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improve performance of getting channel list

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This commit is contained in:
Luke Pulverenti 2017-04-16 21:45:44 -04:00
parent 25e6e0a572
commit eddcc46602
6 changed files with 84 additions and 25 deletions
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5
Emby.Server.Implementations/Dto/DtoService.cs
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@ -146,7 +146,7 @@ namespace Emby.Server.Implementations.Dto
if (channelTuples.Count > 0)
{
_livetvManager().AddChannelInfo(channelTuples, options, user);
await _livetvManager().AddChannelInfo(channelTuples, options, user).ConfigureAwait(false);
}
return list;
@ -161,7 +161,8 @@ namespace Emby.Server.Implementations.Dto
if (tvChannel != null)
{
var list = new List<Tuple<BaseItemDto, LiveTvChannel>> { new Tuple<BaseItemDto, LiveTvChannel>(dto, tvChannel) };
_livetvManager().AddChannelInfo(list, options, user);
var task = _livetvManager().AddChannelInfo(list, options, user);
Task.WaitAll(task);
}
else if (item is LiveTvProgram)
{

33
Emby.Server.Implementations/LiveTv/LiveTvManager.cs
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@ -2284,7 +2284,7 @@ namespace Emby.Server.Implementations.LiveTv
};
}
public void AddChannelInfo(List<Tuple<BaseItemDto, LiveTvChannel>> tuples, DtoOptions options, User user)
public async Task AddChannelInfo(List<Tuple<BaseItemDto, LiveTvChannel>> tuples, DtoOptions options, User user)
{
var now = DateTime.UtcNow;
@ -2304,6 +2304,12 @@ namespace Emby.Server.Implementations.LiveTv
RemoveFields(options);
var currentProgramsList = new List<BaseItem>();
var currentChannelsDict = new Dictionary<string, BaseItemDto>();
var addCurrentProgram = options.AddCurrentProgram;
var addMediaSources = options.Fields.Contains(ItemFields.MediaSources);
foreach (var tuple in tuples)
{
var dto = tuple.Item1;
@ -2314,19 +2320,38 @@ namespace Emby.Server.Implementations.LiveTv
dto.ChannelType = channel.ChannelType;
dto.ServiceName = channel.ServiceName;
if (options.Fields.Contains(ItemFields.MediaSources))
currentChannelsDict[dto.Id] = dto;
if (addMediaSources)
{
dto.MediaSources = channel.GetMediaSources(true).ToList();
}
if (options.AddCurrentProgram)
if (addCurrentProgram)
{
var channelIdString = channel.Id.ToString("N");
var currentProgram = programs.FirstOrDefault(i => string.Equals(i.ChannelId, channelIdString));
if (currentProgram != null)
{
dto.CurrentProgram = _dtoService.GetBaseItemDto(currentProgram, options, user);
currentProgramsList.Add(currentProgram);
}
}
}
if (addCurrentProgram)
{
var currentProgramDtos = await _dtoService.GetBaseItemDtos(currentProgramsList, options, user).ConfigureAwait(false);
foreach (var programDto in currentProgramDtos)
{
if (!string.IsNullOrWhiteSpace(programDto.ChannelId))
{
BaseItemDto channelDto;
if (currentChannelsDict.TryGetValue(programDto.ChannelId, out channelDto))
{
channelDto.CurrentProgram = programDto;
}
}
}
}

