);
prevEventData.StartTime = DateTime.Now.AddHours(-2);
prevEventData.EndTime = DateTime.Now.AddHours(-1);
AMSEventSqlAdapter.Instance.Update(prevEventData);
AMSEvent nextEventData = DataHelper.PrepareEventData(channel.ID);
nextEventData.StartTime = DateTime.Now.AddMinutes(30);
nextEventData.EndTime = DateTime.Now.AddHours(3);
AMSEventSqlAdapter.Instance.Update(prevEventData);
AMSChannelCollection needToStopChannels = AMSChannelSqlAdapter.Instance.LoadNeedStopChannels(TimeSpan.FromHours(1));
needToStopChannels.Output();
Assert.AreEqual(1, needToStopChannels.Count);
}
public void ListChannelsFromConfig()
{
AMSChannelSqlAdapter.Instance.ClearAll();
AMSChannelSqlAdapter.Instance.InitChannels();
AMSChannelCollection channels = LiveChannelManager.GetAllChannels();
Output(channels);
}
public static AMSChannelCollection ToAMSChannels(this IEnumerable<IChannel> channels)
{
channels.NullCheck("channels");
AMSChannelCollection result = new AMSChannelCollection();
channels.AsEnumerable().ForEach(c => result.Add(c.ToAMSChannel()));
return result;
}
public static void SyncChannelInfo(AMSQueueItem message, CancellationToken cancellationToken)
{
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60013, "Start Sync Channel Info");
AMSChannelCollection channels = LiveChannelManager.GetAllChannels(true);
AMSChannelSqlAdapter.Instance.UpdateAllChannels(channels);
TraceHelper.AMSTaskTraceSource.TraceEvent(TraceEventType.Verbose, 60013, "Complete Sync Channel Info");
}
public static AMSChannelCollection ToAMSChannels(this IEnumerable <IChannel> channels)
{
channels.NullCheck("channels");
AMSChannelCollection result = new AMSChannelCollection();
channels.AsEnumerable().ForEach(c => result.Add(c.ToAMSChannel()));
return(result);
}
public void UpdateAllChannelsToDB()
{
AMSChannelSqlAdapter.Instance.ClearAll();
AMSChannelSqlAdapter.Instance.InitChannels();
AMSChannelCollection channels = LiveChannelManager.GetAllChannels(true);
AMSChannelSqlAdapter.Instance.UpdateAllChannels(channels);
Output(channels);
}
/// <summary>
/// 判断同一频道下是否有时间交叉的事件
/// </summary>
/// <param name="eventData"></param>
/// <param name="additionalChannelID">额外的频道</param>
/// <returns></returns>
public bool HaveIntersectEvents(AMSEvent eventData, string additionalChannelID = "")
{
eventData.NullCheck("eventData");
DateTime startTime = TimeZoneContext.Current.ConvertTimeToUtc(eventData.StartTime);
DateTime endTime = TimeZoneContext.Current.ConvertTimeToUtc(eventData.EndTime);
WhereSqlClauseBuilder builder1 = new WhereSqlClauseBuilder();
builder1.AppendItem("StartTime", startTime, ">=");
builder1.AppendItem("StartTime", endTime, "<");
WhereSqlClauseBuilder builder2 = new WhereSqlClauseBuilder();
builder2.AppendItem("EndTime", startTime, ">");
builder2.AppendItem("EndTime", endTime, "<");
WhereSqlClauseBuilder builder3 = new WhereSqlClauseBuilder();
builder3.AppendItem("StartTime", startTime, "<");
builder3.AppendItem("EndTime", startTime, ">");
WhereSqlClauseBuilder builder4 = new WhereSqlClauseBuilder();
builder4.AppendItem("StartTime", endTime, "<");
builder4.AppendItem("EndTime", endTime, ">");
ConnectiveSqlClauseCollection connectiveTime = new ConnectiveSqlClauseCollection(LogicOperatorDefine.Or,
builder1, builder2, builder3, builder4);
WhereSqlClauseBuilder idBuilder = new WhereSqlClauseBuilder();
idBuilder.AppendItem("ID", eventData.ID, "<>");
AMSChannelCollection channels = this.LoadRelativeChannels(eventData.ID);
InSqlClauseBuilder channelIDBuilder = new InSqlClauseBuilder("EC.ChannelID");
channels.ForEach(c => channelIDBuilder.AppendItem(c.ID));
channelIDBuilder.AppendItem(eventData.ChannelID);
if (additionalChannelID.IsNotEmpty())
{
channelIDBuilder.AppendItem(additionalChannelID);
}
ConnectiveSqlClauseCollection connective = new ConnectiveSqlClauseCollection(LogicOperatorDefine.And, idBuilder, channelIDBuilder, connectiveTime);
string sql = string.Format("SELECT TOP 1 * FROM {0} E INNER JOIN AMS.EventsChannels EC ON E.ID = EC.EventID WHERE {1}",
