} // Dispose
private void ProcessSegments()
{
byte[] payload;
while ((payload = GetNextSegment()) != null)
{
try
{
var item = XmlSerialization.Deserialize <TvaMain>(payload, trimExtraWhitespace: true, namespaceReplacer: NamespaceUnification.Replacer) as ExtendedPurchaseItem;
var schedule = item?.ProgramDescription?.LocationTable?.Schedule;
if (schedule == null)
{
// TODO: log
continue;
} // if
var epgService = EpgService.FromSchedule(schedule);
Datastore.Add(epgService);
}
catch (Exception ex)
{
// TODO: log
Console.WriteLine("Unable to parse: {0}", ex.Message);
return;
} // try-catch
} // while
ProcessSegmentsEnded.Set();
} // ProcessSegments
} // GetUtcProgram
public static EpgService FromSchedule(TvAnytime.TvaSchedule schedule)
{
if (schedule == null)
{
return(null);
}
var result = new EpgService()
{
Version = TryParseInt(schedule.Version, -1),
ServiceIdReference = schedule.ServiceIdRef
};
if (schedule.Events == null)
{
return(result);
} // if
var programs = from item in schedule.Events
let program = EpgProgram.FromScheduleEvent(item)
select program;
result.Programs = new LinkedList <EpgProgram>(programs);
return(result);
} // FromSchedule
} // Dispose
private void ProcessSegments()
{
byte[] payload;
while ((payload = GetNextSegment()) != null)
{
try
{
var item = XmlSerialization.Deserialize <TvaMain>(payload, trimExtraWhitespace: true, namespaceReplacer: NamespaceUnification.Replacer);
var schedule = item?.ProgramDescription?.LocationTable?.Schedule;
if (schedule == null)
{
// TODO: log
continue;
} // if
var epgService = EpgService.FromSchedule(schedule);
ScheduleReceived?.Invoke(this, EventArgs.Empty);
_datastore.Add(epgService);
}
catch (Exception ex)
{
ParseError?.Invoke(this, EventArgs.Empty);
#if DEBUG
// TODO: log
Console.WriteLine("Unable to parse: {0}", ex.Message);
#endif
return;
} // try-catch
} // while
_processSegmentsEnded.Set();
} // ProcessSegments
} // Sort
/// <summary>
/// Fills-in the blanks
/// </summary>
/// <param name="epgService"></param>
private void Fill(EpgService epgService)
{
if ((epgService.Programs == null) || (epgService.Programs.Count == 0))
{
return;
}
var current = epgService.Programs.First.Next;
while (current != null)
{
var previous = current.Previous.Value;
var utcEndTime = previous.UtcStartTime + previous.Duration;
if (utcEndTime < current.Value.UtcStartTime)
{
var empty = new EpgProgram()
{
Title = Properties.Texts.EpgBlankTitle,
IsBlank = true,
UtcStartTime = utcEndTime,
Duration = current.Value.UtcStartTime - utcEndTime
};
current.List.AddBefore(current, empty);
} // if
current = current.Next;
} // while
} // Fill
} // Merge
private IEpgLinkedList GetLinkedList(EpgService service, DateTime?localTime)
{
LinkedListNode <EpgProgram> node;
EpgProgram program;
EpgProgram phantomProgram;
if ((service.Programs == null) || (service.Programs.First == null))
{
return(null);
}
if (localTime == null)
{
localTime = DateTime.Now;
}
var utcTime = localTime.Value.ToUniversalTime();
var truncatedUtcTime = utcTime.TruncateToMinutes();
program = service.Programs.First.Value;
if (utcTime < program.UtcStartTime)
{
phantomProgram = new EpgProgram()
{
Title = Properties.Texts.EpgBlankTitle,
IsBlank = true,
UtcStartTime = truncatedUtcTime,
Duration = program.UtcStartTime - truncatedUtcTime - new TimeSpan(0, 15, 0)
};
return(new EpgLinkedListWrapper(service.ServiceIdReference, service.Programs, phantomProgram));
} // if
program = service.Programs.Last.Value;
if (utcTime >= program.UtcEndTime)
{
phantomProgram = new EpgProgram()
{
Title = Properties.Texts.EpgBlankTitle,
IsBlank = true,
UtcStartTime = program.UtcEndTime,
Duration = (truncatedUtcTime - program.UtcEndTime) + new TimeSpan(0, 15, 0)
};
return(new EpgLinkedListWrapper(service.ServiceIdReference, service.Programs, phantomProgram, false));
} // if
node = service.Programs.First;
while (node != null)
{
if (node.Value.IsCurrent(utcTime))
{
break;
} // if
node = node.Next;
} // while
return(new EpgLinkedListWrapper(service.ServiceIdReference, service.Programs, node));
} // GetLinkedList
} // IsProgramDataUnsorted
public void Add(EpgService epgService)
{
if (IsProgramDataUnsorted)
{
Sort(epgService);
} // if
Fill(epgService);
AddEpgService(epgService);
} // Add
} // GetAllPrograms
protected override void AddEpgService(EpgService epgService)
{
// Console.WriteLine("Store.Add: {0} with {1} programs", epgService.ServiceIdReference, epgService.Programs?.Count ?? 0);
if (epgService.Programs == null)
{
return;
}
switch (StorageMethod)
{
case EpgMemoryStorageMethod.Replace:
_data[epgService.ServiceIdReference] = epgService;
break;
case EpgMemoryStorageMethod.Merge:
_data.AddOrUpdate(epgService.ServiceIdReference, epgService, (k, v) => Merge(v, epgService));
break;
} // switch
} // AddEpgService
/// <summary>
/// Sorts the list programs by start time
/// </summary>
/// <param name="epgService">Service to sort</param>
private void Sort(EpgService epgService)
{
if ((epgService.Programs == null) || (epgService.Programs.Count == 0))
{
return;
}
var programs = new EpgProgram[epgService.Programs.Count];
var index = 0;
foreach (var program in epgService.Programs)
{
programs[index++] = program;
} // foreach
var sortedPrograms = from program in programs
orderby program.UtcStartTime
select program;
epgService.Programs = new LinkedList <EpgProgram>(sortedPrograms);
} // Sort
} // AddEpgService
private EpgService Merge(EpgService currentEpgService, EpgService newEpgService)
{
// TODO
throw new NotImplementedException();
} // Merge
protected abstract void AddEpgService(EpgService epgService);
protected override void AddEpgService(EpgService epgService)
{
// do nothing
} // Add
} // constructor
protected override void AddEpgService(EpgService epgService)
{
throw new InvalidOperationException();
} // Add
