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improve startup time

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This commit is contained in:
Mbucari 2023-07-08 13:53:01 -06:00
parent 9720a573c7
commit 5d5e3a6671
12 changed files with 157 additions and 60 deletions
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37
Source/LibationUiBase/GridView/LibraryBookEntry[TStatus].cs
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@ -1,6 +1,10 @@
using DataLayer;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Threading.Tasks;
using System.Threading;
using System.Linq;
namespace LibationUiBase.GridView
{
@ -29,6 +33,39 @@ namespace LibationUiBase.GridView
LoadCover();
}
public static async Task<List<IGridEntry>> GetAllProductsAsync(IEnumerable<LibraryBook> libraryBooks)
{
var products = libraryBooks.Where(lb => lb.Book.IsProduct()).ToArray();
int parallelism = int.Max(1, Environment.ProcessorCount - 1);
(int numPer, int rem) = int.DivRem(products.Length, parallelism);
if (rem != 0) numPer++;
var tasks = new Task<IGridEntry[]>[parallelism];
var syncContext = SynchronizationContext.Current;
for (int i = 0; i < parallelism; i++)
{
int start = i * numPer;
tasks[i] = Task.Run(() =>
{
SynchronizationContext.SetSynchronizationContext(syncContext);
int length = int.Min(numPer, products.Length - start);
var result = new IGridEntry[length];
for (int j = 0; j < length; j++)
result[j] = new LibraryBookEntry<TStatus>(products[start + j]);
return result;
});
}
return (await Task.WhenAll(tasks)).SelectMany(a => a).ToList();
}
protected override string GetBookTags() => string.Join("\r\n", Book.UserDefinedItem.TagsEnumerated);
}
}

58
Source/LibationUiBase/GridView/SeriesEntry[TStatus].cs
View file

@ -1,7 +1,11 @@
using DataLayer;
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using System.Threading.Channels;
using System.Threading.Tasks;
namespace LibationUiBase.GridView
{
@ -54,6 +58,60 @@ namespace LibationUiBase.GridView
LoadCover();
}
public static async Task<List<ISeriesEntry>> GetAllSeriesEntriesAsync(IEnumerable<LibraryBook> libraryBooks)
{
var seriesBooks = libraryBooks.Where(lb => lb.Book.IsEpisodeParent()).ToArray();
var allEpisodes = libraryBooks.Where(lb => lb.Book.IsEpisodeChild()).ToArray();
int parallelism = int.Max(1, Environment.ProcessorCount - 1);
var tasks = new Task[parallelism];
var syncContext = SynchronizationContext.Current;
var q = new BlockingCollection<(int, LibraryBook episode)>();
var seriesEntries = new ISeriesEntry[seriesBooks.Length];
var seriesEpisodes = new ConcurrentBag<ILibraryBookEntry>[seriesBooks.Length];
for (int i = 0; i < parallelism; i++)
{
tasks[i] = Task.Run(() =>
{
SynchronizationContext.SetSynchronizationContext(syncContext);
while (q.TryTake(out var entry, -1))
{
var parent = seriesEntries[entry.Item1];
var episodeBag = seriesEpisodes[entry.Item1];
episodeBag.Add(new LibraryBookEntry<TStatus>(entry.episode, parent));
}
});
}
for (int i = 0; i <seriesBooks.Length; i++)
{
var series = seriesBooks[i];
seriesEntries[i] = new SeriesEntry<TStatus>(series, Enumerable.Empty<LibraryBook>());
seriesEpisodes[i] = new ConcurrentBag<ILibraryBookEntry>();
foreach (var ep in allEpisodes.FindChildren(series))
q.Add((i, ep));
}
q.CompleteAdding();
await Task.WhenAll(tasks);
for (int i = 0; i < seriesBooks.Length; i++)
{
var series = seriesEntries[i];
series.Children.AddRange(seriesEpisodes[i].OrderByDescending(c => c.SeriesOrder));
series.UpdateLibraryBook(series.LibraryBook);
}
return seriesEntries.Where(s => s.Children.Count != 0).ToList();
}
public void RemoveChild(ILibraryBookEntry lbe)
{
Children.Remove(lbe);