this.GetTableName(), connective.ToSqlString(TSqlBuilder.Instance));
return(this.QueryData(sql).FirstOrDefault() != null);
}
public void UpdateAllChannelsWithExistsData()
{
AMSChannelSqlAdapter.Instance.ClearAll();
AMSChannelSqlAdapter.Instance.InitChannels();
AMSChannelCollection channels = LiveChannelManager.GetAllChannels(true);
AMSChannelSqlAdapter.Instance.UpdateAllChannels(channels);
AMSChannelCollection channelsLoaded = LiveChannelManager.GetAllChannels(true);
Output(channelsLoaded);
Assert.AreEqual(channels.Count, channelsLoaded.Count);
}
/// <summary>
/// 获取所有的频道信息。从数据库中读取，同时和配置文件中的频道合并。
/// 配置文件中不存在的，则标志为Disabled。
/// </summary>
/// <param name="mergeInfoFromCloud">是否从云端同步状态</param>
/// <returns></returns>
public static AMSChannelCollection GetAllChannels(bool mergeInfoFromCloud = false)
{
AMSChannelCollection channelsInDB = ContractManager.GetAMSChannelAdapter().GetAllChannels();
//AMSChannelCollection channelsFromConfig = GetChannelsFromConfig();
//if (mergeInfoFromCloud)
// FillChannelsInfoFromCloud(channelsFromConfig);
if (mergeInfoFromCloud)
{
FillChannelsInfoFromCloud(channelsInDB);
}
//return channelsInDB.MergeFrom(channelsFromConfig);
return(channelsInDB.MergeFrom(channelsInDB));
}
private void BindRelativeChannels()
{
if (this.Event != null)
{
AMSChannelCollection channels = AMSEventSqlAdapter.Instance.LoadRelativeChannels(this.Event.ID);
this.channels.DataSource = channels;
this.channels.DataValueField = "ID";
this.channels.DataTextField = "Name";
this.channels.DataBind();
this.channels.Visible = channels.Count > 1;
if (this.Channel != null)
{
this.channels.Value = this.Channel.ID;
}
}
}
private static void FillChannelsInfoFromCloud(AMSChannelCollection channels)
{
Dictionary <string, AMSChannelCollection> cloundAMSInfo = new Dictionary <string, AMSChannelCollection>(StringComparer.OrdinalIgnoreCase);
foreach (AMSChannel target in channels)
{
AMSChannelCollection channelsInContext = null;
if (cloundAMSInfo.TryGetValue(target.AMSAccountName, out channelsInContext) == false)
{
CloudMediaContext context = MediaServiceAccountSettings.GetConfig().Accounts.GetCloudMediaContext(target.AMSAccountName);
if (context != null)
{
channelsInContext = context.Channels.ToAMSChannels();
cloundAMSInfo.Add(target.AMSAccountName, channelsInContext);
}
}
if (channelsInContext != null)
{
AMSChannel channelInCloud = null;
if (target.AMSID.IsNotEmpty())
{
channelInCloud = channelsInContext.FindChannelByAMSID(target.AMSID);
}
else
if (target.Name.IsNotEmpty())
{
channelInCloud = channelsInContext.FindChannelByName(target.Name);
}
if (channelInCloud != null)
{
target.FillStatusFromCloud(channelInCloud);
}
}
}
}
public static void GenerateStopChannelMessages(CancellationToken cancellationToken)
{
AMSWorkerSettings settings = AMSWorkerSettings.GetConfig();
AMSChannelCollection channels =
AMSChannelSqlAdapter.Instance.LoadNeedStopChannels(settings.Durations.GetDuration("stopChannelLeadTime", TimeSpan.FromHours(1)));
AMSQueueItemCollection messages = new AMSQueueItemCollection();
foreach (AMSChannel channel in channels)
{
AMSQueueItem message = new AMSQueueItem();
message.ItemType = AMSQueueItemType.StopChannel;
message.ResourceID = channel.ID;
message.ResourceName = channel.Name;
messages.Add(message);
}
GetQueue().AddMessages(string.Empty, messages.ToArray());
}
/// <summary>
/// 从配置文件中读取频道信息
/// </summary>
/// <returns></returns>
private static AMSChannelCollection GetChannelsFromConfig()
{
MediaServiceAccountSettings accountSettings = MediaServiceAccountSettings.GetConfig();
AMSChannelCollection channels = new AMSChannelCollection();
foreach (LiveChannelConfigurationElement channelElem in LiveChannelSettings.GetConfig().Channels)
{
if (accountSettings.Accounts.ContainsKey(channelElem.AccountName))
{
AMSChannel channel = new AMSChannel();
channel.ID = UuidHelper.NewUuidString();
channel.Name = channelElem.ChannelName;
channel.Description = channelElem.Description;
channel.AMSAccountName = channelElem.AccountName;
channels.Add(channel);
}
}
return(channels);
}
