IEnumerable <Channel> GetEnabledChannels(IEnumerable <Channel> filteredProviderChannels)
{
ConcurrentBag <Channel> channels = new ConcurrentBag <Channel>();
IEnumerable <ChannelDefinition> enabledChannelDefinitions = channelDefinitions
.Where(x => x.IsEnabled && groups[x.GroupId].IsEnabled);
Parallel.ForEach(enabledChannelDefinitions, channelDef =>
{
logger.Debug(
MyOperation.ChannelMatching,
OperationStatus.Started,
new LogInfo(MyLogInfoKey.Channel, channelDef.Name.Value));
List <Channel> matchedChannels = filteredProviderChannels
.Where(x => channelMatcher.DoesMatch(channelDef.Name, x.Name, x.Country))
.ToList();
if (!matchedChannels.Any())
{
return;
}
logger.Debug(
MyOperation.ChannelMatching,
OperationStatus.InProgress,
new LogInfo(MyLogInfoKey.Channel, channelDef.Name.Value),
new LogInfo(MyLogInfoKey.ChannelsCount, matchedChannels.Count));
Channel matchedChannel = matchedChannels.FirstOrDefault(x => mediaSourceChecker.IsSourcePlayableAsync(x.Url).Result);
if (matchedChannel is null)
{
logger.Debug(
MyOperation.ChannelMatching,
OperationStatus.Failure,
new LogInfo(MyLogInfoKey.Channel, channelDef.Name.Value));
return;
}
Channel channel = new Channel();
channel.Id = channelDef.Id;
channel.Name = channelDef.Name.Value;
channel.Country = channelDef.Country;
channel.Group = groups[channelDef.GroupId].Name;
channel.LogoUrl = channelDef.LogoUrl;
channel.PlaylistId = matchedChannel.PlaylistId;
channel.PlaylistChannelName = matchedChannel.PlaylistChannelName;
channel.Url = matchedChannel.Url;
channels.Add(channel);
logger.Debug(
MyOperation.ChannelMatching,
OperationStatus.Success,
new LogInfo(MyLogInfoKey.Channel, channelDef.Name.Value));
});
return(channels);
}
void AssertThatSourceUrlIsNotPlayable(string sourceUrl)
{
// Act
bool sourceIsPlayale = mediaSourceChecker.IsSourcePlayableAsync(sourceUrl).Result;
// Assert
Assert.That(sourceIsPlayale, Is.False);
}
IEnumerable <Channel> FilterProviderChannels(
IList <Channel> channels,
IEnumerable <ChannelDefinition> channelDefinitions)
{
logger.Info(
MyOperation.ProviderChannelsFiltering,
OperationStatus.Started,
new LogInfo(MyLogInfoKey.ChannelsCount, channels.Count()));
List <Task> tasks = new List <Task>();
ConcurrentBag <Channel> filteredChannels = new ConcurrentBag <Channel>();
IEnumerable <Channel> uniqueChannels = channels
.GroupBy(x => dnsResolver.ResolveUrl(x.Url))
.Select(g => g.First());
foreach (Channel channel in uniqueChannels)
{
Task task = Task.Run(async() =>
{
bool isPlayable = await mediaSourceChecker.IsSourcePlayableAsync(channel.Url);
if (isPlayable)
{
filteredChannels.Add(channel);
}
});
tasks.Add(task);
}
Task.WaitAll(tasks.ToArray());
logger.Info(
MyOperation.ProviderChannelsFiltering,
OperationStatus.Success);
return(filteredChannels.OrderBy(x => channels.IndexOf(x)));
}