53
MediaBrowser.Api/SuggestionsService.cs
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@ -12,6 +12,7 @@ using MediaBrowser.Controller.Library;
namespace MediaBrowser.Api
{
[Route("/Users/{UserId}/Suggestions", "GET", Summary = "Gets items based on a query.")]
[Route("/Users/{UserId}/Suggestions", "POST", Summary = "Gets items based on a query.")]
public class GetSuggestedItems : IReturn<QueryResult<BaseItem>>
{
public string MediaType { get; set; }
@ -20,6 +21,7 @@ namespace MediaBrowser.Api
public bool EnableTotalRecordCount { get; set; }
public int? StartIndex { get; set; }
public int? Limit { get; set; }
public string Name { get; set; }
public string[] GetMediaTypes()
{
@ -54,6 +56,13 @@ namespace MediaBrowser.Api
return ToOptimizedResult(result);
}
public async Task<object> Post(GetSuggestedItems request)
{
var result = await GetResultItems(request).ConfigureAwait(false);
return ToOptimizedResult(result);
}
private async Task<QueryResult<BaseItemDto>> GetResultItems(GetSuggestedItems request)
{
var user = !string.IsNullOrWhiteSpace(request.UserId) ? _userManager.GetUserById(request.UserId) : null;
@ -77,7 +86,30 @@ namespace MediaBrowser.Api
private QueryResult<BaseItem> GetItems(GetSuggestedItems request, User user, DtoOptions dtoOptions)
{
var query = new InternalItemsQuery(user)
BaseItem similarToItem = null;
if (!string.IsNullOrWhiteSpace(request.Name))
{
// get item by name, then get similar items from that
similarToItem = _libraryManager.GetItemList(new InternalItemsQuery(user)
{
SortBy = new string[] {ItemSortBy.Random},
MediaTypes = request.GetMediaTypes(),
IncludeItemTypes = request.GetIncludeItemTypes(),
IsVirtualItem = false,
Name = request.Name,
Recursive = true,
Limit = 1
}).FirstOrDefault();
if (similarToItem == null)
{
return new QueryResult<BaseItem>();
}
}
return _libraryManager.GetItemsResult(new InternalItemsQuery(user)
{
SortBy = new string[] { ItemSortBy.Random },
MediaTypes = request.GetMediaTypes(),
@ -85,20 +117,11 @@ namespace MediaBrowser.Api
IsVirtualItem = false,
StartIndex = request.StartIndex,
Limit = request.Limit,
DtoOptions = dtoOptions
};
if (request.EnableTotalRecordCount)
{
return _libraryManager.GetItemsResult(query);
}
var items = _libraryManager.GetItemList(query).ToArray();
return new QueryResult<BaseItem>
{
Items = items
};
DtoOptions = dtoOptions,
EnableTotalRecordCount = request.EnableTotalRecordCount,
Recursive = true,
SimilarTo = similarToItem
});
}
}
}

14
MediaBrowser.Api/TvShowsService.cs
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@ -137,7 +137,7 @@ namespace MediaBrowser.Api
}
[Route("/Shows/{Id}/Episodes", "GET", Summary = "Gets episodes for a tv season")]
[Route("/Shows/Episodes", "GET", Summary = "Gets episodes for a tv season")]
[Route("/Shows/Episodes", "POST", Summary = "Gets episodes for a tv season")]
public class GetEpisodes : IReturn<ItemsResult>, IHasItemFields, IHasDtoOptions
{
/// <summary>
@ -205,7 +205,7 @@ namespace MediaBrowser.Api
}
[Route("/Shows/{Id}/Seasons", "GET", Summary = "Gets seasons for a tv series")]
[Route("/Shows/Seasons", "GET", Summary = "Gets seasons for a tv series")]
[Route("/Shows/Seasons", "POST", Summary = "Gets seasons for a tv series")]
public class GetSeasons : IReturn<ItemsResult>, IHasItemFields, IHasDtoOptions
{
/// <summary>
@ -459,6 +459,16 @@ namespace MediaBrowser.Api
};
}
public Task<object> Post(GetSeasons request)
{
return Get(request);
}
public Task<object> Post(GetEpisodes request)
{
return Get(request);
}
private Series GetSeries(string seriesId, string seriesName, User user)
{
if (!string.IsNullOrWhiteSpace(seriesId))

2
MediaBrowser.Controller/LiveTv/ILiveTvManager.cs
View File

@ -367,7 +367,7 @@ namespace MediaBrowser.Controller.LiveTv
/// <param name="items">The items.</param>
/// <param name="options">The options.</param>
/// <param name="user">The user.</param>
void AddChannelInfo(List<Tuple<BaseItemDto, LiveTvChannel>> items, DtoOptions options, User user);
Task AddChannelInfo(List<Tuple<BaseItemDto, LiveTvChannel>> items, DtoOptions options, User user);
/// <summary>
/// Called when [recording file deleted].

2
SharedVersion.cs
View File

@ -1,3 +1,3 @@
using System.Reflection;
[assembly: AssemblyVersion("3.2.12.6")]
[assembly: AssemblyVersion("3.2.12.7")]