public static ChannelLink Parse(XPathNavigator navigator)
{
ChannelLink result = null;
Guid channelId = Guid.Empty;
string id = navigator.GetAttribute("id", String.Empty);
if (!String.IsNullOrEmpty(id))
{
channelId = new Guid(id);
}
int mpChannelId = -1;
string mpId = navigator.GetAttribute("mpId", String.Empty);
if (!String.IsNullOrEmpty(id))
{
mpChannelId = Int32.Parse(mpId);
}
if (channelId != Guid.Empty
&& mpChannelId >= 0)
{
string channelName = navigator.GetAttribute("name", String.Empty);
ChannelType channelType;
string type = navigator.GetAttribute("type", String.Empty);
if (String.IsNullOrEmpty(type))
{
channelType = ChannelType.Television;
}
else
{
channelType = (ChannelType)Enum.Parse(typeof(ChannelType), type);
}
string mpChannelName = navigator.GetAttribute("mpName", String.Empty);
result = new ChannelLink(channelType, channelId, channelName, mpChannelId, mpChannelName);
}
return result;
}
private LinkedMediaPortalChannel GetLinkedMediaPortalChannelInternal(ChannelType channelType, Guid channelId, string displayName, out bool isAutoLinked, out bool duplicateChannelsFound)
{
EnsureLoaded();
_readerWriterLock.EnterReadLock();
try
{
isAutoLinked = false;
duplicateChannelsFound = false;
if (_linksById.ContainsKey(channelId))
{
ChannelLink link = _linksById[channelId];
return(new LinkedMediaPortalChannel(link.MPChannelId, link.MPChannelName));
}
TvDatabase.Channel channel = GetChannelByDisplayName(channelType, displayName,
out duplicateChannelsFound);
if (channel != null)
{
isAutoLinked = true;
_autoLinkedMPChannels[channel.IdChannel] = true;
return(new LinkedMediaPortalChannel(channel.IdChannel, channel.DisplayName));
}
return(null);
}
finally
{
_readerWriterLock.ExitReadLock();
}
}
public void SetLinkedMediaPortalChannelInternal(Channel channel, TvDatabase.Channel mpChannel)
{
EnsureLoaded();
_readerWriterLock.EnterWriteLock();
try
{
ClearLinkedMediaPortalChannel(channel);
ChannelLink link = new ChannelLink(channel.ChannelType, channel.ChannelId, channel.DisplayName, mpChannel.IdChannel, mpChannel.DisplayName);
_linksById.Add(link.ChannelId, link);
}
finally
{
_readerWriterLock.ExitWriteLock();
}
}
public static ChannelLink Parse(XPathNavigator navigator)
{
ChannelLink result = null;
Guid channelId = Guid.Empty;
string id = navigator.GetAttribute("id", String.Empty);
if (!String.IsNullOrEmpty(id))
{
channelId = new Guid(id);
}
int mpChannelId = -1;
string mpId = navigator.GetAttribute("mpId", String.Empty);
if (!String.IsNullOrEmpty(id))
{
mpChannelId = Int32.Parse(mpId);
}
if (channelId != Guid.Empty &&
mpChannelId >= 0)
{
string channelName = navigator.GetAttribute("name", String.Empty);
ChannelType channelType;
string type = navigator.GetAttribute("type", String.Empty);
if (String.IsNullOrEmpty(type))
{
channelType = ChannelType.Television;
}
else
{
channelType = (ChannelType)Enum.Parse(typeof(ChannelType), type);
}
string mpChannelName = navigator.GetAttribute("mpName", String.Empty);
result = new ChannelLink(channelType, channelId, channelName, mpChannelId, mpChannelName);
}
return(result);
}
public void SetLinkedMediaPortalChannelInternal(Channel channel, TvDatabase.Channel mpChannel)
{
EnsureLoaded();
_readerWriterLock.EnterWriteLock();
try
{
ClearLinkedMediaPortalChannel(channel);
ChannelLink link = new ChannelLink(channel.ChannelType, channel.ChannelId, channel.DisplayName, mpChannel.IdChannel, mpChannel.DisplayName);
_linksById.Add(link.ChannelId, link);
}
finally
{
_readerWriterLock.ExitWriteLock();
}
}
private void LoadChannelLinks(bool forceLoad)
{
string settingsFileName = this.SettingsFileName;
if (!File.Exists(settingsFileName))
{
_readerWriterLock.EnterWriteLock();
try
{
_linksById.Clear();
_autoLinkedMPChannels.Clear();
return;
}
finally
{
_readerWriterLock.ExitWriteLock();
}
}
DateTime lastWriteTimeUtc = File.GetLastWriteTimeUtc(settingsFileName);
if (forceLoad ||
lastWriteTimeUtc != _lastFileWriteTimeUtc)
{
_readerWriterLock.EnterWriteLock();
try
{
_lastFileWriteTimeUtc = lastWriteTimeUtc;
_linksById.Clear();
_autoLinkedMPChannels.Clear();
using (StreamReader reader = new StreamReader(settingsFileName, Encoding.UTF8))
{
XPathDocument xpathDocument = new XPathDocument(reader);
XPathNavigator navigator = xpathDocument.CreateNavigator();
XPathNodeIterator iterator = navigator.Select("/links/link");
while (iterator.MoveNext())
{
ChannelLink link = ChannelLink.Parse(iterator.Current);
if (link != null)
{
TvDatabase.Channel mpChannel = GetChannelById(link.ChannelType, link.MPChannelId);
if (mpChannel == null ||
mpChannel.DisplayName != link.MPChannelName)
{
bool duplicateChannelsFound;
mpChannel = GetChannelByDisplayName(link.ChannelType, link.MPChannelName, out duplicateChannelsFound);
}
if (mpChannel != null)
{
_linksById.Add(link.ChannelId, link);
}
}
}
}
}
finally
{
_readerWriterLock.ExitWriteLock();
}
}
}
